Polar bear numbers dropping because of meltng Arctic sea ice

Scientists have sounded an alarm with regard to polar bears - the polar bear numbers could drop by a third in the next 40 years and that would be because of melting Arctic sea ice caused by global warming. In the opinion of scientists, there is a 71% likelihood that polar bear numbers will be reduced by more than 30% in three generations.
This would mean that the current population of some 26,000 bears could be cut to around 17,300 over a period of 35 to 41 years.
This has been reported in news.sky.com dated 7 December 2016.

The animals are already listed as "vulnerable" on the International Union for Conservation of Nature (IUCN) red list of threatened and endangered species. The loss of sea ice as a result of climate change is having a direct impact on the ability of polar bears to feed and survive. These animals need platforms of ice to reach their prey of ringed and bearded seals and some sea of the ice lies over more productive hunting areas than others.
Incidentally, polar bears have been divided into 19 sub-populations by scientists and two of which have already experienced population declines due to shrinking sea ice.


Image courtesy wikimediacommons.org

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