Short communication Landscape and season effects on the diet of the

• Other Authors: The Pennsylvania State University CiteSeerX Archives
• Format: Text
• Language: English
• Subjects: corvids; grouse; predation; prey avail- ability; vulnerability; Helle; Petty; Northern Goshawk
• Online Access: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.617.7461; http://users.jyu.fi/~vemonkko/Tornberg et al. 2009_ibis_910.pdf

There are two general effects of habitat loss and frag-mentation of mature boreal forests (Schmiegelow & Mönkkönen 2002). First, fragmentation by farmland creates stable structures such as permanent edge zones with enrichment of species diversity and density (Andrén 1992, Berg & Pärt 1994)....