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UA scientists seek new emphases in Arctic climate change research
“What’s understudied is the living component of the Arctic and that includes humans,” said Syndonia “Donie” Bret-Harte, associate professor of biology at the University of Alaska Fairbanks and co-auth...
Earth Sciences |
Read moreThe change in Arctic nature foreshadows the global environment of the future
Researchers at the University of Helsinki have participated in two new studies indicating that the changes are astonishingly fast. Many original species of Arctic areas are in jeopardy, as global warm...
Studies and Analyses | Read moreDramatic biological responses to global warming in the Arctic
The team's research documents a wide range of responses by plants, birds, animals, insects, and humans to the warming trend. The scientists found that the increase in mean annual surface temperat...
Ecology, The Environment and Conservation | Read moreIPY follow-up requires year-round research on Arctic and global warming
But the call has gone out for a return to the poles for a more focused investigation into the effects of global warming. Leading the charge back to the Canadian Arctic is David Hik, a University of Al...
Life Sciences | Read moreCU-Boulder study shows 53-million-year-old high Arctic mammals wintered in darkness
CU-Boulder Assistant Professor Jaelyn Eberle said the study shows several varieties of prehistoric mammals as heavy as 1,000 pounds each lived on what is today Ellesmere Island near Greenland on a sum...
Earth Sciences | Read moreTreeline Advances in Canada’s Arctic
In a widely recognized painting by Tom Thomson, a bent and lonely tree hunches on a rocky ledge overlooking a windswept lake and distant snowy peaks. The misshapen tree remains so emblematic of the be...
Earth Sciences | Read moreGoose eggs may help polar bears weather climate change
As polar bears adapt to a warming Arctic—a frozen seascape that cleaves earlier each spring—they may find relief in an unlikely source: snow goose eggs. New calculations show that changes in the timin...
Life Sciences | Read moreResearch Team Advances Knowledge of Antarctica's Climate History
The collaboration’s research, which resulted in a major advance in the understanding of Antarctica’s climatic history, appears in the Aug. 4 issue of the Proceedings of the National Academy of Science...
Earth Sciences | Read moreUnique fossil discovery shows Antarctic was once much warmer
The discovery by an international team of scientists is published today in Proceedings of the Royal Society B. It involved researchers from the University of Leicester, North Dakota State University, ...
Earth Sciences | Read moreSatellites can help Arctic grazers survive killer winter storms
That was the case in October 2003 on Canada's Banks Island, at the edge of the Beaufort Sea inside the Arctic Circle. Rain fell for several days on top of a 6-inch snow cover, and the rain seeped...
Earth Sciences | Read moreArctic herds could get help from satellites
Some 20,000 musk oxen died on Canada's far-northern Banks Island because of such conditions during the winter several years ago. Yet, their deaths went unnoticed until the next spring. The new sa...
Earth Sciences | Read moreEnvironmental researchers propose radical 'human-centric' map of the world
Prof. Erle Ellis of UMBC and Prof. Navin Ramankutty of McGill assert that the current system of classifying ecosystems into biomes (or "ecological communities") like tropical rainforests, gr...
Ecology, The Environment and Conservation | Read moreArctic heat wave stuns climate change researchers
“Everything has changed dramatically in the watershed we observed,” reports Geography professor Scott Lamoureux, the leader of an International Polar Year project announced yesterday in Nunavut by Ind...
Earth Sciences | Read moreArctic predators and climate change
One of these project concerns the reduction in the population of several Arctic predators, including the Arctic fox, which is now classified as an endangered species. The project is headed by ...
Ecology, The Environment and Conservation | Read moreTropical forests -- Earth's air conditioner
But a new study suggests that, as a way to fight global warming, the effectiveness of this strategy depends heavily on where these trees are planted. In particular, tropical forests are very efficient...
Ecology, The Environment and Conservation | Read more
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