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Polar Bears Will Starve If They Don't Eat

BBC - Earth News - Polar bears face 'tipping point' due to climate change

Climate change will trigger a dramatic and sudden decline in the number of polar bears, a new study has concluded.
The research is the first to directly model how changing climate will affect polar bear reproduction and survival.
However, these projections are essentially educated guesses, based on experts judging or extrapolating how current population trends might continue as the climate changes.

"mortality will dramatically increase when a certain threshold is passed; for example, while starvation mortality is currently negligible, up to one-half of the male population would starve if the fasting season in Western Hudson Bay was extended from currently four to about six months."

So if you don't eat for a long time you will die, no shit Sherlock. Thank goodness for modern research based on models because; until now, most studies measuring polar bear survival have relied on a method called "mark and recapture".
This involves repeatedly catching polar bears in a population over several years, which is cost and time-intensive.

That measuring stuff in the real world is like so old fashioned....

Comments

Where would we be without experts?

"However, these projections are essentially educated guesses, based on experts judging or extrapolating how current population trends might continue as the climate changes."

That is a surprising admission from the BBC. I wonder if they would ever say the same about climate change which is in the same realm of guess, extrapolate and project.

Cannot get through to the BBC. However your summary suggests that if Arctic winters become longer and colder, fewer Polar Bears will make it through to Spring. Well, colour me astonished!

Mind you, that's not what we were previously told by all the "authorities", including the Beeb.

May I record my fury that the expression "climate change" has been stolen by the Greenies? This used to be a routine, uncontroversial description of climate history. Then it was vociferously denied by the Warmers. Finally, when even they noticed it had stopped getting warmer, the Alarmists suddenly, about two years ago, took the term to hide the lack of incline but still keep the scare going. Lying fatherless.

surprised no comment on the astounding programme on radio 4 last night wherein various environomentalists declared global warming to be so serious as to require a bypassing of democracy...we don't believe in it but they are demanding the right to impose their solution anyway! Quite extra-ordinary and it seemed like the BBC agreed

surprised no comment on the astounding programme on radio 4 last night wherein various environomentalists declared global warming to be so serious as to require a bypassing of democracy...we don't believe in it but they are demanding the right to impose their solution anyway! Quite extra-ordinary and it seemed like the BBC agreed

Hey, I can play too.

"If the Amazon river dries up, much of the Amazon rain forest will be in danger."

Or

"If rainfall patterns shift from the East coast of South America to Northern Africa Cairo may be submerged."

Dear Tim,

There is another much more serious threat to polar bears :

LADIES WHO LUNCH

Ladies who lunch are under serious threat
global warming’s munching up their “habitat”.
The ice, for their drinks, hopelessly melting away
will soon disappear on one much-too-fine day

They’re dressed in white fur, and it’s not ersatz;
have they no conscience, these oh so elegant cats ?
And while lunching, is it a mere slip of the tongue
that makes them eat, as hors-d’oeuvres, their young ?

For if this is the case, should bad man really worry
HE is cause for the sad decline of white furry ?
Ladies who lunch are a serious threat :
it’s not me who is munching on their “habitat” ....

Alan McAlpine Douglas

A wonderful example of AGW propaganda: http://www.istockphoto.com/stock-photo-4095333-the-last-polar-bear.php

Note the declaration in brackets underneath the photo.

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