Sirkiä, S.; Helle, P.; Lindén, H.; Nikula, A.; Norrdahl, K.; Suorsa, P.; Valkeajärvi, P. Persistence of Capercaillie (Tetrao Urogallus) Lekking Areas Depends on Forest Cover and Fine-Grain Fragmentation of Boreal Forest Landscapes. Ornis Fenn 2011, 88 (1), 14–29. https://doi.org/10.51812/of.133759.