As trees grow larger in even-aged stands, competition develops among them. Competition weakens trees, as they contend for soil moisture, nutrients, and sunlight. Competition also increases trees' risk to bark beetles and ...
Environment
Nov 26, 2013
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A recently published study by U.S. Forest Service researchers evaluates potential revenues from harvesting standing timber killed by mountain pine beetle in the western United States. The study shows that while positive net ...
Environment
Oct 21, 2013
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U.S. Forest Service and partner scientists are keeping a watchful eye on forest health. As fall colors replace the lush greenness of spring and summer, researchers recognize telltale signs of change in healthy forests.
Environment
Oct 1, 2013
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In the 1970s, red spruce was the forest equivalent of a canary in the coal mine, signaling that acid rain was damaging forests and that some species, especially red spruce, were particularly sensitive to this human induced ...
Environment
Aug 30, 2013
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Woodland salamanders are a viable indicator of forest ecosystem recovery, according to researchers from the U.S. Forest Service's Pacific Southwest Research Station.
Environment
Aug 28, 2013
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Efforts to conserve declining populations of forest-interior birds have largely focused on preserving the mature forests where birds breed, but a U.S. Forest Service study suggests that in the weeks leading up to migration, ...
Ecology
Aug 21, 2013
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The scourge of forests, the emerald ash borer, or EAB, is usually described with words like "destructive" and "pest." A recent study based on data collected by citizen scientists suggests that one more adjective might apply, ...
Ecology
Aug 8, 2013
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As sensor networks revolutionize ecological data collection by making it possible to collect high frequency information from remote areas in real time, scientists with the U.S. Forest Service are advocating for automated ...
Ecology
Aug 6, 2013
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U.S. Forest Service researchers have identified what may be a key to unraveling some of the mysteries of White Nose Syndrome: the closest known non-disease causing relatives of the fungus that causes WNS. These fungi, many ...
Plants & Animals
Jul 25, 2013
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Beginning with early colonists who landed in the New World loaded with dreams, grit and perhaps the continent's first alien forest pests, and continuing today with the expansion of global trade, the northeastern United States ...
Environment
Jul 16, 2013
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