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Blue crab comeback

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轉寄 列印
第1級人氣樹(0)
人氣指樹
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"Overfishing and changes in crabs' habitats have reduced the number of blue crabs in the Chesapeake Bay. This is a disaster. Many people depend on blue crabs for their jobs. Learn how scientists have stepped in to study the lives of these blue beauties so that they can keep a healthy crab population."--

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