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发表于 2008-8-18 10:24:28
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In fact, we humans are part of nature. Nature provides living space for both humans and other animals. Biodiversity is the variety of life: the different plants, animals and micro-organisms. Increased urbanisation and the spread of human infrastructures, over-exploitation of natural resources, pollution in all its forms, the introduction of exotic species into our ecosystems – these factors are all highly damaging for biodiversity. |
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