Researchers have found that global changes, including warming temperatures and increased levels of carbon dioxide in the atmosphere, are causing a decrease in the availability of a key nutrient for terrestrial plants. This ...
Environment
Oct 22, 2018
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When exposed to nitrogen fertilizer over a period of years, nitrogen-fixing bacteria called rhizobia evolve to become less beneficial to legumes - the plants they normally serve, researchers report in a new study.
Environment
Feb 23, 2015
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(PhysOrg.com) -- The number of sugar maples in Upper Great Lakes forests is likely to decline in coming decades, according to University of Michigan ecologists and their colleagues, due to a previously unrecognized threat ...
Ecology
Jan 16, 2012
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Researchers have demonstrated that stainless steel and other metal alloys coated with hexagonal boron nitride, or hBN, exhibit non-stick or low-friction qualities along with improved long-term protection against harsh corrosion ...
Nanomaterials
Jan 15, 2024
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Non-native 'space invaders' are transforming the world's precious grassland ecosystems, with new research showing that they do far better than native plant species in the presence of fertiliser and large herbivores like kangaroos, ...
Ecology
Jul 17, 2015
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A new study finds that human activities are likely contributing far less nitrogen to the open ocean than many atmospheric models suggest. That's generally good news, but it also nullifies a potential side benefit to additional ...
Environment
Jan 6, 2016
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(PhysOrg.com) -- Scientists recently discovered nitrogen that falls from the atmosphere in acid rain can influence large tracts of sugar maples in North America.
Ecology
Dec 8, 2011
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(Phys.org) —Researchers have called for a system of carbon emission assessments that reflect better the true contribution of each emitting nation to the increase in atmospheric CO2 and promote preservation of forests, particularly ...
Environment
Jul 16, 2013
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Human-induced changes to Earth's carbon cycle - for example, rising atmospheric carbon dioxide and ocean acidification - have been observed for decades. However, a study published this week in Science showed human activities, ...
Environment
Nov 27, 2014
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Thirty-eight U.S. national parks are experiencing "accidental fertilization" at or above a critical threshold for ecological damage, according to a study published in the journal Atmospheric Chemistry and Physics and led ...
Environment
Oct 10, 2013
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