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Posted Mon Jul 27 2009: from Environmental Health News:
Polar bears on thinner ice http://apocadocs.com/s.pl?1248709614
Longer ice-free seasons in the Canadian Arctic are leading to diet changes and increased contaminants in polar bears. Hudson Bay's polar bears are more contaminated with some pollutants now than in the past due to warmer temperatures that are melting ice sooner in the spring and forcing the bears to eat different food.... Fatty acid fingerprints revealed that the bears now eat more harbor and harp seals and fewer bearded seals than before. This shift in diet resulted in higher levels of PCBs and flame retardants (but not the pesticides DDT or chlordane) in their tissues.
[Read more stories about: arctic meltdown, climate impacts, ecosystem interrelationships, flame retardants]
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unclebob says: "Those bearded seals are getting long in the tooth."

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'Doc Jim says:
I'll bet the bearded seals don't mind this change at all!

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