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

    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

  2. Published

    Fænologi og biologisk bekæmpelse af koglehalvmøllet

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

    Research output: Book/Report › Report › Research

  3. Published

    Fænologi og biologisk bekæmpelse af koglehalvmøllet (Dioryctria abietella)

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

    Research output: Contribution to conference › Paper › Research

  4. 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

  5. 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

  6. 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

  7. 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

  8. Published

    Gråsnuder i juletræer og klippegrønt

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

    Research output: Book/Report › Report › Research

  9. 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

  10. 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

  11. 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

  12. 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

  13. 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

  14. 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

  15. 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

  16. 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

  17. Published

    IPM bekæmpelse af almindelig ædelgranlus

    Ravn, Hans Peter, 2016

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

  18. Published

    IPM bekæmpelse af ædelgranbarkbille

    Ravn, Hans Peter, 2016

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

  19. 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

  20. 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

  21. Published

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

    Ravn, Hans Peter, 2005, Hørsholm

    Research output: Other contribution › Communication

  22. 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

  23. Published

    Insektangreb efter stormfald: Stormfaldsmøde i Rebild

    Ravn, Hans Peter, 2005, Hørsholm

    Research output: Other contribution › Communication

  24. Published

    Insektbekæmpelse uden kemi?

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

    Research output: Contribution to conference › Paper › Research

  25. Published

    Insektskader efter stormfald

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

    Research output: Contribution to journal › Journal article › Communication

  26. 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

  27. 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

  28. 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

  29. 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

  30. 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

  31. 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

  32. 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

  33. 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

  34. 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

  35. 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

  36. 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

  37. 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

  38. 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

  39. 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

  40. 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

  41. Published

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

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

    Research output: Other contribution › Communication

  42. 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

  43. Published

    Klassisk biologisk bekæmpelse

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

    Research output: Contribution to journal › Journal article › Communication

  44. 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

  45. 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

  46. 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

  47. 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

  48. 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

  49. 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

  50. 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

  51. 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

  52. 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

  53. 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

  54. 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

  55. 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

  56. Published

    Miljøvenlig bekæmpelse af almindelig ædelgranlus

    Ravn, Hans Peter, 2012, 22 p.

    Research output: Book/Report › Report › Research

  57. 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

  58. 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

  59. 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

  60. 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

  61. 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

  62. 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

  63. 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

  64. 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

  65. 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

  66. 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

  67. 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

  68. 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

  69. 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

  70. 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

  71. 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

  72. 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

  73. 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

  74. 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

  75. 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

  76. 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

  77. 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

  78. Published

    Oldenborreangreb i juletræskulturer

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

    Research output: Contribution to journal › Journal article › Communication

  79. 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

  80. Published

    Opmærksomhed på typograferne

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

    Research output: Contribution to journal › Journal article › Communication

  81. 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

  82. 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

  83. 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

  84. 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

  85. 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

  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

    Phytophagous insects associated with Giant Hogweed in Denmark

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

    Research output: Contribution to conference › Poster › Research

  88. 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

  89. 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

  90. 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

  91. 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

  92. 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

  93. 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

  94. 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

  95. 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

  96. 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

  97. 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

  98. 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

  99. 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

  100. 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

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