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A landscape ecological classification of Maowusu Sandland, Inner Mongolia, China
Authors
陈仲新
Publication date
1 January 1994
Publisher
Abstract
本文利用等级式的划分方法对内蒙古毛乌素沙地景观生态类型进行了研究。在分析了毛乌素沙地的景观生态过程特点的基础之上选取了景观分类研究的指标,借用了植被科学最先进的分类方法二元指示种分析(TWINSPAN)划分出了10种内蒙古毛乌素沙地的景观生态类型。并对景观生态类型进行了排序分析,采用的方法为无倾向对应分析(DCA)。TWINSPAN与DCA算法的相似性使得二者的合成分析成为可能。通过逐步回归与回归分析,指出内蒙古毛乌素沙地景观生态的主导因子为地下水位、覆沙厚度、基质、地形等。 最后本文分析了各种景观生态类型的生态特性,并在上述分析的基础之上讨论了内蒙古毛乌素沙地的持续利用问题
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of Botany,Chinese Academy Of Sciences
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Last time updated on 09/01/2019