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Penguins A Threatened Ecotourism Treasure
Posted on July 04, 2008
Penguin life has gotten more precarious since this 1913 NOAA photo.Penguin populations have been declining and shifting globally as a result of oil pollution, overfishing, guano mining (!) and increased coastal development, according to research by Dee Boersma from the University of Washington, published in the July-August edition of the journal BioScience.Climate changes cause dramatic shiftsBoersma sees penguins as marine sentinels of the Southern Hemisphere. They depend on predictable climate for their breeding cycles and need high ocean productivity for the krill and fish they su... ...
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