| 荒漠草原自然恢复中植物群落组成及物种多样性 |
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| 引用本文： | 张晶晶,王蕾,许冬梅.荒漠草原自然恢复中植物群落组成及物种多样性[J].草业科学,2011,28(6):1091-1094. |
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| 作者姓名： | 张晶晶 王蕾 许冬梅 |
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| 作者单位： | 宁夏大学农学院,宁夏银川750021;宁夏大学西北土地退化与生态恢复国家重点实验室培育基地,宁夏银川750021;宁夏大学农学院,宁夏银川750021;宁夏草原工作站,宁夏银川750021 |
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| 基金项目： | 国家自然科学基金(30960268); 国家973计划前期研究(2010CB434805) |
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| 摘 要： | 摘要：通过调查封育3、4、5、6、7年及未封育荒漠草原群落的特征，研究了不同封育年限下草原植物群落组成及生物多样性的变化，以期探明封育对荒漠草原群落恢复的影响。结果表明，封育改变了草原植物群落组分，表现为随封育年限延长，多年生草本植物，特别是短花针茅(Stipa breviliora)等一些地带性物种比例增加；封育草原的Shannon Wiener指数、Pielou指数、Simpson指数均比未封育草地高，封育5年草原的多样性指数最大。
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| 关 键 词： | 荒漠草原 自然恢复 植物群落 物种多样性 |
Composition and plant species diversity of plant community in the process of natural restoration of desert steppe |
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| ZHANG Jing-jing,WANG Lei,XU Dong-mei.Composition and plant species diversity of plant community in the process of natural restoration of desert steppe[J].Pratacultural Science,2011,28(6):1091-1094. |
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| Authors: | ZHANG Jing-jing WANG Lei XU Dong-mei |
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| Institution: | ZHANG Jing-jing1,2,WANG Lei1,3,XU Dong-mei1,2(1.School of Agricultural,Ningxia University,Ningxia Yinchuan 750021,China,2.Breeding Base of State Key Laboratory for Preventing Land Degradation and Ecological Restoration,3.Grassland Station of Ningxia,China) |
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| Abstract: | The plant composition and species diversity for desert steppes were identified and calculated to determine the effect of enclosure to desert steppe by field survey in the 3 years,4 years,5 years,6 years and 7 years enclosure plots.This study showed that the enclosure changed the composition of plant community,indicating that the perennial species,especially some zone species such as Stipa breviliora,increased with the increase of enclosing time.The Shannon-Wiener indicator,Pielou indicator and Simpson indic... |
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| Keywords: | desert steppe natural restoration plant community species diversity |
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