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Spatial Distribution Pattern and the Community Characteristic of Quercus liaotungensis Forest in the Ziwuling Region
Authors
孟蕾
杨晓梅
+4 more
程积民
胡秀娟
范文娟
韩娟娟
Publication date
1 January 2010
Publisher
Abstract
辽东栎是子午岭地区主要的优势森林树种,通过野外调查和室内分析相结合的方法,对子午岭林区辽东栎林种群分布格局及群落特征进行了研究,为其合理保护和经营提供依据。调查结果表明:(1)辽东栎随取样面积的增大,种群聚集度呈现出小→大→小的趋势;随林龄的增加,种群由聚集分布趋向随机分布。(2)子午岭辽东栎林除局部林是与其他林木混交外,一般都是纯林,形成乔灌草的典型垂直结构。(3)子午岭林区辽东栎林物种较为丰富且分布均匀,多样性大。乔木层、灌木层、草本层三者的多样性指数呈现出由低到高的特点。(4)林下幼苗的更新情况并不是太好,幼苗更新数量为80~210株.hm-2,且随外部环境的不同而有所差别
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Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources
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Last time updated on 21/09/2018