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SlideshowReport

Sequential decline of whale catches in the Antarctic shows the strong effect of human predators.

Description
Whale catches are believed to be directly related to whale population sizes. The catches of blue whale, the first species to be strongly affected by human predation, started a precipitous decline in the 1940s, as the whale was hunted to very low levels. Humans then began hunting more abundant fin whales, and in turn sei and minke whales, as each species became depleted.
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