Flora and Species Diversity in Riparian Zone of Middle Reaches of the Tarim River

LU Lei; ZHAO Zhen-yong; QIAO Mu; ZHANG Ke; ZHOU Sheng-bin; TANG Jin

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Flora and Species Diversity in Riparian Zone of Middle Reaches of the Tarim River

- Flora and Species Diversity in Riparian Zone of Middle Reaches of the Tarim River
- Bulletin of Soiland Water Conservation Vol. 30, Issue 1, Pages: 15-20(2011)
- 作者机构：
  
  1. 中国科学院新疆生态与地理研究所,新疆,乌鲁木齐,830011
  2. 中国科学院研究生院,北京,100049
  3. 新疆农业大学,新疆,乌鲁木齐,830052
- 作者简介：
- 基金信息：
- DOI：
  CLC： S782
- Published：2011
- 稿件说明：
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LU Lei, ZHAO Zhen-yong, QIAO Mu, et al. Flora and Species Diversity in Riparian Zone of Middle Reaches of the Tarim River[J]. Bulletin of Soiland Water Conservation, 2011, 30(1): 15-20.
DOI：

LU Lei, ZHAO Zhen-yong, QIAO Mu, et al. Flora and Species Diversity in Riparian Zone of Middle Reaches of the Tarim River[J]. Bulletin of Soiland Water Conservation, 2011, 30(1): 15-20. DOI：

摘要

塔里木河中游河岸带植物共有49种

隶属于15科38属.对塔里木河中游河岸带植物区系科、属的组成、地理成分和物种多样性进行了分析

结果表明:(1)塔里木河中游河岸带植物区系地理成分多样

单种科、单种属多

区系优势现象明显.(2)植物区系表现强烈的旱生性和古老性.(3)植物区系主要以温带为主

这表明塔里木河中游河岸带植物区系特征与该地区所处的北温带和古地中海地理位置是一致的.(4)特有种比例低

珍稀濒危保护植物种类较少.(5)从不同生境及不同林龄的物种多样性指数来看

水分条件是影响物种多样性变化的主要因素.

Abstract

Forty-nine species of plants

belonging to 15 families and 38genera

were identified in the middle reaches of the Tarim River in Xinjiang Wei Autonomous Region.The floristic constitution

geographical elements of families

genera of seed plants and species diversity were analyzed in this area.The results show that the flora had highly diverse geographical characteristics.Flora dominance was apparent as many single famili-es and single-genera existed.Most of the flora was strongly xeromorphic and antique.The flora dominated by temperate species

indicating that the flora characteristics of the middle reaches of the Tarim River agreed well with that of the North Temperate zone and old Mediterranean Sea.The percentage of endemic species was low

and rare and endangered plants were scarce.According to species diversity index of different habitats with various forest ages

water was the main factor affecting species diversity.

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