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当前位置: 首页 > 文章 > 喀纳斯旅游区森林群落类型及其物种多样性随海拔梯度的变化 新疆农业科学 2008,45 (2) 225-230
Position: Home > Articles > Altitudinal Changes of Forest Community Types and Species Diversity in Kanasi Tourism Region Xinjiang Agricultural Sciences 2008,45 (2) 225-230

喀纳斯旅游区森林群落类型及其物种多样性随海拔梯度的变化

作  者：
张荟荟;潘存德;巴扎尔别克.阿斯勒汗;寇福堂;谭卫平
单  位：
喀纳斯国家自然保护区;新疆农业大学林学院
关键词：
喀纳斯;海拔梯度;群落类型;α多样性;β多样性
摘  要：
采用典型样带调查法,对喀纳斯旅游区森林群落类型及其α多样性和β多样性随海拔梯度的变化趋势进行了分析。结果表明:①森林群落基本上以西伯利亚落叶松为主体,垂直梯度分布较明显,伴生树种西伯利亚云杉和西伯利亚红松沿海拔梯度出现了明显的替代现象。②乔木层Patrick丰富度指数和Shannon Wiener多样性指数均沿海拔梯度呈现下降趋势,Pielou均匀度指数则沿海拔梯度无明显变化趋势。林下草本层α多样性沿海拔梯度均无明显的变化趋势。③乔木层β多样性随海拔升高呈现上升趋势,但在森林群落过渡区出现了明显的低谷。草本层β多样性沿海拔梯度同样没有表现出明显的变化趋势。
译  名：
Altitudinal Changes of Forest Community Types and Species Diversity in Kanasi Tourism Region
作  者：
ZHANG Hui-hui1,PAN Cun-de1,Bazhaerbiekd·Asiliehan2,KOU Fu-tang2,TAN Wei-ping2(1.College of Forestry,Xinjiang Agricultural University,Urumqi 830052,China;2.Kanasi National Natural Preservation Areas,Buerjin Xinjiang 836600,China)
关键词：
Kanasi;altitudinal gradient;community type;α diversity;β diversity
摘  要：
Using typical transect method,this study was carried out to research forest community structure and altitudinal changes of forest community structure and species diversity in Kanasi tourism region.The results indicated: ①Larix sibirica Ldb.was the main species in forest community,altitudinal pattern of vegetation was obvious.There was an evident replacing phenomenon between Picea obovata Ldb.and Pinus sibirica Ldb.along altitudinal gradient.②As for tree,Patrick(D)richness index and Shannon Wiener(H′) diversity index were decreasing along altitudinal gradient,but Pielou(Jsw) evenness did not present evident trend along altitudinal gradient.What is more,α diversity indexes of herb were variable,having no distinct trend.③β diversity of tree was ascending along altitudinal gradient,but there was visible lower value in transition region of forest community.Furthermore,β diversity of herb also did not present evident trend along altitudinal gradient.

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