Vibeke Langer

Vibeke Langer

Associate Professor, Professor emeritus.

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    ORCID: 0000-0001-6789-1352

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    1. Published

      Biodiversitet og naturkvalitet

      Tybirk, K., Elmegaard, N., Ejrnæs, R., Langer, Vibeke & Holmstrup, M., 2003, Økologisk landbrug og naturen: Gør økologisk landbrug en forskel for natur og miljø?. Holmstrup, M. (ed.). København: Gad, p. 33-42 9 p.

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

    2. Published

      The ¤use of single-species spatially explicit models

      Topping, C. J., Booij, K., Daamen, R. A., Dinter, A., Heimbach, U., Kennedy, P. J., Langer, Vibeke, Perry, J. N., Powell, W., Skirvin, D., Stilmant, D., Thomas, C. F. G. & Winstone, L., 1997, Ikke angivet. W. Powell (ed.). Aarhus Universitetsforlag, p. 171-191 21 p.

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

    3. Published

      Naturressourcer og økologi - øvelseskompendium

      Strobel, Bjarne W., Jensen, Per Moestrup, Hauser, T. P., Bruun, Sander, Vesterdal, Lars, Rasmussen, Jesper, Langer, Vibeke, Kjær, Erik Dahl, Torp, A. M., Pedersen, K. E. & Dalhoff, K., 2016, 12. ed. 105 p.

      Research output: Book/Report › Compendium/lecture notes › Education

    4. Published

      Natur og biodiversitet

      Strandberg, B., Bruus, M., Krogh, P. H., Ravnskov, S., Hansted, L., Sigsgaard, L, Ahrenfeldt, E. J., Andreasen, L. & Langer, Vibeke, 2015, Økologiens bidrag til samfundsgoder: vidensyntese 2015. Melby Jespersen, L. (ed.). ICROFS, p. 49-106 57 p.

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

    5. Published

      Entomopathogenic fungi in predatory beetles (Col. Carabidae and Staphylinidae) from agricultural fields

      Steenberg, T., Langer, Vibeke & Esbjerg, Peter, 1995, In: BioControl. 40, 1, p. 77-85 9 p.

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

    6. Published

      Building the virtual into real exchanges - pilot experiences from LEAFSE, an EU-Australia exchange project

      Sriskandarajah, N. & Langer, Vibeke, 2005, Providing our graduates with a global perspective through real and virtual student exchange. Calderón-Peter, M. & Heath, S. (eds.). Interuniversity Consortium for Agricultural and Related Sciences in Europe (ICA), p. 143-153 11 p.

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

    7. Published

      Økologisk hvidkløver: hvordan kan det lade sig gøre?

      Rohde, B., Langer, Vibeke & Monrad Hansen, L., 2000, In: Dansk frøavl. 9, p. 148-149 2 p.

      Research output: Contribution to journal › Journal article › Communication

    8. Published

      Økologisk jordbrug: struktur, produktion og naturforvaltning

      Risgaard, M. (ed.), Langer, Vibeke (ed.) & Frederiksen, P. (ed.), 2006, Forskningscenter for Økologisk Jordbrug og Fødevaresystemer. 15 p.

      Research output: Book/Report › Report › Communication

    9. Published

      En cocktail af viden og holdninger

      Rasmussen, Jesper & Langer, Vibeke, 26 Jul 2010

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

    10. Published

      Bias in peer review of organic farming grant applications

      Rasmussen, Jesper, Langer, Vibeke & Alrød, H. F., 2006, In: Agriculture and Human Values. 23, 2, p. 181-188 8 p.

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

    11. Published

      Tanker i en lukningstid

      Rasmussen, Jesper & Langer, Vibeke, 2002, In: Jord og Viden. 3, p. 8-9 2 p.

      Research output: Contribution to journal › Journal article › Communication

    12. Published

      Sammenhænge på kryds & tværs

      Rasmussen, Jesper & Langer, Vibeke, 2000, In: Det Levende Universitet. 5, p. 8-9 2 p.

      Research output: Contribution to journal › Journal article › Communication

    13. Published

      Pejling af fremtidens agronomuddannelse

      Rasmussen, Jesper & Langer, Vibeke, 2001, In: Jord og Viden. 146, 18, p. 10-12 3 p.

      Research output: Contribution to journal › Journal article › Communication

    14. Published

      Økologisk jordbrug er anvendelsesorienteret

      Rasmussen, Jesper, Langer, Vibeke & Kristensen, L., 1997, In: Det Levende Universitet. 6, 51, p. 10-11 2 p.

      Research output: Contribution to journal › Journal article › Communication

    15. Published

      Sustainability and biological interactions in a combined food and energy cropping system

      de Neergaard, Andreas, Langer, Vibeke, Kuemmel, B., Føreid, B. & Porter, John Roy, 2000. 1 p.

      Research output: Contribution to conference › Paper › Research

    16. Published

      Energy use in organic, green and conventional pear producing systems - cases from China

      Liu, Y., Langer, Vibeke, Jensen, H. H. & Egelyng, H., 2010, In: Journal of Sustainable Agriculture. 34, 6, p. 630-646 17 p.

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

    17. Published

      Energy efficiency of organic pear production in greenhouses in China

      Liu, Y., Jensen, H. H., Egelyng, H. & Langer, Vibeke, 2010, In: Renewable Agriculture and Food Systems (Print Edition). 25, 3, p. 196-203 8 p.

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

    18. Published

      Life cycle assessment of fossil energy use and greenhouse gas emissions in Chinese pear production

      Liu, Y., Langer, Vibeke, Jensen, H. H. & Egelyng, H., 2010, In: Journal of Cleaner Production. 18, 14, p. 1423-1430 8 p.

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

    19. Published

      A nordic net-based course in agroecology: integrating student learning and teacher collaboration

      Lieblein, G., Moulton, M., Sriskandarajah, N., Christensen, D., Waalen, W., Breland, T. A., Francis, C., Salomonsson, L. & Langer, Vibeke, 2005, In: European Journal of Open, Distance and E-Learning. 1, p. 89-103 15 p.

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

    20. Published

      Building research skills in agroecology: a case study for systems action research

      Lieblein, G., Francis, C., Breland, T. A., Salomonsen, L., Geber, U., Langer, Vibeke & Sriskandarajah, N., 2006. 1 p.

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

    21. Published

      Agroecology: a flagship NOVA program

      Lieblein, G., Bretland, T. A., Francis, C. A., Sriskandarajah, N., Langer, Vibeke, Porter, John Roy, Salomonsen, L., Gerber, U. & Helenius, J., 2005, 10 NOVA University Network Years. The Nordic Forestry, Veterinary and Agricultural University Network, p. 52-53 2 p.

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

    22. Published

      Structural development in Danish agriculture and its implications for farmland nature

      Levin, G., Langer, Vibeke & Frederiksen, P., 2006, Changing European farming systems for a better future: new visions for rural areas : chapter 5. Langeveld, H. & Röling, N. (eds.). Wageningen: Wageningen Academic Publishers, p. 111-117 7 p.

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

    23. Published

      The development of farm size on Danish organic farms - a comment to the conventionalisation debate

      Langer, Vibeke, Frederiksen, P. & Jensen, Jørgen Dejgård, 2005, Researching sustainable systems. Köpke, U., Niggli, U., Neuhoff, D., Cornish, P., Lockeretz, W. & Willer, H. (eds.). p. 1-5 5 p.

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

    24. Published

      Comparing farmland biodiversity in organic and conventional farming systems: making sense and including context

      Langer, Vibeke, Rasmussen, Jesper & Henriksen, C. C. I., 2011, Organic is life knowledge for tomorrow: vol. 2; socio-economy, livestock, food quality, agro-ecology and knowledge dissemination. Proceedings of the third scientific conference of the International Society of Organic Agriculture Research (ISOFAR) . International Society of Organic Agriculture Research (ISOFAR), Vol. 2. p. 350-353 4 p.

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

    25. Published

      Natur i landbrugslandskabet - samfundets forventninger til det økologiske jordbrug: kapitel 15

      Langer, Vibeke & Frederiksen, P., 2008, Udvikling, vækst og integritet i den danske økologisektor: vidensyntese om muligheder og barrierer for fortsat udvikling og markedsbaseret vækst i produktion, forarbejdning og omsætning af økologiske produkter. Alrøe, H. F. & Halberg, N. (eds.). Tjele: ICROFS, p. 449-461 13 p. (ICROFS-rapport; No. 1/2008).

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

    26. Published

      MSc Agriculture students working with ex-campus stakeholders: first experiences and challenges

      Langer, Vibeke, Lund, M. & Bendevis, Mira Arpe, 2014, Farming systems facing global challenges: Capacities and strategies: The 11th European IFSA Symposium, 1-4 April 2014, Berlin, Germany. Aenis, T., Knierim, A., Riecher, M-C., Ridder, R., Schobert, H. & Fischer, H. (eds.). IFSA, p. 514-519 6 p.

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

    27. Published

      Økologiske fødevarer: bæredygtige værdier og praksis

      Langer, Vibeke, 2008, Bæredygtighed for fremtiden. Thostrup, L., Aabo, C., Bakken, M., Bjerno, G. L. & Lund, S. (eds.). Frederiksberg: Det Biovidenskabelige Fakultet for Fødevarer, Veterinærmedicin og Naturressourcer, p. 13 1 p. (Temahæfte 2008).

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

    28. Published

      Parasitoids of the cabbage seed weevil deliver high and consistent parasitism in variable landscapes: A showcase of conservation biocontrol

      Langer, Vibeke & Jensen, Signe Marie, 2024, In: Pest Management Science. 80, 5, p. 2362-2370 9 p.

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

    29. Published

      Factors reducing yield of organic white clover seed production in Denmark

      Langer, Vibeke & Rohde, B., 2005, In: Grass and Forage Science. 60, 2, p. 168-174 7 p.

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

    30. Published

      Strukturudviklingen i økologisk jordbrug - "is small beatiful?"

      Langer, Vibeke & Frederiksen, P., 2008, Økologisk planteavlsberetning 2008. Økologisk Rådgivning, p. 10-12 3 p.

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

    31. Published

      The potential of leys and short rotation coppice hedges as reservoirs for parasitoids of cereal aphids in organic agriculture

      Langer, Vibeke, 2001, In: Agriculture, Ecosystems & Environment. 87, p. 81-92 12 p.

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

    32. Published

      Intercropping for pest management: the ecological concept

      Langer, Vibeke, Kinane, J. & Lyngkjær, M. F., 2007, Ecologically based integrated pest management. Koul, O. & Cuperus, G. W. (eds.). Wallingford: CABI Publishing, p. 74-109 36 p.

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

    33. Published

      Spatial focus of MSc and PhD agricultural research in Denmark, U.S., and Canada

      Langer, Vibeke, Rasmussen, Jesper & Francis, C., 2007, In: Journal of Sustainable Agriculture. 30, 2, p. 29-39 11 p.

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

    34. Published

      Omlægning til økologisk jordbrug i et lokalområde: sammenfatning af de valgte scenarier og deres konsekvenser for natur, miljø og produktion

      Langer, Vibeke, Dalgaard, T., Elmegaard, N., Hasler, B., Heidmann, T., Mogensen, L. & Odderskær, P., 2002, Omlægning til økologisk jordbrug i et lokalområde : scenarier for natur, miljø og produktion. Langer, V., Dalgaard, T., Mogensen, L., Heidmann, T., Elmegaard, N., Odderskær, P. & Hasler (eds.). Foulum: Forskningscenter for Økologisk Jordbrug, p. 9-40 32 p.

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

    35. Published

      På med den grønne hat

      Langer, Vibeke & Høgh-Jensen, H., 2002, In: Det Levende Universitet. 10, 11, p. 9 1 p.

      Research output: Contribution to journal › Journal article › Communication

    36. Published

      Det ¤økologiske jordbrugs natur

      Langer, Vibeke, 1999, Ikke angivet. Secher, K., Brogaard, L. W. & Thorsted, L. (eds.). National Environmental Research Institute, p. 51 1 p.

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

    37. Published

      Konsekvenser af omlægning til økologisk jordbrug for dyrkningsfladens lavere fauna

      Langer, Vibeke & Elmegaard, N., 2002, Omlægning til økologisk jordbrug i et lokalområde : scenarier for natur, miljø og produktion. Langer, V., Dalgaard, T., Mogensen, L., Heidmann, T., Elmegaard, N., Odderskær, P. & Hasler (eds.). Foulum: Forskningscenter for Økologisk Jordbrug, p. 119-138 20 p.

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

    38. Published

      Omlægning til økologisk jordbrug i et lokalområde: scenarier for natur, miljø og produktion

      Langer, Vibeke, Dalgaard, T., Mogensen, L., Heidmann, T., Elmegaard, N., Odderskær, P. & Hasler, B., 2002, Foulum: Forskningscenter for Økologisk Jordbrug.

      Research output: Book/Report › Book › Education

    39. Published

      Omlægning til økologisk jordbrug: konsekvenser for natur og miljø

      Langer, Vibeke, Odderskær, P., Heidmann, T. & Dalgaard, T., 1999, In: Miljøforskning : det strategiske miljøforskningsprogram. 39, p. 21-25 5 p.

      Research output: Contribution to journal › Journal article › Communication

    40. Published

      Økologisk landbrug skal drives af klare mål

      Langer, Vibeke & Rasmussen, Jesper, 1998, Bevar bønderne : en debatbog om miljø og landbrug. Madslund, H. S. (ed.). København: Mellemfolkeligt samvirke, Vol. 1998-99. p. 272-285 15 p. (Det Økologiske Råds årsrapport).

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

    41. Published

      Effects of conversion to organic farming on Danish agricultural landscapes

      Langer, Vibeke, 1998, Landskabsøkologiske skrifter. Agger, P., Bjerregaard, R. & Brandt, J. (eds.). 11 ed. Roskilde University, p. 311-319 9 p.

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

    42. Published

      Insect-crop interactions in a diversified cropping system: parasitism by Aleochara bilineata and Trybliographa rapae of the cabbage root fly, Delia radicum, on cabbage in the presence of white clover

      Langer, Vibeke, 1996, In: Entomologia Experimentalis et Applicata. 80, p. 365-374 10 p.

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

    43. Published

      Ændringer i landbrugslandskabet ved omlægning til økologisk jordbrug

      Langer, Vibeke, 1997, Landskabsøkologiske skrifter. Brandt, J. . . A. . (ed.). 6 ed. Center for Landskabsforskning, Roskilde Universitet, p. 31-43 13 p.

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

    44. Published

      Changes in farm structure following conversion to organic farming in Denmark

      Langer, Vibeke, 2002, In: Renewable Agriculture and Food Systems (Print Edition). 17, 2, p. 75-82 8 p.

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

    45. Published

      Conversion to organic farming: estimated effects on environment and nature based on existing farm data from a study area

      Langer, Vibeke, Odderskær, P., Heidmann, T., Dalgaard, T. & Mogensen, L., 2000. 1 p.

      Research output: Contribution to conference › Paper › Research

    46. Published

      På med "Den grønne hat"

      Langer, Vibeke & Høgh-Jensen, H., 2002, In: KVL mosaik ; (11). 2001, p. 9 1 p.

      Research output: Contribution to journal › Journal article › Communication

    47. Published

      Om muligheden for at intentionerne i Formas økologiske forskningsprogram opfyldes gennem de bevilgede projekter

      Langer, Vibeke & Rasmussen, Jesper, 2003, In: Centrum för uthålligt lantbruk. 6 p.

      Research output: Contribution to journal › Journal article › Research

    48. Published

      Energetic, economic and ecological balances of a combined food and energy system

      Kuemmel, B., Langer, Vibeke, Magid, Jakob, de Neergaard, Andreas & Porter, John Roy, 1998, In: Biomass & Bioenergy. (4/5), p. 407-416 10 p.

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

    49. Published

      Transport is important in the carbon footprint of imported organic plant products

      Knudsen, M. T., Hui, Q. Y., Yan, L., de Almeida, G. F., Santiago de Abreu, L., Halberg, N. & Langer, Vibeke, 2011, In: ICROFS News. 2, p. 4-7 4 p.

      Research output: Contribution to journal › Journal article › Research

    50. Published

      Road verges and winter wheat fields as resources for wild bees in agricultural landscapes

      Henriksen, C. C. I. & Langer, Vibeke, 2013, In: Agriculture, Ecosystems & Environment. 173, p. 66-71 6 p.

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

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