Rapid and continuing regional decline of butterflies in eastern Denmark 1993-2019
E. B. Bjerregaard, L. Baastrup-Spohr, B. Markussen, H. H. Bruun
The paper tracks butterfly population declines in eastern Denmark from 1993-2019, finding significant regional extinctions and continued declines despite protected areas.
bioRxiv · Apr 3, 2023Ecology