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贡嘎山海螺沟冰川退却迹地植被原生演替
Alternative TitleVegetation Primary Succession on Glacier Foreland in Hailuogou, Mt. Gongga
李逊1; 熊尚发2
Corresponding Author李逊
1995
Source Publication山地研究
ISSN1000-002X
Volume13Issue:2Pages:109-115
Other Abstract

海螺沟冰川末端前,近2000m冰川退却迹地植被原生演替经历了:裸地-草本地被、柳-沙棘-水冬瓜、水冬瓜、云冷杉-桦-杜鹃及云冷杉五个发展阶段。据树木年轮推测,170年来冰川末端位置变化显著。植被发展过程、冰川退却速度与气候变化密切相关。与冰川退却对气候变化的响应相比,植被对气候变化的响应更为敏感。 
 

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Hailougou Glacier is located at the cast slope of Mt. Gongga in western Sichuan Proince. A vegetation inverstigation on foreland area has been done along the glacial valley within about 2000m form the glacier tongue. 13 plots distributed from the end of the glacier (altitude from 2950m to 2800m) have been carefully studied.
Further study indicates that the vegetaion primary succession on foreland area has experinenced 5 stages: 1. bare land-herds lasting 8-15a; 2. Salix-Hippophas-Populus lasting about 35a; 3. Populus lasting about 60a; 4. Picea, Abies-Betula-Rhododendron lasting about 30a; 5. Picea-Abies as a climax in the succession.
1920s is a turning point in the process of deglcaiation. During about 100a before 1920, the glacier retreated by 6m/a; but in the following 70a, it obviously accelerated by 20m/a, which also can be reflected by the distribution of end moraines.
Corresponded analysis also revealed the similarities of the change tendancy both in rate of deglaciation and total basal area of vegetaion. Wintin the distance of 1400-2000m from the glacier tongue, the glacier retreated slowly, while the total basal area of plants kept changing fast; but in the area within 0-1400m from the glacier tongue, the glacier began to accelarately retreat, as the change of total basal area of plant turned to slow down. In addition, evidences also show that the responsebility of forest ecosystem is more sensitive to the climatic change than that of the glacier.

Keyword贡嘎山 海螺沟冰川 退却迹地 植被 原生演替
Subject AreaQ948.154
DOI10.16089/j.cnki.1008-2786.1995.02.008
Indexed ByCSCD ; 北大中文核心
Language中文
CSCD IDCSCD:278151
Funding Organization国家自然科学基金
Citation statistics
Cited Times:11[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/18663
Collection成都山地所知识仓储(2009年以前)
Affiliation1.中国科学院水利部成都山地灾害与环境研究所
2.中国科学院地质研究所
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
李逊,熊尚发. 贡嘎山海螺沟冰川退却迹地植被原生演替[J]. 山地研究,1995,13(2):109-115.
APA 李逊,&熊尚发.(1995).贡嘎山海螺沟冰川退却迹地植被原生演替.山地研究,13(2),109-115.
MLA 李逊,et al."贡嘎山海螺沟冰川退却迹地植被原生演替".山地研究 13.2(1995):109-115.
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