The Asian waterfowl census 1987-91 : Distribution and status of Asian waterfowl
This document presents the findings of the most comprehensive census ever carried out on Asian waterfowl. Over 3,000 wetlands in 32 countries were assessed; distribution maps for 200 commonly recorded species are presented, with the most important sites identified for each species; sites of internat...
Đã lưu trong:
| Định dạng: | Sách |
|---|---|
| Ngôn ngữ: | Undetermined |
| Được phát hành: |
Gloucester, UK
International Waterfowl and Wetlands Research Bureau
1994
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| Những chủ đề: | |
| Các nhãn: |
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| Thư viện lưu trữ: | Trung tâm Học liệu Trường Đại học Cần Thơ |
|---|
| LEADER | 01121nam a2200193Ia 4500 | ||
|---|---|---|---|
| 001 | CTU_126531 | ||
| 008 | 210402s9999 xx 000 0 und d | ||
| 082 | |a 639.97841 | ||
| 082 | |b A832 | ||
| 245 | 4 | |a The Asian waterfowl census 1987-91 : | |
| 245 | 0 | |b Distribution and status of Asian waterfowl | |
| 245 | 0 | |c edited by Christian Perennou ; cartography by Arne Follestad and Lars Kvenild. | |
| 260 | |a Gloucester, UK | ||
| 260 | |b International Waterfowl and Wetlands Research Bureau | ||
| 260 | |c 1994 | ||
| 520 | |a This document presents the findings of the most comprehensive census ever carried out on Asian waterfowl. Over 3,000 wetlands in 32 countries were assessed; distribution maps for 200 commonly recorded species are presented, with the most important sites identified for each species; sites of international importance using the Ramsar 1% criterion are also identified. Some 496 wetlands were identified as being of international importance. A key conservation document for the region. | ||
| 650 | |a Water birds,Chim | ||
| 910 | |i Huỳnh Mai | ||
| 980 | |a Trung tâm Học liệu Trường Đại học Cần Thơ | ||