Hans Peter Ravn

Hans Peter Ravn

Associate Professor emeritus

  • Forest and Landscape Ecology

    Rolighedsvej 23

    1958 Frederiksberg C

    Phone: +4535331663Mobile: +4540431863

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  1. Published

    Detecting arthropod intraguild predation in the field

    Aebi, A., Brown, P. M. J., Clercq, P. D., Hautier, L., Howe, A. G., Ingels, B., Ravn, Hans Peter, Sloggett, J. J., Zindel, R. & Thomas, A., 2011, In: BioControl. 56, 4, p. 429-440 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  2. Published

    Andre erfaringer: Troldehøj strandenge ved Jægerspris - mekanisk bekæmpelse af rynket rose

    Andersen, W. R. & Ravn, Hans Peter, 2007, Ikke angivet. Weidema, I., Ravn, H. P., Vestergaard, P., Johnsen, I. & Svart, E. (eds.). Københavns Universitet og Skov- og Naturstyrelsen, p. 61-64 4 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

  3. Published

    Influences of climate variability on cocoa health and productivity in agroforestry systems in Ghana

    Asitoakor, B. K., Asare, R., Ræbild, Anders, Ravn, Hans Peter, Eziah, V. Y., Owusu, K., Mensah, E. O. & Vaast, P., 2022, In: Agricultural and Forest Meteorology. 327, 13 p., 109199.

    Research output: Contribution to journal › Journal article › Research › peer-review

  4. Published

    Selected shade tree species improved cocoa yields in low-input agroforestry systems in Ghana

    Asitoakor, B. K., Vaast, P., Ræbild, Anders, Ravn, Hans Peter, Eziah, V. Y., Owusu, K., Mensah, E. O. & Asare, R., 2022, In: Agricultural Systems. 202, 9 p., 103476.

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. Published

    Denmark

    Bentsen, Niclas Scott, Madsen, P. & Ravn, Hans Peter, 2009, Forest vegetation management in Europe: current practice and future requirements. Willoughby, I., Balandier, P., Bentsen, N. S., McCarthy, N. & Claridge, J. (eds.). COST (European Cooperation in Science and Technology), p. 15-24 10 p. (COST Action; No. E47).

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  6. Published

    Økologiske Juletræer

    Bentsen, Niclas Scott, Christensen, C. J., Jørgensen, F. V., Nielsen, Ulrik Braüner, Theilby, F., Rasmussen, Hanne Nina, Ravn, Hans Peter & Mainz, H., 2001, Landbrugsforlaget. 43 p.

    Research output: Book/Report › Report › Communication

  7. Published

    Økologiske juletræer

    Bentsen, Niclas Scott, Christensen, C. J., Jørgensen, F. V., Nielsen, Ulrik Braüner, Theilby, F., Rasmussen, Hanne Nina, Ravn, Hans Peter & Meinz, H., 2004, 2. udg. ed. Århus: Landbrugsforlaget. 43 p.

    Research output: Book/Report › Book › Communication

  8. Published

    The giant hogweed best practice manual: guidelines for the management and control of invasive weeds in Europe

    Booy, O., Cock, M., Eckstein, L., Hansen, S. O., Hattendorf, J., Hüls, J., Jahodová, S., Krinke, L., Marovoková, L., Müllerová, J., Nentwig, W., Nielsen, C., Otte, A., Pergl, J., Perglová, I., Priekule, I., Pusek, P., Ravn, H. P., Thiele, J., Trybush, S. & 1 others, Wittenberg, R., 2005, Hørsholm: Center for Skov, Landskab og Planlægning/Københavns Universitet. 43 p.

    Research output: Book/Report › Book › Communication

  9. Published

    The Natural Evolutionary Potential of Tree Populations to Cope with Newly Introduced Pests and Pathogens: Lessons Learned From Forest Health Catastrophes in Recent Decades

    Budde, K. B., Nielsen, Lene Rostgaard, Ravn, Hans Peter & Kjær, Erik Dahl, 2016, In: Current Forestry Reports. 2, 1, p. 18-29

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. Published

    Stævnings- og græsningsdrift i egekrat: effekt på vegeation og skovudvikling

    Buttenschøn, Rita M. & Ravn, Hans Peter, 2004, Ikke angivet. Claus Jerram Christensen, N. E. K. (ed.). Center for Skov, Landskab og Planlægning/Københavns Universitet, p. 114-115 2 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

  11. Published

    Sheep grazing by contractors: a tool in the control of Giant Hogweek (Heracleum mantegazzianum) in Denmark

    Buttenschøn, Rita M., Nielsen, C. & Ravn, Hans Peter, 2005, The ecology and management of the giant alien Heracleum mantegazzianum. Thiele, Eckstein & Otte (eds.). Justus-Liebig-Univeristy, p. 43 1 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

  12. Published

    Bynke-ambrosie

    Buttenschøn, Rita M., Holst, N. & Ravn, Hans Peter, 2011, In: Videnblade Skov og Natur. 4.10-3, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  13. Published

    Bynke-ambrosie

    Buttenschøn, Rita M., Holst, N. & Ravn, Hans Peter, 2010, In: Videnblade Park og Landskab. 6.0-26, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  14. Published

    Lindebladhvepsen Caliroa annulipes

    Bühler, Oliver & Ravn, Hans Peter, 2009, In: Videnblade Park og Landskab. 5.28-16, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  15. Published

    Skadedyr på platan

    Bühler, Oliver & Ravn, Hans Peter, 2006, In: Videnblade Park og Landskab. 5.28-8, p. 1-2 2 p.

    Research output: Contribution to journal › Journal article › Communication

  16. Published

    Platan trues af nye farer

    Bühler, Oliver, Thomsen, Iben Margrete & Ravn, Hans Peter, 2006, In: Groent Miljoe. 24, 6, p. 8 1 p.

    Research output: Contribution to journal › Journal article › Communication

  17. Published

    Egens sundhedsproblemer på grundvandsnære jorde

    Callesen, Ingeborg, Jørgensen, Bruno Bilde, Fischer, Lene, Larsen, H. M. E., Ravn, Hans Peter, Susgaard Filsø, S., Bjerager, Per Eduard Robert & Thomsen, Iben Margrete, 2017, Frederiksberg. 90 p. (IGN Rapport).

    Research output: Book/Report › Report › Research

  18. Published

    Biodiversitet og grønne byer: et eksempelkatalog

    Caspersen, Ole H. (ed.), Ravn, Hans Peter (ed.), Jensen, Marina Bergen (ed.), Nielsen, J. K. (ed.) & Jørgensen, Gertrud (ed.), 2013, Miljøministeriet, Skov- og Naturstyrelsen. 76 p.

    Research output: Book/Report › Report › Commissioned

  19. Published

    International juletræskonference i Michigan, USA

    Christensen, C. J., Østergaard, K., Thomsen, Iben Margrete, Pedersen, L. B., Nielsen, Ulrik Braüner & Ravn, Hans Peter, 2006, In: Nåledrys. 55, p. 14-16 3 p.

    Research output: Contribution to journal › Journal article › Communication

  20. Published

    How forest management affects ecosystem services, including timber production and economic return: synergies and trade-offs

    Duncker, P. S., Raulund-Rasmussen, Karsten, Gundersen, Per, Katzensteiner, K., Jong, J. D., Ravn, Hans Peter, Smith, M., Eckmüllner, O. & Spiecker, H., 2012, In: Ecology and Society. 17, 4, 17 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  21. Published

    Vi må redde bierne - mens tid er

    Dupont, Y. L., Madsen, H. B., Rasmussen, C., Hansted, L., Kryger, P., Ravn, H. P., Schmidt, I. K., Olesen, J. M., Holm, E., Langer, V., Sigsgaard, L., Eilenberg, J., Skov, C., Lassen, K., Ahrenfeldt, E. J., Calabuig, I., Holst, N., Boelt, B., Jensen, A. B., Lecocq, A. & 2 others, Howe, A. G. & Termansen, Mette, 24 Aug 2019, In: Politiken. p. 5-6

    Research output: Contribution to journal › Contribution to newspaper - Feature article › Communication

  22. Published

    En fælles front for alle bier

    Dupont, Y. L., Madsen, H. B., Rasmussen, C., Hansted, L., Kryger, P., Ravn, H. P., Schmidt, I. K., Olesen, J. M., Holm, E., Langer, V., Sigsgaard, L., Eilenberg, J., Skov, C., Lassen, K., Ahrenfeldt, E. J., Calabuig, I., Holst, N., Boelt, B., Jensen, A. B., Lecocq, A. & 2 others, Howe, A. G. & Termansen, Mette, 2019, In: Aktuel Naturvidenskab. 2019, 4, p. 2

    Research output: Contribution to journal › Comment/debate › Research

  23. Published

    The future of biological control: gaps, challenges and options

    Eilenberg, Jørgen, Enkegaard, A., Hendriksen, N. B., Jensen, Dan Funck, Jespersen, J. B., Larsen, J., Madsen, A. M., Ravn, Hans Peter & Ravnskov, S., 2006, Proceedings of the international workshop. p. 265-268 4 p. (DIAS report; No. 119).

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

  24. Published

    The future of biological control: gaps, challenges, and options

    Eilenberg, Jørgen, Enkegaard, A., Hendriksen, N. B., Jensen, Dan Funck, Jespersen, J. B., Larsen, J., Madsen, A. M., Ravn, Hans Peter & Ravnskov, S., 2005. 3 p.

    Research output: Contribution to conference › Conference abstract for conference › Research

  25. Published

    Feromonfælder til agerugler: havebrug

    Esbjerg, Peter, Ravn, Hans Peter & Percy-Smith, A., 1996, In: Groen Viden, Havebrug. 96, p. 2-8 7 p.

    Research output: Contribution to journal › Journal article › Communication

  26. Published

    Spatial spread and infestation risk assessment in the Asian longhorned beetle, Anoplophora glabripennis

    Favaro, R., Wichmann, L., Ravn, Hans Peter & Faccoli, M., 2015, In: Entomologia Experimentalis et Applicata. 155, 2, p. 95–101

    Research output: Contribution to journal › Journal article › Research › peer-review

  27. Published

    Climate, host and geography shape insect and fungal communities of trees

    Franić, I., Allan, E., Prospero, S., Adamson, K., Attorre, F., Auger-Rozenberg, M. A., Augustin, S., Avtzis, D., Baert, W., Barta, M., Bauters, K., Bellahirech, A., Boroń, P., Bragança, H., Brestovanská, T., Brurberg, M. B., Burgess, T., Burokienė, D., Cleary, M., Corley, J. & 63 others, Coyle, D. R., Csóka, G., Černý, K., Davydenko, K., de Groot, M., Diez, J. J., Doğmuş Lehtijärvi, H. T., Drenkhan, R., Edwards, J., Elsafy, M., Eötvös, C. B., Falko, R., Fan, J., Feddern, N., Fürjes-Mikó, Á., Gossner, M. M., Grad, B., Hartmann, M., Havrdova, L., Kádasi Horáková, M., Hrabětová, M., Justesen, Mathias Just, Kacprzyk, M., Kenis, M., Kirichenko, N., Kovač, M., Kramarets, V., Lacković, N., Lantschner, M. V., Lazarević, J., Leskiv, M., Li, H., Madsen, C. L., Malumphy, C., Matošević, D., Matsiakh, I., May, T. W., Meffert, J., Migliorini, D., Nikolov, C., O’Hanlon, R., Oskay, F., Paap, T., Parpan, T., Piškur, B., Ravn, Hans Peter, Richard, J., Ronse, A., Roques, A., Ruffner, B., Santini, A., Sivickis, K., Soliani, C., Talgø, V., Tomoshevich, M., Uimari, A., Ulyshen, M., Vettraino, A. M., Villari, C., Wang, Y., Witzell, J., Zlatković, M. & Eschen, R., 2023, In: Scientific Reports. 13, 13 p., 11570.

    Research output: Contribution to journal › Journal article › Research › peer-review

  28. Published

    Worldwide diversity of endophytic fungi and insects associated with dormant tree twigs

    Franić, I., Prospero, S., Adamson, K., Allan, E., Attorre, F., Auger-Rozenberg, M. A., Augustin, S., Avtzis, D., Baert, W., Barta, M., Bauters, K., Bellahirech, A., Boroń, P., Bragança, H., Brestovanská, T., Brurberg, M. B., Burgess, T., Burokienė, D., Cleary, M., Corley, J. & 62 others, Coyle, D. R., Csóka, G., Černý, K., Davydenko, K., de Groot, M., Diez, J. J., Doğmuş Lehtijärvi, H. T., Drenkhan, R., Edwards, J., Elsafy, M., Eötvös, C. B., Falko, R., Fan, J., Feddern, N., Fürjes-Mikó, Á., Gossner, M. M., Grad, B., Hartmann, M., Havrdova, L., Horáková, M. K., Hrabětová, M., Justesen, Mathias Just, Kacprzyk, M., Kenis, M., Kirichenko, N., Kovač, M., Kramarets, V., Lacković, N., Lantschner, M. V., Lazarević, J., Leskiv, M., Li, H., Madsen, C. L., Malumphy, C., Matošević, D., Matsiakh, I., May, T. W., Meffert, J., Migliorini, D., Nikolov, C., O’Hanlon, R., Oskay, F., Paap, T., Parpan, T., Piškur, B., Ravn, Hans Peter, Richard, J., Ronse, A., Roques, A., Ruffner, B., Sivickis, K., Soliani, C., Talgø, V., Tomoshevich, M., Uimari, A., Ulyshen, M., Vettraino, A. M., Villari, C., Wang, Y., Witzell, J., Zlatković, M. & Eschen, R., 2022, In: Scientific Data. 9, 1, 9 p., 62.

    Research output: Contribution to journal › Journal article › Research › peer-review

  29. Published

    Identification and evaluation of pathways to Denmark for the 49 invasive alien species of union concern under EU regulation 1143/2014

    Grousset, F. O. C., Johannsen, VK & Ravn, Hans Peter, 2018, Frederiksberg: Department of Geosciences and Natural Resource Management, University of Copenhagen. 72 p. (IGN Report).

    Research output: Book/Report › Report › Commissioned

  30. Published

    Sitkabladlus, klimaændringer og sitkadyrkning i Danmark

    Hansen, Jon Kehlet, Harding, S., Jensen, V. & Ravn, Hans Peter, 2012, In: Skoven. 44, 2, p. 90-94 5 p.

    Research output: Contribution to journal › Journal article › Research

  31. Published

    Betydning af forskelle i resistens mod sitkabladlus

    Hansen, Jon Kehlet, Harding, S., Ravn, Hans Peter, Jensen, V. & Thomsen, Iben Margrete, 2011, In: Videnblade Skov og Natur. 8.10-15, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  32. Published

    Within- and between-stand distribution of attacks by pine weevil (Hylobius abietis (L.))

    Hansen, L. W., Ravn, Hans Peter & Geldmann, Jonas, 2005, In: Scandinavian Journal of Forest Research. 20, 2, p. 122-129 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  33. Published

    Introducerede Abies-arter - polske erfaringer: videnblade

    Hansen, O. K. & Ravn, Hans Peter, 2004, In: Pyntegrønt. (3.4-19), 2 p.

    Research output: Contribution to journal › Journal article › Communication

  34. Published

    Introducerede Abies-arter - polske erfaringer: videnblade

    Hansen, O. K. & Ravn, Hans Peter, 2004, In: Pyntegrønt. (3.4-18), 2 p.

    Research output: Contribution to journal › Journal article › Communication

  35. Published

    Polske erfaringer i forbindelse med forskning i alternative juletræsarter

    Hansen, Ole Kim, Ravn, Hans Peter & Matkowski, A., 2001, Skov & Landskab, Københavns Universitet, 16 p.

    Research output: Working paper › Research

  36. Published

    Det forskes der i på Skov & Landskab

    Hansen, Ole Kim, Pedersen, L. B., Rasmussen, Hanne Nina, Ravn, Hans Peter & Theilby, F., 2006, In: Nåledrys. 58, p. 28-32 5 p.

    Research output: Contribution to journal › Journal article › Communication

  37. Published

    Phytophagous insects of giant hogweed Heracleum mantegazzianum (Apiaceae) in invaded areas of Europe and in its native area of the Caucasus

    Hansen, S. O., Hattendorf, J., Wittenberg, R., Reznik, S. Y., Nielsen, C., Ravn, Hans Peter & Nentwig, W., 2006, In: European Journal of Entomology. 103, p. 387-396 10 p.

    Research output: Contribution to journal › Journal article › Research

  38. Published

    Nåletræspindemide Oligonychus ununguis Jac.

    Harding, S. & Ravn, Hans Peter, 2003, In: Skov & Landskab. 5.5-2, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  39. Published

    Skovbrugets skadedyr 1997

    Harding, S. & Ravn, Hans Peter, 1998, In: Skoven. 4, p. 165-167 3 p.

    Research output: Contribution to journal › Journal article › Communication

  40. Published

    Skovbrugets skadedyr 1998

    Harding, S. & Ravn, Hans Peter, 1999, In: Skoven. 4, p. 169-172 4 p.

    Research output: Contribution to journal › Journal article › Communication

  41. Published

    Biologisk bekæmpelse af viklere i ædelgran: rapport over PAF-projekt 2000-0010

    Harding, S., Ravn, Hans Peter & Munk Hansen, B., 2001, 23 p.

    Research output: Book/Report › Book › Education

  42. Published

    Seasonal activity of Ips typographus L. (Col., Scolytidae) in Denmark

    Harding, S. & Ravn, Hans Peter, 1985, In: ZEITSCHRIFT FUR ANGEWANDTE ENTOMOLOGIE-JOURNAL OF APPLIED ENTOMOLOGY. 99, 2, p. 123-131

    Research output: Contribution to journal › Journal article › Research › peer-review

  43. Published

    Koglehalvmøl: et lejlighedsvist skadedyr i frøproduktionen

    Harding, S. & Ravn, Hans Peter, 2007, In: Videnblade Pyntegrønt. 5.5-27, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  44. Published

    Sitkabladlus i gran

    Harding, S., Roulund, H. & Ravn, Hans Peter, 2007, In: Videnblade Skovbrug. 8.10-3, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  45. Published

    Sitkabladlus i gran

    Harding, S., Roulund, H. & Ravn, Hans Peter, 2007, In: Videnblade Park og Landskab. 5.28-10, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  46. Published

    Does the invasive Harlequin ladybird Harmonia axyridis actually consume aphids? molecular detection of trophic interactions following an invasion

    Howe, A. & Ravn, Hans Peter, 2010. 1 p.

    Research output: Contribution to conference › Poster › Research

  47. Published

    Trophic interaction among Aphidophages in Europe: The case of the invasive ladybird Harmonia axyridis and the flower bug Anthocordis nemoralis

    Howe, A., Aebi, A. & Ravn, Hans Peter, 2010, International Symposium Ecology of Aphidophaga 11, Perugia 19-24 September 2010. p. 128 1 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research › peer-review

  48. Published

    A sublethal effect on native Anthocoris nemoralis through competitive interactions with invasive Harmonia axyridis

    Howe, A. G., Ransijn, J. & Ravn, Hans Peter, 2015, In: Ecological Entomology. 40, 5, p. 639–649

    Research output: Contribution to journal › Journal article › Research › peer-review

  49. Published

    Investigation of trophic interactions between Harmonia axyridis (Coleoptera: Coccinellidae) and Anthocoris nemoralis (Heteroptera: Anthocoridae) associated with Tilia x europaea in a post-invasion cityscape

    Howe, A. G., Aebi, A. & Ravn, Hans Peter, 2013. 2 p.

    Research output: Contribution to conference › Conference abstract for conference › Research

  50. Published

    Potential for exploitative competition, not intraguild predation, between invasive harlequin ladybirds and flowerbugs in urban parks

    Howe, A. G., Ravn, Hans Peter, Pipper, C. B. & Aebi, A., 2016, In: Biological Invasions. 16, 2, p. 517-532 16 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  51. Published

    Evigglad invasion og følger for biodiversitet i Kbhs grønne områder: Poster presentation

    Howe, A. G. & Ravn, Hans Peter, 2015.

    Research output: Contribution to conference › Poster › Research

  52. Published

    Trophic interactions among aphidophages in Europe: the case of the invasive ladybird Harmonia axyridis and the flower bug Anthocoris nemoralis

    Howe, A. G., Aebi, A. & Ravn, Hans Peter, 2010. 1 p.

    Research output: Contribution to conference › Poster › Research

  53. Published

    Spatial and taxonomical overlap of fungi on phylloplanes and invasive alien ladybirds with fungal infections in tree crowns of urban green spaces

    Howe, A. G., Ravn, Hans Peter, Jensen, Annette Bruun & Meyling, Nicolai Vitt, Sep 2016, In: F E M S Microbiology Ecology. 92, 9, 11 p., fiw143.

    Research output: Contribution to journal › Journal article › Research › peer-review

  54. Published

    Seven Recommendations to Make Your Invasive Alien Species Data More Useful

    J. Groom, Q., Adriaens, T., Desmet, P., Simpson, A., De Wever, A., Bazos, I., Cardoso, A. C., Charles, L., Christopoulou, A., Gazda, A., Helmisaari, H., Hobern, D., Josefsson, M., Lucy, F., Marisavljevic, D., Oszako, T., Pergl, J., Petrovic-Obradovic, O., Prévot, C., Ravn, H. P. & 10 others, Richards, G., Roques, A., E. Roy, H., A. Rozenberg, M., Scalera, R., Tricarico, E., Trichkova, T., Vercayie, D., Zenetos, A. & Vanderhoeven, S., 2017, In: Frontiers in Applied Mathematics and Statistics. 3, 8 p., 13.

    Research output: Contribution to journal › Journal article › Research › peer-review

  55. Published

    The influence of small urban parks characteristics on bird diversity: A case study of Petaling Jaya, Malaysia

    Jasmani, Z., Ravn, Hans Peter & van den Bosch, C. C. K., 2017, In: Urban Ecosystems. 20, 1, p. 227-243 17 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  56. Published

    Introducing a Method for Social-ecological Assessment of Small Urban Parks

    Jasmani, Z., Ravn, Hans Peter & Konijnendijk van den Bosch, C. C., 2016, In: Environment-Behaviour Proceedongs Journal. 1, 2, p. 123-131 9 p.

    Research output: Contribution to journal › Conference article › Research › peer-review

  57. Published

    Vedr. vurdering af tørkens indflydelse på skovbruget: Sagsnotat

    Johannsen, VK, Larsen, Jørgen Bo, Thomsen, Iben Margrete, Callesen, Ingeborg, Jørgensen, Bruno Bilde, Nord-Larsen, Thomas, Ravn, Hans Peter, Nielsen, Ulrik Braüner & Skov, Simon, Aug 2018, 6 p.. Jan 17, 2019.

    Research output: Memorandum/exposition › Memorandum

  58. Published

    Evaluation of Leucopis hennigrata (Diptera: Chamaemyiidae) as a classical biological control agent of Adelges nordmannianae (Hemiptera: Adelgidae) in northern Europe

    Justesen, Mathias Just, Seehausen, M. L., Havill, N. P., Kenis, M., Gaimari, S. D., Matchutadze, I., Zembrzuski, D. & Ravn, Hans Peter, 2023, In: Biological Control. 183, 16 p., 105264.

    Research output: Contribution to journal › Journal article › Research › peer-review

  59. Published

    Contributions to the knowledge on biology and phenology of Cryphalus piceae (Coleoptera: Curculionidae: Scolytinae)

    Justesen, Mathias Just, Hansen, A. K., Thomsen, Iben Margrete, Byriel, David Bille, Ro-Poulsen, Hjalte Calberg & Ravn, Hans Peter, 2020, In: Scandinavian Journal of Forest Research. 35, 8, p. 468-475 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  60. Published

    Nye og gamle trusler mod nobilis

    Justesen, Mathias Just, Hansen, A. K., Thomsen, Iben Margrete & Ravn, Hans Peter, 2017, In: Nåledrys. 99, p. 36-40 5 p.

    Research output: Contribution to journal › Journal article › Communication

  61. Published

    Taxonomic reappraisal of the European fauna of the bark beetle genus Cryphalus (Coleoptera, Curculionidae, Scolytinae)

    Justesen, Mathias Just, Hansen, A. K., Knížek, M., Lindelow, Å., Solodovnikov, Alexey & Ravn, Hans Peter, 2023, In: ZooKeys. 1179, p. 63-105 43 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  62. Published

    Modelling the potential impact of global warming on Ips typographus voltinism and reproductive diapause

    Jönsson, A. M., Harding, S., Krokene, P., Lange, H., Lindelöw, Å., Økland, B., Ravn, Hans Peter & Schroeder, L. M., 2011, In: Climatic Change. 109, 3-4, p. 695-718 24 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  63. Published

    Impact of climate change on the population dynamics of Ips typographus in southern Sweden

    Jönsson, A. M., Harding, S., Bjärring, L. & Ravn, Hans Peter, 2007, In: Agricultural and Forest Meteorology. 146, 1-2, p. 70-81 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  64. Published

    Mulighederne for biologisk bekæmpelse af alm. ædelgranlus i Danmark - udredningsprojekt

    Kennis, M. & Ravn, Hans Peter, 2006, 10 p.

    Research output: Book/Report › Report › Research

  65. Published

    Center for invasive arter

    Kollmann, J. & Ravn, Hans Peter, 2008, In: URT. 32, 3, p. 96-99 4 p.

    Research output: Contribution to journal › Journal article › Communication

  66. Published

    6th NEOBIOTA conference: biological invasion in a changing world from science to management, 2010

    Kollmann, J. C., van Mölken, T. & Ravn, Hans Peter, 2010, Department of Agriculture and Ecology, University of Copenhagen. 283 p.

    Research output: Book/Report › Book › Research › peer-review

  67. Published

    Sygdomme og skadedyr på kirkegårdens træer

    Kristoffersen, P., Thomsen, Iben Margrete, Ravn, Hans Peter & Tvedt, Tilde, 2012, In: Videnblade Park og Landskab. 5.1-21, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  68. Published

    Bekæmpelse af gåsebillelarver i plænegræs: forsøg på Give Golfbane 2003

    Larsen, S. U., Ravn, Hans Peter, Vestergaard, S., Philipsen, H., Eilenberg, Jørgen & Mortensen, B., 2004, 10 p.

    Research output: Book/Report › Book › Education

  69. Published

    Bekæmpelse af gåsebillelarver: forsøg med bekæmpelsesmetoder på golfbaner viser at et ikke godkendt insekticid er effektivt, mens biologiske midler har mindre virkning

    Larsen, S. U., Ravn, Hans Peter, Vestergaard, S., Philipsen, H., Eilenberg, Jørgen & Mortensen, B., 2004, In: Groent Miljoe. 7, p. 34-36 3 p.

    Research output: Contribution to journal › Journal article › Communication

  70. Published

    Gåsebillelarver i plænen: forsøg med bekæmpelsesmetoder på golfbaner

    Larsen, S. U., Ravn, Hans Peter, Vestergaard, S., Philipsen, H., Eilenberg, Jørgen & Mortensen, B., 2004, In: Greenkeeperen. 2, p. 18-21 4 p.

    Research output: Contribution to journal › Journal article › Communication

  71. Published

    Gåsebillelarver i plænegræs: resultater af forsøg med bekæmpelse i 2005

    Larsen, S. U. & Ravn, Hans Peter, 2005, In: Videnblade Park og Landskab. 5.28-7, p. 1-2 2 p.

    Research output: Contribution to journal › Journal article › Communication

  72. Published

    CO2 til bekæmpelse af insekter i eksporttræ

    Lisborg, T., Bergstedt, A., Ravn, Hans Peter & Stenderup, R., 2004, Ikke angivet. Claus Jerram Christensen, N. E. K. (ed.). Center for Skov, Landskab og Planlægning/Københavns Universitet, p. 112 1 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

  73. Published

    Pesticidfri desinfektion af bark- og vedlevende insekter i råtræ til eksport: Skov- og Naturstyrelsens Produktudviklingsordning for Skovbruget og Træindustrien

    Lisborg, T. D., Bergsted, A., Poll, F., Stenderup, R. & Ravn, Hans Peter, 2004, 10 p.

    Research output: Book/Report › Book › Education

  74. Published

    Hvorfor de alternative bekæmpelsesmidler mod alm. ædelgranlus gav svidninger i 2003

    Lisborg, T., Ravn, Hans Peter & Veierskov, Bjarke, 2006, In: Nåledrys. 55, p. 18-22 5 p.

    Research output: Contribution to journal › Journal article › Research

  75. Published

    Dokumentation af effekten af alternative bekæmpelsesmidler på alm. ædelgranlus og nordmannsgran

    Lisborg, T. & Ravn, Hans Peter, 2005, Produktionsafgiftsfonden for juletræer og pyntegrønt: J.nr. 2003-0020. p. 1-39 39 p.

    Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research

  76. Published

    Skader på nordmannsgran nåle - ved bekæmpelse af alm. ædelgranlus

    Lisborg, T. & Ravn, Hans Peter, 2006, In: Videnblade Pyntegrønt. 5.5-23, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  77. Published

    Fangstbaljer til reduktion af af musegnav?

    Lodal, J., Theilby, F. & Ravn, Hans Peter, 2013, In: Skoven. 5, p. 234-237 4 p.

    Research output: Contribution to journal › Journal article › Communication

  78. Published

    Patterns in ground beetle (Coleoptera: Carabidae) assemblages in single-row hedgerows in a Danish agricultural landscape.

    Löwei, G. L., Magura, T., Sigsgaard, L & Ravn, Hans Peter, 2003. 12 p.

    Research output: Contribution to conference › Paper › Research

  79. Published

    Pathways for non-native species in Denmark

    Madsen, C. L., Dahl, C. M., Thirslund, K. B., Grousset, F., Johannsen, VK & Ravn, Hans Peter, 2014, Frederiksberg: Institut for Geovidenskab og Naturforvaltning, Københavns Universitet. 131 p.

    Research output: Book/Report › Report › Research

  80. Published

    Climate drivers of bark beetle outbreak dynamics in Norway spruce forests

    Marini, L., Økland, B., Jönsson, A. M., Bentz, B., Carroll, A., Forster, B., Grégoire, J., Hurling, R., Michel Nageleisen, L., Netherer, S., Ravn, Hans Peter, Weed, A. & Schrøder, M., 2017, In: Ecography. 40, 12, p. 1426-1435 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  81. Published

    Antennal sensilla of the click beetle, Limonius aeruginosus (Olivier) (Coleoptera: Elateridae)

    Merivee, E., Rahi, M., Bresciani, J., Ravn, Hans Peter & Luik, A., 1998, In: Arthropod Structure & Development. 27, 4, p. 311-318 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  82. Published

    Exploring structural habitat heterogeneity in sustainable urban drainage systems (SUDS) for urban biodiversity support

    Monberg, R. J., Howe, A. G., Ravn, Hans Peter & Jensen, Marina Bergen, 2018, In: Urban Ecosystems. 21, 6, p. 1159-1170 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  83. Published

    Vegetation development in a stormwater management system designed to enhance ecological qualities

    Monberg, R. J., Howe, A. G., Kepfer Rojas, Sebastian, Ravn, Hans Peter & Jensen, Marina Bergen, 2019, In: Urban Forestry & Urban Greening. 46, 14 p., 126463.

    Research output: Contribution to journal › Journal article › Research › peer-review

  84. Published

    Kæmpe-bjørneklos naturlige fjender: potentielle organismer til bekæmpelse?

    Nielsen, C., Voogd, W. B. D., Ravn, Hans Peter & Jon, M. D. D., 2004, In: URT. 28, 3, p. 79-82 4 p.

    Research output: Contribution to journal › Journal article › Communication

  85. Published

    Tre dage i Augsburg med træer

    Nielsen, C. C. N., Bühler, Oliver, Ravn, Hans Peter, Ingerslev, Morten, Schröder, K. & Hilbert, J., 2014, In: Grønt Miljø. p. 10-14 5 p.

    Research output: Contribution to journal › Journal article › Communication

  86. Published

    Phytophagous insects associated with Giant Hogweed: potential for biological control in Europe?

    Nielsen, C. & Ravn, Hans Peter, 2005. 1 p.

    Research output: Contribution to conference › Conference abstract for conference › Research

  87. Published

    Kæmpe-Bjørneklo: forebyggelse og bekæmpelse

    Nielsen, C., Ravn, Hans Peter, Nentwig, W. & Wade, M., 2005, Skov & Landskab, Københavns Universitet. 44 p. (Hæfter).

    Research output: Book/Report › Report › Communication

  88. Published

    Gråsnuder i juletræer og klippegrønt

    Nielsen, C. & Ravn, Hans Peter, 2006, 15 p.

    Research output: Book/Report › Report › Research

  89. Published

    Ny håndbog om bekæmpelse af kæmpe-bjørneklo

    Nielsen, C. & Ravn, Hans Peter, 2005, In: Planteforskning.dk. p. 1-3 3 p.

    Research output: Contribution to journal › Journal article › Communication

  90. Published

    Ulden ædelgranlus - lejlighedsvist skadedyr i nordmannsgran

    Nielsen, C., Harding, S. & Ravn, Hans Peter, 2006, In: Videnblade Pyntegrønt. 5.5-24, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  91. Published

    Phytophagous insects associated with Giant Hogweed in Denmark

    Nielsen, C. & Ravn, Hans Peter, 2005. 1 p.

    Research output: Contribution to conference › Poster › Research

  92. Published

    Naturlig bekæmpelse af kæmpe-bjørneklo

    Nielsen, C., Ravn, Hans Peter & Buttenschøn, Rita M., 2005, In: Fagbladet KomPosten. 1, p. 16-17 2 p.

    Research output: Contribution to journal › Journal article › Communication

  93. Published

    Udbredelse og skadebedømmelse af gråsnuder i juletræer og klippegrønt

    Nielsen, C. & Ravn, Hans Peter, 2008, In: Videnblade Pyntegrønt. 5.5-3, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  94. Published

    Kæmpe-bjørneklo og dens forvekslingsmuligheder

    Nielsen, C. & Ravn, Hans Peter, 2006, In: Videnblade Park og Landskab. 6.0-21, p. 1-2 2 p.

    Research output: Contribution to journal › Journal article › Communication

  95. Published

    Forsøg med bekæmpelse af gråsnuder i juletræer og klippegrønt

    Nielsen, C. D., Ravn, Hans Peter & Nielsen, C., 2008, In: Videnblade Pyntegrønt. 5.5-29, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  96. Published

    Stor nåletræsnudebille: - Biologi, modforholdsregler og strategi

    Pedersen, A. F. & Ravn, Hans Peter, 2000, Skov & Landskab, Københavns Universitet. 49 p. (Skovbrugsserien; No. 26).

    Research output: Book/Report › Report › Research

  97. Published

    Traditionel ukrudtssprøjtning og alternative behandlingsstrategier

    Pedersen, L. B., Riis-Nielsen, Torben, Ravn, Hans Peter & Christensen, C. J., 2002, Skov & Landskab, Københavns Universitet. 66 p. (Pyntegrøntserien; No. 18).

    Research output: Book/Report › Report › Research

  98. Temperature dependent winter survival of Bembidion lampros and Tachyporus hypnorum

    Petersen, M., Ekbom, B. & Ravn, Hans Peter, 1996, In: Journal of Insect Physiology. 42, 11-12, p. 997-1005

    Research output: Contribution to journal › Journal article › Research › peer-review

  99. Published

    Biotic threats for 23 major non-native tree species in Europe

    Poetzelsberger, E., Gossner, M. M., Beenken, L., Gazda, A., Petr, M., Ylioja, T., La Porta, N., Avtzis, D. N., Bay, E., De Groot, M., Drenkhan, R., Duduman, M-L., Enderle, R., Georgieva, M., Hietala, A. M., Hoppe, B., Jactel, H., Jarni, K., Keren, S., Keseru, Z. & 26 others, Koprowski, M., Kormutak, A., Lombardero, M. J., Lukjanova, A., Marozas, V., Mauri, E., Monteverdi, M. C., Nygaard, P. H., Ogris, N., Olenici, N., Orazio, C., Perny, B., Pinto, G., Power, M., Puchalka, R., Ravn, Hans Peter, Sevillano, I., Stroheker, S., Taylor, P., Tsopelas, P., Urban, J., Voolma, K., Westergren, M., Witzell, J., Zborovska, O. & Zlatkovic, M., 2021, In: Scientific Data. 8, 1, 8 p., 210.

    Research output: Contribution to journal › Journal article › Research › peer-review

  100. Published

    Ecology and management of giant hogweed (Heracleum mantegazzianum)

    Pysek, P., Cock, M. J. W., Nentwig, W. & Ravn, Hans Peter, 2007, Wallingford: CABI Publishing. 324 p.

    Research output: Book/Report › Book › Research › peer-review

  101. Published

    Master of all traits: can we successfully fight giant hogweed

    Pysek, P., Cock, M. J. W., Nentwig, W. & Ravn, Hans Peter, 2007, Ecology and management of giant hogweed (Heracleum mantegazzianum). Pysek, P., Cock, M. J. W., Nentwig, W. & Ravn, H. P. (eds.). CABI, p. 297-312 16 p.

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  102. Published

    SFM - research strategy: Krtiny, Brno, Tcheck Republic

    Raulund-Rasmussen, Karsten, Gundersen, Per, Hansen, K., Vesterdal, Lars, Callesen, Ingeborg, Ritter, E., Schmidt, Inger Kappel & Ravn, Hans Peter, 2005, Hørsholm

    Research output: Other contribution › Communication

  103. Published

    Insektbekæmpelse uden kemi?

    Ravn, Hans Peter & Harding, S., 2003. 8 p.

    Research output: Contribution to conference › Paper › Research

  104. Published

    Galmider på juletræer

    Ravn, Hans Peter, Harding, S. & Matkowski, A., 1997, In: Videnblade Pyntegrønt. 5.5-5, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  105. Published

    Kastanie-minérmøl: videnblade

    Ravn, Hans Peter, Harding, S., Karsholt, O. & Kristoffersen, P., 2004, In: Park- og Landskab. Nr. 5.28-6, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  106. Published

    Fænologi og biologisk bekæmpelse af koglehalvmøllet (Dioryctria abietella)

    Ravn, Hans Peter & Harding, S., 2000. 2 p.

    Research output: Contribution to conference › Paper › Research

  107. Published

    Angreb afstribet vedborer

    Ravn, Hans Peter & Thomsen, Iben Margrete, 2004, In: Skoven. 36, 3, p. 134-137 4 p.

    Research output: Contribution to journal › Journal article › Communication

  108. Published

    Galmider på juletræer. videnblade

    Ravn, Hans Peter, Harding, S. & Matkowski, A., 2004, In: Pyntegrønt. (5.5-5), 2 p.

    Research output: Contribution to journal › Journal article › Communication

  109. Published

    Stormfald og insektproblemer

    Ravn, Hans Peter & Harding, S., 2000, In: Skoven. 1, p. 46-50 5 p.

    Research output: Contribution to journal › Journal article › Communication

  110. Published

    Afløvning af løvtræer

    Ravn, Hans Peter & Harding, S., 1997, In: Skoven Nyt. 6-7 A, p. 4 1 p.

    Research output: Contribution to journal › Journal article › Communication

  111. Published

    Bekæmpelse af galmider i juletræer: en orientering om foreløbige resultater

    Ravn, Hans Peter, Harding, S. & Matkowski, A., 1999, In: PS Nåledrys. 30, p. 36-39 4 p.

    Research output: Contribution to journal › Journal article › Communication

  112. Published

    Galmider på juletræer.

    Ravn, Hans Peter, Harding, S. & Matkowski, A., 2004, In: Skov & Landskab. videnblade 5.5-5, p. n/a 2 p.

    Research output: Contribution to journal › Journal article › Communication

  113. Published

    Fyrrens nåleskedegalmyg.

    Ravn, Hans Peter, Harding, S. & Thomsen, Iben Margrete, 2003, In: Videnblade Pyntegrønt. 5.5-20, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  114. Published

    Dyrkningsforholdenes indflydelse på faunaen i nåleskoven

    Ravn, Hans Peter, 2004, In: Flora og Fauna. 110, 3, p. 109-111 3 p.

    Research output: Contribution to journal › Journal article › Communication

  115. Published

    Gåsebiller på græsplæner: kemi virker ikke

    Ravn, Hans Peter & Philipsen, H., 2001, In: Groent Miljoe. 3, p. 34-35 2 p.

    Research output: Contribution to journal › Journal article › Communication

  116. Published

    Skovbrugets skadedyr 1999

    Ravn, Hans Peter & Harding, S., 2000, In: Skoven. 5, p. 234-237 4 p.

    Research output: Contribution to journal › Journal article › Communication

  117. Published

    Nyttedyr i juletræskulturen: videnblade

    Ravn, Hans Peter, Nielsen, C. & Lisborg, T. D., 2004, In: Pyntegrønt. (5.5-31), 2 p.

    Research output: Contribution to journal › Journal article › Communication

  118. Published

    Nyttedyr i juletræskulturen: videnblade

    Ravn, Hans Peter, Nielsen, C. & Lisborg, T. D., 2004, In: Pyntegrønt. (5.5-32), 2 p.

    Research output: Contribution to journal › Journal article › Communication

  119. Published

    Flisproduktion og barkbillerisiko: videnblade

    Ravn, Hans Peter & Lisborg, T. D., 2004, In: Skovbrug. (8.10-12), 2 p.

    Research output: Contribution to journal › Journal article › Communication

  120. Published

    Forebyggelse of bekæmpelse af typografangreb: videnblade

    Ravn, Hans Peter, 2004, In: Videnblade Skovbrug. (8.10-13), 2 p.

    Research output: Contribution to journal › Journal article › Communication

  121. Published

    Skade- og nyttedyrfaunaen på økologiske og konventionelle nordmannsgranarealer

    Ravn, Hans Peter & Riis-Nielsen, Torben, 2006, Miljøministeriet. 88 p. (Bekæmpelsesmiddelforskning fra Miljøstyrelsen; No. 100).

    Research output: Book/Report › Report › Research

  122. Published

    Ædelgranbarkbille: en ny trussel mod Abies-arter i Danmark

    Ravn, Hans Peter, 2014, In: Videnblade Skov og Natur. 8.10-23, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  123. Published

    Brun ædelgranbladlus

    Ravn, Hans Peter & Christensen, C. J., 2010, In: Nåledrys. 72, p. 15-16 2 p.

    Research output: Contribution to journal › Journal article › Communication

  124. Published

    Angreb af typograf 2008

    Ravn, Hans Peter, 2008, In: Skoven. 8, p. 342-343 2 p.

    Research output: Contribution to journal › Journal article › Communication

  125. Published

    Mange askebarkbiller i år

    Ravn, Hans Peter, 2007, In: Skoven. 39, 5, p. 238-239 2 p.

    Research output: Contribution to journal › Journal article › Communication

  126. Published

    Stormfald og vedlevende insekter

    Ravn, Hans Peter & Harding, S., 2000, In: Videnblade Skovbrug. 8.10-5, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  127. Published

    To secure constructive alignment for the course “Biodiversity in Urban Nature”

    Ravn, Hans Peter, 2013, Improving University Science Teaching and Learning. Pedagogical Projects 2013. Department of Science Education, University of Copenhagen, p. 105-126 22 p. (Improving University Science Teaching and Learning - Pedagogical Projects; No. 1-2, Vol. 6).

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

  128. Published

    Pragtbille på pære og tjørn

    Ravn, Hans Peter, 2010, In: Skoven. 6-7, p. 296-297 2 p.

    Research output: Contribution to journal › Journal article › Communication

  129. Published

    Mosegrise i nordmannsgran

    Ravn, Hans Peter, Lodal, J. & Christensen, C. J., 2008, In: Nåledrys. 65, p. 43-46 4 p.

    Research output: Contribution to journal › Journal article › Communication

  130. Published

    Lærkebarkbiller fundet i Jylland

    Ravn, Hans Peter, 2007, In: Skoven. 39, 3, p. 124-125 2 p.

    Research output: Contribution to journal › Journal article › Communication

  131. Published

    Det grå egern - en trussel for dansk skovbrug?

    Ravn, Hans Peter, 2005, In: Videnblade Skovbrug. 8.9-2, p. 1-2 2 p.

    Research output: Contribution to journal › Journal article › Communication

  132. Published

    Behovsbestemt bekæmpelse af almindelig ædelgranlus

    Ravn, Hans Peter, 2005, In: PS Nåledrys. 51, p. 55-57 3 p.

    Research output: Contribution to journal › Journal article › Communication

  133. Published

    Galmider og svovl – skudskader og lugtgener

    Ravn, Hans Peter & Saxe, H., 2005, Produktionsafgiftsfonden for juletræer og pyntegrønt: J.nr. 2000-0034. p. 1-10 10 p.

    Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research

  134. Published

    Expansion of the populations of Ips typographus (L.) (Coleoptera, Scolytidae) and their local dispersal following gale disaster in Denmark

    Ravn, Hans Peter, 1985, In: ZEITSCHRIFT FUR ANGEWANDTE ENTOMOLOGIE-JOURNAL OF APPLIED ENTOMOLOGY. 99, 1, p. 26-33

    Research output: Contribution to journal › Journal article › Research › peer-review

  135. Published

    IPM bekæmpelse af almindelig ædelgranlus

    Ravn, Hans Peter, 2016

    Research output: Other contribution › Net publication - Internet publication › Communication

  136. Published

    Ædelgranknopvikleren: en overset viklerart på nordmannsgran

    Ravn, Hans Peter & Christensen, C. J., 2010, In: Videnblade Pyntegrønt. 5.5-36, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  137. Published

    Angreb af micans 2008

    Ravn, Hans Peter, 2008, In: Skoven. 8, p. 346-347 2 p.

    Research output: Contribution to journal › Journal article › Communication

  138. Published

    Egeprocessionsspinderens udbredelse og biologi

    Ravn, Hans Peter & Stadel Nielsen, P., 2020, In: Videnblade Park og Landskab. 05.28-17

    Research output: Contribution to journal › Journal article › Communication

  139. Published

    Pragtbiller angriber tjørn: d-formede huller på tjørnestamme eller -grene afslører de ny skadedyr

    Ravn, Hans Peter & Christensen, L., 2007, In: Groent Miljoe. 25, 8, p. 46-47 2 p.

    Research output: Contribution to journal › Journal article › Communication

  140. Published

    Kastanie-minérmøllet og andre aktuelle insekter på træer: Dansk Patologisk Selskab

    Ravn, Hans Peter & Nielsen, C., 2005, Hørsholm

    Research output: Other contribution › Communication

  141. Published

    Examples of successful classical biological control north of the Alps

    Ravn, Hans Peter, 2005, Abstracts of the international workshop. Danish Institute of Agricultural Sciences, p. 14 1 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

  142. Published

    Det grå egern - en fremtidig beboer i byens parker?

    Ravn, Hans Peter, 2005, In: Videnblade Park og Landskab. 5.29-5, p. 1-2 2 p.

    Research output: Contribution to journal › Journal article › Communication

  143. Published

    Stor lærkebarkbille: udbredt, men af begrænset økonomisk betydning

    Ravn, Hans Peter, 2012, In: Videnblade Skov og Natur. 8.10-22, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  144. Published

    Skadedyr og andre problemer i juletræer 2008

    Ravn, Hans Peter & Thomsen, Iben Margrete, 2009, In: Nåledrys. 25, 68, p. 35-41 7 p.

    Research output: Contribution to journal › Journal article › Communication

  145. Published

    Skadedyr i kristtorn: viklere, øresnudebiller, pattedyr og fugle

    Ravn, Hans Peter, 2008, In: Videnblade Pyntegrønt. 5.5-19, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  146. Published

    Samenschädlinge beißen zu

    Ravn, Hans Peter, Ditlevsen, B. & Kaßner, S. (Translator), 2011, In: Nadel Journal. 1, p. 16 1 p.

    Research output: Contribution to journal › Journal article › Communication

  147. Published

    Skadedyr i kristtorn: kristtorn-minérfluen og kristtornbladlus

    Ravn, Hans Peter, 2008, In: Videnblade Pyntegrønt. 5.5-18, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  148. Published

    Nyttedyr og ædelgranlus på økologisk og konventionelt dyrkede juletræer

    Ravn, Hans Peter & Riis-Nielsen, Torben, 2007, In: Videnblade Pyntegrønt. 5.5-33, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  149. Published

    Skadevoldere på amerikanske juletræsarter: balsam- og klippegran

    Ravn, Hans Peter & Thomsen, Iben Margrete, 2006, In: Videnblade Pyntegrønt. 5.5-25, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  150. Published

    Ny aggressiv barkbille på nobilis og andre Abies-arter

    Ravn, Hans Peter, 2013, In: Nåledrys. 85, p. 50-53 4 p.

    Research output: Contribution to journal › Journal article › Communication

  151. Published

    Ædelgranknopvikleren - en overset viklerart på nordmansgran

    Ravn, Hans Peter & Christensen, C. J., 2010, In: Nåledrys. 71, p. 25-26 2 p.

    Research output: Contribution to journal › Journal article › Communication

  152. Published

    Skadedyr i kristtorn: kristtorn-minérfluen og kristtornbladlus

    Ravn, Hans Peter, 2008, In: Videnblade Park og Landskab. 5.28-14, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  153. Published

    Betydningen af læhegn for ædelgranlus og nyttedyr i nordmannsgran

    Ravn, Hans Peter & Riis-Nielsen, Torben, 2007, In: Videnblade Pyntegrønt. 5.5-34, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  154. Published

    Fænologi og biologisk bekæmpelse af koglehalvmøllet

    Ravn, Hans Peter & Harding, S., 2006, 11 p.

    Research output: Book/Report › Report › Research

  155. Published

    Nyt om ædelgran-barkbillerne - efter sæsonen 2015

    Ravn, Hans Peter, Justesen, Mathias Just & Hansen, A. K., 2016, In: Nåledrys. 95, p. 53-57 5 p.

    Research output: Contribution to journal › Journal article › Communication

  156. Published

    Resistens hos almindelig ædelgranlus?

    Ravn, Hans Peter, Hansen, L. M. & Christensen, C. J., 2011, In: Nåledrys. 76, p. 12-15 4 p.

    Research output: Contribution to journal › Journal article › Communication

  157. Published

    Opformering af barkbiller i tyndingstræ

    Ravn, Hans Peter, 2008, In: Skoven. 6-7, p. 294-296 3 p.

    Research output: Contribution to journal › Journal article › Communication

  158. Published

    Bekæmpelse af koglehalvmøl

    Ravn, Hans Peter & Harding, S., 2007, In: Videnblade Pyntegrønt. 5.5-28, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  159. Published

    Bedre grundlag for indsatsen mod invasive arter

    Ravn, Hans Peter & Tvedt, Tilde, 2014, In: Videnblade Park og Landskab. 6.00-34, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  160. Published

    Erfaringer med græsning af rynket rose

    Ravn, Hans Peter & Buttenschøn, Rita M., 2007, Ikke angivet. Weidema, I., Ravn, H. P., Vestergaard, P., Johnsen, I. & Svart, H. E. (eds.). Københavns Universitet og Skov- og Naturstyrelsen, p. 65-69 5 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

  161. Published

    Kastanie-minérmøl: nyt alvorligt skadedyr

    Ravn, Hans Peter, Harding, S., Karsholt, Ole & Kristoffersen, P., 2004. 2 p.

    Research output: Contribution to conference › Paper › Research

  162. Published

    Stormfald og opformering af barkbiller

    Ravn, Hans Peter & Harding, S., 2000, In: Videnblade Skovbrug. 8.10-4, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  163. Published

    Sprøjtesvovl kan medføre lugtgener

    Ravn, Hans Peter, 2006, In: Videnblade Pyntegrønt. 5.5-26, p. 1-2 2 p.

    Research output: Contribution to journal › Journal article › Communication

  164. Published

    Forebyggelse og bekæmpelse af typografangreb

    Ravn, Hans Peter, 2004, In: Videnblade Skovbrug. 8.10.13, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  165. Published

    Spindemøl – synlige men harmløse

    Ravn, Hans Peter & Nielsen, M. G., 2021, In: Videnblade Park og Landskab. 05.28-19

    Research output: Contribution to journal › Journal article › Communication

  166. Published

    Ny skjoldlusart på bytræer

    Ravn, Hans Peter & Martin, J. O., 2007, In: Groent Miljoe. 8, p. 34 1 p.

    Research output: Contribution to journal › Journal article › Communication

  167. Published

    Minérmøllet får kastanierne til at visne: det nye skadedyr kan gøre træerne til så trist et syn at man får lyst til at fælde dem

    Ravn, Hans Peter, Kristoffersen, P., Harding, S. & Karsholt, Ole, 2004, In: Groent Miljoe. 4, p. 36-37 2 p.

    Research output: Contribution to journal › Journal article › Communication

  168. Published

    Kastanie-minérmøl: et nyt iøjnefaldende skadedyr

    Ravn, Hans Peter, Harding, S., Karsholt, Ole & Kristoffersen, P., 2004, In: Skov & Landskab. 8.10-11, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  169. Published

    Jættebarkbillen. Biologi og betydning

    Ravn, Hans Peter, 2021, In: Videnblade Skov og Natur. 08.10-01

    Research output: Contribution to journal › Journal article › Communication

  170. Published

    Angreb af sitkabladlus 2008

    Ravn, Hans Peter, 2008, In: Skoven. 8, p. 344-345 2 p.

    Research output: Contribution to journal › Journal article › Communication

  171. Published

    "Giant alien": a project template for integrated management of invasive weeds

    Ravn, Hans Peter, 2005, Programme and proceedings. Justus-Liebig University, p. 15 1 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

  172. Published

    Insektskader efter stormfald

    Ravn, Hans Peter, 2005, In: Skoven. 2, p. 80-83 4 p.

    Research output: Contribution to journal › Journal article › Communication

  173. Published

    Biodiversitet - hvad, hvorfor og hvordan? Skov- og Naturressourceøkologi

    Ravn, Hans Peter, 2005, Hørsholm, Danmark

    Research output: Other contribution › Communication

  174. Published

    Hvad er biodiversitet for dig - og hvordan skal det driftes?

    Ravn, Hans Peter, 2017, In: HOPI Avisen. 4, p. 10 1 p.

    Research output: Contribution to journal › Contribution to newspaper - Comment/debate › Communication

  175. Published

    Juletræer uden pesticider: kan dyrkningen indrettes, så skadedyrproblemer undgås?

    Ravn, Hans Peter & Riis-Nielsen, Torben, 2007, In: Nåledrys. 23, 61, p. 4-10 7 p.

    Research output: Contribution to journal › Journal article › Communication

  176. Published

    Forårsafløvninger i eg

    Ravn, Hans Peter, 2013, In: Skoven. 9, p. 381-383 3 p.

    Research output: Contribution to journal › Journal article › Communication

  177. Published

    Dreyfusia nordmannianae in Northern and Central Europe: potential for biological control and comments on its taxonomy

    Ravn, Hans Peter, Havill, N. P., Akbulut, S., Foottit, R. G., Serin, M., Erdem, M., Mutun, S. & Kenis, M., 2013, In: Journal of Applied Entomology (Print). 137, 6, p. 401-417 17 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  178. Published

    Stor lærkebarkbille i Danmark: opdatering af udbredelsen

    Ravn, Hans Peter, 2012, In: Skoven. 4, p. 194-196 3 p.

    Research output: Contribution to journal › Journal article › Communication

  179. Published

    Nyopdaget pragtbille i Danmark

    Ravn, Hans Peter & Christensen, L., 2007, In: Videnblade Park og Landskab. 5.28-12, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  180. Published

    Bekæmpelse af af stor nåletræsnudebille uden pesticider

    Ravn, Hans Peter, Riis-Nielsen, Torben, Bentsen, Niclas Scott & Wichmann, L., 2006, Miljøministeriet. 98 p. (Bekæmpelsesmiddelforskning fra Miljøstyrelsen; No. 101).

    Research output: Book/Report › Report › Research

  181. Published

    Kastanieminérmøl: et nyt, iøjnefaldende skadedyr

    Ravn, Hans Peter, Harding, S., Karsholt, Ole & Kristoffersen, P., 2004, In: Bladloppen. 23, p. 31-34 4 p.

    Research output: Contribution to journal › Journal article › Communication

  182. Published

    Brun ædelgranbladlus: bekæmpelse

    Ravn, Hans Peter & Christensen, C. J., 2010, In: Videnblade Pyntegrønt. 5.5-37, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  183. Published

    Ædelgranbarkbille - en ny barkbilleart på Abies i Danmark

    Ravn, Hans Peter, 2014, In: Skoven. 46, 4, p. 192-194 3 p.

    Research output: Contribution to journal › Journal article › Communication

  184. Published

    Erfaringer med bekæmpelse af Rosa rugosa fra Bisserup, Sydsjælland

    Ravn, Hans Peter, 2007, Ikke angivet. Weidema, I., Ravn, H. P., Vestergaard, P., Johnsen, I. & Svart, H. E. (eds.). Københavns Universitet og Skov- og Naturstyrelsen, p. 55-60 6 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

  185. Published

    Invasive arter - hvad er det?

    Ravn, Hans Peter, 2017, In: Kaskelot. 215, p. 19-23 5 p.

    Research output: Contribution to journal › Journal article › Communication

  186. Published

    Overvågning og bekæmpelse af egeprocessionsspinder

    Ravn, Hans Peter & Stadel Nielsen, P., 2020, In: Videnblade Park og Landskab. 05.28-18

    Research output: Contribution to journal › Journal article › Communication

  187. Published

    Græsning som naturpleje og insektdiversitet

    Ravn, Hans Peter & Nielsen, P. S., 2007, In: Bladloppen. 26, p. 34-44 11 p.

    Research output: Contribution to journal › Journal article › Communication

  188. Published

    Sprøjtesvovl kan medføre lugtgener

    Ravn, Hans Peter, 2006, In: Nåledrys. 58, p. 45-46 2 p.

    Research output: Contribution to journal › Journal article › Communication

  189. Published

    Insektangreb efter stormfald: Stormfaldsmøde i Rebild

    Ravn, Hans Peter, 2005, Hørsholm

    Research output: Other contribution › Communication

  190. Published

    Almindelig ædelgranlus: videnblade

    Ravn, Hans Peter, 2004, In: Pyntegrønt. 5.5-4, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  191. Published

    Ædelgranbarkbille - en ny trussel mod Abies-arter i Danmark

    Ravn, Hans Peter, 2013, In: Videnblade Pyntegrønt. 5.5-40, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  192. Published

    Opmærksomhed på typograferne

    Ravn, Hans Peter, 2014, In: Skoven. 46, p. 122-123 2 p.

    Research output: Contribution to journal › Journal article › Communication

  193. Published

    Oldenborre-år?

    Ravn, Hans Peter & Christensen, C. J., 2010, In: Nåledrys. 74, p. 51-53 3 p.

    Research output: Contribution to journal › Journal article › Communication

  194. Published

    Biodiversitet på kirkegården

    Ravn, Hans Peter, Howe, A. G. & Tvedt, Tilde, May 2016, In: Videnblade Park og Landskab. 06.08-06

    Research output: Contribution to journal › Journal article › Communication

  195. Published

    Afbrænding af kvas og effekter på skovøko¬systemet: 2. Insekter og svampe

    Ravn, Hans Peter, Rune, F. & Thomsen, Iben Margrete, 1999, In: Skoven. 31, 4, p. 193-196

    Research output: Contribution to journal › Journal article › Communication

  196. Published

    Nyt om frøinsekter

    Ravn, Hans Peter & Ditlevsen, B., 2010, In: Nåledrys. 71, p. 35 1 p.

    Research output: Contribution to journal › Journal article › Communication

  197. Published

    Asiatisk træbuk i USA: erfaringer med bekæmpelse

    Ravn, Hans Peter, 2012, In: Videnblade Skov og Natur. 8.10-19, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  198. Published

    Bladlusåret 2008

    Ravn, Hans Peter, 2008, In: Nåledrys. 65, p. 4-7 4 p.

    Research output: Contribution to journal › Journal article › Communication

  199. Published

    Skovdriftens indflydelse på faunaen: KVL Forelæsning: Faunaens vilkår i det åbne land

    Ravn, Hans Peter, 2005, Hørsholm

    Research output: Other contribution › Communication

  200. Published

    Oldenborreangreb i juletræskulturer

    Ravn, Hans Peter, 2010, In: Videnblade Pyntegrønt. 5.5-39, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  201. Published

    Frøinsekter i Abies

    Ravn, Hans Peter, Harding, S. & Ochsner, P., 2009, In: Nåledrys. 67, p. 46-49 4 p.

    Research output: Contribution to journal › Journal article › Communication

  202. Published

    Stribet vedborer kan angribe friskskovet træ

    Ravn, Hans Peter, Thomsen, Iben Margrete & Harding, S., 2012, In: Skoven. 3, p. 145-147 3 p.

    Research output: Contribution to journal › Journal article › Research

  203. Published

    Skadedyr i kristtorn: viklere, øresnudebiller, pattedyr og fugle

    Ravn, Hans Peter, 2008, In: Videnblade Park og Landskab. 5.28-15, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  204. Published

    Ny skjoldlus-art på byens træer

    Ravn, Hans Peter & Martin, J. O., 2007, In: Videnblade Park og Landskab. 5.28-11, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  205. Published

    Improving biodiversity in urban areas: KVL forelæsning: Urban Ecosystems, Biodiversity

    Ravn, Hans Peter, 2005, Hørsholm

    Research output: Other contribution › Communication

  206. Published

    Typograf-situationen ved månedsskiftet juli-august

    Ravn, Hans Peter, 2007, In: Skoven. 39, 08, p. 330-332 3 p.

    Research output: Contribution to journal › Journal article › Communication

  207. Published

    Brun ædelgranbladlus: biologi og skader

    Ravn, Hans Peter, 2010, In: Videnblade Pyntegrønt. 5.5.17, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  208. Published

    Nyt om ædelgranbarkbillerne - efter sæsonen 2015

    Ravn, Hans Peter, Justesen, Mathias Just & Hansen, A. K., 2016, In: Skoven. 3, p. 124-127 4 p.

    Research output: Contribution to journal › Journal article › Communication

  209. Published

    Skadedyr i juletræer: Pyntegrøntkursus på KVL

    Ravn, Hans Peter, 2005, Hørsholm

    Research output: Other contribution › Communication

  210. Published

    Typografens udviklingsforhold i 2018: Sagsnotat

    Ravn, Hans Peter, 2019, 7 p.. Feb 25, 2019.

    Research output: Memorandum/exposition › Memorandum

  211. Published

    Koglehalvmøllet - et frygtet, men måske overvurderet skadedyr i frøproduktionen

    Ravn, Hans Peter & Harding, S., 2007, In: Nåledrys. 23, 59, p. 50-54 5 p.

    Research output: Contribution to journal › Journal article › Communication

  212. Published

    Cameraria ohridella - biology on the northern borderline of the distribution of its host tree

    Ravn, Hans Peter, 2006, Ikke angivet. BfN - Skripten, 1 p. (BfN-Skripten; No. 184).

    Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

  213. Published

    Typograf-situationen før vinteren 2007

    Ravn, Hans Peter, 2007, In: Skoven. 11, p. 496-497 2 p.

    Research output: Contribution to journal › Journal article › Communication

  214. Published

    IPM bekæmpelse af ædelgranbarkbille

    Ravn, Hans Peter, 2016

    Research output: Other contribution › Net publication - Internet publication › Communication

  215. Published

    Ulden ædelgranlus - forekom udbredt i nordmannsgran i 2010

    Ravn, Hans Peter & Christensen, C. J., 2010, In: Nåledrys. 73, p. 22-24 3 p.

    Research output: Contribution to journal › Journal article › Communication

  216. Published

    Effektiv håndtering af typograf-problemet

    Ravn, Hans Peter, 2006, In: Skoven. 38, 9, p. 394-398 5 p.

    Research output: Contribution to journal › Journal article › Communication

  217. Published

    Invasive arter: en tematisk udredning

    Ravn, Hans Peter, 2015, Frederiksberg: Institut for Geovidenskab og Naturforvaltning, Københavns Universitet. 37 p. (IGN Rapport).

    Research output: Book/Report › Report › Communication

  218. Published

    Skadedyr i kristtorn

    Ravn, Hans Peter, 2011, In: Nåledrys. 75, p. 14-19 6 p.

    Research output: Contribution to journal › Journal article › Communication

  219. Published

    Angreb af stribet vedborer: ingen "sikre perioder"

    Ravn, Hans Peter, Thomsen, Iben Margrete & Harding, S., 2011, In: Videnblade Skov og Natur. 8.10-16, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  220. Published

    Effects of different weed control methods on flora and fauna

    Ravn, Hans Peter & Riis-Nielsen, Torben, 2009, Forest vegetation management - towards environmental sustainability: proceedings from the final COST E47 conference, 2009. 35 ed. Forest & Landscape, University of Copenhagen, p. 39 1 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

  221. Published

    Veterantræer og biodiversitet

    Ravn, Hans Peter, Skov, Simon & Thomsen, Iben Margrete, 2017, In: Videnblade Park og Landskab. 03.13-20, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  222. Published

    Revegetation as a part of an integrated management strategy for large Heracleum species:

    Ravn, Hans Peter, Treikale, O., Vanaga, L. & Priekule, I., 2007, Ecology and management of giant hogweed (Heracleum mantegazzianum). Pysek, P., Cock, M. J. W., Nentwig, W. & Ravn, H. P. (eds.). CABI, p. 272-283 12 p.

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  223. Published

    Asiatisk træbuk og citrustræbuk I: biologi og værtplanter

    Ravn, Hans Peter, Thomsen, Iben Margrete, Scheel, C. & Stenstrup, L. T., 2012, In: Videnblade Skov og Natur. 8.10-17, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  224. Published

    Nyttedyrene i juletræskulturen - kend dine gratis hjælpere

    Ravn, Hans Peter, 2011, In: Nåledrys. 77, p. 40-47 8 p.

    Research output: Contribution to journal › Journal article › Communication

  225. Published

    Klassisk biologisk bekæmpelse

    Ravn, Hans Peter, 2008, In: moMentum. 2, p. 23-26 4 p.

    Research output: Contribution to journal › Journal article › Communication

  226. Published

    Det grå egern - en trussel for dansk skovbrug?

    Ravn, Hans Peter, 2008, In: Vaekst. 2, p. 30-32 3 p.

    Research output: Contribution to journal › Journal article › Communication

  227. Published

    Eksport af juletræer og pyntegrønt - pas på skadegørere!

    Ravn, Hans Peter & Stenstrup, L. T., 2007, In: Videnblade Pyntegrønt. rev., 10.7-1, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  228. Published

    Cameraria ohridella biology on the northern borderline of the distribution of its host tree

    Ravn, Hans Peter, 2006. 1 p.

    Research output: Contribution to conference › Poster › Research

  229. Published

    Hylobius - status 2017

    Ravn, Hans Peter & Howe, A. G., 2017, In: Skoven. 49, 2, p. 60-64 5 p.

    Research output: Contribution to journal › Contribution to newspaper - Feature article › Communication

  230. Published

    Asiatiske træbukke i Norditalien: erfaringer med bekæmpelse

    Ravn, Hans Peter, 2012, In: Videnblade Skov og Natur. 8.10-20, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  231. Published

    Control of adelgid pests in Christmas trees: Oral presentation at the International Christmas Tree Conference in Michigan, USA

    Ravn, Hans Peter & Lisborg, T., 2005, Hørsholm

    Research output: Other contribution › Communication

  232. Published

    Behovsbestemt bekæmpelse af alm. ædelgranlus: videnblade

    Ravn, Hans Peter, 2004, In: Pyntegrønt. (5.5-21), 2 p.

    Research output: Contribution to journal › Journal article › Communication

  233. Published

    Forårsafløvninger af eg: de vigtigste insekter

    Ravn, Hans Peter & Thomsen, Iben Margrete, 2012, In: Videnblade Skov og Natur. 8.10-21, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  234. Published

    Kastanie-minérmøl – et nyt iøjnefaldende skadedyr

    Ravn, Hans Peter, Harding, S., Karsholt, Ole & Kristoffersen, P., 2004, In: Videnblade Park og Landskab. 5.28-6, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  235. Published

    Miljøvenlig bekæmpelse af almindelig ædelgranlus

    Ravn, Hans Peter, 2012, 22 p.

    Research output: Book/Report › Report › Research

  236. Published

    Anmeldelse: Signe Frederiksen, Finn N. Rasmussen og Ole Seeberg (red.), 2006. Dansk Flora, 701 s., Gyldendal

    Ravn, Hans Peter, 2007, In: Entomologiske Meddelelser. 75, 2, p. 151-152 2 p.

    Research output: Contribution to journal › Literature review › Communication

  237. Published

    Valuable seed destroyed by insects

    Rosenberg, O., Ylioja, T., Ravn, Hans Peter, Krokene, P. & Voolma, K., 2012, In: News and Views: from SNS - Nordic Forest Research Co-operation Committee. 1, p. 1-2 2 p.

    Research output: Contribution to journal › Journal article › Research

  238. Published

    Sitkabladlus i gran

    Roulund, H., Harding, S. & Ravn, Hans Peter, 2005, In: Videnblade Pyntegrønt. 5.5-22, p. 1-2 2 p.

    Research output: Contribution to journal › Journal article › Communication

  239. Published

    The harlequin ladybird, Harmonia axyridis: global perspectives on invasion history and ecology

    Roy, H. E., Brown, P. M. J., Adriaens, T., Berkvens, N., borges, I., Clusella-Trullas, S., Comont, R. F., Clercq, P. D., Eschen, R., Estoup, A., Evans, E. W. E., Facon, B., Gardiner, M. M., Gil, A., Grez, A. A., Guillemaud, T., Haelewaters, D., Herz, A., Honek, A., Howe, A. G. & 36 others, Hui, C., Hutchison, W. D., Keni, M., Koch, R. L., Kulfan, J., Handley, L. L., Lombaert, E., Loomans, A., Losey, J., Lukashuk, A. O., Maes, D., Magro, A., Murray, K. M., Martin, G. S., Martinkova, Z., Minnaar, I. A., Nedved, O., Orlova-Bienkowskaja, M. J., Osawa, N., Rabitsch, W., Ravn, Hans Peter, Rondoni, G., Rorke, S. L., Ryndevich, S. K., Saethre, M., Sloggett, J. J., Soares, A. O., Stals, R., TinsleY, M. C., Vandereycken, A., Wielink, P. V., Viglášová, S., Zach, P., Zakharov, I. A., Zaviezo, T. & Zhao, Z., 2016, In: Biological Invasions. 18, 4, p. 997-1044

    Research output: Contribution to journal › Journal article › Research › peer-review

  240. Published

    Invasive alien predator causes rapid declines of native European ladybirds

    Roy, H. E., Adriaens, T., Isaac, N. J. B., Kenis, M., Onkelinx, T., Martin, G. S., Brown, P. M. J., Hautier, L., Poland, R., Roy, D. B., Comont, R., Eschen, R., Frost, R., Zindel, R., Van Vlaenderen, J., Nedvěd, O., Ravn, Hans Peter, Grégoire, J., de Biseau, J. & Maes, D., 2012, In: Diversity and Distributions. 18, 7, p. 717-725 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  241. Published

    Sprøjteskader på nordmannsgran i relation til klima og stress

    Saxe, H. & Ravn, Hans Peter, 2002, Ikke angivet. Jerram Christensen, C. (ed.). Center for Skov, Landskab og Planlægning/Københavns Universitet, p. 217 1 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

  242. Published

    Sprøjteskader i relation til klimaforhold og plantestress: el1 : forsøg under kontrolleret klima

    Saxe, H. & Ravn, Hans Peter, 2001, In: PS Nåledrys. 38, p. 20-26 7 p.

    Research output: Contribution to journal › Journal article › Communication

  243. Published

    Offspring per emergence hole at different attack densities in the Spruce Bark Beetle, Ips typographus (L.) (Coleoptera, Scolytidae)

    Schlyter, F., Anderbrant, O., Harding, S. & Ravn, Hans Peter, 1984, In: ZEITSCHRIFT FUR ANGEWANDTE ENTOMOLOGIE-JOURNAL OF APPLIED ENTOMOLOGY. 97, 3, p. 244-248

    Research output: Contribution to journal › Journal article › Research › peer-review

  244. Published

    Konvertering af rødgran ved underplantning: videnblade

    Skovsgaard, J. P., Brunner, A., Sørensen, Ib Holmgård & Ravn, Hans Peter, 2004, In: Skovbrug. (4.1-6), 2 p.

    Research output: Contribution to journal › Journal article › Communication

  245. Published

    Oprydning efter stormfald: lad høje stubbe stå

    Skovsgaard, J. P., Ravn, Hans Peter & Rune, F., 2005, In: Skoven. 2, p. 104-105 2 p.

    Research output: Contribution to journal › Journal article › Communication

  246. Published

    Effect of Beauveria bassiana against overwintering pea leaf weevil, Sitona lineatus

    Steenberg, T. & Ravn, Hans Peter, 1996, In: IOBC/wprs Bulletin. 19, 9, p. 183-185 3 p.

    Research output: Contribution to journal › Journal article › Research

  247. Published

    Sustainable utilisation of forest biomass for energy - possibilities and problems: policy, legislation, certification, and recommendations and guidelines in the Nordic, Baltic, and other European countries

    Stupak, I., Asikainen, A., Jonsell, M., Karltun, E., Lunnan, A., Mizaraite, D., Pasanen, K., Pärn, H., Raulund-Rasmussen, K., Röser, D., Schroeder, M., Varnagiryte, I., Vilkriste, L., Callesen, I., Clarke, N., Gaitnieks, T., Ingerslev, M., Mandre, M., Ozolincius, R., Saarsalmi, A. & 9 others, Armolaitis, K., Helmisaari, H., Indriksons, A., Kairiukstis, L., Katzensteiner, K., Kukkola, M., Ots, K., Ravn, Hans Peter & Tamminen, P., 2007, In: Biomass & Bioenergy. 31, 10, p. 666-684 19 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  248. Published

    Sustainable use of forest biomass for energy

    Stupak Møller, I., Raulund-Rasmussen, K., Asikainen, A., Röser, D., Lunnan, A., Karltun, E., Jonsell, M., Schrøder, M., Ozolincius, R., Mandre, M., Gaitnieks, T., Callesen, I., Clarke, N., Helmisaari, H-S., Indriksons, A., Ingerslev, M., Kairiukstis, L., Kukkola, M., Mizarete, D., Ots, K. & 7 others, Pärn, H., Pasanen, K., Ravn, Hans Peter, Saarsalmi, A., Tamminen, P., Varnagyrite, I. & Vilkriste, L., 2005, Regular recycling of wood ash to prevent waste production: RecAsh - a life-environment demonstration project. Skogsvårdsstyrelsen, p. 63-65 3 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

  249. Published

    Biologi og principper for bekæmpelse af kæmpe-bjørneklo

    Suadicani, K., Ravn, Hans Peter & Buttenschøn, Rita M., 2017, In: Videnblade Park og Landskab. 06.00-40, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  250. Published

    Integreret bekæmpelse af skadegørere (IPM) i pyntegrønt og skov

    Suadicani, K. & Ravn, Hans Peter, 2016

    Research output: Other contribution › Net publication - Internet publication › Communication

  251. Published

    Bekæmpelse af kæmpe-bjørneklo: Lovgivning og indsatsplaner

    Suadicani, K., Buttenschøn, Rita M. & Ravn, Hans Peter, 2017, In: Videnblade Park og Landskab. 06.00-39, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  252. Published

    Kæmpe-bjørneklo i Danmark – status for bekæmpelsen: Udbredelse og indsats, de anvendte metoder og deres effekt samt en analyse af samfundsøkonomien i forbindelse med bekæmpelsen

    Suadicani, K., Buttenschøn, Rita M., Ravn, Hans Peter & Johannsen, VK, 2017, Institut for Geovidenskab og Naturforvaltning, Københavns Universitet. 56 p. (IGN Rapport).

    Research output: Book/Report › Report › Research

  253. Published

    Metoder til bekæmpelse af kæmpe-bjørneklo

    Suadicani, K., Ravn, Hans Peter & Buttenschøn, Rita M., 2017, In: Videnblade Park og Landskab. 06.00-41, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  254. Published

    Neonectria ædelgrankræft II: værtplanter og samspil med insekter

    Talgø, V., Thomsen, Iben Margrete & Ravn, Hans Peter, 2013, In: Videnblade Pyntegrønt. 5.6-26, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  255. Published

    Egevisnesyge: den faglige vurdering af egeflissagen

    Thomsen, Iben Margrete, Ravn, Hans Peter, Harding, S., Rasmussen, C. & Søgaard, J., 2003, In: Skoven. 3, p. 132-135 4 p.

    Research output: Contribution to journal › Journal article › Communication

  256. Published

    Egevisnesyge: den faglige vurdering af egeflissagen

    Thomsen, Iben Margrete, Ravn, Hans Peter, Harding, S., Rasmussen, C. & Søgaard, J., 2003, In: Grønt Miljø. 2, p. 68-71 4 p.

    Research output: Contribution to journal › Journal article › Communication

  257. Published

    Skader på træer og kulturplanter: videnblade

    Thomsen, Iben Margrete & Ravn, Hans Peter, 2004, In: Skovbrug. (2.1-2), 2 p.

    Research output: Contribution to journal › Journal article › Communication

  258. Published

    Skader på juletræer og pyntegrønt: videnblade

    Thomsen, Iben Margrete & Ravn, Hans Peter, 2004, In: Pyntegrønt. (2.1-2), 2 p.

    Research output: Contribution to journal › Journal article › Communication

  259. Published

    Elmesyge: videnblade

    Thomsen, Iben Margrete, Kristoffersen, P. & Ravn, Hans Peter, 2004, In: Skovbrug. (8.7-28), 2 p.

    Research output: Contribution to journal › Journal article › Communication

  260. Published

    Skovsundhed

    Thomsen, Iben Margrete, Jørgensen, Bruno Bilde, Ravn, Hans Peter & Hansen, K. I., 2008, Skove og plantager 2006. Nord-Larsen, T., Johannsen, V. K., Jørgensen, B. B. & Bastrup-Birk, A. (eds.). Museum Tusculanum, p. 55-72 18 p.

    Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research

  261. Published

    Trusler mod buksbom som prydplante og pyntegrønt

    Thomsen, Iben Margrete, Talgø, V., Ravn, Hans Peter & Leonhard, B., 2012, In: Nåledrys. 79, p. 50-57 8 p.

    Research output: Contribution to journal › Journal article › Communication

  262. Published

    Skovens sundhed er god – med visse undtagelser

    Thomsen, Iben Margrete, Nord-Larsen, Thomas & Ravn, Hans Peter, 2016, In: Skoven. 48, 11, p. 476-479

    Research output: Contribution to journal › Journal article › Communication

  263. Published

    De ukendte farer

    Thomsen, Iben Margrete & Ravn, Hans Peter, 2015, In: Danske Havecentre. Mar., p. 16-17

    Research output: Contribution to journal › Journal article › Communication

  264. Published

    Buksbom – som klippegrønt

    Thomsen, Iben Margrete, Ravn, Hans Peter & Leonhard, B., 2005, In: Videnblade Pyntegrønt. 3.7-1, p. 1-2 2 p.

    Research output: Contribution to journal › Journal article › Communication

  265. Published

    Bekæmpelse af elmesyge

    Thomsen, Iben Margrete, Kristoffersen, P. & Ravn, Hans Peter, 2004, In: Videnblade Park og Landskab. 5.26-2, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  266. Published

    Skadevoldere på douglasgran

    Thomsen, Iben Margrete & Ravn, Hans Peter, 2009, In: Videnblade Skov og Natur. 8.7-42, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  267. Published

    Asiatisk træbuk og citrustræbuk II: modforholdsregler mod etablering

    Thomsen, Iben Margrete, Ravn, Hans Peter, Scheel, C. & Stenstrup, L. T., 2012, In: Videnblade Skov og Natur. 8.10-18, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  268. Published

    Eftervirkninger af en tør sommer

    Thomsen, Iben Margrete & Ravn, Hans Peter, 2019, In: Grønt Miljø. 6, p. 5-8 4 p.

    Research output: Contribution to journal › Journal article › Communication

  269. Published

    Neonectria-situationen i Danmark

    Thomsen, Iben Margrete, Ravn, Hans Peter, Nielsen, Knud Nor & Nielsen, Ulrik Braüner, 2015, In: Nåledrys. 91, p. 20-23

    Research output: Contribution to journal › Journal article › Communication

  270. Published

    2018-tørkens indflydelse på skovbruget 1. Sundhed og overlevelse

    Thomsen, Iben Margrete, Jørgensen, Bruno Bilde, Callesen, Ingeborg & Ravn, Hans Peter, 2019, In: Skoven. 51, 3, p. 106-111 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  271. Published

    Skadevoldere på amerikanske juletræsarter: douglasgran

    Thomsen, Iben Margrete & Ravn, Hans Peter, 2009, In: Videnblade Pyntegrønt. 5.6-17, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  272. Published

    Vedr. vurdering af 2018-tørkens indflydelse på skovbruget - opdatering vinter 2018/2019: Sagsnotat

    Thomsen, Iben Margrete, Jørgensen, Bruno Bilde, Callesen, Ingeborg, Vesterdal, Lars, Ravn, Hans Peter, Hansen, Jon Kehlet, Kjær, Erik Dahl, Nord-Larsen, Thomas, Larsen, Klaus Steenberg, Johannsen, VK & Ibrom, A., 2019, 18 p.. Jan 17, 2019.

    Research output: Memorandum/exposition › Memorandum

  273. Published

    Elmesyge – historie og spredning

    Thomsen, Iben Margrete, Kristoffersen, P. & Ravn, Hans Peter, 2004, In: Videnblade Park og Landskab. 5.26-1, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  274. Published

    Buksbom

    Thomsen, Iben Margrete, Ravn, Hans Peter & Leonhard, B., 2005, In: Videnblade Park og Landskab. 8.2-5, p. 1-2 2 p.

    Research output: Contribution to journal › Journal article › Communication

  275. Published

    Ubudne gæster

    Thomsen, Iben Margrete, Ravn, Hans Peter & Momberg, J., 2015, In: Danske Havecentre. Febr., p. 14-15

    Research output: Contribution to journal › Journal article › Communication

  276. Published

    Neonectria – en ubehagelig svampeslægt for skovbruget

    Thomsen, Iben Margrete, Nielsen, Ulrik Braüner, Pettersson, M., Nielsen, Knud Nor, Ravn, Hans Peter & Talgø, V., 2016, In: Skoven. 48, 5, p. 225-231

    Research output: Contribution to journal › Journal article › Communication

  277. Published

    Rynket rose (Rosa rugosa) i Danmark: rapport fra workshop på Biologisk Institut, Københavns Universitet, 5.-6. september 2006

    Weidema, I. (ed.), Ravn, Hans Peter (ed.), Vestergaard, P. (ed.), Johnsen, I. (ed.) & Svart, H. E. (ed.), 2007, København: Københavns Universitet og Skov- og Naturstyrelsen. 77 p.

    Research output: Book/Report › Report › Research

  278. Published

    Estimating Risks for Spruce Bark Beetle (Ips typographus (L.)) Damage Using Pheromone-baited Traps and Trees

    Weslien, J., Annila, E., Bakke, A., Bejer, B., Eidmann, H. H., Narvestad, K., Nikula, A. & Ravn, Hans Peter, 1989, In: Scandinavian Journal of Forest Research. 4, 1-4, p. 87-98

    Research output: Contribution to journal › Journal article › Research › peer-review

  279. Published

    The spread of Ips typographus (L.) (Coleoptera, Scolytidae) attacks following heavy windthrow in Denmark, analysed using GIS

    Wichmann, L. & Ravn, Hans Peter, 2001, In: Forest Ecology and Management. 148, p. 31-39 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  280. Published

    Damage to buds and shoots of coniferous woody plants

    Witzell, J., Matsiakh, I., Poljakovic Pajnik, L., Kenis, M., Talgø, V., Ravn, Hans Peter, Barta, M. & Cleary, M., 2017, Field Guide for the Identification of Damage on Woody Sentinel Plants. Roques, A., Cleary, M., Matsiakh, I. & Eschen, R. (eds.). Wallingford, Oxfordshire: CABI Publishing, p. 248-262 15 p.

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

  281. Published

    Do silver fir woolly adelgids (Dreyfusia nordmannianae) facilitate pathogen infestation with Neonectria neomacrospora on Christmas trees (Abies nordmanniana)?

    Xu, Jing, Budde, K. B., Hansen, Ole Kim, Thomsen, Iben Margrete, Ravn, Hans Peter & Nielsen, Ulrik Braüner, 2018, In: Forest Ecology and Management. 424, p. 396-405 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

ID: 4238183