A Study on the Influence ofM in imum Mea sured D iameter onDeterm in ing Spa tia l D istr ibution Pa tterns of Forest Trees

LI Li; HUI Shu-rong; HUI Gang-ying; HU Yan-bo; XU Hai

By emp loying the aggregate index Rformulated by Clark & Evans and uniform angle indexW , the datafrom four 100 m ×100 m natural forest plots were analyzed with varying minimum measured diameter (MMD) toidentify tree spatial distribution patterns. It showed that tree spatial distribution patternswere related toMMD, spatial distribution patterns varying irregularly with MMD. Therefore, identicalMMD class should be emp loyed in theanalysis of tree spatial distribution patterns.

1. Forestry College, Shenyang Agricultural University, Shenyang, 110161,Liaoning, China

2. Research Institute of Forestry, CAF

Received Date: 2006-08-16

Abstract: By emp loying the aggregate index Rformulated by Clark & Evans and uniform angle indexW , the datafrom four 100 m ×100 m natural forest plots were analyzed with varying minimum measured diameter (MMD) toidentify tree spatial distribution patterns. It showed that tree spatial distribution patternswere related toMMD, spatial distribution patterns varying irregularly with MMD. Therefore, identicalMMD class should be emp loyed in theanalysis of tree spatial distribution patterns.

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A Study on the Influence ofM in imum Mea sured D iameter onDeterm in ing Spa tia l D istr ibution Pa tterns of Forest Trees

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