文献类型：期刊文献

中文题名：海南岛热带山地雨林林隙及其自然干扰特征

英文题名：GAPS AND THEIR NATURAL DISTURBANCE REGIMES IN THE TROPICAL MONTANE RAIN FOREST OF HAINAN ISLAND

作者：臧润国[1] 杨彦承[2] 刘静艳[3] 余世孝[3] 杨秀森[4]

第一作者：臧润国

机构：[1]中国林业科学研究院森林生态环境与保护研究所;[2]中国林业科学研究院资源信息研究所;[3]中山大学生物系;[4]海南霸王岭林业局

年份：1999

卷号：35

期号：1

起止页码：1-8

中文期刊名：林业科学

外文期刊名：SCIENTIA SILVAE SINICAE

收录：CSTPCD;;Scopus;北大核心:【北大核心1996】；CSCD:【CSCD2011_2012】；

基金：国家自然科学基金

语种：中文

中文关键词：热带雨林;山地;林隙;自然干扰;海南岛

外文关键词：Tropical montane rain forest, Gaps, Natural disturbance, Hainan island

分类号：S718.54

摘要：通过对海南岛霸王岭原始热带山地雨林中５３个林隙的调查，研究了海南热带山地雨林林隙的基本特征和自然干扰规律。海南热带山地雨林林隙的形状近似于椭圆形，椭圆的长短轴比率不随林隙的大小而变化，基本上都在１４左右；扩展林隙（ＥＧ）和树冠空隙（ＣＧ）在热带山地雨林景观中的面积比例分别为５３５２％和２５２２％，干扰频率分别为１３４％·ａ－１和０６３％·ａ－１，林隙干扰的返回间隔期约为１６０ａ。海南热带山地雨林中ＥＧ的大小一般变化在３０～５００ｍ２左右，平均约为１６０ｍ２，大多数ＣＧ的大小一般都变化在１５～２００ｍ２左右，平均约为８０ｍ２。大多数的林隙是在４０ａ以前形成的，而１０～３０ａ之前形成的林隙最多。大多数林隙是由１～４株形成木创造的，而由２株形成木创造的林隙最多。林隙形成木通过掘根、枯立、干基折断和干中折断死亡的比例分别是１６８８％，１４２９％，３６３６％和３２４７％，在不同的林隙中可见到形成木这几种死亡形式的不同组合。海南热带山地雨林中的林隙主要是由２０余个树种创造的，其中不仅有第一层的树种，而且还有第二、三层的树种。文章最后以林隙动态理论为基础，对海南热带山地雨林的经营提出了几点建议。
Through field investigation of 53 gaps in some permanent plots of virgin tropical montane rain forest in Bawangling nature reserve of Hainan island, this paper deals with gap characteristics and their natural disturbance regimes in tropical montane rain forest of Hainan island. Gaps in the tropical montane rain forest are elliptic in horizontal forms, the ratio of long axis/short axis for each gap is about 1 4. The area percentage of expanded gap(EG) and canopy gap(CG) in the forest landscape is 53 52% and 25 22% respectively. The natural disturbance frequency for EG and CG is 1 34%·a 1 and 0 63%·a -1 respectively, the return interval of canopy gaps is about 160a. The size of most EG in the tropical montane rain forest range from 30m 2 through 500m 2, averaged about 160m 2. And the size of most CG in the forest range from 15m 2 through 200m 2, averaged about 80m 2. Most gaps were formed 40 years ago, and most of which aged 10～30a. Most gaps were made by 1～4gap makers, of which two gap maker gaps are the majority. The percentage of different dead gap makers are as follow:uprooting 16 88%, standing die 14 29%, breakage at trunk base 36 36% and breakage on trunk 32 47%. Most gaps were formed by some combination of gap makers of different die manners. Major gap makers are about 20 tree species, in which there are not only tree species in the first canopy layer, but also tree species in the second and third layers. Finally, based on the study of gap dynamics in the tropical montane rain forest in Hainan island, some suggestions were made about management in the tropical montane rain forest.