Study on the Spatial Distribution Pattern of Quercus aliena varacuteserata Population in Xiaolongshan,Gansu

Abstract

Abstract: Quercus aliena var.acuteserata is the main vegetation type of Xiaolongshan national nature reserve and its distribution pattern is one of the indexes to judge if the forest type recovers or not.In this paper,v/m ratio,negative binomial parameter,clumping index,cassie index and patch index are used to analyze the spatial pattern of Quercus aliena var.acuteserata forest at Xiaolongshan.The results show that the age structure of Quercus aliena var.acuteserata population is unreasonable at present,which belongs to stable population. The distribution pattern of this population takes the aggregation distribution,and the aggregation intensity is high,but it decreases with the increase of the maturity of the stands.

Key words: Quercus aliena varacuteserata population, spatial distribution pattern, Xiaolongshan

CLC Number:

S718.55

JU Tianzhen, HAO Qing, GE Jiantuan, ZHANG Songzhi, LI Peiqi, KANG Lidan, WANG Lifeng, ZHAO Jichao. Study on the Spatial Distribution Pattern of Quercus aliena varacuteserata Population in Xiaolongshan,Gansu[J]. FOREST RESOURCES WANAGEMENT, 2010, 0(4): 27-30.

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