News tagged with boreal forest

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

created Dec 05, 2010 | popularity 3.4 / 5 (24) | comments 14 | with audio podcast

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 ...

Space & Earth / Environment

created Jul 27, 2011 | popularity 4.7 / 5 (12) | comments 3 | with audio podcast

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 ...

Space & Earth / Environment

created Mar 28, 2011 | popularity 3.3 / 5 (8) | comments 0

World's last great forest under threat: new study

(PhysOrg.com) -- The world's last remaining "pristine" forest - the boreal forest across large stretches of Russia, Canada and other northern countries - is under increasing threat, a team of international researchers has ...

Space & Earth / Environment

created Aug 25, 2009 | popularity 2.8 / 5 (8) | comments 3

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

created Jul 21, 2010 | popularity 3 / 5 (7) | comments 3 | with audio podcast

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 ...

Space & Earth / Environment

created May 16, 2011 | popularity 4.8 / 5 (4) | comments 0

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.

Space & Earth / Environment

created Mar 16, 2011 | popularity 4.5 / 5 (4) | comments 0

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

created Jul 18, 2011 | popularity 4.5 / 5 (4) | comments 0 | with audio podcast

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 ...

Space & Earth / Environment

created Sep 15, 2009 | popularity 3.2 / 5 (5) | comments 0

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

created Dec 03, 2009 | popularity 3 / 5 (4) | comments 1

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.

Space & Earth / Environment

created Mar 02, 2011 | popularity 5 / 5 (2) | comments 4

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

created May 08, 2012 | popularity 3.5 / 5 (2) | comments 0 | with audio podcast

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.

Biology / Plants & Animals

created Jul 04, 2011 | popularity 4 / 5 (1) | comments 0