(Phys.org)—Some high mountain meadows in the Pacific Northwest are declining rapidly due to climate change, a study suggests, as reduced snowpacks, longer growing seasons and other factors allow trees to invade these unique ...
Environment
Nov 2, 2012
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In the early 1900s, brown trout and rainbow trout were introduced to southern South America for recreational fishing and early aquaculture initiatives. About 40 years later, American beaver were introduced in the same region ...
Evolution
Sep 2, 2020
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243
When the 2020 Labor Day Fires torched more than 300,000 hectares over the span of two weeks in parts of western Oregon and Washington, they devastated communities and put the threat of west-side fires squarely into focus. ...
Environment
Jun 25, 2022
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118
Longer, warmer growing seasons associated with a changing climate are altering growing conditions in temperate rain forests, but not all plant species will be negatively affected, according to research conducted by the U.S. ...
Environment
Jan 18, 2013
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0
Yellow-cedar, a culturally and economically valuable tree in southeastern Alaska and adjacent parts of British Columbia, has been dying off across large expanses of these areas for the past 100 years. But no one could say ...
Environment
Feb 1, 2012
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0
Alaska's Tongass and Chugach National Forests, which contain some of the world's largest remaining tracts of intact temperate rainforest, contribute an average of 48 million salmon a year to the state's commercial fishing ...
Ecology
Feb 7, 2020
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8
Beargrass is an ecologically, culturally, and economically important plant in the Western United States and, for the first time, landowners, managers, and harvesters now have a comprehensive report about the species.
Ecology
Nov 19, 2012
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Each year, more than 170 million people visit national forests for recreation. And the physical activity associated with these visits burns 290 billion food calories. That equals enough french fries laid end to end to reach ...
Environment
Sep 7, 2011
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North American red foxes originated from two separate genetic lineages that were isolated from each other by glaciers some half a million years ago, according to a U.S. Forest Service Pacific Northwest Research Station study.
Plants & Animals
May 20, 2011
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0
The 25-story construction crane used since 1995 to investigate such things as how Pacific Northwest forests absorb carbon dioxide, obtain sufficient water and resist attacks by pests and diseases is being pruned back to just ...
Environment
Apr 28, 2011
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