Lakes suffering from harmful algal blooms may not respond to reduced, or even discontinued, artificial nitrogen loading. Many blue-green algae responsible for algal blooms can fix atmospheric nitrogen dissolved in the water, ...
Environment
Dec 18, 2017
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37
Excess carbon dioxide, emitted by burning fossil fuels like coal and petroleum, is one of the most important factors in driving global warming. While the world is focused on controlling global warming by limiting these emissions, ...
Environment
Nov 23, 2017
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6
(Phys.org)—A team of researchers affiliated with several institutions in the U.S. has found that warming in Alaska has sometimes caused the Kodiak bear to switch to eating elderberries during salmon spawning periods instead ...
Invasive mussels and less nutrients from tributaries have altered the Lake Michigan ecosystem, making it more conducive to the stocking of lake trout and steelhead than Chinook salmon, according to a recent U.S. Geological ...
Ecology
Aug 16, 2017
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3
An EPFL study has for the first time measured the impact of climate change on alpine streams, and the results are quite worrying: after a low-snow winter, these streams release more carbon dioxide than they absorb.
Environment
Jun 9, 2017
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10
A new study from the University of Delaware is one of the first in the world to show that tree trunks in upland forests actually emit methane rather than store it, representing a new, previously unaccounted source of this ...
Environment
Mar 30, 2017
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286
Swarms of midges rise out of a lake in northern Iceland in such enormous numbers every spring and summer that they can impair breathing and darken the sky, giving the lake its name—Myvatn, or "midge lake."
Environment
Mar 20, 2017
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21
For decades, phosphorous has accumulated in Wisconsin soils. Though farmers have taken steps to reduce the quantity of the agricultural nutrient applied to and running off their fields, a new study from the University of ...
Environment
Mar 14, 2017
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37
An unprecedented 40-year experiment in a 40,000-acre valley of Yosemite National Park strongly supports the idea that managing fire, rather than suppressing it, makes wilderness areas more resilient to fire, with the added ...
Environment
Oct 24, 2016
1
202
A common way to restore Swedish streams previously used for timber-floating has been to return rocks. A group of researchers at Umeå University has studied the effects of improved methods that also add large boulders and ...
Ecology
Oct 11, 2016
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