Reservoirs of Sri Lanka and their fisheries
Sir Lanka, a continental tropical island of 65000 km2, is reputed for its ancient irrigation reservoirs, constructed over the last 2000 years. The island, which is devoid of natural lakes has 3 ha of artificially created lentic waters for every km2,......
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| 格式: | 圖書 |
| 語言: | Undetermined |
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Rome
FAO
1988
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| Thư viện lưu trữ: | Trung tâm Học liệu Trường Đại học Cần Thơ |
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