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塔里木盆地塔里木沙拐枣群落特征/The community characteristics of Calligonum roborowskii A.Los in Tarim Basin[J]
Authors
DAUN Shimin
Gulnur Sabirhazi
+6 more
PAN Borong
中国科学院新疆生态与地理研究所吐鲁番沙漠植物园,吐鲁番838008
古丽努尔·沙比尔哈孜
干旱区生物地理与生物资源重点实验室,中国科学院新疆生态与地理研究所,乌鲁木齐830011
段士民
潘伯荣
Publication date
1 January 2012
Publisher
Abstract
塔里木沙拐枣(Calligonum roborowskii)主产塔里木盆地,是该地区主要防风固沙先锋树种.以塔里木盆地5个天然塔里木沙拐枣群落为研究对象,通过样方凋查,对物种组成,区系成分,群落结构,物种丰富度和多样性等要素进行了初步研究,结果表明:塔里木沙拐枣天然群落共出现种子植物11种,分属6科10属;该群落植物种类组成贫乏,区系成分简单.从属的地理成分分析来看,古地中海成分明显多于温带成分;群落生活型以高位芽植物占优势,1年生植物次之;群落的垂直结构简单,可分为灌木层、草本层;从多样性指数的数量特征来看,Shannon-Wiener多样性指数的变化范围为0.808-1.175,Simpson多样性指数的变化范围为0.489-0.641
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Last time updated on 29/11/2016