Caspar A. Hallmann
Caspar A. Hallmann
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More than 75 percent decline over 27 years in total flying insect biomass in protected areas
CA Hallmann, M Sorg, E Jongejans, H Siepel, N Hofland, H Schwan, ...
PloS one 12 (10), e0185809, 2017
Declines in insectivorous birds are associated with high neonicotinoid concentrations
CA Hallmann, RPB Foppen, CAM Van Turnhout, H De Kroon, ...
nature 511 (7509), 341-343, 2014
Scientists' warning to humanity on insect extinctions
P Cardoso, PS Barton, K Birkhofer, F Chichorro, C Deacon, T Fartmann, ...
Biological conservation 242, 108426, 2020
Solutions for humanity on how to conserve insects
MJ Samways, PS Barton, K Birkhofer, F Chichorro, C Deacon, T Fartmann, ...
Biological Conservation 242, 108427, 2020
International scientists formulate a roadmap for insect conservation and recovery
JA Harvey, R Heinen, I Armbrecht, Y Basset, JH Baxter-Gilbert, ...
Nature Ecology & Evolution 4 (2), 174-176, 2020
Declining abundance of beetles, moths and caddisflies in the Netherlands
CA Hallmann, T Zeegers, R van Klink, R Vermeulen, P van Wielink, ...
Insect Conservation and Diversity 13 (2), 127-139, 2020
Scientists' warning on climate change and insects
JA Harvey, K Tougeron, R Gols, R Heinen, M Abarca, PK Abram, Y Basset, ...
Ecological monographs 93 (1), e1553, 2023
Insect biomass decline scaled to species diversity: General patterns derived from a hoverfly community
CA Hallmann, A Ssymank, M Sorg, H de Kroon, E Jongejans
Proceedings of the National Academy of Sciences 118 (2), e2002554117, 2021
Environmental Determinants of Recent Endemism of Batrachochytrium dendrobatidis Infections in Amphibian Assemblages in the Absence of Disease Outbreaks
Conservation Biology, 2014
The importance of realistic dispersal models in conservation planning: application of a novel modelling platform to evaluate management scenarios in an Afrotropical …
J Aben, G Bocedi, SCF Palmer, P Pellikka, D Strubbe, C Hallmann, ...
Journal of Applied Ecology 53, 1055-1065, 2016
Explaining variability in the production of seed and allergenic pollen by invasive Ambrosia artemisiifolia across Europe
STE Lommen, CA Hallmann, E Jongejans, B Chauvel, M Leitsch-Vitalos, ...
Biological Invasions, 1-17, 2017
trackdem: Automated particle tracking to obtain population counts and size distributions from videos in R
M Bruijning, MD Visser, CA Hallmann, E Jongejans
Methods in Ecology and Evolution, 2018
Post‐fragmentation population structure in a cooperative breeding Afrotropical cloud forest bird: emergence of a source‐sink population network
M Husemann, L Cousseau, T Callens, E Matthysen, C Vangestel, ...
Molecular Ecology 24 (6), 1172-1187, 2015
Nest predation in Afrotropical forest fragments shaped by inverse edge effects, timing of nest initiation and vegetation structure
LL Toon Spanhove, Tom Callens, Caspar A. Hallmann
Journal of Ornithology 155 (2), 411-420, 2014
Scholeksters in de knel: onderzoek naar de oorzaken van de dramatische achteruitgang van de Scholekster in Nederland
BJ Ens, B Aarts, C Hallmann, K Oosterbeek, H Sierdsema, R Slaterus, ...
SOVON Vogelonderzoek Nederland, 2011
Analysis of insect monitoring data from De Kaaistoep and Drenthe
CA Hallmann, T Zeegers, R van Klink, R Vermeulen, P van Wielink, ...
Nijmegen: Department of Animal Ecology and Physiology, Radboud University …, 2018
Recent population status and trends of Corncrakes Crex Crex in Europe
K Koffijberg, C Hallmann, O Keišs, N Schäffer
Vogelwelt 136, 75-87, 2016
Site-specific dynamics in remnant populations of Northern Wheatears Oenanthe oenanthe in the Netherlands
HH van Oosten, C van Turnhout, CA Hallmann, F Majoor, M Roodbergen, ...
Ibis, 2014
Long-term trends and drivers of aquatic insects in the Netherlands
CA Hallmann, E Jongejans
Stichting Toegepast Onderzoek Waterbeheer (STOWA), 2021
Predation and survival in reintroduced populations of the Common hamster Cricetus cricetus in the Netherlands
MJJ La Haye, RJM van Kats, GJDM Müskens, CA Hallmann, E Jongejans
Mammalian Biology 100 (6), 569-579, 2020
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