Summit County Voice: Researchers in Finland say they`ve documented bird populations trends that are at least partly linked with global warming. Comparing data from extensive bird counts conducted between 1981 to 1999, and 2000 to 2009, the biologists said that, in general, northern species have decreased and southern species increased. Mean temperatures in Finland rose between the two periods, with April to June mean temperatures climbing by 0.7 degrees Celsius. According to the study, population densities of common...
URL: http://summitcountyvoice.com/2012/12/19/finland-study-tracks-global-warming-impacts-on-bird-populations/
Enclosure: http://summitvoice.files.wordpress.com/2012/12/northerngoshawk_clip_image002.jpg?w=174&h=300
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