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

    "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

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. 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

  10. 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

  11. 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

  12. Published

    Almindelig ædelgranlus: videnblade

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

    Research output: Contribution to journal › Journal article › Communication

  13. 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

  14. 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

  15. 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

  16. 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

  17. 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

  18. 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

  19. 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

  20. 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

  21. 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

  22. 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

  23. 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

  24. 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

  25. 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

  26. 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

  27. 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

  28. 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

  29. 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

  30. 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

  31. 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

  32. 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

  33. 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

  34. 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

  35. 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

  36. 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

  37. Published

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

    Ravn, Hans Peter, 2005, Hørsholm, Danmark

    Research output: Other contribution › Communication

  38. 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

  39. 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

  40. 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

  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

    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

  43. Published

    Bladlusåret 2008

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

    Research output: Contribution to journal › Journal article › Communication

  44. 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

  45. 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

  46. 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

  47. 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

  48. 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

  49. 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

  50. 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

  51. 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

  52. 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

  53. 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

  54. 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

  55. 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

  56. 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

  57. 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

  58. 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

  59. 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

  60. 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

  61. 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

  62. 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

  63. 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

  64. 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

  65. 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

  66. 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

  67. 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

  68. 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

  69. 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

  70. 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

  71. 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

  72. 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

  73. 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

  74. 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

  75. 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

  76. 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

  77. 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

  78. 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

  79. 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

  80. 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

  81. 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

  82. 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

  83. 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

  84. 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

  85. 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

  86. 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

  87. 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

  88. 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

  89. 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

  90. 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

  91. 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

  92. 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

  93. 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

  94. 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

  95. 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

  96. 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

  97. 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

  98. Published

    Forårsafløvninger i eg

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

    Research output: Contribution to journal › Journal article › Communication

  99. 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

  100. 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

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