United Press International: Climate change increases the risk to European spruce forests from destructive bark beetles because of rising temperatures and less rainfall, researchers say. Writing in the journal Climatic Change, scientists say low rainfall and warmer temperatures weakened the trees' defenses against the bark beetle. In addition, dry conditions have encouraged the bark beetle to extend its range by moving to higher altitudes, Lorenzo Marini from the University of Padua in Italy said. The low rainfall at those...
URL: http://www.upi.com/Science_News/2012/05/02/Tree-pests-worse-with-climate-change/UPI-62811335989243/?spt=hs&or=sn
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