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
收藏数据链接：
官方服务：
资源简介：
Mean densities and number of observations of species in 1981–1999 and in 2000–2009
提供机构：
Zenodo创建时间：
2017-09-21
