Investigation on the role of the forest productive and harvestable area on the allowable cut and financial indicators of a forestry planning (Case study: Gorazbon district of Kheyrud forest research station)
2013
The aim of this study was to investigate the effect of the productive and harvestable area instead of the total forest area on the allowable cut and financial indicators of a forestry planning in Kheyrud forest. Therefore at first, regardless of forest productive and harvestable area, allowable cut and financial indicators for a period of 10-year forestry planning were computed. Then by applying productive and harvestable area rather than the total forest area, allowable cut and financial indicators for a period of 10-year forestry planning were computed and compared with the first case. Ten-year allowable cut of district using harvest coefficient of 05, 1 and 2% was 16897, 33793 and 67586 Silve, respectively for the first case and 15859, 31718 and 63437 Silve for the second case. Present net value of forestry planning for the first case applying harvesting coefficient of 05, 1 and 2% was -5910.77, -2036.81 and 11509.75 million Rials and internal rate of plan return was calculated -31%, 7% and 29%. Present net value of planning in the second case for 05, 1 and 2% harvesting coefficient was computed -5976.01, 1990.92 and 10099.54 million rials and Internal rate of return plan was -33%, -8% and 26% . By applying forest productive and harvestable area, harvesting amount will be lower than the case in which the above-mentioned factor is not considered. This issue is more consistent with the fact and causes that more than forest productive capability is not harvested and sustainability of forest production is conserved in the long term.
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