Does the Abundance of Voles Microtus spp. Still Determine a Number of Wintering Long-Eared Owls Asio Otus?

by Grzędzicka, Emilia
Source: 1. Ekológia (Bratislava) 1. Roč. 33, č. 4 (2014), s. 354-364 1. 1335-342X