Sentences with phrase «polar bear numbers»

Rather, global polar bear numbers have been stable or slightly improved.
While polar bear numbers are increasing in two of these populations, two others are definitely in decline.
Just because polar bear numbers might have increased in the previous three or four decades, we must not discount the evidence that they are now declining in some areas and are expected to soon decline in others.
In April 2012, a report by the government of Nunavut on polar bear number contradicted the so - called experts;
The total failure of polar bear numbers to crash as predicted in response to the abrupt decline in summer sea ice in 2007 and persistent low summer sea ice levels since then (Crockford 2017), is vindication for Mitch Taylor.
«There have been no new reports of falling polar bear numbers, and images of fat, healthy polar bears abound,» paleozoologist Susan Crockford noted.
Comments Off on IUCN Specialist Group now rejects polar bear numbers it used for 2015 IUCN Red List review
Although the extent of the summer sea ice after 2006 dropped abruptly to levels not expected until 2050, the predicted 67 - per - cent decline in polar bear numbers simply didn't happen.
Scientists fear melting sea ice could one day make killer whales the Hudson Bay's top predator, a startling ecosystem shift and a blow for Inuit populations already reeling from dwindling polar bear numbers.
The first of the series was about polar bears, which have been called the canaries in the global - warming coal mine, even though polar bear numbers are actually the highest on record.
That has led many scientists to become worried about the possibility that Arctic ice - loss would severely reduce polar bear numbers.
Abrupt summer sea ice decline has not affected polar bear numbers as predicted: even though sea ice levels dropped to mid-century levels in 2007, the expected decimation of polar bears failed to occur.
That paper, which was not peer - reviewed, argued that because polar bear numbers have remained relatively stable despite faster - than - expected sea ice loss over the past decade, scientists» predictions of future population declines are flawed.
To suggest that increases in polar bear numbers because of harvest controls has some relationship to projected decreases in response to losses of habitat only serves to distract the reader from the issue at hand.
Western Hudson Bay polar bear numbers have stabilized.
Currently, the status of polar bear subpopulations is variable; in some areas of the Arctic, polar bear numbers are likely declining, but in others, they appear to be stable or possibly growing.
When ad agency Grey London saw the report about the declining polar bear numbers, a major cause being human activity, the creatives designed a new WWF logo featuring the polar bear.
Overall, and based on actual population studies, there is good evidence that polar bear numbers have increased, as Lawson said.
In scanning comments generated by the recent flurry of internet interest in polar bears and blogs I noticed that a good many people, fed alarming media stories, are still convinced that polar bear numbers are declining rapidly when nothing could be further from the truth.
It acknowledges that polar bear numbers have not declined in recent years even though summer sea ice dropped dramatically but goes on to perpetuate a number of myths that might not have happened if the author had done his homework or quizzed his other experts as thoroughly as he did me.
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