Coincident with concerns about the accelerating loss of species and habitats has been a growing appreciation of the importance of biological diversity, the number of species in a particular ecosystem, to the health of the Earth and human well-being.
A growing appreciation of the importance of biological diversity, the number of species in a particular ecosystem, to the health of the Earth and human well-being has been coincident with concerns about the accelerating loss of species and habitats.
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发表于 2004-5-17 09:47:00
