News tagged with boreal forest
Geologists map prehistoric climate changes in Canada's Yukon Territory
Researchers at the University of Pittsburgh have joined an international group of scientists to study past climate changes in the Arctic. Comprising geologists from Pitt's Department of Geology and Planetary Science, the ...
Space & Earth / Earth Sciences
May 08, 2012 |
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Largest recorded tundra fire yields scientific surprises
In 2007 the largest recorded tundra fire in the circumpolar arctic released approximately as much carbon into the atmosphere as the tundra has stored in the previous 50 years, say scientists in the July 28 ...
Jul 27, 2011 |
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World's forests' role in carbon storage immense, profound
Until now, scientists were uncertain about how much and where in the world terrestrial carbon is being stored. In the July 14 issue of Science Express, scientists report that, between 1990 and 2007, the world's forests stored ...
Space & Earth / Earth Sciences
Jul 18, 2011 |
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NY biologists map strategy to save spruce grouse
Genetic analysis at the state museum confirms what biologists squishing through Adirondack bogs already knew: New York's population of the spruce grouse, a chicken-like bird of the boreal forest, is nearing extinction.
Jul 04, 2011 |
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New study reduces threat level for caribou in Alberta's oilsands country
(Edmonton) A University of Alberta researcher has co-written an extensive study of the caribou population in the Fort McMurray oilsands region that show the animals' survival isn't as threatened as was perceived in the past. ...
Jun 21, 2011 |
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Will global climate change enhance boreal forest growth?
With an increasingly warmer climate, there is a trend for springs to arrive earlier and summers to be hotter. Since spring and summer are the prime growing seasons for plants—when flowers bloom and trees ...
May 16, 2011 |
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Mountain pine beetle marching east from Alberta
A University of Alberta-led research team has determined that the mountain pine beetle has invaded jack pine forests in Alberta, opening up the possibility for an infestation that could stretch across the Prairies and keep ...
Apr 04, 2011 |
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Russian boreal forests undergoing vegetation change, study shows
the largest continuous expanse of forest in the world, found in the country's cold northern regions – is undergoing an accelerating large-scale shift in vegetation types as a result of globally and regionally warming ...
Mar 28, 2011 |
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Canada's unique wetlands under threat: report
Canada, which has the world's largest intact forest, must do more to protect the one-of-a kind natural treasure, which increasingly is under threat from large-scale industrial activity, a new report said Wednesday.
Mar 16, 2011 |
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Study illustrates shifting boreal forest ecosystem in Alaska
(PhysOrg.com) -- A new study released in the scientific journal Ecology Letters offers one of the first confirmations of a wholesale shift in the boreal forest ecosystem due to climate change.
Mar 02, 2011 |
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Who will lead Santa's sleigh as reindeer decline?
Rudolph, Donner, Blitzen and their caribou cousins might not be around much longer if global warming and industrial development in their boreal forest homes continues.
Dec 14, 2010 |
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Northern wildfires threaten runaway climate change, study reveals
Climate change is causing wildfires to burn more fiercely, pumping more greenhouse gases into the atmosphere than previously thought, according to a new study to be published in Nature Geoscience this week. ...
Space & Earth / Earth Sciences
Dec 05, 2010 |
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Warmer climate entails increased release of carbon dioxide by inland lakes
Much organically bound carbon is deposited on inland lake bottoms. A portion remains in the sediment, sometimes for thousands of years, while the rest is largely broken down to carbon dioxide and methane, which are released ...
Space & Earth / Earth Sciences
Jul 21, 2010 |
3 / 5 (7) |
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Carbon and oxygen in tree rings can reveal past climate information
The analysis of carbon and oxygen isotopes embedded in tree rings may shed new light on past climate events in the Mackenzie Delta region of northern Canada.
Space & Earth / Earth Sciences
Dec 03, 2009 |
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Study predicts an uncertain future for forests
The composition of some of our nation's forests may be quite different 200 to 400 years from today according to a recent study at the University of Illinois. The study found that temperature and photosynthetic active radiation ...
Sep 15, 2009 |
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