[1]吉小敏,梁继业.塔里木河上游荒漠与绿洲过渡带植物群落组成与多样性特征分析[J].浙江林业科技,2017,37(05):16-22.[doi:10.3969/j.issn.1001-3776.2017.05.003]
 JI Xiao-min,LIANG Ji-ye.Analysis on Species Composition and Diversity of Plant Communities in Ecotone of Desert and Oasis in the Upper Reaches of Tarim River[J].Journal of Zhejiang Forestry Science and Technology,2017,37(05):16-22.[doi:10.3969/j.issn.1001-3776.2017.05.003]
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塔里木河上游荒漠与绿洲过渡带植物群落组成与多样性特征分析()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
37
期数:
2017年05期
页码:
16-22
栏目:
出版日期:
2017-11-30

文章信息/Info

Title:
Analysis on Species Composition and Diversity of Plant Communities in Ecotone of Desert and Oasis in the Upper Reaches of Tarim River
作者:
吉小敏12梁继业3
1. 新疆林业科学院 造林治沙研究所,新疆 乌鲁木齐 830063;2. 新疆精河荒漠生态系统定位研究站,新疆 乌鲁木齐 830063;3. 塔里木大学,新疆 阿拉尔 843300
Author(s):
JI Xiao-min12 LIANG Ji-ye3
1. Institute of Afforestation and Sand Control, Xinjiang Academy of Forestry Science,Urumqi 830063, China; 2. Xinjiang JingheDesert Ecosystem Research Station, Urumqi 830063, China; 3. Tarim University, Alar 843300, China
关键词:
塔里木河上游荒漠与绿洲过渡带植物群落多样性
Keywords:
upper reaches of Tarim River ecotone of desert and oasis plant community diversity
分类号:
S718.5
DOI:
10.3969/j.issn.1001-3776.2017.05.003
文献标志码:
A
摘要:
2010 年7-8 月,采用实地样方法和样线法对新疆维吾尔自治区沙雅县荒漠与绿洲过渡带植物群落进行野外调查,采用Margalef 丰富度指数、Shannon-Wiener 指数、Pielou 均匀度指数和生态优势度等指标综合分析了塔里木河上游植物群落组成与多样性特征。调查显示,绿洲-荒漠过渡带共有9 科14 种植物,可划分为6 个群落类型,植物群落分层明显,结构简单。在过渡带中,乔木平均密度为771.1 株·hm-2,灌木平均密度为1 413.3 株·hm-2,草本平均密度为864.9 株(丛)·hm-2;过渡带植物Margalef 丰富度指数为1.47,Shannon-Wiener 指数为1.62,Pielou均匀度指数为0.61,生态优势度为0.26;群落多样性指数显示较好的水分条件促进形成较复杂的群落,在远离河岸地区由于空间异质降低,群落向较为均匀的方向发展。
Abstract:
During July to August of 2010, field investigations by quadrat and line transect method were conducted on species composition of plantcommunities in the ecotone of desert and oasis in the upper reaches of Tarim River, Shaya county, Xinjiang UygurAutonomous Region. Analysis wascarried out on diversity of the research area by Margalef richness index, Shannon-Wiener index, Pielou evenness index and ecological dominance.The results showed that there were14 species plant of 9 families, and could be divided into 6 community types. The plant communities had evidentlayers and simple structure. The mean density of arbors was 771.1 trees/ha, that of shrub 1 413.3 trees/ha, and that of herb 864.9 clump/ha. Margalefabundance index was 1.47, Shannon-Wiener index1.62, Pielou evenness index 0.61 and ecological dominance 0.26. The investigation and analysisresulted that species in the communities near the River had more diversities.

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备注/Memo

备注/Memo:
收稿日期:2017-04-24;修回日期:2017-07-30基金项目:兵团科技攻关计划课题(2014BA035);“十二五”农村领域国家科技计划项目(2012BAD16B0305);中国科学院野外站联盟项目(KFJ-SW-YW027-04)共同资助作者简介:吉小敏,高级工程师,从事生态恢复和荒漠化防治研究;E-mail:75774680@qq.com。通信作者:梁继业,副教授,从事荒漠化防治与景观生态学研究;E-mail:jethro123123@126.com。
更新日期/Last Update: 2017-10-20