Research on the Relationship of Ground and Breast Diamters of Fir (Cunninghamia lanceolata)in Natural Forests —A Case Study of Wuyi State Farm in Fujian

doi:10.13466/j.cnki.lyzygl.2015.03.023

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FOREST RESOURCES WANAGEMENT ›› 2015, Vol. 0 ›› Issue (3): 121-129.doi: 10.13466/j.cnki.lyzygl.2015.03.023

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Research on the Relationship of Ground and Breast Diamters of Fir (Cunninghamia lanceolata)in Natural Forests —A Case Study of Wuyi State Farm in Fujian

WANG Jinrong

East China Forest Inventory and Planning Institute,State Forestry Administration,Hangzhou 310019,China

Online:2015-06-28 Published:2020-12-01

Abstract

Abstract: Regression model for ground diameter and diameter at breast height (DBH)of Fir (Cunninghamia lanceolata) in natural forests in Wuyi State Farm was built and the results showed that there was a close straight regression between the ground diameter and DBH.Goodness of fit and error of the established regression model were very ideal.This provides a simple and feasible method to estimate volume of single tree.

Key words: Wuyi State Farm, ground diameter, Fir, diameter at breast height, regression model

CLC Number:

S758

WANG Jinrong. Research on the Relationship of Ground and Breast Diamters of Fir (Cunninghamia lanceolata)in Natural Forests —A Case Study of Wuyi State Farm in Fujian[J]. FOREST RESOURCES WANAGEMENT, 2015, 0(3): 121-129.

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Research on the Relationship of Ground and Breast Diamters of Fir (Cunninghamia lanceolata)in Natural Forests —A Case Study of Wuyi State Farm in Fujian

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