Bias analysis of modified estimator of N-tree method for estimating stand density and crown cover area in Zagros Forests
Since N-tree sampling methods produce biased estimate, bias evaluation should be applied to N-tree estimator. The purpose of this study is to assess the N tree distance sampling method bias with modified estimator Kleinn and Vilcko in estimating number per hectare and canopy cover in Zagros forests....
Main Authors: | , , |
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Format: | Article |
Language: | fas |
Published: |
Iranian Society of Forestry
2016-09-01
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Series: | مجله جنگل ایران |
Subjects: | |
Online Access: | http://www.ijf-isaforestry.ir/article_38841_ae2e747c40ce23a294d3e8be9185d6df.pdf |