Supplementary material 1 from: Virkkala R, Rajasärkkä A (2012) Preserving species populations in the boreal zone in a changing climate: contrasting trends of bird species groups in a protected area network. Nature Conservation 3: 1-20. https://doi.org/10.3897/natureconservation.3.3635
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资源简介：
Mean densities and number of observations of species in 1981–1999 and in 2000–2009
创建时间：
2020-01-24
