Sentence examples for bear survival from inspiring English sources

Polar bear survival is strongly tied to the abundance of sea ice, which they rely upon to hunt seals.

In Alaska, the cold is not nearly enough to halt the melting of sea ice critical for polar bear survival, and humans are increasingly disturbing the arctic tundra habitat of the yellow-billed loon.

Also, I'm not sure I see strong support for this concluding sentence: "Although polar bears have persisted through previous warm phases, multiple human-mediated stressors (e.g., habitat conversion, persecution, and accumulation of toxic substances in the food chain) could magnify the impact of current climate change, posing a novel and likely profound threat to polar bear survival".

The study's news wasn't all bad: Polar bear survival ticked up again from 2008 to 2010, though not enough to offset the preceding years of population decline.

To obtain new insights into Late Pleistocene mammalian population dynamics, and to clarify the Quaternary history of the Irish mammal fauna and the evolutionary history of bears in Europe, we therefore conducted population viability analysis (PVA) to determine whether in situ Irish brown bear survival was possible for the duration of the LGM.

Broad taxon-focus and species-specific analytical studies of 'dynamic biogeography' have demonstrated that many species persist in peripheral subpopulations rather than core areas of their geographical range [ 11, 12], although extinction rates may also be higher at range edges [ 13, 14], making it difficult to predict the likelihood of brown bear survival in the peripheral Irish refugium.

Listing the polar bear would trigger a series of protections, including, in time, identifying habitat critical to the bears' survival.

Given South Dakota State's early shooting, the Bears' survival was not assured.

It does nothing to address the gravest threats to the bears' survival: oil and gas drilling and global warming.

Mr. Kempthorne said Wednesday in Washington that the decision was driven by overwhelming scientific evidence that "sea ice is vital to polar bears' survival," and all available scientific models show that the rapid loss of ice will continue.

Environmentalists say the mine is only the latest action by federal agencies in recent years to jeopardize the bears' survival, prompting speculation that the federal government may be writing off the marooned population.