| 福建省连城县天然林资源分析与评价 |
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| 引用本文： | 周兴东.福建省连城县天然林资源分析与评价[J].贵州林业科技,2011(3). |
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| 作者姓名： | 周兴东 |
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| 作者单位： | 福建省连城县林业局; |
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| 基金项目： | 福建省科技重大专项资助项目(2006NZ0001) |
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| 摘 要： | 对连城县18个乡镇的天然林面积和树种组成分析表明:全县天然林面积比例为72.64%,以针叶树种为主的天然林占57.75%,纯阔叶林仅占4.89%;不同针阔比例的天然林面积,随着阔叶树比例增加呈递减趋势;全县天然林阔叶树权重为0.4,乡镇间存在较大差异;通过聚类分析,18个乡镇被划分为4个不同天然林阔叶树比例类型;综合评价认为,全县天然林比例大,阔叶树种丰富,但干扰严重,天然林面积呈减小趋势,森林结构退化,个别地段出现逆行演替。
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| 关 键 词： | 天然林 树种组成 森林演替 评价 |
Analysis and appraisal on natural forest resource in Liancheng,Fujian |
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| Zhou Xing-dong.Analysis and appraisal on natural forest resource in Liancheng,Fujian[J].Guizhou Forestry Science and Technology,2011(3). |
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| Authors: | Zhou Xing-dong |
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| Institution: | Zhou Xing-dong(Forestry department of Liancheng county,Fujian Liancheng 366200,China) |
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| Abstract: | The statistics of the natural forest species in 18 townships of Liancheng in Fujian province shows that the proportion of natural forest area to county forest land is 72.64%.For natural forest area,it decreases with the increasing of broad-leaved tree ratio,the proportion of conifer species and pure broad-leaved tree is 57.75% and 4.89%,respectively.The average weight of natural broad-leaved tree is 0.4,and there is certain difference between the township.With cluster analysis,according to the weight of bro... |
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| Keywords: | natural forest tree species composition forest succession appraisal |
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