Final Report of Synthesis and Assessment Product 4.2 "Thresholds of Climate Change in Ecosystems" is posted (posted 16 Jan 2009) . See also press release from the U.S. Geological Survey (USGS). The report provides an overview of what is known about ecological thresholds and where they are likely to occur. It also identifies those areas where research is most needed to improve knowledge and understand the uncertainties regarding them.
Lead Authors: Fagre D.B., Charles C.W., Allen C.D., Birkeland C., Chapin F.S. III,
Groffman P.M., Guntenspergen G.R., Knapp A.K., McGuire A.D., Mulholland
P.J., Peters D.P.C., Roby D.D., and Sugihara G.
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