海南岛亚地带界线划分的探讨

基金项目:

国家自然科学基金项目(30270122)

香港嘉道理农场暨植物园项目(20041128)

详细信息

On the subzone demarcation in Hainan Island

South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, P. R. China

摘要: 海南岛虽然是热带区域，但内部自然条件的差异仍比较明显，就南北差异可把全岛划分成南部热带和北部热带两部分，已有学者尝试着划分出亚地带的分界线。龙脑香林作为亚洲热带林的标志，在海南主要分布于东南部.龙脑香科植物为海南的地带性植被类型——热带常绿季雨林优势类群。通过分析龙脑香林的分布与生态学特性，并参考了植物地理区划的原则，笔者尝试重新界定海南亚地带分界线。
- 龙脑香林 /
- 亚地带界线 /
- 海南
Abstract: Obvious differences exist between southern and northern natural conditions of Hainan Island which lies in the tropical area and can be divided into two parts: the southern tropics and the northern tropics. Some scientists also attempted to draw subzone demarcation. Dipterocarpaceae forest, as a sign of tropical forest in Asia, is distributed mainly in southeast of Hainan Island. In addition, plants of Dipterocarpaceae are dominant in tropic evergreen monsoon forest and belong to a zonal vegetation type of Hainan. The authors evaluated the demarcation line on the basis of the distribution of typical forests, Dipterocarpaceae forests, and draw a new line that across from Changjiang through Baisha and Qiongzhong to Wanling. The ecology and geographical distribution of Dipterocarpaceae forests are described.
- Dipterocarpaceae forest /
- subzone demarcation line /
- Hainan

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