Published December 17, 2012 | Version v1
Dataset Open

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

  • 1. Finnish Environment Institute, Helsinki, Finland
  • 2. Metsähallitus, Ostrobothnia Natural Heritage Services, P.O. Box 81, FI-90101 Oulu, Finland

Description

Mean densities and number of observations of species in 1981–1999 and in 2000–2009

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