Christopher John Topping

  1. 2020
  2. Published

    Scientific Opinion of the Scientific Panel on Plant Protection Products and their Residues (PPR Panel) on the genotoxic potential of triazine amine (metabolite common to several sulfonylurea active substances). / EFSA Panel on Plant Protection Products and their Residues (EFSA PPR Panel).

    In: EFSA Journal, Vol. 18, No. 3, e06053, 01.03.2020.

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

  3. Published

    Overhaul environmental risk assessment for pesticides. / Topping, C. J.; Aldrich, A.; Berny, P.

    In: Science, Vol. 367, No. 6476, 01.2020, p. 360-363.

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

  4. Published

    European hares do not avoid newly pesticide-sprayed fields: Overspray as unnoticed pathway of pesticide exposure. / Mayer, Martin; Duan, Xiaodong; Sunde, Peter; Topping, Christopher John.

    In: Science of the Total Environment, Vol. 715, 136977, 2020.

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

  5. 2019
  6. Published

    Landscape-scale simulations as a tool in multi-criteria decision making to support agri-environment schemes. / Topping, Chris; Dalby, Lars; Valdez, Jose.

    In: Agricultural Systems, Vol. 176, 102671, 11.2019.

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

  7. Published

    Scientific statement on the coverage of bats by the current pesticide risk assessment for birds and mammals. / Hernández-Jerez, Antonio; Adriaanse, Paulien; Aldrich, Annette; Berny, Philippe; Coja, Tamara; Duquesne, Sabine; Gimsing, Anne Louise; Marina, Marinovich; Millet, Maurice; Pelkonen, Olavi; Pieper, Silvia; Tiktak, Aaldrik; Tzoulaki, Ioanna; Widenfalk, Anneli; Wolterink, Gerrit; Russo, Danilo; Streissl, Franz; Topping, Christopher; EFSA Panel on Plant Protection Products and their Residues (PPR).

    In: EFSA Journal, Vol. 17, No. 7, e05758, 07.2019.

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

  8. Published

    Using problem formulation for fit-for-purpose pre-market environmental risk assessments of regulated stressors. / Devos, Yann; Craig, Wendy; Devlin, Robert H.; Ippolito, Alessio; Leggatt, Rosalind A.; Romeis, Jörg; Shaw, Richard; Svendsen, Claus; Topping, Christopher J.

    In: EFSA Journal, Vol. 17, No. S1, e170708, 07.2019.

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

  9. Published

    Scientific Opinion on the setting of health-based reference values for metabolites of the active substance terbuthylazine. / Hernandez-Jerez, Antonio F.; Adriaanse, Paulien; Aldrich, Annette Patrizia; Berny, Philippe; Duquesne, Sabine; Gimsing, Anne Louise; Millet, Maurice; Pelkonen, Olavi; Pieper, Silvia; Tiktak, Aaldrik; Topping, Christopher John; Tzoulaki, Ioanna; Widenfalk, Anneli; Wolterink, Gerrit; Kuhl, Thomas; Friel, Anja; Istace, Frederique; Kardassi, Dimitra; Lythgo, Christopher; Serafimova, Rositsa; Coja, Tamara; EFSA Panel on Plant Protection Products and their Residues (PPR).

    In: EFSA Journal, Vol. 17, No. 6, e05712, 06.2019.

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

  10. Published

    Digitale bier kan afsløre uønskede effekter af sprøjtegift. / Dupont, Yoko Luise; Kryger, Per; Axelsen, Jørgen Aagaard; Sørensen, Peter Borgen; Topping, Christopher John.

    In: Aktuel Naturvidenskab, Vol. 1, 03.2019, p. 29-31.

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

  11. Published

    Exposure of non-target small mammals to anticoagulant rodenticide during chemical rodent control operations. / Elmeros, Morten; Bossi, Rossana; Christensen, Thomas Kjær; Kjær, Lene; Lassen, Pia; Topping, Christopher John.

    In: Environmental Science and Pollution Research, Vol. 26, No. 6, 02.2019, p. 6133-6140.

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

  12. Published

    Wing membrane and fur samples as reliable biological matrices to measure bioaccumulation of metals and metalloids in bats. / Mina, Rúben; Alves, Joana; Alves da Silva, António; Natal-da-Luz, Tiago; Cabral, João A.; Barros, Paulo; Topping, Christopher J.; Sousa, José Paulo.

    In: Environmental Pollution, Vol. 253, 2019, p. 199-206.

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

  13. 2018
  14. Published

    Where to go goose hunting? Using pattern-oriented modeling to better understand human decision processes. / Williams, James Henty; Topping, Christopher John; Dalby, Lars; Clausen, Kevin; Madsen, Jesper.

    In: Human Dimensions of Wildlife, Vol. 23, No. 6, 11.2018, p. 533-551.

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

  15. Published

    Ecological Recovery and Resilience in Environmental Risk Assessments at the European Food Safety Authority. / Brock, Theo; Bigler, Franz; Frampton, Geoff; Hogstrand, Christer; Luttik, Robert; Martin-Laurent, Fabrice; Topping, Christopher John; van der Werf, Wopke; Rortais, Agnes.

    In: Integrated Environmental Assessment and Management, Vol. 14, No. 5, 09.2018, p. 586-591.

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

  16. Published

    Rabbit Population Landscape-Scale Simulation to Investigate the Relevance of Using Rabbits in Regulatory Environmental Risk Assessment. / Topping, Christopher J.; Weyman, Gabriel S.

    In: Environmental Modeling & Assessment, Vol. 23, No. 4, 08.2018, p. 415-457.

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

  17. Published

    Scientific Opinion about the Guidance of the Chemical Regulation Directorate (UK) on how aged sorption studies for pesticides should be conducted, analysed and used in regulatory assessments. / EFSA Panel on Plant Protection Products and their Residues (PPR).

    In: EFSA Journal, Vol. 16, No. 8, e05382, 08.2018.

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

  18. Published

    Scientific Opinion on the state of the art of Toxicokinetic/Toxicodynamic (TKTD) effect models for regulatory risk assessment of pesticides for aquatic organisms. / EFSA Panel on Plant Protection Products and their Residues (PPR).

    In: EFSA Journal, Vol. 16, No. 8, e05377, 08.2018.

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

  19. Published

    Scientific opinion on pesticides in foods for infants and young children. / EFSA Panel on Plant Protection Products and their Residues (PPR).

    In: EFSA Journal, Vol. 16, No. 6, e05286, 06.2018.

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

  20. Published

    Ecological recovery and resilience in environmental risk assessments at the European Food Safety Authority. / Brock, Theordorus; Bigler, Franz; Frampton, Geoff; Hogstrand, Christer; Luttik, Robert; Laurent, Fabrice Martin; Topping, Christopher John; Vand den Werf, Wopke; Rortais, Agnes.

    2018. Poster session presented at SETAC Europe 28th Annual Meeting, Rome, Italy.

    Research output: Contribution to conferencePosterResearch

  21. Published

    Applying a biocomplexity approach to modelling farmer decision-making and land use impacts on wildlife. / Malawska, Anna; Topping, Christopher John.

    In: Journal of Applied Ecology, Vol. 55, No. 3, 05.2018, p. 1445-1455.

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

  22. Published

    Scientific Opinion on the state of the science on pesticide risk assessment for amphibians and reptiles. / EFSA Panel on Plant Protection Products and their Residues (PPR).

    In: EFSA Journal, Vol. 16, No. 2, e05125, 01.02.2018.

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

  23. Published

    Exposure of stone marten (Martes foina) and polecat (Mustela putorius) to anticoagulant rodenticides : Effects of regulatory restrictions of rodenticide use. / Elmeros, Morten; Lassen, Pia; Bossi, Rossana; Topping, Christopher J.

    In: Science of the Total Environment, Vol. 612, 15.01.2018, p. 1358-1364.

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

  24. 2017
  25. Published

    Rodenticide exposure of stone marten and polecat: effects of regulatory restrictions and exposure risk modelled on landscapes. / Elmeros, Morten; Lassen, Pia; Bossi, Rossana; Topping, Christopher John.

    2017. Abstract from 32nd European Mustelid Colloquium, Lyon, France.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  26. Published

    Simulation to aid in interpreting biological relevance and setting of population-level protection goals for risk assessment of pesticides. / Topping, Christopher John; Luttik, Robert.

    In: Regulatory Toxicology and Pharmacology, Vol. 89, 10.2017, p. 40-49.

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

  27. Published

    Scientific Opinion addressing the state of the science on risk assessment of plant protection products for in-soil organisms. / EFSA PPR Panel (EFSA Panel on Plant Protection Products and their Residues); Ockleford, Colin; Adriaanse, Paulien; Berny, Philippe; Brock, Theodorus; Duquesne, Sabine; Grilli, Sandro; Hernandez-Jerez, Antonio F.; Bennekou, Susanne Hougaard; Klein, Michael; Thomas, Kuhl; Laskowski, Ryszard; Machera, Kyriaki; Pelkonen, Olavi; Pieper, Silvia; Stemmer, Michael; Sundh, Ingvar; Teodorovic, Ivana; Tiktak, Aaldrik; Topping, Christopher John; Wolterink, Gerrit; Craig, Peter; de Jong, Frank; Manachini, Barbara; Sousa, Paulo; Swarowsky, Klaus; Auteri, Domenica; Arena, Maria; Smith, Robert.

    In: EFSA Journal, Vol. 15, No. 2, e04690-n/a, 22.02.2017.

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

  28. 2016
  29. Published

    Modeling Exposure of Mammalian Predatorsto Anticoagulant Rodenticides. / Topping, Christopher John; Elmeros, Morten.

    In: Frontiers in Environmental Science - Agroecology and Land Use Systems, Vol. 4, 80, 19.12.2016.

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

  30. Published

    A modelling approach to evaluating the effectiveness of Ecological Focus Areas: the case of the European brown hare. / Langhammer, Maria; Grimm, Volker; Putz, Sandro; Topping, Christopher John.

    In: Land Use Policy, Vol. 61, 15.11.2016, p. 63-79.

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

  31. Published

    A mechanistic model to assess risks to honeybee colonies from exposure to pesticides under different scenarios of combined stressors and factors. / European Food Safety Authority.

    In: EFSA Supporting Publications, Vol. 13, No. 7, 28.07.2016.

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

  32. Published

    Evaluating the role of behavioral factors and practical constraints in the performance of an agent-based model of farmer decision making. / Malawska, Anna Katarzyna; Topping, Christopher John.

    In: Agricultural Systems, Vol. 143, 03.2016, p. 136-146.

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

  33. Published

    Anticoagulant rodenticides in four mustelids in relation to food habits and habitat use. / Elmeros, Morten; Lassen, Pia; Topping, Christopher John; Madsen, Aksel Bo.

    2016. Poster session presented at Vildttemadag 2016, Aarhus, Denmark.

    Research output: Contribution to conferencePosterResearch

  34. Published

    Rodenticide exposure risk for predators. / Elmeros, Morten; Topping, Christopher John.

    2016. Poster session presented at Vildttemadag 2016, Aarhus, Denmark.

    Research output: Contribution to conferencePosterResearch

  35. Published

    An example of population-level risk assessments for small mammals using individual-based population models. / Schmitt, Walter; Auteri, Domenica; Bastiansen, Finn; Ebeling, Markus; Lui, Chun; Luttik, Robert; Mastitsky, Sergey; Nacci, Diane; Topping, Christopher John; Wang, Magnus.

    In: Integrated Environmental Assessment and Management, Vol. 12, No. 1, 2016, p. 46-57.

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

  36. Published

    Ecological recovery in ERA. / EFSA Scientific Committee (Scientific Committee), ; Topping, Christopher John.

    In: EFSA Journal, Vol. 14, No. 2, 4313, 2016.

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

  37. Published

    Landscape structure and management alter the outcome of a pesticide ERA: evaluating impacts of endocrine disruption using the ALMaSS European Brown Hare model. / Topping, Christopher John; Dalby, Lars; Skov, Flemming.

    In: Science of the Total Environment, Vol. 541, 2016, p. 1477-1488.

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

  38. 2015
  39. Published

    Towards a landscape scale management of pesticides : ERA using changes in modelled occupancy and abundance to assess long-term population impacts of pesticides. / Topping, Christopher John; Craig, Peter S.; de Jong, Frank; Klein, Michael; Laskowski, Ryszard; Manachini, Barbara; Pieper, Silvia; Smith, Rob; Sousa, Jose Paulo; Streissl, Franz; Swarowsky, Klaus; Tiktak, Aaldrik; van der Linden, Ton.

    In: Science of the Total Environment, Vol. 537, 15.12.2015, p. 159-169.

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

  40. Published

    Per Aspera ad Astra : Through Complex Population Modeling to Predictive Theory. / Topping, Christopher J.; Alroe, Hugo Fjelsted; Farrell, Katharine N.; Grimm, Volker.

    In: American Naturalist, Vol. 186, No. 5, 11.2015, p. 669-674.

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

  41. Published

    Rodenticide exposure risk for predators modelled on landscapes. / Elmeros, Morten; Topping, Christopher John; Lassen, Pia.

    Abstracts 10th European Vertebrate Pest Management Conference. 2015.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedingsResearchpeer-review

  42. Published

    Statement on the suitability of the BEEHAVE model for its potential use in a regulatory context and for the risk assessment of multiple stressors in honeybees at the landscape level. / EFSA PPR Panel (EFSA Panel on Plant Protection Products and their Residues), ; Topping, Christopher John.

    In: EFSA Journal, Vol. 13, No. 6, 4125, 25.06.2015.

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

  43. Published

    Scientific Opinion addressing the state of the science on risk assessment of plant protection products for non-target arthropods. / EFSA PPR Panel (EFSA Panel on Plant Protection Products and their Residues), ; Topping, Christopher John.

    In: EFSA Journal, Vol. 13, No. 2, 3996, 12.02.2015.

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

  44. Published

    Spredning af antikoagulante rodenticider med mus og eksponeringsrisiko for rovdyr. / Elmeros, Morten; Topping, Christopher John; Christensen, Thomas Kjær; Lassen, Pia; Bossi, Rossana.

    Bekæmpelsesmiddelforskning fra Miljøstyrelsen, 2015. 67 p.

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

  45. 2014
  46. Published

    Why do we need to integrate farmer decision making and wildlife models for policy evaluation? / Malawska, Anna Katarzyna; Topping, Christopher John; Nielsen, Helle Ørsted.

    In: Land Use Policy, Vol. 38, 03.2014, p. 732-740.

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

  47. Published

    Recovery based on plot experiments is a poor predictor of landscape-level population impacts of agricultural pesticides. / Topping, Christopher John; Kjær, Lene; Hommen, Udo; Høye, Toke Thomas; Preuss, Thomas G.; Sibly, Richard M.; van Vliet, Peter.

    In: Environmental Toxicology and Chemistry, Vol. 33, No. 7, 2014, p. 1499–1507.

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

  48. Published

    Scientific Opinion on good modelling practice in the context of mechanistic effect models for risk assessment of plant protection products. / Topping (Contributor), Christopher John; EFSA Panel on Plant Protection Products and their Residues (PPR).

    In: The EFSA Journal, Vol. 12, No. 3, 2014, p. 1-92.

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

  49. Published

    Øger økologisk landbrug biodiversiteten? Hovedkonklusioner fra REFUGIA-projektet. / Andersen, Liselotte Wesley; Bruus, Marianne; Jensen, Thomas Secher; Marchi, Chiara; Topping, Christopher John; Damgaard, Christian; Olsen, Kent; Dalgaard, Tommy; Strandberg, Beate.

    In: ICROFS nyt, No. 3, 2014.

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

  50. 2013
  51. Published

    Mighty small: Observing and modeling individual microbes becomes big science. / Kreft, Jan-Ulrich; Plugge, Caroline M.; Grimm, Volker; Prats, Clara; Leveau, Johan H. J.; Banitz, Thomas; Baines, Stephen; Clark, James; Ros, Alexandra; Klapper, Isaac; Topping, Christopher John; Field, Anthony J.; Schuler, Andrew; Litchman, Elena; Hellweger, Ferdi L.

    In: PNAS (Proceedings of the National Academy of Sciences of the United States of America), Vol. 110, No. 45, 05.11.2013, p. 18027-18028.

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

  52. Published

    Anticoagulant rodenticides in four mustelids in relation to food habits and habitat use. / Elmeros, Morten; Lassen, Pia; Topping, Christopher John; Madsen, Aksel Bo.

    2013. Poster session presented at European Vertebrate Pest Management Conference, Turku, Finland.

    Research output: Contribution to conferencePosterResearchpeer-review

  53. Published

    Using agent-based simulation to predict and manage rodenticide resistance development. / Topping, Christopher John; Elmeros, Morten.

    2013. Poster session presented at European Vertebrate Pest Management Conference, Turku, Finland.

    Research output: Contribution to conferencePosterResearchpeer-review

  54. Published

    Development of an Agent-based model to compare the impacts from different OWF development scenarios on Divers. / Petersen, Ib Krag; Topping, Christopher John.

    2013.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  55. Published

    Landscape structure mediates the effects of a stressor on field vole populations. / Dalkvist, Trine; Sibly, Richard M.; Topping, Christopher John.

    In: Landscape Ecology, Vol. 28, 22.08.2013, p. 1961-1974.

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

  56. Published

    Modelling skylarks (Alauda arvensis) to predict impacts of changes in land management and policy: development and testing of an agent-based model. / Topping, Christopher John; Odderskær, Peter; Kahlert, Johnny Abildgaard.

    In: P L o S One, Vol. 8, No. 6, 06.06.2013, p. e65803.

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

  57. Published

    Representing the acquisition and use of energy by individuals in agent-based models of animal populations. / Sibly, RS; Grimm, Volker; Johnston, Alice S.A.; Kułakowska, Katarzyna; Topping, Christopher John; Calow, Peter; Nabe-Nielsen, Jacob; Thorbek, Pernille; DeAngelis, Donald.

    In: Methods in Ecology and Evolution, Vol. 4, No. 2, 02.2013, p. 151-161.

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

  58. 2012
  59. Published

    Post-Hoc Pattern-Oriented Testing and Tuning of an Existing Large Model: Lessons from the Field Vole. / Topping, Christopher John; Dalkvist, Trine; Grimm, Volker.

    In: P L o S One, Vol. 7, No. 9, 25.09.2012, p. e45872.

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

  60. Published

    Hvordan sikrer vi agerlandets biodiversitet? / Høye, Toke Thomas; Ejrnæs, Rasmus; Dalgaard, Tommy; Svenning, J.-C.; Topping, Christopher John.

    Danmarks Natur frem mod 2020. ed. / Hans Meltofte. Det Grønne Kontaktudvalg, c/o Danmarks Naturfredningsforening, 2012. p. 49-53.

    Research output: Contribution to book/anthology/report/proceedingReport chapterResearchpeer-review

  61. Published

    Interpreting outputs of agent-based models using abundance-occupancy relationships. / Høye, Toke Thomas; Skov, Flemming; Topping, Christopher John.

    In: Ecological Indicators, Vol. 20, 2012, p. 221-227.

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

  62. Published

    Potential for Use of Modelling in Regulation and Risk Assessment. / Topping, Christopher John; Bohan, Dave.

    ESCORT 3: Linking Non-Target Arthropod Testing and Risk Assessment with Protection Goals. ed. / Anne Alix; Frank Bakker; Katie Barrett; Carsten A. Brühl; Mike Coulson; Simon Hoy; Jean-Pierre Jansen; Paul Jepson; Gavin Lewis; Paul Neumann; Dirk Süssenbach; Peter van Vliet. Society of Environmental Toxicology and Chemistry, 2012. p. 95-97.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedingsResearchpeer-review

  63. Published

    Recovery. / Brühl, Carsten A.; Neumann, Paul; Aldershof, Saskia; Bohan, Dave; Brown, Kevin; Candolfi, Marco; Geiger, Flavia; Kovalkovicová, Natalie; Kula, Christine; Nienstedt, Karin; Pestanudo, Susana; Roembke, Jörg; Schmidt, Thomas; Topping, Christopher John; van Vliet, Peter.

    ESCORT 3: Linking Non-Target Arthropod Testing and Risk Assessment with Protection Goals. ed. / Anne Alix; Frank Bakker; Katie Barrett; Carsten A. Brühl; Mike Coulson; Simon Hoy; Jean-Pierre Jansen; Paul Jepson; Gavin Lewis; Paul Neumann; Dirk Süssenbach; Peter van Vliet. Society of Environmental Toxicology and Chemistry, 2012. p. 39-41.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedingsResearchpeer-review

  64. Published
  65. Published

    Spatial dynamic factors affecting population-level risk assessment for a terrestrial arthropod: an agent-based modelling approach. / Topping, Christopher John; Lagisz, Malgorzata.

    In: Human and Ecological Risk Assessment, Vol. 18, 2012, p. 168-180.

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

  66. Published

    Why complexity matters: using ALMaSS for risk assessment of wildlife. / Topping, Christopher John.

    2012. Abstract from 6th SETAC World Congress / SETAC Europe 22nd Annual Meeting, Berlin, Germany.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  67. 2011
  68. Published

    Evaluating and communicating simulated wildlife responses to land-use scenarios. / Høye, Toke Thomas; Skov, Flemming; Topping, Christopher John.

    2011. Abstract from science for the environment - environment for science, Aarhus, Denmark.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  69. Published

    An Evolutionary Modelling Approach To Understanding The Factors Behind Plant Invasiveness And Community Susceptibility To Invasion. / Warren, John; Topping, Christopher John; James, Penri.

    In: Journal of Evolutionary Biology, Vol. 24, No. 10, 2011, p. 2099-2109.

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

  70. Published

    Biodiversity and the mitigation of climate change through bioenergy: Impacts of increased maize cultivation on abundance of farmland wildlife. / Gevers, J.; Høye, Toke Thomas; Topping, Christopher John; Glemnitz, M.; Schröder, B.

    In: Global Change Biology Bioenergy, Vol. 3, No. 6, 2011, p. 472-482.

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

  71. Published

    Effekter af pesticidpolitiske virkemidler - en integreret analyse af effekter på økonomi, landbrug og fauna. / Nielsen, Helle Ørsted; Topping, Christopher John; Hasler, Berit; Christensen, Tove ; Jacobsen , Lars-Bo; Pedersen, Anders Branth; Dalgaard, Tommy; Fonnesbech-Wulff, Anders.

    København : Miljøstyrelsen, 2011. 75 p. (Bekæmpelsesmiddelforskning fra Miljøstyrelsen; No. 133).

    Research output: Book/anthology/dissertation/reportReportResearch

  72. Published

    Evaluation of wildlife management through organic farming. / Topping, Christopher John.

    In: Ecological Engineering, Vol. 37, No. 12, 2011, p. 2009-2017.

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

  73. Published

    How predation and landscape fragmentation affect vole population dynamics. / Dalkvist, Trine; Sibly, Richard; Topping, Christopher John.

    In: P L o S One, Vol. 6, No. 7, 2011, p. e22834.

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

  74. Published

    Report on a Red-throated Diver Agent-Based Model to assess the cumulative mpact from offshore wind farms. / Topping, Christopher John; Petersen, Ib Krag.

    2011. 44 p.

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

  75. 2010
  76. Published

    Building resilience in organic and low-input farming systems - an ecological geneticist's vision. / Warren, John; Topping, Christopher John.

    2010. Abstract from Breeding for resilience: a strategy for organic and low-input farming systems? EUCARPIA 2nd Conference of the Organic and Low-Input Agriculture Section, Paris, France.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  77. Published

    A pattern-oriented modelling approach to simulating populations of grey partridge. / Topping, Christopher John; Høye, Toke Thomas; Odderskær, Peter; Aebischer, Nicholas.

    In: Ecological Modelling, Vol. 221, 2010, p. 729-737.

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

  78. Published

    Biodiversity and the mitigation of climate change through bioenergy: impacts of increased maize cultivation on abundance of farmland wildlife. / Gevers, Jana; Høye, Toke Thomas; Topping, Christopher John; Glemnitz, Michael; Schröder, Boris.

    2010. Abstract from The Future of Biodiversity: Genes, Species, Ecosystems. 40th Conference of the Ecological Society of Germany, Austria and Switzerland, Giessen, Germany.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  79. Published

    Biodiversity effects of different policies for pesticide reduction. / Hasler, Berit; Topping, Christopher John; Nielsen, Helle Ørsted.

    2010. Paper presented at Advancing Sustainability in a Time of Crisis - ISEE Conference 2010, Oldenburg - Bremen, Germany.

    Research output: Contribution to conferencePaperResearchpeer-review

  80. Published

    Har landskabsstrukturen betydning for effekten af et sprøjtemiddel på markmusbestande? / Dalkvist, Trine; Sibly, Richard; Topping, Christopher John.

    In: Apodemus, No. 11, 2010, p. 11-12.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperConference abstract in journalResearch

  81. Published

    Opening the black box - development, testing and documentation of a mechanistically rich agent-based model. / Topping, Christopher John; Høye, Toke Thomas; Olesen, Carsten Riis.

    In: Ecological Modelling, Vol. 221, No. 2, 2010, p. 245-255.

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

  82. Published

    Short report on simulating Scale-of-Use and toxicity scenarios in ALMaSS : Appendix 3. / Topping, Christopher John; Dalkvist, Trine.

    Accounting for scale of use in bird and mammal risk assessment PS2347: Report to Chemicals Regulation Directorate by Joe Crocker, FERA. Defra, 2010. p. 60-77.

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

  83. Published

    The effects of landscape modifications on the long-term persistence of animal populations. / Nabe-Nielsen, Jacob; Sibly, Richard M.; Forchhammer, Mads C.; Forbes, Valery E.; Topping, Christopher John.

    In: P L o S One, Vol. 5, No. e8932, 2010.

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

  84. Published

    Virtuel vildtbiologi - en simuleringsmodel til forvaltning af harebestande. / Høye, Toke Thomas; Topping, Christopher John; Olesen, Carsten Riis.

    In: Apodemus, No. 11, 2010, p. 19.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperConference abstract in journalResearch

  85. 2009
  86. Published

    Incorporating realism into ecological risk assessment : NABM approach. / Topping, Chris J.; Dalkvist, Trine; Nabe-Nielsen, Jacob.

    Ecological Models for Regulatory Risk Assessments of Pesticides: Developing a Strategy for the Future. CRC Press, 2009. p. 57-66.

    Research output: Contribution to book/anthology/report/proceedingBook chapterResearchpeer-review

  87. Published

    A unifying evolutionary theory for the biomass-diversity-fertility relationship. / Warren, John Michael; Topping, Christopher John; James, Penri.

    In: Theoretical Ecology, Vol. 2, No. 2, 2009, p. 119-126.

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

  88. Published

    Forvaltning af agerlandets vilde fauna. / Odderskær, Peter; Topping, Christopher John; Høye, Toke Thomas.

    2009. Abstract from Plantekongres 2009, Herning, Denmark.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  89. Published

    Incorporating realism into ecological risk assessment - an ABM approach. / Topping, Christopher John; Dalkvist, Trine; Nabe-Nielsen, Jacob.

    Ecological Models for Regulatory Risk Assessments of Pesticides: Developing a Strategy for the Future. ed. / Pernille Thorbek; Valery E. Forbes; Fred Heimbach; Udo Hommen; Hans-Hermann Thulke; Paul J. van den Brink; Jörn Wogram; Volker Grimm. Society of Environmental Toxicology and Chemistry, 2009. p. 57-66.

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

  90. Published

    Kan haren og agerhønen vende tilbage - hvad skal der til? / Odderskær, Peter; Topping, Christopher John; Høye, Toke Thomas.

    Vildt & Landskab. Resultater af 6 års integreret forskning i Danmark 2003-2008. ed. / Niels Kanstrup; Tommy Asferg; Mads Flinterup; Bo Jellesmark Thorsen; Thomas Secher Jensen. Skov- og Naturstyrelsen, 2009. p. 30-35.

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

  91. Published

    Population-level impacts of pesticide-induced chronic effects on individuals depend more on ecology than toxicology. / Dalkvist, Trine; Topping, Christopher John; Forbes, Valery, E.

    In: Ecotoxicology and Environmental Safety, Vol. 72, No. 6, 2009, p. 1663-1672.

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

  92. Published

    Predation and fragmentation portrayed in the statistical structure of prey time series. / Hendrichsen, Ditte Katrine; Topping, Christopher John; Forchhammer, Mads C.

    In: B M C Ecology, Vol. 9, No. 10, 2009, p. (online).

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

  93. Published

    The Potential for the Use of Agent-Based Models in Ecotoxicology. / Topping, Christopher John; Dalkvist, Trine; Forbes, Valery E; Grimm, Volker; Sibly, Richard M.

    Ecotoxicology Modeling. ed. / James Devillers. Vol. 2 Springer, 2009. p. 205-235 (Emerging Topics in Ecotoxicology).

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

  94. Published

    The effect of habitat fragmentation on the distribution and abundance of farmland wildlife inferred from an individual-based model. / Høye, Toke Thomas; Topping, Christopher John.

    39th Annual Conference of the Ecological Society of Germany, Austria and Switzerland (GfÖ). ed. / Stephan Holzheu; Birgit Thies. Vol. 115 2009. p. 190-191.

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

  95. Published

    The effects of spatial and temporal heterogeneity on the population dynamics of four animal species in a Danish landscape. / Sibly, Richard M; Nabe-Nielsen, Jacob; Forchhammer, Mads C.; Forbes, Valery E; Topping, Christopher John.

    In: B M C Ecology, Vol. 9, No. 18, 2009, p. 1-9.

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

  96. 2008
  97. Published

    Fup og fakta om brak og natur. / Berthelsen, Jørn Pagh; Ejrnæs, Rasmus; Hald, Anna Bodil; Odderskær, Peter; Strandberg, Morten Tune; Topping, Christopher John.

    In: Aktuel Naturvidenskab, Vol. 2008, 2008, p. 32-35.

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

  98. Published

    Pesticide reducing instruments - an interdisciplinary analysis of effectiveness and optimality. / Jacobsen, Lars-Bo; Jensen, Jorgen D.; Hauch, Jens; Topping, Christopher John; Martin, Andersen.

    Critical Issues in Environmental Taxation: International and comparative perspectives. ed. / Janet Milne; Kurt Deketelaere; Larry Kreiser; Hope Ashiabor. Vol. V Oxford University Press, 2008. p. 569-602.

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

  99. 2007
  100. Published

    Application of 2 Modeling Techniques in a Theoretical Assessment for Agricultural Pesticide Registration : Appendix 2: Workshop Exercise. / Topping, C. J.; Sibly, R.; Delorme, P. D.; Moller, V.; Fritz, A. T.; Elmegaard, N.; Munns Jr., W. R.

    Population-Level Ecological Risk Assessment. ed. / L. W. Barnthouse; W. R. Jr. Munns; M. T. Sorensen. Brussels: SETAC, 2007. p. 301-306.

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

  101. Published

    Effects of landscape complexity in agent-based population models. / Nabe-Nielsen, J.; Sibly, R.; Topping, C. J.; Forchhammer, M. C.; Sudharsan, K.

    25 years of Landscape Ecology: Scientific Principles in Practice. Proceedings of the 7th IALE World Congress 8-12 July Wageningen, The Netherlands. ed. / R.G.H. Bunce; R.H.G. Jongman; L. Hojas; S. Weel. IALE, 2007. p. 329-330 (IALE Publication series; No. 4).

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

  102. Published

    Modeling approaches to population-level ecological risk assessment. / Munns, W. R. Jr.; Gervais, J.; Hoffman, A. A.; Hommen, U.; Nacci, D. E.; Nakamaru, M.; Sibly, R.; Topping, C. J.; Barnthouse, L. W. (Editor); Munns, W. R. Jr. (Editor); Sorensen, M. T. (Editor).

    Population-Level Ecological Risk Assessment. ed. / L. W. Barnthouse; W. R. Jr. Munns; M. T. Sorensen. Brussels: SETAC, 2007. p. 179-210.

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

  103. Published

    Ukrudtsstriglingens effekter på dyr, planter og ressourceforbrug. / Odderskær, P.; Topping, C. J.; Rasmussen, J.; Pedersen, Marianne Bruus; Dalgaard, T.; Erlandsen, M.

    Plantekongres 2007. Dansk Landbrugsrådgivning, Landscentret, Århus, 2007. p. 198-199 (Plantekongres 2007).

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

  104. 2006
  105. Published

    Ukrudtsstriglingens effekter på dyr, planter og ressourceforbrug. / Odderskær, P.; Topping, C. J.; Bruus, Marianne; Rasmussen, J.; Dalgaard, T.; Erlandsen, M.

    Miljøstyrelsen, 2006. 127 p. (Bekæmpelsesmiddelforskning fra Miljøstyrelsen, Vol. 105).

    Research output: Book/anthology/dissertation/reportReportCommissioned

  106. 2005
  107. Published

    Case Study Part 1: How to Calculate Appropriate Deterministic Long-Term Toxicity to Exposure Ratios (TERs) for Birds and Mammals. / Shore, R. F.; Crocker, D. R.; Akcakaya, H. R.; Bennett, R. S.; Chapman, P. F.; Clook, M.; Crane, M.; Dewhurst, I. C.; Edwards, P. J.; Fairbrother, A.; Ferson, S.; Fischer, D.; Hart, A. D. M.; Holmes, M.; Hooper, M. J.; Lavine, M.; Leopold, A.; Luttik, R.; Mineau, P.; Moore, D. R. J.; Mortenson, S. R.; Noble, D. G.; O'Conner, R. J.; Roelofs, W.; Sibly, R. M.; Smith, G. C.; Spendiff, M.; Springer, T. A.; Thompson, H. M.; Topping, C. J.

    In: Ecotoxicology, Vol. 14, No. 8, 2005, p. 877-893.

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

  108. Published

    Case Study Part 2: Probabilistic Modelling of Long-term Effects of Pesticides on Individual Breeding Success in Birds and Mammals. / Roelofs, W.; Crocker, D. R.; Shore, R. F.; Moore, D. J. M.; Smith, G. C.; Akcakaya, H. R.; Dewhurst, I. C.; Edwards, P. J.; Fairbrother, A.; Ferson, S.; Fischer, D.; Hart, A. D. M.; Holmes, M.; Hooper, M. J.; Lavine, M.; Leopold, A.; Luttik, R.; Mineau, P.; Mortenson, S. R.; Noble, D. G.; O'Connor, R. J.; Sibly, R. M.; Spender, M.; Springer, T. A.; Thompson, H. M.; Topping, C. J.

    In: Ecotoxicology, Vol. 14, No. 8, 2005, p. 895-923.

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

  109. Published

    Evaluating consequences of land-use strategies on wildlife populations using multiple-species predictive scenarios. / Jepsen, J. U.; Topping, C. J.; Odderskær, P.; Andersen, P. N.

    In: Agriculture, Ecosystems & Environment, Vol. 105, No. 4, 2005, p. 581-594.

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

  110. Published

    Hvad påvirker harens og agerhønens vilkår i agerlandet? / Tybirk, K.; Asferg, T.; Odderskær, Peter; Olesen, C. R.; Bertelsen, J. P.; Topping, C. J.; Noer, H.

    Plantekongres 2005. Dansk Landbrugsrådgivning, Landscentret, Århus, 2005. p. 320-321 (Plantekongres 2005 - Sammendrag af indlæg).

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

  111. Published

    Population-level Assessment of Risks of Pesticides to Birds and Mammals in the UK. / Sibly, R. M.; Akçakaya, H. R.; Topping, C. J.; O'Conner, R. J.

    In: Ecotoxicology, Vol. 14, No. 8, 2005, p. 863-876.

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

  112. Published

    Randzoner uden pesticider giver flere lærker. / Tybirk, K.; Topping, C. J.

    In: Jord & Viden, Vol. 150, No. 3, 2005, p. 12-13.

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

  113. Published

    Risk Assessment of UK Skylark Populations Using Life-History and Individual-Based Landscape Models. / Topping, C. J.; Sibly, R. M.; Akçakaya, H. R.; Smith, G. C.; Crocker, D. R.

    In: Ecotoxicology, Vol. 14, No. 8, 2005, p. 925-936.

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

  114. Published

    The impact on skylark numbers of reductions in pesticide usage in Denmark : Predictions using a landscape-scale individual based model. / Topping, C. J.

    National Environmental Research Institute, 2005. 34 p. (NERI Technical Report, Vol. 527).

    Research output: Book/anthology/dissertation/reportReportCommissioned

  115. Published

    The influence of landscape diversity and heterogeneity on spatial dynamics of agrobiont linyphiid spiders: An individual-based model. / Thorbek, P.; Topping, C. J.

    In: BioControl, Vol. 50, No. 1, 2005, p. 1-33.

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

  116. 2004
  117. Published

    A trait specific model of competition in a spatially structured plant community. / Warren, J.; Topping, C. J.

    In: Ecological Modelling, Vol. 180, No. 4, 2004, p. 477-485.

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

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