Hans Peter Ravn

Research output

Research output per year 1984 2004 2005 2006 2007 2008 2019

• 187 Journal article
• 17 Report
• 8 Article in proceedings
• 8 Other contribution
• 46 More
  • 7 Book
  • 6 Conference abstract in proceedings
  • 5 Book chapter
  • 5 Poster
  • 4 Paper
  • 3 Report chapter
  • 3 Conference abstract for conference
  • 3 Memorandum
  • 3 Net publication - Internet publication
  • 2 Contribution to newspaper - Feature article
  • 1 Comment/debate
  • 1 Conference article
  • 1 Contribution to newspaper - Comment/debate
  • 1 Literature review
  • 1 Working paper

Research output per year

Research output per year

Search results

• 2013

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

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

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

  10 Citations (Scopus)

• Fangstbaljer til reduktion af af musegnav?

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

  Research output: Contribution to journal › Journal article › Communication

• Forårsafløvninger i eg

  Ravn, H. P., 2013, In: Skoven. 9, p. 381-383 3 p.

  Research output: Contribution to journal › Journal article › Communication

• 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, H. P., 2013. 2 p.

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

• Neonectria ædelgrankræft II: værtplanter og samspil med insekter

  Talgø, V., Thomsen, I. M. & Ravn, H. P., 2013, In: Videnblade Pyntegrønt. 5.6-26, 2 p.

  Research output: Contribution to journal › Journal article › Communication

• Ny aggressiv barkbille på nobilis og andre Abies-arter

  Ravn, H. P., 2013, In: Nåledrys. 85, p. 50-53 4 p.

  Research output: Contribution to journal › Journal article › Communication

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

  Ravn, H. P., 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
• 2012

  Asiatiske træbukke i Norditalien: erfaringer med bekæmpelse

  Ravn, H. P., 2012, In: Videnblade Skov og Natur. 8.10-20, 2 p.

  Research output: Contribution to journal › Journal article › Communication

• Asiatisk træbuk i USA: erfaringer med bekæmpelse

  Ravn, H. P., 2012, In: Videnblade Skov og Natur. 8.10-19, 2 p.

  Research output: Contribution to journal › Journal article › Communication

• Asiatisk træbuk og citrustræbuk I: biologi og værtplanter

  Ravn, H. P., Thomsen, I. M., Scheel, C. & Stenstrup, L. T., 2012, In: Videnblade Skov og Natur. 8.10-17, 2 p.

  Research output: Contribution to journal › Journal article › Communication

• Asiatisk træbuk og citrustræbuk II: modforholdsregler mod etablering

  Thomsen, I. M., Ravn, H. P., Scheel, C. & Stenstrup, L. T., 2012, In: Videnblade Skov og Natur. 8.10-18, 2 p.

  Research output: Contribution to journal › Journal article › Communication

• Forårsafløvninger af eg: de vigtigste insekter

  Ravn, H. P. & Thomsen, I. M., 2012, In: Videnblade Skov og Natur. 8.10-21, 2 p.

  Research output: Contribution to journal › Journal article › Communication

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

  Duncker, P. S., Raulund-Rasmussen, K., Gundersen, P., Katzensteiner, K., Jong, J. D., Ravn, H. P., 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

  113 Citations (Scopus)

• 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, H. P., Grégoire, J-C., de Biseau, J-C. & Maes, D., Jul 2012, In: Diversity and Distributions. 18, 7, p. 717-725 9 p.

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

  189 Citations (Scopus)

• Miljøvenlig bekæmpelse af almindelig ædelgranlus

  Ravn, H. P., 2012, 22 p.

  Research output: Book/Report › Report › Research

• Sitkabladlus, klimaændringer og sitkadyrkning i Danmark

  Hansen, J. K., Harding, S., Jensen, V. & Ravn, H. P., 2012, In: Skoven. 44, 2, p. 90-94 5 p.

  Research output: Contribution to journal › Journal article › Research

• Stor lærkebarkbille: udbredt, men af begrænset økonomisk betydning

  Ravn, H. P., 2012, In: Videnblade Skov og Natur. 8.10-22, 2 p.

  Research output: Contribution to journal › Journal article › Communication

• Stor lærkebarkbille i Danmark: opdatering af udbredelsen

  Ravn, H. P., 2012, In: Skoven. 4, p. 194-196 3 p.

  Research output: Contribution to journal › Journal article › Communication

• Stribet vedborer kan angribe friskskovet træ

  Ravn, H. P., Thomsen, I. M. & Harding, S., 2012, In: Skoven. 3, p. 145-147 3 p.

  Research output: Contribution to journal › Journal article › Research

• Sygdomme og skadedyr på kirkegårdens træer

  Kristoffersen, P., Thomsen, I. M., Ravn, H. P. & Tvedt, T. S., 2012, In: Videnblade Park og Landskab. 5.1-21, 2 p.

  Research output: Contribution to journal › Journal article › Communication

• Trusler mod buksbom som prydplante og pyntegrønt

  Thomsen, I. M., Talgø, V., Ravn, H. P. & Leonhard, B., 2012, In: Nåledrys. 79, p. 50-57 8 p.

  Research output: Contribution to journal › Journal article › Communication

• Valuable seed destroyed by insects

  Rosenberg, O., Ylioja, T., Ravn, H. P., 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
• 2011

  Angreb af stribet vedborer: ingen "sikre perioder"

  Ravn, H. P., Thomsen, I. M. & Harding, S., 2011, In: Videnblade Skov og Natur. 8.10-16, 2 p.

  Research output: Contribution to journal › Journal article › Communication

• Betydning af forskelle i resistens mod sitkabladlus

  Hansen, J. K., Harding, S., Ravn, H. P., Jensen, V. & Thomsen, I. M., 2011, In: Videnblade Skov og Natur. 8.10-15, 2 p.

  Research output: Contribution to journal › Journal article › Communication

• Bynke-ambrosie

  Buttenschøn, R. M., Holst, N. & Ravn, H. P., 2011, In: Videnblade Skov og Natur. 4.10-3, 2 p.

  Research output: Contribution to journal › Journal article › Communication

• Detecting arthropod intraguild predation in the field

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

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

  • biological control agents 100%
  • arthropods 99%
  • predation 86%
  • digestive system 58%
  • predatory arthropods 53%
  25 Citations (Scopus)

• 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, H. P. & Schroeder, L. M., Dec 2011, In: Climatic Change. 109, 3-4, p. 695-718 24 p.

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

  55 Citations (Scopus)

• Nyttedyrene i juletræskulturen - kend dine gratis hjælpere

  Ravn, H. P., 2011, In: Nåledrys. 77, p. 40-47 8 p.

  Research output: Contribution to journal › Journal article › Communication

• Resistens hos almindelig ædelgranlus?

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

  Research output: Contribution to journal › Journal article › Communication

• Samenschädlinge beißen zu

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

  Research output: Contribution to journal › Journal article › Communication

• Skadedyr i kristtorn

  Ravn, H. P., 2011, In: Nåledrys. 75, p. 14-19 6 p.

  Research output: Contribution to journal › Journal article › Communication
• 2010

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

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

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

• Ædelgranknopvikleren: en overset viklerart på nordmannsgran

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

  Research output: Contribution to journal › Journal article › Communication

• Ædelgranknopvikleren - en overset viklerart på nordmansgran

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

  Research output: Contribution to journal › Journal article › Communication

• Brun ædelgranbladlus

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

  Research output: Contribution to journal › Journal article › Communication

• Brun ædelgranbladlus: biologi og skader

  Ravn, H. P., 2010, In: Videnblade Pyntegrønt. 5.5.17, 2 p.

  Research output: Contribution to journal › Journal article › Communication

• Brun ædelgranbladlus: bekæmpelse

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

  Research output: Contribution to journal › Journal article › Communication

• Bynke-ambrosie

  Buttenschøn, R. M., Holst, N. & Ravn, H. P., 2010, In: Videnblade Park og Landskab. 6.0-26, 2 p.

  Research output: Contribution to journal › Journal article › Communication

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

  Howe, A. & Ravn, H. P., 2010. 1 p.

  Research output: Contribution to conference › Poster › Research

  58 Downloads (Pure)

• Nyt om frøinsekter

  Ravn, H. P. & Ditlevsen, B., 2010, In: Nåledrys. 71, p. 35 1 p.

  Research output: Contribution to journal › Journal article › Communication

• Oldenborreangreb i juletræskulturer

  Ravn, H. P., 2010, In: Videnblade Pyntegrønt. 5.5-39, 2 p.

  Research output: Contribution to journal › Journal article › Communication

• Oldenborre-år?

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

  Research output: Contribution to journal › Journal article › Communication

• Pragtbille på pære og tjørn

  Ravn, H. P., 2010, In: Skoven. 6-7, p. 296-297 2 p.

  Research output: Contribution to journal › Journal article › Communication

• 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, H. P., 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

• 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, H. P., 2010. 1 p.

  Research output: Contribution to conference › Poster › Research

  7 Downloads (Pure)

• Ulden ædelgranlus - forekom udbredt i nordmannsgran i 2010

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

  Research output: Contribution to journal › Journal article › Communication
• 2009

  Denmark

  Bentsen, N. S., Madsen, P. & Ravn, H. P., 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

• Effects of different weed control methods on flora and fauna

  Ravn, H. P. & Riis-Nielsen, T., 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

• Frøinsekter i Abies

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

  Research output: Contribution to journal › Journal article › Communication

  1543 Downloads (Pure)

• Lindebladhvepsen Caliroa annulipes

  Bühler, O. & Ravn, H. P., 2009, In: Videnblade Park og Landskab. 5.28-16, 2 p.

  Research output: Contribution to journal › Journal article › Communication