Restoration of Natural Herbaceous Vegetation of Xiangxi River's Water-Level Fluctuation Zone after the Flooding in Three Gorges reservoir Area

被引：3
|
作者：
Zhang, Chenghu [1 ]
Song, Tingting [1 ]
Liu, Ju [1 ]
Xia, Huijuan [1 ]
Wang, Jianzhu [1 ]
机构：
[1] China Three Gorges Univ, Yichang 443002, Hubei, Peoples R China
来源：
ADVANCES IN ENVIRONMENTAL ENGINEERING | 2012年 / 599卷
关键词：
Three Gorges reservoir area area Area; Water-level Fluctuation Zone; Species Diversity; Vegetation Restoration;
D O I：
10.4028/www.scientific.net/AMR.599.739
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Water-level fluctuation zone (WLFZ) is the security barrier of reservoir. Herbaceous vegetation's restoration characteristic of Xiangxi River's WLFZ in Three Gorges reservoir area was investigated by using ecological methods. The results show that: The main plant types are annual herbs and perennial herbs, and plant communities are patchiness or zonal distribution. Two absolute dominant plant communities are build by Cynodondactylon(Linn)Pers. and Rhizoma Cyperi (Nutgrass Galingale Rhizome) in the 145-155m area, and annual herbs are mainly distributed above the 155m area. As the elevation increasing, the 13 diversity increases. There are 22 dominant species of herbaceous in Xiangxi River's WLFZ, 16 plants could complete life story, and 5 plants' life story are threatened by impounding. Polygonum lapathifolium Linn.may not complete its life story.
引用
收藏
页码：739 / 743
页数：5
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