Polar bears may get endangered status - VeggieBoards
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#1 Old 02-08-2006, 09:51 PM
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Polar bears may get endangered status



ANCHORAGE, Alaska (AP) -- Amid concerns that global warming is melting away the icy habitats where polar bears live, the federal government is reviewing whether they should be considered a threatened species.



The U.S. Fish and Wildlife Service said Tuesday that protection may be warranted under the Endangered Species Act, and began a review process to consider if the bears should be listed.



The rest: http://www.cnn.com/2006/TECH/science....ap/index.html
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#2 Old 02-09-2006, 12:19 AM
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Just general comments on the subject fom discussions I've had before -



Unfortunately, this is one of the more conspicuous examples (not meant to be sarcastic - but polar bears ARE big, fluffy, and cute) of how environmental change affects habitat. The habitat of polar bears, which depends on cycles of freezing and melting arctic ice at regular intervals, is in jeopardy because of global warming.



We're still coming out of an ice age, a phenomenon that was well under way long before any human activity had the opportunity to possibly accelerate the process.



My main contention is that our planet and its natural phenomena are immeasurably powerful. Creatures became extinct or evolved under equally violent circumstances long before we were ever a species.



Taking a this-is-the-fault-of-humankind position on this specific matter is fundamentalist and presumptuous. Sometimes the world changes on its own accord. It would do us well to consider this, so that we can look upon the potential of our efforts to minimize OUR impacts with greater clarity.
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#3 Old 02-10-2006, 10:07 PM
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I heard about this, something about the polar bears going out to swim & the ice shifting before they can get back on it so they drown? ;/ terrible.
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#4 Old 02-10-2006, 10:38 PM
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Originally Posted by Spaz View Post

I heard about this, something about the polar bears going out to swim & the ice shifting before they can get back on it so they drown? ;/ terrible.



No, the polar bear relies on the ice to hunt. Their primary food is seal. The seals maintain breathing holes through the ice, so a polar bear's favorite method is to lie in wait next to these holes until a seal comes up for air, sticks it's head out and the bear can ambush it.
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#5 Old 02-10-2006, 11:20 PM
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Originally Posted by Spaz View Post

I heard about this, something about the polar bears going out to swim & the ice shifting before they can get back on it so they drown? ;/ terrible.



Yep. That was mentioned in another article I had posted a few weeks ago. https://www.veggieboards.com/boards/s...ad.php?t=47111



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A survey by the U.S. Mineral Management Service has recorded elevated numbers of polar bears drowning. Some have been found swimming far out in the warming Arctic sea as the sea ice pulls back farther from land and the bears try to swim to shore.

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#6 Old 02-10-2006, 11:45 PM
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It's not drowning that is endangering the population, though, it's decreased access to food. Less ice = fewer seals to eat.



http://www.adn.com/front/story/6678177p-6564950c.html
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#7 Old 02-11-2006, 11:20 AM
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yeah - it's a systemic issue. The ice needs to be thin enough in certain places at certain times so the seals can poke through and be seen by the bears, who subsequently eat them.
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#8 Old 02-15-2006, 10:26 PM
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Originally Posted by nigel View Post

yeah - it's a systemic issue. The ice needs to be thin enough in certain places at certain times so the seals can poke through and be seen by the bears, who subsequently eat them.



thanx for all the info



peace and love



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