| Where Do The Buffalo And Elk Still Roam? |
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Less than twenty-one percent of the earth's terrestrial surface still contains all of the large mammals that used to occur there 500 years ago. Large mammals are top predators and serve as landscape engineers, so their loss has long-term effects on the health of an ecosystem. The study also points out the vulnerability of large mammals to extinction, and the importance of protected areas where large mammals still occur. Read more at: http://www.sciencedaily.com/releases/2008/01/080104144843.htm. |
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