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Structural Characteristics of Herbages Under Forest Plantations in Ziwuling Mountains
Authors
孟蕾
张继敏
+5 more
杨晓梅
程积民
胡秀娟
范文娟
韩娟娟
Publication date
1 January 2010
Publisher
Abstract
通过随机采样法,将子午岭3种类型森林林下草本植物的物种组成、结构特征及变化差异与北山阳坡作对照分析,研究了子午岭不同林型下草本植物生长分布状况。研究结果表明,3种林下及北山阳坡物种数量在21~34种之间,与北山阳坡草本植物物种数较接近的是油松林;3种林下草本植物的高度、盖度与北山阳坡差异极显著,各森林类型间无明显差异;北山阳坡草本植物多样性指数与林下存在明显差异;对草本植物间相关性进行分析后发现,各林下及北山阳坡物种间呈显著正相关的物种对数由多到少的顺序为:辽东栎林>北山阳坡>油松林>柴松林。总体来说,林下草本植物分布较少,物种多样性指数较低,这是由林下郁闭的环境造成的,相对而言,合理种植,抚育的人工油松林和演替顶级的辽东栎林下草本植物种类和数量都有所改善
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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