USA Today; 11/2/2011
Excerpt;   “More than half of eastern U.S. tree species are not adapting to climate change as quickly or consistently as predicted, posing risks for their survival, says a new Duke University-led study.
Previous climate models had predicted that trees would migrate to higher latitudes and elevations as temperatures warm but such a northward migration is not happening, according to the study that analyzed decades of data from the U.S. Forest Service. The scientists examined 92 tree species at 43,334 forest plots in 31 states…….”

Read more at   http://content.usatoday.com/communities/greenhouse/post/2011/11/us-forests-climate-change-not-adapting/1