Wetland conservation : A review of current issues and required action
There is today a growing awareness that many wetlands are more valuable in their natural, or only slightly modified state, than if drained, dyked or built upon. Past neglect of wetlands has meant that there is insufficient material available on policy guidance, planning techniques, or management met...
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Gland, Switzland
IUCN
1990
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| Thư viện lưu trữ: | Trung tâm Học liệu Trường Đại học Cần Thơ |
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