| 海南岛乐东县的植被和植被区划 |
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| 引用本文： | 陈树培. 海南岛乐东县的植被和植被区划[J]. 植物生态学报, 1982, 6(1): 37-50 |
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| 作者姓名： | 陈树培 |
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| 作者单位： | 中国科学院华南植物研究所 |
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| 摘 要： | 乐东县位于海南岛西南部，全县呈盆地状的地貌，背山面海，具有山地，丘陵，台地和平原等地貌类型。气候为季风热带气候，终年高温，有明显干、湿季之分，年雨量比全岛的年雨偏少，只有1000一1600毫米，蒸发量大，环境干热。山地则具较湿凉的山地气候特点。全县植被包括各种典型的热带植被。其地带性植被类型为常绿季雨林。同时这里也分布着本岛最典型的热带落叶季雨林。山地上还有沟谷雨林、山地雨林和山顶矮林等，台地上有草原、灌木草丛、刺灌丛及滨海砂生植被等。根据各种植被类型的组合形式和地理分布的特点，以及植被改造、利用方向的一致性，将本县划分为4个植被区和9个植被亚区。并从植被的角度提出森林的保护和垦殖利用问题。
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The Vegetation and Vegetational Regionalization of Le Dong County, Hainan Island |
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| Chen Shupei. The Vegetation and Vegetational Regionalization of Le Dong County, Hainan Island[J]. Acta Phytoecologica Sinica, 1982, 6(1): 37-50 |
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| Authors: | Chen Shupei |
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| Abstract: | Le Dong County is situated in the southwestern part of Hainan Island, lying in 18˚58′NL and 109˚24′EL. The topography of the county is a basin, including mountains, hills, terraces and plains. Generally speaking, the temperature is high all the year around and the humidity with distinct alternation of dry and wet seasons. On the plain the climate is characterized by an annual rainfall with 1000-1600mm. and high evaporation being rather dry and hot, while on the mountainous area the climate is rather humid and mild.The vegetation of this region consists of several types, namely the tropical evergreen monsoon forest, the tropical deciduous monsoon forest, the montane rain forest, the valley rain forest, the dwarf mountainous woodland, the shrubby grassland, the littoral thorn thicket. Being on the compositional pattern of different vegetation types and their characteristics of geographical distribution, and the uniformity in the improvement and utilization of vegetation, the vegetation regionalization of the county may be divided into four districts and nine sub-districts. |
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