摘要
通过对海南岛霸王岭自然保护区原始热带山地雨林中林隙和非林隙林分的调查，分析了海南岛热带山财雨林中主要树种在林隙内外的数量特征、树各对林隙的更新反应和树种多样性的变化规律。结果表明：（１）不同树林隙内和非隙林分中出现的频度、密度和显著度不同，从而表现出其重要值的不同，根据不同树种在林隙内外重要值位序的差异大小，将海南热带山地雨林中树各划分为７种类型：即（１）只出现于林隙中。
Based on an investigation in gaps and nongap stands in the tropical montane rain forest of Bawangling Natural Reserve,Hainan Island,the quantitative characteristics of tree species in gaps and nongap stands,the regeneration responses of the major tree species to gaps and tree species diversity changes were analyzed.The results showed that the quantitative characteristics of tree species were significantly different in gaps and nongap stands.Tree species were classified into 7 groups according to their changes of orders of importance values in gaps and nongap stands .i.e.①species only occurred in gaps,②only occurred in nongap stands,③respond not significantly to gaps in regeneration,④strong positively responsive,⑤strong negatively responsive,⑥moderate positively responsive,and ⑦moderate negatively responsive.There were two types of response curves of regeneration density changes with gap development stages in the tropical tree species.i.e.the unimodal and double modal.The unimodal can be further classified into 3 subtypes.Calculation and analyses showed that gaps can enhance species richness and increase diversity.They afforded the necessary bases for the coexistence and maintenance of diverse species in the tropical montane rain forest.
出处
《生态学报》
CAS
CSCD
北大核心
1999年第2期151-158,共8页
Acta Ecologica Sinica
基金
国家自然科学基金
关键词
热带山地雨林
林隙更新
更新动态
海南岛
tropical montane rain forest,gap phase regeneration,regeneration dynamics,Hainan Island.
