News tagged with lake ecosystem
New genetic evidence confirms coyote migration route to Virginia and hybridization with wolves
Changes in North American ecosystems over the past 150 years have caused coyotes to move from their native habitats in the plains and southwestern deserts of North America to habitats throughout the United States.
Oct 25, 2011 |
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NASA study finds Earth's lakes are warming
(PhysOrg.com) -- In the first comprehensive global survey of temperature trends in major lakes, NASA researchers determined Earth's largest lakes have warmed during the past 25 years in response to climate ...
Space & Earth / Earth Sciences
Nov 23, 2010 |
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Quagga mussels are clogging Hoover Dam, colonizing lakes and rivers
It took some of America's best engineers, thousands of laborers and two years of around-the-clock concrete pouring to build the 726-foot-high Hoover Dam back in the 1930s. It took less time than that for the tiny, brainless ...
Mar 02, 2009 |
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New paper assigns dollar figure to cost from ship-borne invasive species to the Great Lakes
Although there has been growing recognition among researchers and policy-makers that ship-borne invasive species cause a considerable economic toll, this environmental problem often goes unaddressed because of the difficulty ...
Mar 29, 2012 |
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Scientists Return from Expedition to Drill Beneath Frozen Russian Lake
(PhysOrg.com) -- A team of scientists from the United States, Germany, Russia and Austria has just returned from a six-month drilling expedition to a frozen lake in Siberia: Lake El'gygytgyn, "Lake E" for ...
Space & Earth / Earth Sciences
May 28, 2009 |
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Seeing the forest under the trees
(PhysOrg.com) -- Scientists recently discovered nitrogen that falls from the atmosphere in acid rain can influence large tracts of sugar maples in North America.
Dec 08, 2011 |
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Tahoe native fish population declines sharply, invasives on the rise
In a lakewide study, a team of scientists lead by University of Nevada, Reno limnologist Sudeep Chandra has found a considerable decline in native fish species density at Lake Tahoe since 1951. In their final ...
Mar 22, 2011 |
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In hot water: lakes speed up climate change
Lakes that warm up due to climate change give off large amounts of CO2, says Dutch PhD researcher Sarian Kosten in Global Biochemical Cycles. And those emissions speed up climate change in their turn.
Apr 06, 2010 |
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Shifting Baselines Confound River Restoration
Steep reductions in the abundance of fish, shellfish, and other aquatic fauna in recent centuries are not restricted to animals that live in the sea: historical records show that species in rivers and lakes worldwide also ...
Sep 01, 2009 |
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Highlight: California, Nevada Lakes Warming Rapidly
(PhysOrg.com) -- A new JPL study examines the impact recent variability in climate is having on the surface temperatures of large lakes in California and Nevada.
Space & Earth / Earth Sciences
Dec 21, 2009 |
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Researchers harness power of genome institute for Great Lakes study
A project by three Bowling Green State University biologists and a colleague is expected to unleash a virtual tsunami of information that will be usable for years to come not only by them but also by scientists worldwide ...
Nov 03, 2011 |
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Study assesses impact of fish stocking on aquatic insects
The impact fish stocking has on aquatic insects in mountain lakes can be rapidly reversed by removing non-native trout, according to a study completed by U.S. Forest Service and University of California, Davis, scientists.
Mar 26, 2009 |
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Arctic coasts on the retreat
The coastline in Arctic regions reacts to climate change with increased erosion and retreats by half a metre per year on average. This means substantial changes for Arctic ecosystems near the coast and the population living ...
Space & Earth / Earth Sciences
Apr 18, 2011 |
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High nitrate concentrations in U.S. Rockies' high elevation lakes caused by melting glaciers
Melting glaciers in the American West are releasing chemicals that cause ecosystem changes in alpine lakes, including large quantities of nitrogen that reduces biodiversity, according to an international research team led ...
Oct 12, 2010 |
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Some Canadian rivers at risk of drying up
(PhysOrg.com) -- Some Canadian rivers are at risk of drying up as impacts of climate change intersect with growing water demand from the country's cities, industries and agriculture, a new WWF report has found.
Oct 15, 2009 |
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