[1]陈蓓,孙辉,秦纪洪,等.朗川公路若尔盖湿地段人工移栽草皮的群落生态学研究[J].水土保持研究,2007,14(02):68-71.
　CHEN Bei,SUN Hui,QIN Ji-hong,et al.Community Biodiversity of Swarding Restoration Meadow for Highway Construction in the Zoige Wetland, NW Sichuan[J].Research of Soil and Water Conservation,2007,14(02):68-71.
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朗川公路若尔盖湿地段人工移栽草皮的群落生态学研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 14 期数: 2007年02期 页码: 68-71 栏目: 出版日期: 1900-01-01
Title:
Community Biodiversity of Swarding Restoration Meadow for Highway Construction in the Zoige Wetland, NW Sichuan
作者:
陈蓓1, 孙辉1, 秦纪洪1, 马睿1, 蹇依2
1. 四川大学建筑与环境学院, 成都, 610065;
2. 四川省交通厅交通勘察设计研究院, 成都, 610007
Author(s):
CHEN Bei1, SUN Hui1, QIN Ji-hong1, MA Rui1, JIAN Yi2
1. Department of Environmental Science and Engineering, Sichuan University, Chengdu 610065, China;
2. Sichuan Communication Surveying and Design Institute, Chengdu 610007, China
关键词:
若尔盖湿地; 草地植物群落; 群落多样性; 群落稳定性; 公路水土保持; 生态恢复
Keywords:
Zoige Wetland; grassland community; community biodiversity; community stability; water and soil conservation in highway construction; ecological restoration
分类号:
S157;U412
摘要:
通过对若尔盖湿地国家自然保护区国道213郎川段的回覆草皮进行植物群落人工恢复的野外定位试验和调查，对人工切割不同规格草皮植物群落及其α多样性指数进行了初步研究。结果表明，切割草皮试验样地物种丰富度S、Simpson和Shannon-Wiener多样性指数和均匀度指数均低于背景值；优势度指数高于背景值，优势种和建群种以禾本科、莎草科等为主，切割草皮上优势种的基本指标均高于背景样方；切割面积为30 cm×30 cm时厚度的增加会导致物种多样性和均匀度的增加，面积为50 cm×50 cm、厚度为20 cm样地会保持较为稳定的多样性指标，且有利于保持较高的地下生物量密度和地上生物量。草皮切割面积Sq与物种丰富度S和Ma之间呈极显著正相关，与Berger-Parker优势度指数呈极显著负相关。
Abstract:
Community biodiversity and diversity indices of sward restoration meadow are determined primarily through the field investigation and onsite studies in the Langchuan section of a national highway. The results indicate that the species richness index, Simpson and Shannon-Wiener diversity indices, and evenness index of sward are obviously less than those of the background, while the dominant index is higher than that of background. The dominant and constructive species mainly belong to Gramineae and Cyperaceae. Species diversity increases with the thickness of swarding pieces when the area is 30 cm×30 cm, and more large area is helpful to keep the community biodiversity. Highest above and belowground biomass and density can be reserved when the area is 50 cm×50 cm and thickness is 20 cm. The results also show that there exist a positive relationship sward pieces area and species richness, and negative relationship between the area and dominant index.

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备注/Memo

收稿日期:2006-7-3
基金项目:交通部西部交通建设科技项目“公路建设中草原环境及湿地保护措施研究”（KY-1）；四川大学青年科学基金（0030505505012）资助
作者简介:陈蓓（1981- ），女，水土保持与荒漠化防治专业硕士研究生，主要从事水土保持与生态恢复方面的研究。

更新日期/Last Update: 1900-01-01