News
The celebrated Brazilian photojournalist depicted the world in stark contrasts, from the depths of human suffering to the ...
We identify biomes by the vegetation and animals that populate them and determine the location of each by the regional climate. The tundra biome is characterized by extremely cold temperatures and ...
With the Arctic warming faster than the global average, researchers at UBC and the University of Edinburgh have made an important discovery about tundra plants and how they are adapting faster ...
Tundra plants can eek out an existence in the very short summers of the Canadian High Arctic such as here on Ellesmere Island, Nunavut. (Anne Bjorkman, University of Gothenburg) Rapid climate change ...
Photograph by Kirill Kukhmar, TASS/Getty Images All of this is on top of ... McCarty says the hot, dry weather likely dried out tundra vegetation, priming it to burn. Layers of partly decomposed ...
This shift is partly due to giant polar wildfires burning down tundra vegetation and all the carbon it's stored. It's also because of permafrost thaw, which releases large amounts of methane — a ...
The Arctic tundra now releases more carbon than it naturally draws down from the sky, as wildfires burn down its trees and permafrost thaw releases potent gases from its soil. Once-brown regions are ...
Now scientists can add the Arctic tundra to that list. In most ecosystems, plants absorb carbon dioxide from the atmosphere. Those plants grow, die, or get eaten by animals that also grow and die.
The study, published today in the journal PNAS Nexus, highlights the importance of large herbivores to the Arctic ecosystem, linking grazing with plant phenology and abundance in the Arctic tundra.
Arctic tundra is the coldest ecological community ... ecosystem so that we can understand how the diverse tundra vegetation is responding to climate change and make the best use of satellite images of ...
The warming climate has transformed once icy and snowy regions of the country into barren landscapes, wetlands, and shrubby areas ripe with plants and green vegetation ... “By analyzing high ...
We spentwaytoo much time taking photos of the Tundra getting doused with water from the wooden pipes and wound up making the drive to Coos Bay in the dark, to bed down for the night. Dubbed the ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results