Polar bears look set to see their numbers dwindle by nearly third by mid-century, a top conservation body said Thursday, warning climate change poses the greatest threat to the king of the Arctic.
Ecology
Nov 19, 2015
0
56
An analysis of ancient DNA from a 100,000-year-old polar bear has revealed that extensive hybridization between polar bears and brown bears occurred during the last warm interglacial period in the Pleistocene, leaving a surprising ...
Plants & Animals
Jun 16, 2022
2
1072
Due to global warming, temperatures in the Arctic are climbing rapidly. As a result, the treeline for Siberian larch forests is steadily advancing to the north, gradually supplanting the broad expanses of tundra which are ...
Earth Sciences
May 27, 2022
90
197
Federal fishery regulators Thursday approved an unprecedented plan to ban U.S. commercial fishing in the Arctic Ocean.
Environment
Feb 6, 2009
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0
Findings of unexpected large numbers of fin and humpback whales in the previously ice infested waters of East Greenland now indicate a tipping point in the marine ecosystem from one regime to another that may be irreversible.
Plants & Animals
Nov 21, 2022
0
361
Climate change is known to affect the population dynamics of single species, such as reindeer or caribou, but the effect of climate at the community level has been much more difficult to document. Now, a group of Norwegian ...
Earth Sciences
Jan 17, 2013
0
0
Based on data from 10 long-term forest monitoring plots, including seven from the Smithsonian's ForestGEO network, a team led by Jacob Usinowicz during his doctoral dissertation at the University of Wisconsin-Madison, provides ...
Environment
Sep 20, 2017
0
396
As the Arctic and the oceans warm due to climate change, understanding how a rapidly changing environment may affect birds making annual journeys between the Arctic and the high seas is vital to international conservation ...
Plants & Animals
Dec 21, 2021
0
10
Climate change will significantly alter how sound travels underwater, potentially affecting natural soundscapes as well as accentuating human-generated noise, according to a new global study that identified future ocean "acoustic ...
Earth Sciences
Mar 24, 2022
0
74
The tracking of cold-water creatures offers insights into the worrisome effects of global warming.
Plants & Animals
Dec 29, 2022
0
40
