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Caspar A. Hallmann
Radboud University Nijmegen
HabitatEcologyPopulationEcosystem servicesBiology
25Publications
10H-index
1,207Citations
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Publications 26
Newest
#1Caspar A. Hallmann (Radboud University Nijmegen)H-Index: 10
#2Theo ZeegersH-Index: 1
Last. Eelke Jongejans (Radboud University Nijmegen)H-Index: 32
view all 9 authors...
15 CitationsSource
#1Pedro Cardoso (UH: University of Helsinki)H-Index: 31
#2Philip S. Barton (ANU: Australian National University)H-Index: 23
Last. Caspar A. Hallmann (Radboud University Nijmegen)H-Index: 10
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Abstract Here we build on the manifesto ‘World Scientists’ Warning to Humanity, issued by the Alliance of World Scientists. As a group of conservation biologists deeply concerned about the decline of insect populations, we here review what we know about the drivers of insect extinctions, their consequences, and how extinctions can negatively impact humanity. We are causing insect extinctions by driving habitat loss, degradation, and fragmentation, use of polluting and harmful substances, the spr...
13 CitationsSource
#1Michael J. Samways (Stellenbosch University)H-Index: 48
#2Philip S. Barton (ANU: Australian National University)H-Index: 23
Last. Caspar A. Hallmann (Radboud University Nijmegen)H-Index: 10
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Abstract The fate of humans and insects intertwine, especially through the medium of plants. Global environmental change, including land transformation and contamination, is causing concerning insect diversity loss, articulated in the companion review Scientists' warning to humanity on insect extinctions. Yet, despite a sound philosophical foundation, recognized ethical values, and scientific evidence, globally we are performing poorly at instigating effective insect conservation. As insects are...
7 CitationsSource
#1Jeffrey A. HarveyH-Index: 1
#1Jeffrey A. HarveyH-Index: 3
Last. Pedro CardosoH-Index: 31
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#1Jeffrey A. HarveyH-Index: 44
#1Jeffrey A. HarveyH-Index: 1
Last. Hans de Kroon (Radboud University Nijmegen)H-Index: 52
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18 CitationsSource
#1Caspar A. HallmannH-Index: 10
#2Theo ZeegersH-Index: 1
Last. Eelke JongejansH-Index: 32
view all 9 authors...
#1M.J.J. La HayeH-Index: 5
#2R.J.M. van KatsH-Index: 3
Last. Eelke JongejansH-Index: 32
view all 5 authors...
#1Caspar A. HallmannH-Index: 10
#1S.T.E. Lommen (University of Fribourg)H-Index: 9
#2Caspar A. Hallmann (Radboud University Nijmegen)H-Index: 10
Last. Heinz Müller-Schärer (University of Fribourg)H-Index: 36
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To better manage invasive populations, it is vital to understand the environmental drivers underlying spatial variation in demographic performance of invasive individuals and populations. The invasive common ragweed, Ambrosia artemisiifolia, has severe adverse effects on agriculture and human health, due to its vast production of seeds and allergenic pollen. Here, we identify the scale and nature of environmental factors driving individual performance of A. artemisiifolia, and assess their relat...
10 CitationsSource
#1Marjolein Bruijning (Radboud University Nijmegen)H-Index: 5
#2Marco D. Visser (Princeton University)H-Index: 10
Last. Eelke Jongejans (Radboud University Nijmegen)H-Index: 32
view all 4 authors...
6 CitationsSource
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