天山云杉林物种组成及其种群空间分布格局

张震; 刘萍; 丁易; 刘黎明

doi:10.3969/j.jssn.1000-2006.2010.05.034

天山云杉林物种组成及其种群空间分布格局

张震，刘萍，丁易，刘黎明

南京林业大学学报（自然科学版） ›› 2010, Vol. 34 ›› Issue (05) : 157-160.

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南京林业大学学报（自然科学版） ›› 2010, Vol. 34 ›› Issue (05) : 157-160. DOI: 10.3969/j.jssn.1000-2006.2010.05.034

研究简报

天山云杉林物种组成及其种群空间分布格局

张震¹，刘萍^2*，丁易³，刘黎明^1*

作者信息 +

Species compositions and spatial distribution pattern of tree individuals in the schrenk spruce forest, northwest China

ZHANG Zhen¹, LIU Ping^2*, DING Yi³, LIU Liming¹

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摘要

以天山云杉林6 hm2固定样地调查数据为基础，研究天山云杉林群落内物种组成以及主要种群的径级结构，并采用点格局分析法对群落内主要种群的空间分布格局及其关联性进行研究。结果表明：调查样地天山云杉林物种数较少，乔木层仅天山云杉和天山桦两个种群；天山云杉与天山桦种群的径级结构均呈正态分布，两个种群密度差异较大，天山云杉为217.5株/hm2，天山桦为20株/hm2；天山云杉与天山桦种群的空间分布格局均以聚集型分布为主，天山桦种群的最大聚集强度大于天山云杉种群，而最大聚集规模小于天山云杉种群；天山云杉与天山桦的种间关系为负关联。

Abstract

The spatial dispersion pattern of individual trees in forest communities is one of the core topics in community ecology.Understanding tree dispersion pattern is important to conserve and manage the forest sustainablly. Based on data collected from 6 hm2 permanent plot of Picea schrenkiana in the western of Tianshan Mountain, this study examined the species compositions and the population spatial distribution. Results showed that：In the plot of P.schrenkiana forest, only P.schrenkiana and Betula tianschanica population could be found in the tree layer. There existed greater differences in the densities of P.schrenkiana and B.tianschanica individuals, e.g.. P.schrenkiana had the density of 217.5 plants per hectare, while B.tianschanica had the density of 20 plants per hectare. Diameter level structure of P.schrenkiana and B.tianschanica tended to be normal distribution. The individuals of P.schrenkiana and B.tianschanica presented mainly as a cluster distribution. The maximum congregate scales of B.tianschanica were less than P.schrenkiana,but the maximum congregate intensity was greater than P.schrenkiana. The correlations between P.schrenkiana and B.tianschanica was negative.

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张震，刘萍，丁易，刘黎明. 天山云杉林物种组成及其种群空间分布格局[J]. 南京林业大学学报（自然科学版）. 2010, 34(05): 157-160 https://doi.org/10.3969/j.jssn.1000-2006.2010.05.034

ZHANG Zhen, LIU Ping, DING Yi, LIU Liming. Species compositions and spatial distribution pattern of tree individuals in the schrenk spruce forest, northwest China[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY. 2010, 34(05): 157-160 https://doi.org/10.3969/j.jssn.1000-2006.2010.05.034

中图分类号： S718

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基金

收稿日期：2009-11-27 修回日期：2010-05-04基金项目：国家林业局中央公益性科研院所基本科研业务费专项资金项目(CAFRIF200716)作者简介：张震(1984—)，硕士生。*刘萍(通信作者)，教授。Email: bengtiaoliu@126.com。引文格式：张震,刘萍,丁易,等. 天山云杉林物种组成及其种群空间分布格局[J]. 南京林业大学学报:自然科学版,2010,34(5):157-160.