[1]郑奕,刘新春,杨金龙,等.塔里木河上游地区阿拉尔段天然退化生态系统植物群落物种多样性特征分析[J].水土保持研究,2005,12(02):131-134.
　ZHENG Yi,LIU Xin-chun,YANG Jin-long,et al.Analysis on Biodiversity Characteristics of Natural Plant Community of Degenerative Ecosystems in Upper Reaches of the Trim River, Aral[J].Research of Soil and Water Conservation,2005,12(02):131-134.
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塔里木河上游地区阿拉尔段天然退化生态系统植物群落物种多样性特征分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 12 期数: 2005年02期 页码: 131-134 栏目: 出版日期: 1900-01-01
Title:
Analysis on Biodiversity Characteristics of Natural Plant Community of Degenerative Ecosystems in Upper Reaches of the Trim River, Aral
作者:
郑奕1,2,3, 刘新春2, 杨金龙1,3,4, 潘晓玲1,3,4
1. 新疆大学资源与环境学院 乌鲁木齐 830046;
2. 中国气象局乌鲁木齐沙漠气象研究所 乌鲁木齐 830002;
3. 新疆绿洲生态重点实验室 乌鲁木齐 830046;
4. 干旱半干旱区可持续发展国际中心 乌鲁木齐 830046
Author(s):
ZHENG Yi1,2,3, LIU Xin-chun2, YANG Jin-long1,3,4, PAN Xiao-ling1,3,4
1. Resource & Environment Science College, Xinjing University, Urumqi 830046, China;
2. Institute of Desert Metearology, CMA, Urumqi 830002, China;
3. Xinjiang Key Laboratory of Oasis Ecology, Urumqi 830046, China;
4. International Research Center for Sustainable Development in Arid and Semi-arid Land, Urumqi 830046, China
关键词:
退化生态系统; 物种多样性指数; 荒漠化
Keywords:
degenerative ecosystems; biodiversity; desertification
分类号:
X171.;X176
摘要:
塔里木河是我国干旱区最长的一条内陆河，同时塔里木河流域也是我国生态环境脆弱地区之一，总体上荒漠化日益加剧，具体表现为土地沙漠化、土壤盐渍化、草场退化、生物多样性减少等，这些都严重的制约了区域社会经济的可持续发展。阿拉尔灌区位于塔里木河上游，从1950年以来，本区垦荒规模逐渐扩大，现已成为塔里木盆地最大的新绿洲。绿洲内部水量不断增加，而绿洲以外的水量却在减少。根据对样地的实际调查资料，采用物种多样性指数、丰富度和均匀度指数对塔里木河上游阿拉尔地区的天然植被的物种多样性进行了分析。结果表明，本研究区内的植物区
Abstract:
The Tarim River is the longest inland river in arid areas of China. At the same time, it is one of ecological environmental vulnerable areas. The general manifestation is that desertification is deteriorating. Idiographic exhibitions are as follows.Land desertification,soil salinization,grassland degradation, and reduction in biodiversity. All of these seriously destroyed the foundation of regional social and economic sustainable development. Located at the upper reaches of the Tarim River, Alar irrigation area is reclaimed after 1950. With the expansion of irrigation area, Alar irrigation area becomes the largest new oasis in the Tarim Basin. Water quantity has been improved within oasis, but has reduced outward oasis. Based on the inquisitional data of sampling sites,the biodiversity of the natural plant community in Aral area is analyzed by adopting diversity index, richness index and evenness index.The results show that species in this area are poorer and the configuration of community is simple. Species diversity index and richness index of oasis-desert transitional zone are very low. From the above analyses and combining with the practical situation,a conclusion is drawn that the degeneration of plant community which under the people’s interference is generally exist in this area, especially in oasis-desert transitional zone.Effective measures should be taken to restore the natural plant especially in those transitional zone.

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备注/Memo

收稿日期:2004-8-20;
基金项目:新疆维吾尔自治区科技攻关和重点科技项目（xj200302）；项目名称：绿洲生态安全与可持续发展研究
作者简介:郑奕（1975- ），女，新疆大学资源与环境科学学院绿洲生态重点实验室研究生，主要研究方向为荒漠环境生物；通讯作者：潘晓玲（1963- ），女，教授，博士生导师.

更新日期/Last Update: 1900-01-01