World Resousces, 1990 - 91: People and Ecosystems : the fraying web of life
This millennial edition of "World Resources" focuses on five critical ecosystems that have been shaped by the interaction of physical environment, biological conditions, and human intervention; croplands, forests, coastal zones, freshwater systems, and grasslands. All these ecosystems sust...
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| 格式: | 圖書 |
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| 語言: | Undetermined |
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Washington, D.C
World Resources Institute
2000
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| Thư viện lưu trữ: | Trung tâm Học liệu Trường Đại học Cần Thơ |
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