Declining willow ptarmigan populations: The role of habitat structure and community dynamics

John-André Henden, Rolf Anker Ims, Nigel Gilles Yoccoz, Siw Turid Killengreen
2011 Basic and Applied Ecology  
doi:10.1016/j.baae.2011.05.006 fatcat:wt7qoorhjbcdjnqp7sdyxfnieq