Estonian Journal of Ecology. Volume 60. 2011/2

Sisukord:The role of citizen science in ornithology, Asko LõhmusPopulation trends of common birds in Estonia in 1983–2010, Andres Kuresoo, Hannes Pehlak, Renno NellisEffect of atmospheric circulation types on spring arrival of migratory birds and long-term trends in the first arrival dates in Estonia, Mait Sepp, Vello Palm, Aivar Leito, Kalev Päädam, Jaak TruuFifty-year dynamics in a temperate raptor assemblage, Eet Tuule, Aarne Tuule, Asko LõhmusNumbers and hybridization of spotted eagles in Estonia as revealed by country-wide field observations and genetic analysis, Ülo VäliThree-year periodicity in historical raptor-persecution data: an indication of vole cycles, Asko Lõhmus