[1]赵欣鑫,巨天珍*,杨 斌,等.小陇山国家级自然保护区云杉种群结构和空间分布格局分析[J].山地学报,2017,(04):444-450.[doi:10.16089/j.cnki.1008-2786.000241]
 ZHAO Xinxin,JU Tianzhen*,YANG Bin,et al.Analyses on Structure Characteristics and Spatial Distribution Pattern of Picea asperata Mast Population in Xiaolongshan Nature Reserve[J].Mountain Research,2017,(04):444-450.[doi:10.16089/j.cnki.1008-2786.000241]
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小陇山国家级自然保护区云杉种群结构和空间分布格局分析()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2017年04期
页码:
444-450
栏目:
山地环境
出版日期:
2017-07-30

文章信息/Info

Title:
Analyses on Structure Characteristics and Spatial Distribution Pattern of Picea asperata Mast Population in Xiaolongshan Nature Reserve
文章编号:
1008-2786-(2017)4-444-07
作者:
赵欣鑫1巨天珍1*杨 斌1刘洋洋1王 爽1张宋智2
1.西北师范大学,兰州 730070;
2.小陇山林业实验局林业科学研究所,甘肃 天水 741022
Author(s):
ZHAO Xinxin1 JU Tianzhen1* YANG Bin1 LIU Yangyang1 WANG Shuang1 ZHANG Songzhi2
1.Northwest Normal University, Lanzhou 730070, Gansu, China;
2.Forestry Research Institute of Xiaolongshan Mountains Forestry Experimental Bureau, Tianshui 741020, Gansu, China
关键词:
云杉种群 径级结构 静态生命表 存活曲线 空间分布格局
Keywords:
Picea asperata Mast population DBH class structure static life table survival curve spatial distribution pattern
分类号:
Q948
DOI:
10.16089/j.cnki.1008-2786.000241
文献标志码:
A
摘要:
基于野外采样调查,以径级结构代替年龄结构,运用分段匀滑技术,编制小陇山云杉Picea asperata Mast种群静态生命表,绘制径级结构图、存活曲线、死亡曲线、消失率曲线、生存函数曲线,分析云杉种群结构动态; 选用5个聚集强度指标研究云杉种群的分布格局。研究结果表明:小陇山云杉种群幼苗幼树丰富,占云杉总株数的27.86%,大树相对较少,仅为4.98%,径级结构总体分布趋于倒“J”型,群落处于稳定发展中; 云杉种群死亡率和消失率曲线变化趋势基本一致,存活曲线接近于Deevey - Ⅱ型; 生存分析揭示了云杉种群呈前期增长、后期稳定的态势; 云杉种群空间分布格局呈聚集分布。研究结果可对小陇山云杉林研究进行有效补充和完善,为小陇山云杉种群的保育及保护区生态环境的保护提供基础材料。
Abstract:
Based on field survey of Diameter-Breast-Height(DBH)structure, the population static life table of Picea asperata Mast was compiled using the sectional smoothing technique in this study.Subsequently, DBH diagram, the inventory curve, the death curve and the survival function curve were derived from population static life table to reflect population structure and dynamics.In addition, population spatial distribution pattern of Picea asperata Mast was analyzed with five selected aggregation intensity indexes.The results showed that 27.86% of sampled Picea asperata Mast was saplings relative to 4.98% of old individuals, resulting a reverse “J” type distribution of DBH structure.This implies that population of Picea asperata Mast is relatively stable in the study site.The similar trends were detected in mortality rate curve and disappearance rate curve of Picea asperata Mast, while the population survival curve was close to Deevey-II type.The survival analysis revealed the population of Picea asperata Mast was increasing in the early phrase but remained stable in the late phrase.Additionally, the spatial pattern of Picea asperata Mast population showed an aggregation distribution in Xiaolong Mountain.This study could supply an effective supplement and improvement for the research of Picea asperata Mast stand, also could provide basic data for preservation of Picea asperata Mast and conservation of ecological environment in Xiaolongshan Nature Reserve.

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备注/Memo

备注/Memo:
收稿日期(Received date):2016-07-02; 改回日期(Accepted date): 2017-07-11
基金项目(Foundation item):国家自然科学基金项目(41161080); 甘肃省科技计划项目(2010CS05134)[The Nation Natural Science Foundation of China(41161080); The Science and Technology Projects of Gansu Province(2010CS05134)]
作者简介(Biography):赵欣鑫(1992-),男,硕士研究生,主要从事生态学研究[Zhao Xinxin(1992-), male, M.Sc.candidate, mainly engaged in ecology.] E-mail: mengdeguishu@163.com
*通讯作者(Corresponding author):巨天珍(1965-),女,硕士,教授,研究方向为城市生态学。[Ju Tianzhen(1965-), female, master, professor, mainly engaged in city ecology.] E-mail: jujutz@163.com
更新日期/Last Update: 2017-07-30