The Arctic is warming twice as fast as the rest of the planet, causing the carbon-containing permafrost that has been frozen for tens or hundreds of thousands of years to thaw and release methane into the atmosphere, thereby ...
Earth Sciences
Feb 7, 2019
1
237
Significant changes in one of the Earth's most important ecosystems are not only a symptom of climate change, but may fuel further warming, research suggests.
Environment
Jul 6, 2015
0
133
If you flew from the sea towards the land in the north slope of Alaska, you would cross from the water, over a narrow beach, and then to the tundra. From the air, that tundra would look like a landscape of room-sized polygonal ...
Earth Sciences
Oct 23, 2020
11
517
Using a previously published and carefully curated 68-gene dataset, the scientists ran a battery of mathematical models to reconstruct the evolution of protein sequences—the results of which, have been published today in ...
Plants & Animals
Mar 22, 2022
0
244
The wide-scale introduction of large herbivores to the Arctic tundra to restore the "mammoth steppe" grassland ecosystem and mitigate global warming is economically viable, suggests a new paper from the University of Oxford.
Environment
Jan 27, 2020
2
870
In 2007 the largest recorded tundra fire in the circumpolar arctic released approximately as much carbon into the atmosphere as the tundra has stored in the previous 50 years, say scientists in the July 28 issue of the journal ...
Environment
Jul 27, 2011
3
0
Climate change threats to life on Earth are systemic, interconnected and on a scale unprecedented in human history, the UN's climate science advisors have warned in a draft report seen exclusively by AFP.
Environment
Jun 23, 2021
3
6
Despite the size and severity of the massive 2007 Anaktuvuk River fire on Alaska's North Slope, much of the arctic vegetation has recovered and the tundra is likely to return to its pre-fire condition according to University ...
Environment
Aug 30, 2013
0
0
Nitrogen, an essential plant nutrient, is most readily absorbed by plants in its ammonium and nitrate forms. Because of the very low nitrate levels found in arctic tundra soil, scientists had assumed that plants in this biome ...
Environment
Mar 23, 2018
0
137
Rapidly warming conditions in the Arctic and the loss of sea ice caused by climate change are driving a steep decline in biodiversity, including among plants, fungi and lichen.
Ecology
Jun 22, 2023
0
73
