The outlook for the survival of polar bears is appearing even more precarious by factors induced by climate change.
The bears spent the day rolling and sliding down a snowy hill at Yorkshire Wildlife Park in the U.K.The outlook for the survival of polar bears appears precarious as scientists learn more about factors induced by climate change that are affecting the long-term health of the species.
. As the ice melted, the polar bears' habitat became fragmented, resulting in a rapid increase in genetic isolation and inbreeding among regions due to reduced contact with polar bears from the outside, scientists said.A polar bear is seen in Essen Bay off the coast of Prince George Land, an island in the Franz Josef Land archipelago, Aug. 22, 2021.
"We found a drastic reduction in genetic diversity over the 20-year period," Maduna said."And we could, in actual fact, associate this reduction in genetic diversity with the loss of sea ice."Mountains nearly devoid of snow stand behind a road and a polar bear warning sign during a summer heat wave on Svalbard archipelago, July 29, 2020, near Longyearbyen, Norway.
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