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Polar bears are showing genetic changes as Arctic sea ice keeps disappearing
Polar bear subpopulations across the Arctic are losing genetic diversity and showing divergent gene activity as sea ice ...
The finding offers a small window of hope for a polar bear population vulnerable to the effects of climate change. A polar bear (Ursus maritimus) walks on pack ice in Svalbard, Norway. The effects ...
With roughly 22,000 to 31,000 polar bears spread across 19 subpopulations, the latest data reveal a striking divide: while some groups are shrinking fast, others are stabilizing or even improving ...
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