Aarhus University Seal / Aarhus Universitets segl

Christian Kjær

  1. 2021
  2. Published

    Arter 2019 : NOVANA. / Kjær, Christian; Nygaard, Bettina; Therkildsen, Ole Roland; Elmeros, Morten; Bladt, Jesper; Mikkelsen, Peter.

    Aarhus Universitet, DCE - Nationalt Center for Miljø og Energi, 2021. 40 p.

    Research output: Book/anthology/dissertation/reportReportCommissioned

  3. Published

    Vandløb 2019 : Økologisk tilstand. NOVANA. / Kallestrup, Helena; Kjær, Christian; Bruus, Marianne.

    Aarhus Universitet, DCE - Nationalt Center for Miljø og Energi, 2021. 22 p.

    Research output: Book/anthology/dissertation/reportReportCommissioned

  4. 2020
  5. Published

    Modelling risk of competitive effects from honeybees on wild bees. / Sørensen, Peter Borgen; Strandberg, Beate; Bruus, Marianne; Kjær, Christian; Larsen, Søren; Hansen, Rikke Reisner; Damgaard, Christian F.; Strandberg, Morten.

    In: Ecological Indicators, Vol. 118, 106749, 11.2020.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  6. Published

    Pesticide risk indicator for terrestrial adult stages of aquatic insects. / Sørensen, Peter Borgen; Kjær, Christian; Wiberg-Larsen, Peter; Bruus, Marianne; Strandberg, Beate; Rasmussen, Jes; Damgaard, Christian Frølund; Larsen, Søren Erik; Strandberg, Morten Tune.

    In: Ecological Indicators, Vol. 118, 11.2020, p. 106718.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  7. Published

    Terrestrial adult stages of freshwater insects are sensitive to insecticides. / Bruus, Marianne; Rasmussen, Jes Jessen; Strandberg, Morten Tune; Strandberg, Beate; Sørensen, Peter Borgen; Larsen, Søren Erik; Kjær, Christian; Lorenz, Stefan; Wiberg-Larsen, Peter.

    In: Chemosphere, Vol. 239, 124799, 01.2020.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  8. Published

    Implications of heathland management for ant species composition and diversity : Is heathland management causing biotic homogenization? / Hansen, Rikke Reisner; Nielsen, Knud Erik; Offenberg, Joachim; Damgaard, Christian; Byriel, David; Schmidt, Inger Kappel; Sørensen, Peter Borgen; Kjær, Christian; Strandberg, Morten Tune.

    In: Biological Conservation, Vol. 242, 108422, 2020.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  9. Published

    Insekters tilbagegang : hvilke insekter går tilbage, hvorfor og hvad kan der gøres? / Kjær, Christian; Ehlers, Bodil; Bruus, Marianne; D. D. Hansen, Morten; Hansen, Rikke Reisner; Holmstrup, Martin; Høye, Toke Thomas; Jensen, John; Offenberg, Joachim; Strandberg, Beate; Strandberg, Morten Tune; Wiberg-Larsen, Peter.

    Roskilde : DCE-Nationalt Center for Miljø og Energi, Aarhus Universitet, 2020. 90 p. (Videnskabelig rapport fra DCE - Nationalt Center for Miljø og Energi; No. 388).

    Research output: Book/anthology/dissertation/reportReportResearch

  10. 2019
  11. Published

    Status for forskning og anvendelse af gene drives i Danmark, herunder potentielle anvendelser. / Madsen, Claus Krogh; Damgaard, Christian; Kjær, Christian.

    No. 2019-760-001329, 2019. 5 p., Oct 21, 2019.

    Research output: Memorandum/expositionMemorandum

  12. Published

    Oversigt og status for de danske sommerfuglearter. / Høye, Toke Thomas; Olsen, Kent; Moeslund, Jesper Erenskjold; Strandberg, Morten Tune; Kjær, Christian.

    2019. 8 p.

    Research output: Memorandum/expositionQuestion & Answer/hearing

  13. Published
  14. Submitted

    Pesticide effects on adult freshwater insects. / Strandberg, Beate; Bruus, Marianne; Kjær, Christian; Wiberg-Larsen, Peter; Rasmussen, Jes; Sørensen, Peter Borgen; Larsen, Søren Erik; Strandberg, Morten Tune.

    In: Environmental Impact Assessment Review, 2019.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  15. Published

    Use "Risk of system failure" rather than additive aggregation methods of indicators when assessing habitat quality. / Damgaard, Christian; Strandberg, Morten Tune; Kjær, Christian; Sørensen, Peter Borgen.

    In: Ecological Indicators, Vol. 107, 105564, 2019.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  16. 2018
  17. Published
  18. 2015
  19. Published

    Introduktion til danske insektordener. / Kjær, Christian; Offenberg, Hans Joachim; Axelsen, Jørgen Aagaard.

    Aarhus Universitet, 2015. 48 p.

    Research output: Book/anthology/dissertation/reportBookEducation

  20. 2014
  21. Published

    Generalisering og validering af model for afdrift af pesticider til læhegn og andre marknære biotoper. / Bruus, Marianne; Løfstrøm, Per; Andersen, Helle Vibeke; Kjær, Christian.

    Miljøstyrelsen, 2014. 76 p. (Bekæmpelsesmiddelforskning fra Miljøstyrelsen, Vol. 147).

    Research output: Book/anthology/dissertation/reportReportResearchpeer-review

  22. Published

    Pesticide drift deposition in hedgerows from multiple spray swaths. / Kjær, Christian; Bruus, Marianne; Bossi, Rossana; Løfstrøm, Per; Andersen, Helle Vibeke; Nuyttens, David ; Larsen, Søren Erik.

    In: Journal of Pesticide Science, Vol. 39, 2014, p. 14-21.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  23. 2013
  24. Published

    The OML-SprayDrift model for predicting pesticide drift and deposition from ground boom sprayers. / Løfstrøm, Per; Bruus, Marianne; Andersen, Helle Vibeke; Kjær, Christian; Nuyttens, David ; Astrup, Poul.

    In: Journal of Pesticide Science, Vol. 38, No. 3, 2013, p. 129-138.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  25. 2012
  26. Published
  27. 2010
  28. Published

    Assessment of effects of Bt-oilseed rape on large white butterfly (Pieris brassicae) in natural habitats. / Kjær, Christian; Damgaard, Christian; Lauritzen, Anette J.

    In: Entomologia Experimentalis et Applicata, Vol. 134, No. 3, 2010, p. 304-311.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  29. 2009
  30. Published

    Competitive interactions and the effect of herbivory on Bt-Brassica napus, Brassica rapa and Lolium perenne. / Damgaard, Christian; Kjær, Christian.

    In: Journal of Applied Ecology, Vol. 46, 2009, p. 1073–1079.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  31. Published

    Geographiccaly based indicator for pesticide risk. / Kjær, Christian.

    Multiple Stressors Conference: Novel methods for integrated risk assessment. ed. / Hans Løkke. National Environmental Research Institute, Aarhus University, 2009. p. 69.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  32. Published

    How to Guide and Assess Risk Reduction using Risk Characterization Indicators. / Sørensen, Peter Borgen; Brüggemann, Rainer; Thomsen, Marianne; Gyldenkærne, Steen; Kjær, Christian.

    In: American Journal of Applied Sciences, 2009, p. 1255-1263.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  33. 2008
  34. Published

    Improved indicators and monitoring of pesticide use. / Sørensen, Peter Borgen; Kjær, Christian; Kudsk, Per; Jørgensen, Lise Nistrup; Ørum, Jens Erik; Stjernholm, Michael; Gyldenkærne, Steen.

    2008. Abstract from Pesticiders effekter på terrester mångfald, Swedish University of Agricultural Sciences, Uppsala, Sweden.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  35. Published

    Herbicide drift into hedgerows: Extent, effects and mitigation. / Bruus Pedersen, Marianne; Strandberg, Beate; Kjær, Christian; Løfstrøm, Per; Andersen, Helle Vibeke.

    2008. Abstract from SETAC Europe 18th Annual Meeting, Warsaw, Poland.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  36. Published

    Indikator for pesticiders belastning for naturen. / Kjær, Christian; Sørensen, Peter Borgen; Kudsk, Per; Jørgensen, Lise Nistrup; Ørum, Jens Erik; Stjernholm, Michael; Gyldenkærne, Steen.

    In: Miljoeprojekter, Vol. 1248, 2008.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleCommissioned

  37. Published

    Omfang og effekt af herbicidafdrift til læhegn. / Bruus, Marianne; Andersen, Helle Vibeke; Løfstrøm, Per; Kjær, Christian; Glasius, Marianne; Jensen, Bjarne; Strandberg, Morten Tune; Bak, Jesper Leth; Hansen, Kaj Mantzius; Bossi, Rossana.

    In: Bekaempelsesmiddelforskning fra Miljoestyrelsen, Vol. 120, 2008, p. 1-86.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearch

  38. Published

    Sound construction of risk indicators. / Sørensen, Peter Borgen; Kjær, Christian; Thomsen, Marianne.

    2008. Poster session presented at Integrating Environmental Science in Decision Making - EnviroSymp 2008, Roskilde, Denmark.

    Research output: Contribution to conferencePosterResearch

  39. 2007
  40. Published

    Assessing the extent and effects of herbicide drift into Danish hedgerows. / Bruus, M.; Strandberg, M. T.; Andersen, H. V.; Løfstrøm, P.; Kjær, C.

    2007. Poster session presented at SETAC Europe 17th Annual Meeting, Porto, Portugal.

    Research output: Contribution to conferencePosterResearch

  41. Published

    Effects of cypermethrin spray drift on pollination and fruiting of Hawthorn (Crataegus monogyna Jacq. Rosaceae). / Strandberg, M. T.; Gammeltoft, S.; Kjær, C.; Pedersen, Marianne Bruus.

    2007. Poster session presented at SETAC Europe 17th Annual Meeting, Porto, Portugal.

    Research output: Contribution to conferencePosterResearch

  42. Published

    Indikatoren behandlingshyppighed (BH) som mål for pesticidbehandlingens miljøbelastning. / Kjær, C.; Sørensen, P. B.; Kudsk, P.; Jørgensen, L. N.

    Ministeriet for Fødevarer, Landbrug og Fiskeri, 2007. 47 p.

    Research output: Book/anthology/dissertation/reportReportCommissioned

  43. Published

    Ny indikator vil pege på følsomme områder. / Kjær, C.

    In: LandbrugsAvisen, Vol. 50, 14. december, 2007, p. 8.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperContribution to newspaper - Newspaper article

  44. 2006
  45. Published

    Assessing the extent and effects of herbicide drift into Danish hedgerows. / Pedersen, Marianne Bruus; Andersen, H. V.; Strandberg, M. T.; Kjær, C.

    2006. Poster session presented at SETAC Europe 16th Annual Meeting, The Hague, Netherlands.

    Research output: Contribution to conferencePosterResearch

  46. Published

    Effects on hawthorn the year after simulated spray drift. / Kjær, C.; Strandberg, M. T.; Erlandsen, M.

    In: Chemosphere, Vol. 63, 2006, p. 853-859.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  47. Published

    Metsulfuron spray drift reduces fruit yield of hawthorn (Crataegus monogyna L.). / Kjær, C.; Strandberg, M. T.; Erlandsen, M.

    In: Science of the Total Environment, Vol. 356, 2006, p. 228-234.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  48. 2005
  49. Published

    Genmodificerede planter. / Damgaard, C.; Kjellsson, G.; Kjær, C.; Strandberg, B.

    Hovedland, 2005. 88 p. (MiljøBiblioteket, Vol. 7).

    Research output: Book/anthology/dissertation/reportBookCommunication

  50. Published

    Herbivory and plant community dynamics: Competitive interactions between an insect-resistant and an insect-susceptible Arabidopsis thaliana genotype. / Damgaard, C.; Borksted, B.; Kjær, C.

    In: Journal of Plant Interactions, Vol. 1, No. 2, 2005, p. 83-91.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  51. Published

    Interactive effects of copper pollution, competition and drought on plant growth. / Pedersen, Marianne Bruus; Kjær, C.

    2005. Poster session presented at SETAC Europoe 15th Annual Meeting, Lille, France.

    Research output: Contribution to conferencePosterResearch

  52. 2004
  53. Published

    Effekten af sprøjtemiddelafdrift på buske og træer i læhegn. / Kjær, C.; Strandberg, M. T.; Erlandsen, M.

    Miljøstyrelsen, 2004. 62 p. (Bekæmpelsesmiddelforskning, Vol. 92).

    Research output: Book/anthology/dissertation/reportReportCommissioned

  54. Published

    Toxicity Testing of Fifteen Non-crop Plant Species with Six Herbicides in a Greenhouse Experiment:Implications for Risk Assessment. / Boutin, C.; Elmegaard, N.; Kjær, C.

    In: Ecotoxicology, Vol. 13, No. 4, 2004, p. 349-369.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  55. 2003
  56. Published

    Bliver læhegnet påvirket af, at marken sprøjtes? / Kjær, C.; Strandberg, M. T.; Elmegaard, N.

    In: Ny Viden fra Miljøstyrelsen, Vol. 5, No. 1, 2003, p. 20-24.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleCommunication

  57. Published

    Environmental Risk Assessment of Genetically Modified Organisms (GMOs) : Identification of Data Needs. / Strandberg, B.; Kjær, C.; Hindar, K.; Tømmerås, B. Å.

    Espoo: NORDTEST, 2003. (Uden navn, Vol. NT TECHN REPORT 523).

    Research output: Book/anthology/dissertation/reportReportCommissioned

  58. Published

    Toxicity of eight polycyclic aromatic compounds to the red clover (Trifolium pratense), ryegrass (Lolium perenne), and mustard (Sinapsis alba). / Sverdrup, L. E.; Krogh, P. H.; Nielsen, T.; Kjær, C.; Stenersen, J.

    In: Chemosphere, Vol. 53, 2003, p. 993-1003.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  59. 2002
  60. Published

    Bliver læhegnet påvirket af, at markerne sprøjtes? / Kjær, C.; Strandberg, M.; Elmegaard, N.; Kjær, C. (Editor); Strandberg, M. (Editor); Elmegaard, N. (Editor).

    Bekæmpelsesmiddelforskning fra Miljøstyrelsen. Miljøstyrelsen, 2002. (Bekæmpelsesmiddelforskning fra Miljøstyrelsen, Vol. 60).

    Research output: Contribution to book/anthology/report/proceedingReport chapterCommissioned

  61. Published

    Effekter af sprøjtemiddelafdrift på bærbærende buske og træer som indikator for biodiversitetsforandringer : Pilotforsøg som oplæg til forsøgsplanlægning. / Kjær, C.; Strandberg, M.; Elmegaard, N.; Larsen, S.

    Miljøstyrelsen, 2002. 57 p. (Bekæmpelsesmiddelforskning fra Miljøstyrelsen, Vol. 60).

    Research output: Book/anthology/dissertation/reportReportCommissioned

  62. Published

    Proceedings of the 11th International Symposium on Insect-Plant Relationships(SIP11), LO-skolen Helsingør, Denmark, August 4-10, 2001. / Nielsen, J. K.; Kjær, C.; Schoonhoven, L. M. (Editor).

    Kluwer Academic Publishers, 2002. 259 p. (Series Entomologia, Vol. 57).

    Research output: Book/anthology/dissertation/reportAnthologyResearch

  63. 2001
  64. Published

    Phytochemical Responses to Herbicide Exposure and Effects on Herbivorous Insects. / Kjær, C.; Elmegaard, N.; Pedersen, Marianne Bruus; Damgaard, Christian; Kvist Nielsen, J.

    Miljøstyrelsen, 2001. 96 p. (Pesticides Research, Vol. 55).

    Research output: Book/anthology/dissertation/reportReportCommissioned

  65. Published

    Relationships between Sulfonylurea Herbicide Treatment of Host Plants and the Performance of Herbivorous Insects. / Kjær, C.; Heimbach, U.

    In: Pest Management Science, Vol. 57, 2001, p. 1161-1166.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  66. Published

    Sprøjtegifte påvirker planternes egne forsvarsstoffer. / Kjær, C.

    In: Ny Viden fra Miljøstyrelsen, Vol. 3, No. 4, 2001, p. 19-24.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleCommunication

  67. 2000
  68. Published

    B. Thuringiensis-planter og fødekædeeffekter. / Kjær, C.; Hendriksen, N. B. (Editor); Hansen, B. M. (Editor).

    Arbejdsrapport fra DMU. Danmarks Miljøundersøgelser, Aarhus Universitet, 2000. p. 18-19 (Arbejdsrapport fra DMU, Vol. 128).

    Research output: Contribution to book/anthology/report/proceedingReport chapterCommissioned

  69. Published

    Effekter på flora (SC 4/WG 3) (Biologiske metoder). / Kjær, C.

    Standardisering på jordområdet. Dansk Standard, 2000.

    Research output: Contribution to book/anthology/report/proceedingReport chapterCommissioned

  70. Published

    Hvad betyder tilgængeligheden af forureningskomponenter i jord og affald i vurderingen af risikoen for dyr og planter? / Jensen, J.; Pedersen, Marianne Bruus; Scott-Fordsmand, J.; Krogh, P. H.; Kjær, C.; ATV-Fonden for Jord og grundvand (Editor).

    Vintermøde om Grundvandsforurening: Vingstedcentret 7.-8. marts 2000. ed. / ATV-Fonden for Jord og grundvand. ATV-Fonden for Jord og grundvand, 2000. p. 245-253.

    Research output: Contribution to book/anthology/report/proceedingReport chapterCommissioned

  71. Published

    Kan insektresistens i genetisk modificerede afgrøder påvirke markens fødekæder? / Kjær, C.; Axelsen, J. A.; Elmegaard, N.; Skov- og Naturstyrelsen (Editor).

    http://www.sns.dk/natur/bioteknologi/insektres_art.htm (8. januar 2001).. ed. / Skov- og Naturstyrelsen. Skov- og Naturstyrelsen, 2000.

    Research output: Contribution to book/anthology/report/proceedingBook chapterCommunication

  72. Published

    Toxicity and Bioaccumulation of Copper to Black Bindweed (Fallopia convolvulus) in Relation to Bioavailability and the Age of Soil Contamination. / Pedersen, Marianne Bruus; Kjær, C.; Elmegaard, N.

    In: Archives of Environmental Contamination and Toxicology, Vol. 39, 2000, p. 431-439.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  73. Published

    Økotoksikologisk karakterisering af jord og forurenede grunde (SC 7/WG 3) (Vurdering af jord og grunde). / Kjær, C.

    Standardisering på jordområdet. Dansk Standard, 2000.

    Research output: Contribution to book/anthology/report/proceedingReport chapterCommissioned

  74. 1999
  75. Published

    Are we Analysing Knockdown in the Right Way? How Independence of the Knockdown-Recovery Process from Mortality may Affect Measures for Behavioural Effects in Pesticide Bioassays. / Jagers op Akkerhuis, G. A. J. M.; Seidelin, N.; Kjær, C.

    In: Pest Management Science, Vol. 55, 1999, p. 62-68.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  76. Published

    Comparison of the Toxicity of Dimethoate and Cypermethrin in the Laboratory and the Field when Applying the Same Bioassay. / Jagers op Akkerhuis, G. A. J. M.; Damgaard, C.; Kjær, C.; Elmegaard, N.

    In: Environmental Toxicology and Chemistry, Vol. 18, No. 10, 1999, p. 2379-2385.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  77. Published

    Ecological Risk Assessment of Genetically Modified Higher Plants (GMHP) : Identification of Data Needs. / Kjær, C.; Damgaard, C.; Kjellsson, G.; Strandberg, B.; Strandberg, M.

    National Environmental Research Institute, 1999. 32 p. (NERI Technical Report; No. 303).

    Research output: Book/anthology/dissertation/reportReportCommissioned

  78. Published

    Gene Flow Among Populations of the Leafbeetle Species Gastrophysa polygoni and Lochmaea suturalis in Denmark (Coleoptera: Chrysomelidae). / Simonsen, V.; Elmegaard, N.; Kjær, C.; Nielsen, B. O.

    In: Entomologia Generalis, Vol. 23, No. 4, 1999, p. 271-279.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  79. Published

    Proposal for a Test Protocol for Genetically Modified Plants. / Strandberg, B.; Kjær, C.

    TemaNord : Environment. Copenhagen: Nordic Councils of Ministers, 1999. p. 96-97 (TemaNord, Vol. 1999:542).

    Research output: Contribution to book/anthology/report/proceedingReport chapterCommissioned

  80. Published

    Temperature-Dependent, Time-Dose-Effect Model for Pesticide Effects on Growing, Herbivorous Arthropods : Bioassays with Dimethoate and Cypermethrin. / Jagers op Akkerhuis, G. A. J. M.; Kjær, C.; Damgaard, C.; Elmegaard, N.

    In: Environmental Toxicology and Chemistry, Vol. 18, No. 10, 1999, p. 2370-2378.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  81. 1998
  82. Published

    A temperature dependent, time-dose-effect model for pesticide effects on growing, herbivorous arthropods; Bioassays with dimethoate and cypermethrin. / Jagers op Akkerhuis, G. A. J. M.; Kjær, Christian; Damgaard, Christian; Elmegaard, Niels.

    Population toxicology: Extrapolations from laboratory to field: Pesticides Research no. 40, Danish Environmental Protection Agency. 1998.

    Research output: Contribution to book/anthology/report/proceedingReport chapterResearch

  83. Published

    Effects of Soil Copper on Black Bindweed (Fallopia convolvulus) in the Laboratory and in the Field. / Kjær, C.; Bruus, Marianne; Elmegaard, N.

    In: Archives of Environmental Contamination and Toxicology, Vol. 35, 1998, p. 14-19.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  84. Published

    Field validation of a laboratory based model for pesticide effects. / Jagers op Akkerhuis, G. A. J. M.; Damgaard, Christian; Kjær, Christian; Elmegaard, Niels.

    Population toxicology: Extrapolations from laboratory to field: Pesticides Research no. 40, Danish Environmental Protection Agency.. 1998.

    Research output: Contribution to book/anthology/report/proceedingReport chapterResearch

  85. Published

    Gensplejsede planter. / Damgaard, C.; Kjellsson, G.; Kjær, C.; Strandberg, B.

    Danmarks Miljøundersøgelser, Aarhus Universitet, 1998. 37 p. (TEMA-rapport fra DMU, Vol. 23/1998).

    Research output: Book/anthology/dissertation/reportBookCommunication

  86. Published

    Laboratory and Field Investigations of the Influence of Xenobiotics on Terrestrial Arthropods. / Axelsen, J. A.; Krogh, P. H.; Simonsen, V.; Holmstrup, M.; Jagers op Akkerhuis, G.; Kjær, C.; Pedersen, Marianne Bruus; Scott-Fordsmand, J.; Strandberg, B.; Kjær Jacobsen, K.; Jørgensen, E.; Gavor, Z.; Løkke, H. (Editor).

    Report 1997. ed. / H. Løkke. Danish Centre for Ecotoxicological Research, 1998. p. 9-10.

    Research output: Contribution to book/anthology/report/proceedingReport chapterCommissioned

  87. Published

    Population Toxicology : Extrapolations from Laboratory to Field. A Study of the Impact of Insecticide Spraying on a Herbivorous Insect. / Elmegaard, N.; Kjær, C.; Jagers op Akkerhuis, G. A. J. M.

    1998. 106 p. (Pesticides Research, Vol. 40).

    Research output: Book/anthology/dissertation/reportReportCommissioned

  88. Published

    The Impact of Phenology, Exposure, and Instar Susceptibility on Insecticide Effects on a Chrysomelid Beetle Population. / Kjær, C.; Elmegaard, N.; Axelsen, J. A.; Andersen, P. N.; Seidelin, N.

    In: Pest Management Science, Vol. 52, 1998, p. 361-371.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  89. Published

    Towards Predicting Pesticide Deposition from Plant Phenology : A Study in Spring Barley. / Jagers op Akkerhuis, G. A. J. M.; Axelsen, J. A.; Kjær, C.

    In: Pest Management Science, Vol. 53, 1998, p. 252-262.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  90. 1997
  91. Published

    Global Solar Radiation as the Factor Controlling Induction of Diapause in the Pod Midge (Dasyneura brassicae Winn.). / Axelsen, J. A.; Fink, R.; Kjær, C.

    In: Oecologia, Vol. 111, 1997, p. 178-182.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  92. Published

    Kan man forudsige giftstoffers effekt på planter og smådyr i jorden? / Axelsen, J. A.; Scott-Fordsmand, J. J.; Holmstrup, M.; Kjær, C.; Krogh, P. H.; Pedersen, Marianne Bruus; Simonsen, V.; Strandberg, B.

    Miljøforskning. 1997. p. 7-20 (Miljøforskning, Vol. 32).

    Research output: Contribution to book/anthology/report/proceedingReport chapterCommissioned

  93. 1996
  94. Published

    Effect of Herbicide Treatment on Host Plant Quality for a Leaf-Eating Beetle. / Kjær, C.; Elmegaard, N.

    In: Pest Management Science, Vol. 47, 1996, p. 319-325.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  95. Published

    Effects of Copper Sulfate on Black Bindweed (Polygonum convolvulus L.). / Kjær, C.; Elmegaard, N.

    In: Ecotoxicology and Environmental Safety, Vol. 33, 1996, p. 110-117.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  96. 1995
  97. Published

    Effekter af subletale doser af herbicider på samspillet mellem ukrudt og insekter. / Elmegaard, N.; Kjær, C.

    SP rapport. Statens Planteavlsforsøg, 1995. p. 19-25 (SP rapport, Vol. 3).

    Research output: Contribution to book/anthology/report/proceedingReport chapterCommissioned

  98. Published

    The Toxic Effects of Direct Pesticide Exposure for a Nontarget Weed-Dwelling Chrysomelid Beetle (Gastrophysa polygoni) in Cereals. / Kjær, C.; Jepson, P. C.

    In: Environmental Toxicology and Chemistry, Vol. 14, No. 6, 1995, p. 993-999.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  99. 1994
  100. Published

    Sublethal Effects of Chlorsulfuron on Black Bindweed (Polygonum convolvulus L.). / Kjær, C.

    In: Weed Research, Vol. 34, 1994, p. 453-459.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  101. Published

    The Impact of Pesticides on Interactions Between Weeds and Insects. / Kjær, C.

    National Environmental Research Institute. Department of Terrestrial Ecology, 1994. 54 p.

    Research output: Book/anthology/dissertation/reportPh.D. thesis

  102. 1992
  103. Published

    Dispersive flight of the cabbage stem weevil. / Kjær, C.; Menken, S. B. J. (Editor); Visser, J. H. (Editor); Harrewijn, P. (Editor).

    Series Entomologica. Kluwer Academic Publishers, 1992. p. 109-111 (Series Entomologica, Vol. 49).

    Research output: Contribution to book/anthology/report/proceedingReport chapterCommissioned

  104. Published

    Flight behaviour of the cabbage seedpod weevil. / Kjær, C.

    In: Entomologia Experimentalis et Applicata, Vol. 62, 1992, p. 61-66.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review