巴丹吉林沙漠周边植被特征和物种多样性

王蒙; 董治宝; 逯军峰; 李继彦; 罗万银; 崔徐甲; 张玉; 刘铮瑶; 焦原磊; 杨林海

doi:10.7522/j.issn.1000-694X.2014.00113

中国沙漠 >

2015 , Vol. 35 >Issue 5: 1226 - 1233

DOI: https://doi.org/10.7522/j.issn.1000-694X.2014.00113

生物与土壤

巴丹吉林沙漠周边植被特征和物种多样性

王蒙 ,
董治宝 ,
逯军峰 ,
李继彦 ,
罗万银 ,
崔徐甲 ,
张玉 ,
刘铮瑶 ,
焦原磊 ,
杨林海

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1. 中国科学院寒区旱区环境与工程研究所沙漠与沙漠化重点实验室, 甘肃兰州 730000;
2. 陕西师范大学旅游与环境学院, 陕西西安 710062

王蒙(1988-),女,河南安阳人,博士研究生,主要从事沙产业研究。Email: lzwm88@126.com

收稿日期: 2014-04-29

修回日期: 2014-07-04

网络出版日期: 2015-09-20

基金资助

十二五科技支撑计划农村领域科技基础性工作专项(2012BAD16B0303);国家林业公益性行业科研专项(201304325)

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Vegetation Characteristics and Species Diversity around the Badain Jaran Desert

Wang Meng ,
Dong Zhibao ,
Lu Junfeng ,
Li Jiyan ,
Luo Wanyin ,
Cui Xujia ,
Zhang Yu ,
Liu Zhengyao ,
Jiao Yuanlei ,
Yang Linhai

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1. Key Laboratory of Desert and Desertification, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China;
2. College of Tourism & Environment Sciences, Shaanxi Normal University, Xi'an 710062, China

Received date: 2014-04-29

Revised date: 2014-07-04

Online published: 2015-09-20

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摘要

通过对巴丹吉林沙漠周边地区的野外调查,以重要值为测度指标,计算物种多样性指数、均匀度指数和优势度指数,对巴丹吉林沙漠周边地区荒漠植物群落物种多样性进行分析。结果表明:(1)该区域共计植物37种,各区域重要值大于0.1的物种中,灌木和半灌木占优势;(2)8个区域的Shannon-Wiener指数、Simpson指数、丰富度指数和优势度指数差异显著,区域5(北部)和7(西部)因含有单物种群落,Shannon-Wiener指数和Simpson指数显著低于其他区域;(3)荒漠植物群落结构层次中,8个区域的灌木层片每个多样性指数均没有显著性差异,草本层片在8个区域中多样性水平差异显著,由于荒漠区植被物种稀少、数量少,灌木层和草本层并未表现出显著差异;(4)巴丹吉林沙漠物种多样性水平较低,生态系统脆弱,对巴丹吉林沙漠周边地区生态系统重建时应该关注各种生态型植被的恢复重建。

关键词： 植被特征; 物种多样性; 巴丹吉林沙漠

本文引用格式

王蒙 , 董治宝 , 逯军峰 , 李继彦 , 罗万银 , 崔徐甲 , 张玉 , 刘铮瑶 , 焦原磊 , 杨林海 . 巴丹吉林沙漠周边植被特征和物种多样性[J]. 中国沙漠, 2015 , 35(5) : 1226 -1233 . DOI: 10.7522/j.issn.1000-694X.2014.00113

Abstract

Through field vegetation investigation in the marginal zone of the Badain Jaran Desert, the vegetation characteristics and species diversity were analyzed by calculating the species diversity indices, evenness indices and dominance indices based on important value. The results indicated that: (1)There were 37 kinds of plants in the region, and the shrubs and half- shrubs were the most among the species which the important value is larger than 0.1 in each area. (2)ANOVA showed that the Shannon-Wiener index, Simpson index, richness index and dominance index of eight regions are significantly different. The Shannon-Wiener index and Simpson index of 5 and 7 area are significantly lower than other regions because of their single specie communities. (3)Each diversity index of the shrub synusia was not significantly different in eight areas, however, there was difference in the herb synusia. The shrub and herb synusia did not show significant differences since the desert area's rare species and a small number of vegetation. (4)Due to Badain Jaran Desert's lower species diversity and fragile ecosystems, we should concern about the various ecological restoration of vegetation during the ecosystem reconstruction of the areas around Badain Jaran Desert.

Key words： vegetation characteristics; species diversity; Badain Jaran Desert

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