Polar Bears Struggle as Sea Ice Declines - NASA Earth Observatory
2020年2月4日 · A new study shows that polar bears are spending less time on sea ice, leading them to fast longer, become thinner and have fewer cubs.
Polar Bears Are Starving Because of Global Warming, Melting Sea Ice …
2018年2月1日 · Because of melting sea ice, it is likely that more polar bears will soon starve, warns a new study that discovered the large carnivores need to eat 60 percent more than …
Climate change: Polar bears face starvation threat as ice melts - BBC
2024年2月13日 · Some polar bears face starvation as the Arctic sea ice melts because they are unable to adapt their diets to living on land, scientists have found. The iconic Arctic species …
Polar bears across the Arctic face shorter sea ice season
2016年10月4日 · A new study by University of Washington researchers, funded by NASA and using satellite data from NASA and other agencies, found a trend toward earlier sea ice melt in …
Polar bear population decline the direct result of extended …
2025年1月31日 · June 16, 2022 — A new population of polar bears documented on the southeast coast of Greenland use glacier ice to survive despite limited access to sea ice. This small, …
Anti-icing properties of polar bear fur | Science Advances - AAAS
2025年1月29日 · The polar bear (Ursus maritimus) has become a global icon for climate change in large part due to its interaction with its diminishing sea ice habitat.As a marine mammal …
Climate change and loss of sea ice putting polar bears at risk of ...
2024年2月13日 · Scientists have long hypothesized what would happen to polar bear populations in the Arctic as sea ice continues to melt at unprecedented rates. But now they have visual …
As sea ice changes, so do polar bears - WWF Arctic
2022年2月25日 · Sea ice is essential habitat for polar bears—but across the Arctic, it is disappearing quickly. As a result of rising temperatures caused by the climate crisis, sea-ice …
Polar bear population decline the direct result of extended …
2025年1月30日 · U of T Scarborough researchers have directly linked population decline in polar bears living in Western Hudson Bay to shrinking sea ice caused by climate change. The …
Sea ice influence on male polar bear survival in Hudson Bay
We quantified the spatiotemporal dynamics of sea ice that remains in Hudson Bay during break-up (remnant ice) and assessed relationships with apparent survival for three age classes of …