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Widespread Decline of Ground Beetles in Germany

2025-10-30

Shawan Chowdhury *

Diana E. Bowler

Estève Boutaud

Ortwin Bleich

Helge Bruelheide

Jörn Buse

Thore Engel

Jörg Gebert

Volker Grescho

Stephan Gürlich

Ingmar Harry

Florian Jansen

Reinhard Klenke

Roel van Klink *

Marten Winter

Aletta Bonn

DOI：10.1111/ddi.70112

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Abstract

En 中文

Many insect species are facing existential crises, primarily due to diverse human activities. Most insect assessments, however, are based on relatively short time series or some iconic species. Here, we assess how the occupancy of ground beetles has changed in Germany over the last 36 years.

Keywords:

citizen science

insect conservation

insect decline

insect monitoring

long-term change

occupancy detection model

trend analysis

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