海南岛尖峰岭地区热带植被生态系列的研究

 本文通过对海南岛尖峰岭地区热带植被随环境条件递变而变化的分析，反映出在一较短的水平距离内植被变化的多样性，并通过群落生态学方法的分析，说明尖峰岭地区的植被在种类组成、多样性、群落外貌等方面都具有较典型的热带性质，但在群落的结构方面则比典型的热带雨林逊色，说明它是地处热带北缘和在季风气候影响下的必然结果。用重要值方法来描述热带植物群落，其结果较为理想。研究该地区热带植被的特点，对认识、了解我国的热带植被和经营热带林等方面，提供了一些理论依据。

STUDY OF TROPICAL VEGETATION SERIES IN JIANFENGLING REGION, HAINAN ISLAND

1. Under the background of tropical monsoon climate, this region situated in the Northern edge of tropics is influenced by the South-western monsoon in the dry season, and because of the Massenerhebung (mass elevation) effect, it forms the ecological series of seashore xerophytic thorn shrub, savanna, tropical semi-deciduous monsoon forest, tropical evergreen monsoon forest, tropical mountain rain forest and mossy forest. It is an epitome of the distribution of vegetation types in Hainan Island and is a good base for science research, practice and preservation and development of rare species in our country.2. Analysis of every community showed that the vegetation in Jianfengling possesses the character of tropical rain forest but in vertical structure, it is inferior to typical tropical rain forest. The vegetation types change with the increase in altitude and the change of environmental condition and obey the principle of vertical distribution in south-eastern Asian mountains.3. The point-centered quadrant method may be used for tropical vegetation and we have obtained certain results by using it. Representative species that can represent various vegetation types can be found in the tropical complex community through I. V. (Important Value). It is very valuable for the study and classification of tropical forests.