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Titlebook: Distribution and ecology of vascular plants in a tropical rain forest; Forest vegetation in J. B. Hall,M. D. Swaine Book 1981 Springer Scie

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樓主: Malevolent
31#
發(fā)表于 2025-3-27 01:00:41 | 只看該作者
32#
發(fā)表于 2025-3-27 01:13:23 | 只看該作者
Utilisation and conservation of Ghanaian forestarge towns are known to have been founded near the forest-savanna boundary at least as early as 1 100 A. D. (Posnansky & Mcintosh 1976) and are suspected to have traded in gold obtained from the forest zone. The first of a series of important forest states, Akwamu, arose about 1 500 A.D.
33#
發(fā)表于 2025-3-27 06:29:37 | 只看該作者
humid tropical forests, a unique biome, are matters of great concern and importance to millions living within and around these forests and, perhaps, less directly, to the totality of mankind. These forests provide many essential products and services for mankind. The list is lengthy and need not be
34#
發(fā)表于 2025-3-27 09:26:18 | 只看該作者
35#
發(fā)表于 2025-3-27 14:08:48 | 只看該作者
36#
發(fā)表于 2025-3-27 20:05:55 | 只看該作者
37#
發(fā)表于 2025-3-28 01:55:21 | 只看該作者
38#
發(fā)表于 2025-3-28 05:54:44 | 只看該作者
Distribution and ecology of vascular plants in a tropical rain forestForest vegetation in
39#
發(fā)表于 2025-3-28 09:44:51 | 只看該作者
40#
發(fā)表于 2025-3-28 12:26:25 | 只看該作者
What is forest?defined at a Pan-African conference at Yangambi (C.S.A. 1956), and more recently by UNESCO (1973). Forest is dominated by trees at least 5 m high, whose crowns interlock, and lacks a continuous grassy ground layer. The crowns of trees in savanna are separated, or trees may be absent; there is always
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