1. Cold War spy satellite images reveal long-term declines of a philopatric keystone species in response to cropland expansion. Issue 1927 (27th May 2020) Authors: Munteanu, Catalina; Kamp, Johannes; Nita, Mihai Daniel; Klein, Nadja; Kraemer, Benjamin M.; Müller, Daniel; Koshkina, Alyona; Prishchepov, Alexander V.; Kuemmerle, Tobias Journal: Proceedings Issue: Volume 287:Issue 1927(2020) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗