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Douglas-fir beetle population assessment : Idaho Panhandle National Forests

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dc.date 2007-01-23T17:11:40Z
dc.date 2007-01-23T17:11:40Z
dc.date 2000-03
dc.date.accessioned 2013-10-16T07:43:58Z
dc.date.available 2013-10-16T07:43:58Z
dc.date.issued 2013-10-16
dc.identifier http://hdl.handle.net/1957/3834
dc.identifier.uri http://koha.mediu.edu.my:8181/xmlui/handle/1957/3834
dc.description The unusually large amount of ice, snow, and wind-damaged trees that occurred during the winter of 1996-97 provided prime habitat for populations of the Douglas-fir beetle (DFB) (Dendroctonus pseudotsugae) to build to epidemic numbers. Beetles emerged during the spring and summer of 1998, attacking hundreds of thousands of standing Douglas-fir trees. Beetle attacks continued in green trees in 1999. This report documents DFB population assessments in 1999, including ground surveys of current beetle populations and aerial survey, which reports 1998 killed trees.
dc.language en_US
dc.publisher Missoula, MT : U.S. Dept. of Agriculture, Forest Service, Northern Region
dc.relation Report (United States. Forest Service. Northern Region)
dc.relation no. 00-4
dc.relation Forest health protection
dc.title Douglas-fir beetle population assessment : Idaho Panhandle National Forests
dc.type Technical Report

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