Near the top of the world, plants grow on soil that rests atop permafrost, or permanently frozen soil. Just like plants in warmer regions, these need nitrogen to grow. The unique aspects of the permafrost environment create ...
Environment
Feb 4, 2019
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Scientists have been searching for over two decades to explain how the Arctic is contaminated with toxic mercury pollution. A new study sheds light on the likely process, while warning of its hazards to humans and the environment.
Environment
Feb 12, 2018
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15
Climate change takes a heavy toll on the tundra, increasing the probability of extreme droughts. As a result, the frequency of fires in forests, bogs and even wetlands continues to rise. In addition, the northern areas of ...
Ecology
Dec 13, 2017
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14
Vast amounts of toxic mercury are accumulating in the Arctic tundra, threatening the health and well-being of people, wildlife and waterways, according to a UMass Lowell scientist investigating the source of the pollution.
Environment
Jul 12, 2017
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773
A new study from the University of Eastern Finland presents, for the first time, the isotopic fingerprint of nitrous oxide produced by Arctic soils. The finding opens new avenues for predicting future trends in atmospheric ...
Environment
Apr 7, 2017
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31
Findings from one of the first comprehensive field studies by a collaborative team of researchers demonstrate the active layer microbiome of tundra soil was significantly altered after only 1.5 years of experimental warming—a ...
Environment
Feb 22, 2016
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34
There are huge amounts of organic carbon in the soil beneath the tundra that covers the northernmost woodless areas of the planet. New research findings from Aarhus University show that the tundra may become a source of CO2 ...
Earth Sciences
Oct 10, 2013
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0
Seabird activity is contributing significantly to methane and nitrous oxide emissions in the Arctic tundra, a new study shows. Methane emissions, which play an important role in the global carbon cycle, and nitrous oxide ...
Environment
Jan 15, 2013
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0
Carbon stored in Arctic tundra could be released into the atmosphere by new trees growing in the warmer region, exacerbating climate change, scientists have revealed.
Environment
Jun 17, 2012
2
0
(PhysOrg.com) -- Microscopic animals that live in soils are as diverse in the tropical forests of Costa Rica as they are in the arid grasslands of Kenya or the tundra and boreal forests of Alaska and Sweden, according to ...
Ecology
Oct 18, 2011
2
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