[1]左政,郑小贤*. 福建三明栲树种群结构研究[J].西北林学院学报,2016,31(1):81-87.[doi:10.3969/j.issn.1001-7461.2016.01.15]
　ZUO Zheng,ZHENG Xiao-xian*. Community Structure of Castanopsis fargesii Franch Population in Fujian Province[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2016,31(1):81-87.[doi:10.3969/j.issn.1001-7461.2016.01.15]
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 福建三明栲树种群结构研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第31卷
期数:
2016年第1期
页码:
81-87
栏目:
出版日期:
2016-01-31

文章信息/Info

Title:
 Community Structure of Castanopsis fargesii Franch Population in Fujian Province
文章编号:
1001-7461(2016)01-0081-07
作者:
 左政; 郑小贤*
 (森林资源与环境管理国家林业局重点实验室，北京林业大学，北京 100083)
Author(s):
 ZUO Zheng; ZHENG Xiao-xian*
 (Key Lab of State Forestry Administration for Forest Resources and Environmental Management,Beijing Forestry University,Beijing 100083,China)
关键词:
 ; 栲树; 种群生命表; 谱分析; 种群动态
Keywords:
Castanopsis fargesii;  population life table;  spectral analysis;  population dynamic
分类号:
S792.17
DOI:
10.3969/j.issn.1001-7461.2016.01.15
文献标志码:
A
摘要:
 为了研究福建省三明市将乐林场栲树种群的动态及数量特征，以种群生命表及生存分析理论为基础，采用空间代替时间法及分段匀滑技术，编制栲树种群阳坡、阴坡及总体静态生命表，分别绘制生存率函数（Sx）、累积死亡率函数（Fx）、死亡密度函数（fx）和危险率函数（jx）4个函数曲线，分析种群数量特征；运用谱分析方法，分析栲树种群数量的动态变化。结果表明：栲树种群结构表现为增长型，即幼龄林株数较多，成过熟林株数较少；栲树种群阳坡、阴坡及林分总体的存活曲线均为DeeveyⅡ型；种群生存分析表明，栲树种群阳坡、阴坡及林分总体的生存率呈单调下降趋势，累计死亡率呈单调上升趋势，阳坡和总体的死亡密度函数曲线与危险率函数曲线分别在Ⅴ级和Ⅵ级达到最大值，阴坡两者都在Ⅵ级达到最大值；种群谱分析结果揭示出栲树种群主要受基波影响，在ⅩⅢ级时，还存在着小周期波动，与栲树进入生理衰退期有关。
Abstract:
 Based on the population life table and the theory of survival analysis,by using the age class structure represented by DBH class and smoothing out technique,a specific life table of Castanopsis fargesii population at different aspects in Fujian Province was compiled,and aimed to study more about the quantitative characters and dynamics of this population.The four survival analysis curves were determined: survival function（Sx）,cumulative mortality rate（Fx）,mortality density rate（fx）,and hazard rate curve（jx）.Population dynamics were analyzed by spectral analysis.The results showed that the age structures of C.fargesii populations were expansive type,manifested by their abundant young individuals and few mature trees.The survival curves of the populations of the sunny-slop stands and shady-slop stands,as well as the whole stands were Deevey type Ⅱ,from which the survival analysis demonstrated that the survival rates presented downward trends,while the cumulative mortality rates were in upward trends.The speak values of mortality density curve and hazard curve of the sunny-slope stands and total stands appeared at Ⅴ and Ⅵ age classes,respectively,while the two curves of shady-slope stands found their maximum values at Ⅵ age class.Spectral analysis of the population showed that there was a marked periodic fluctuation in the process of natural regeneration.Moreover,minor periodic changes could also be found in ⅩⅢ class.

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备注/Memo

备注/Memo:
 收稿日期：2015-06-15修回日期：2015-09-23
基金项目：“十二五”国家科技支撑项目“南方集体林区生态公益林可持续经营技术研究与示范”(2012BAD22B05)。
作者简介：左政，男，博士研究生，研究方向：林业可持续经营。E-mail：494387667@qq.com
*通信作者：郑小贤，男，教授，研究方向：森林经理。E-mail：zheng8355@bjfu.edu.cn
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