The warming climate shifts the dynamics of tundra environments and makes them release trapped carbon, according to a new study published in Nature. These changes could transform tundras from carbon sinks into carbon sources, ...
Earth Sciences
Apr 17, 2024
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68
Living and nonliving factors that influence the types of vegetation that grow at different elevations in the Arctic tundra also regulate the types of bacteria that grow in the soil. The distribution of generalist bacteria, ...
Ecology
Jun 21, 2023
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48
Soil stores more carbon than plants and the atmosphere combined, and soil microbes are largely responsible for putting it there. However, the increasing frequency and severity of drought, such as those that have been impacting ...
Ecology
Apr 12, 2023
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19
A research team from ETH Zurich and WSL traveled to Spitsbergen this summer to take a closer look at the phenomenon of Arctic greening. Project manager Sebastian Dötterl discusses research in the face of polar bears, strikes ...
Earth Sciences
Aug 31, 2022
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16
While most people think first of atmospheric carbon emissions from fossil fuels when considering climate change, the planet's soil actually stores more carbon and could become a major source of carbon release or a mitigation ...
Earth Sciences
Apr 14, 2022
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29
Arctic tundra, a unique ecosystem characterized by permafrost, contributes to approximately 45% of all Arctic methane sources and therefore plays an important role in global carbon cycle. Arctic region is warming faster than ...
Environment
Nov 9, 2020
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7
Phenology represents the seasonal dynamics of vegetation, and is an important indicator of local and regional climate change. With stronger warming trends at higher latitudes, the seasonality of vulnerable Arctic tundra is ...
Earth Sciences
Aug 20, 2020
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12
Wildfires in the Arctic often burn far away from populated areas, but their impacts are felt around the globe. From field and laboratory work to airborne campaigns and satellites, NASA is studying why boreal forests and tundra ...
Environment
Aug 13, 2019
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132
For years, scientists have pointed to warming permafrost in the Arctic tundra as a source for increased carbon in the atmosphere; as this soil warms, it releases greenhouse gases that have long been trapped in frozen ground.
Environment
Jul 3, 2019
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2
Thawing permafrost in high-altitude mountain ecosystems may be a stealthy, underexplored contributor to atmospheric carbon dioxide emissions, new University of Colorado Boulder research shows.
Environment
Mar 21, 2019
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