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Freshwater fish report calls for action to preserve sporting tradition
The projected consequences of a changing climate — warmer, shorter winters, more extreme weather events and more frequent droughts – threaten the nation’s freshwater fish and the sporting traditions...
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Rocky Mountain snow loss quantified
Snow cover in the Rocky Mountains has declined by 20 percent over the past three decades, a recent study shows. Coupled with earlier and faster snowmelt, the dwindling snowpack poses problems for...
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Volunteers build database of continental phenology
Sure seems like apple trees were blooming this time last year, or is that just a failure of memory? Was last year normal, or is this year? Are we experiencing customary annual fluctuations, or a trend...
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New data good news for native trout
Native brook trout. Photo, USDA Forest Service Testing the assumption that stream temperatures rise in correspondence with air temperatures, researchers from the U.S. Forest Service and the U.S....
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Report: Ecosystems already shifting under climate change
A warming world is reducing global biodiversity and threatening the provision of ecosystem services that people depend on, say scientists contributing to the report Technical Input to the 2013 National...
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In sea snails’ thin shells, evidence of climate change
The increasing acidity of sea water, caused by oceanic absorption of atmospheric carbon dioxide, contributes to weakened shells of living sea snails, according to researchers examining specimens of the...
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Will rapid evolution protect the marine food web? Unlikely, scientists say
While scientific research supports concern over the effects of ocean acidification on shell-building organisms, a laboratory experiment suggests that some species of Emiliania huxley chosen for its...
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Pine beetle infestations threaten sportsmen
University of Colorado In the Rocky Mountain states of Wyoming, Montana, Colorado and Idaho, acres of trees infested with the mountain pine beetle pose threats to hunters, fishermen, hikers, campers...
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Pine beetle and wildfires: the connection may not be what you think
Photo: U.S. Forest Service Recent research suggests dead-tree zones of forests killed by the mountain pine beetle may slow the spread of wildfires. Although the red needles and skeletal trunks look...
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Genetics linked to climate-driven behavior, studies show
Habitat shifts reducing chipmunks’ genetic diversity As temperatures in Yosemite National Park have warmed more than five degrees Fahrenheit over the past 100 years, alpine chipmunks have shifted their...
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Warm-adapted species pushing out cold mountain biota
As temperatures increase, shrubs will overtake alpine meadows. Photo: USFS Describing the process as thermophilization, European scientists have documented the transformation of mountain plant...
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High carbon emissions? So what?
So the Earth warms a few degrees before the end of the century; so what. The Earth has adapted to dramatic climate changes over the billion-years course of its existence; in all likelihood it will...
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