Eastern hemlock forests have been declining due to a non-native insect pest, the hemlock woolly adelgid. A new study from The Condor: Ornithological Applications presents some of the best long-term data showing how the decline ...
Ecology
May 23, 2018
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177
An insect infestation that is killing hemlock trees in New England forests is having a significant impact on the water resources of forested ecosystems that provide essential water supplies to one of the nation's most populous ...
Environment
Apr 5, 2017
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6
Imported forest pests cause billions of dollars in damages each year, and U.S. property owners and municipalities foot most of the bill. Efforts to prevent new pests are not keeping pace with escalating trade and must be ...
Ecology
May 10, 2016
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61
A tiny fly from the Pacific Northwest may provide new hope for towering hemlock forests dying along the East Coast.
Ecology
Jun 16, 2015
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51
Despite the accumulating destruction of a non-native invasive insect called the hemlock woolly adelgid, hemlock forests in the eastern United States appear to have held their own for now, according to new research by the ...
Environment
Jan 22, 2014
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A joint Harvard-Smithsonian study released today in the journal PLOS ONE reveals how much—and how little—Northeastern forests have changed after centuries of intensive land use.
Environment
Sep 4, 2013
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The loss of eastern hemlock from forests in the Southern Appalachian region of the United States could permanently change the area's hydrologic cycle, reports a new study by U.S. Forest Service scientists at the Coweeta Hydrologic ...
Ecology
May 9, 2013
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Due to the introduction of exotic pests and pathogens, tree species are being eliminated one by one from forest ecosystems. In some cases, scientists can observe immediately how their loss affects the environment, whereas ...
Environment
Dec 20, 2012
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0
A new study by biologists at Mercyhurst University focuses on the influence of climate change, particularly warmer winters, on the survival and potential fecundity of cold-blooded animals.
Ecology
Dec 12, 2012
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1
An invasive insect, hemlock woolly adelgid, has been marching north along the Appalachians, killing almost every hemlock tree in its path. The adelgid has devastated forests in Georgia, Tennessee, and Virginia. The pest recently ...
Ecology
Jul 21, 2011
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