Abstract
The aim of this study is to explain relationships between site index and some edaphic and physiographic factors of pure oriental spruce (Picea orientalis Link.) in Genya mountain located in central Management district in Artvin State Forest Enterprise. In order to do this study, the fifty sample plots were selected from oriental pure spruce stands in Genya Mountain. Edaphic and physiographic factors in each sample plots were determined. The soil profiles were digged to determine some attributes relating to soil. Also site index of each plots were determined using average height of dominant and co-dominant trees at reference age at 100. The relationships between site index and edaphic and physiographic factors were investigated using correlation analysis Among these ecological factors; slope, physical soil depth, absolute soil depth, the amount of silt and clay in Ah and B Stratus shows significant relations with site index.Keywords: Oriental Spruce, Site Index, Edaphic Factor, Physiographic Factor, Artvin.
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