首页|不同林型兴安落叶松林火烧迹地物种组成及多样性研究

不同林型兴安落叶松林火烧迹地物种组成及多样性研究

Study on Species Composition and Diversity in Burned Phytocoenosium of Different Forest Types

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以内蒙古大兴安岭兴安落叶松林火烧迹地为研究对象,采用分层取样的方法对群落中植被进行了调查,分析比较了3种不同林型兴安落叶松林群落恢复过程中物种组成及多样性的差异.结果表明:不同林型兴安落叶松林群落各层α多样性指数总体表现为草本层＞灌木层＞乔木层.不同林型兴安落叶松林火烧迹地群落恢复12年后,草本层的Simpson和Shannon-Wiener指数均小于对照样地并呈现出草类-兴安落叶松林＞杜香-兴安落叶松林＞杜鹃-兴安落叶松林的趋势,而在灌木层则各指数均大于对照样地并呈现出草类-兴安落叶松林＞杜娟-兴安落叶松林＞杜香-兴安落叶松林的趋势.
In this study,Larix gmelinii forest burned areas were experienced in different forest types.The natural regeneration conditions,community structure characteristics,species composition,community biodiversity were observed and researched in 2015.The results showed that:the alpha diversity index of community each layer in different forest types showed a ranking of herb layer ＞ shrub layer ＞ tree layer.After twelve years,the Simpson and Shannon-Wiener indices in herb layer in 3 different forest types burned areas are less than that of unburned area and showed a ranking of 2003S-G＞2003S-L＞2003S-R,while the indices of burned areas in the shrub layer are greater than that of unburned area and showed a ranking of 2003S-G＞2003S-R＞ 2003S-L.

Larix gmelini forestburned areaspecies compositiondiversity of species

王鼎、周梅、赵鹏武、王梓璇、冯倩倩、葛鹏、张波、舒洋

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内蒙古农业大学,呼和浩特010019

内蒙古赛罕乌拉森林生态系统国家定位研究站,内蒙古赤峰024000

兴安落叶松林 火烧迹地 物种组成 多样性

国家自然科学基金内蒙古自治区科技计划

4156300620130435

2017

10.7606/j.issn.1000-4025.2017.04.0767

西北植物学报
西北农林科技大学,陕西省植物学会

西北植物学报

CSTPCDCSCD北大核心
影响因子：1.031
ISSN：1000-4025
年,卷(期)：2017.37(4)
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