| 王二包自然保护区森林植被格局及其与环境因子关系 |
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| 引用本文： | 余顺慧,邓洪平.王二包自然保护区森林植被格局及其与环境因子关系[J].西南农业大学学报,2010,32(5). |
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| 作者姓名： | 余顺慧 邓洪平 |
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| 作者单位： | 西南大学生命科学学院;三峡库区生态环境教育部重点实验室;重庆三峡学院; |
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| 基金项目： | 重庆市自然科学基金计划项目(CSTC,2008BB5256); 重庆三峡学院科技资助项目 |
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| 摘 要： | 通过样方调查,使用TWINSPAN及DCCA分析方法,研究了王二包自然保护区植被格局及其与环境因子的关系.结果表明:(1)调查样地内共有维管植物233种,隶属于89科、168属;其中蕨类植物13科、17属、21种,裸子植物3科、5属、5种,被子植物73科、146属、207种.(2)王二包自然保护区植被划分为8类TWINS-PAN群落类型.(3)土壤pH、海拔及土壤厚度反映了DCCA第一轴的环境变化,坡度和坡向反映了DCCA第二轴的环境变化;总体体现了植被类型的变化梯度,即从上向下,伴随着由光照充足的大坡度环境向光照一般的平地过渡的同时,阔叶林群落向针阔混交林和针叶林过渡.
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| 关 键 词： | 王二包自然保护区 植被格局 群落分类 环境因子 |
Study on Forest Vegetation Patterns and Their Relationships with Environmental Factors in Wangerbao Nature Reserve |
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| YU Shun-hui,DENG Hong-ping . School of Life Science,Southwest University,Key Laboratory of Eco-environments in Three Gorges Reservoir Region,Chongqing ,China,. Chongqing Three Gorges University,Wanzhou.Study on Forest Vegetation Patterns and Their Relationships with Environmental Factors in Wangerbao Nature Reserve[J].Journal of Southwest Agricultural University,2010,32(5). |
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| Authors: | YU Shun-hui DENG Hong-ping School of Life Science Southwest University Key Laboratory of Eco-environments in Three Gorges Reservoir Region Chongqing China Chongqing Three Gorges University Wanzhou |
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| Institution: | YU Shun-hui1,2,DENG Hong-ping1 1. School of Life Science,Southwest University,Key Laboratory of Eco-environments in Three Gorges Reservoir Region,Chongqing 400715,China,2. Chongqing Three Gorges University,Wanzhou 404000 |
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| Abstract: | In a sampling plot survey,two-way indicator species analysis(TWINSPAN)and detrended canonical correspondence analysis(DCCA)were employed to study the vegetation patterns in Wangerbao Nature Reserve and their relationships with environmental factors.A total of 233 vascular plant species were recorded,belonging to 89 families and 168 genera,including 21 pteridophyte species of 13 families and 17 genera,5 gymnosperm species of 3 families and 5 genera,and 207 angiosperm species of 73 families and 146 genera.Veg... |
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| Keywords: | Wang'erbao Nature Reserve vegetation pattern community classification environmental factor |
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