[1]郑佳丽,高国雄,王荣秀,等.北川河流域退耕还林还草地主要植物群落物种多样性研究[J].水土保持研究,2006,13(04):101-103,106.
　ZHENG Jia-li,GAO Guo-xiong,WANG Rong-xiu,et al.Studies on Species Diversity of Plant Community of the Converting Farmland in Beichuanhe Basin[J].Research of Soil and Water Conservation,2006,13(04):101-103,106.
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北川河流域退耕还林还草地主要植物群落物种多样性研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 13 期数: 2006年04期 页码: 101-103,106 栏目: 出版日期: 1900-01-01
Title:
Studies on Species Diversity of Plant Community of the Converting Farmland in Beichuanhe Basin
作者:
郑佳丽1, 高国雄1, 王荣秀2, 孙永红2, 张伟3, 周心澄1
1. 北京林业大学水土保持学院, 教育部水土保持与荒漠化防治重点实验室, 北京100083;
2. 青海省大通县林业局;
3. 青海省大通县水电局
Author(s):
ZHENG Jia-li1, GAO Guo-xiong1, WANG Rong-xiu2, SUN Yong-hong2, ZHANG Wei3, ZHOU Xin-cheng1
1. College of Soil and Water Conservation, Beijing Forestry University, Key Laboratory of Soil and Water Conservation and Desertification Combating of the Ministry of Education, Beijing 100083, China;
2. Forest Bureau of Datong County, Qinghai Province;
3. Hydroelectric Bureau of Datong County, Qinghai Province
关键词:
物种多样性; 退耕还林还草; 植物群落; 大通县
Keywords:
species diversity; conversion of farmland into forest and grassland; plant community; Datong county
分类号:
X171.1;X176
摘要:
对大通县北川河流域内不同植物群落全面考察的基础上,根据立地条件、植被及土地利用方式等因素,选取代表性地段,设置了24个标准地,应用丰富度指数、Gleason指数、Simpon指数、Shannon-Wienner指数和均匀度指数来综合分析物种丰富度、生态优势度、群落物种多样性和均匀度.结果表明:在不同的退耕时间序列上,随着时间的推移,群落逐渐趋于稳定,群落物种多样性和丰富度呈“小-大-小”的变化过程,而均匀度和优势度指数呈“大-小-大”的变化过程;对不同起源地的群落多样性,天然林>退耕地>耕地,且退耕多年地
Abstract:
The study was carried out in Beichuanhe basin of Datong county,Qinghai Province,where there is the demonstration site for Converting Cropland to Forest.Based on different communities in this area,the authors choose some representative areas,and set 24 standard localities according to the site factors,vegetation and land utility mode.And species richness,ecological dominance,species diversity and evenness of community are comprehensively calculated by richness index,Gleason index,Simpon index,Shannon-Wienner index and evenness index.The results are as follows.(1)According to different converting time,the community is becoming more and more steady as time goes on.The Shannon-Winenner index and richness index can be showed as a"small-big-small"process and Simpon and evenness index showed as"big-small-big".(2)According to different places of origin,the level of the species diversity can be arranged from top to bottom as following:nature forestconverted farmlandcultivated farmland.The diversity of converted farmland is close to that of the nature forest after some years.

参考文献/References:

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备注/Memo

收稿日期:2005-6-23
基金项目:“十五”国家科技攻关计划项目“退耕还林还草工程区水土保持型植被建设技术研究与示范”(2001BA510B01)
作者简介:郑佳丽(1982- ),女,硕士研究生,从事生态环境建设与监测研究.

更新日期/Last Update: 1900-01-01