OPTIMAL FOREST HARVESTING POLICY USING DYNAMIC PROGRAMMING METHOD (CASE STUDY: SHAFAROD FOREST)

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NAMDARI S.; MOHAMMADI LIMAEI S.; NAGHDI R.; BONYAD A.E.

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Paper Information

Journal: Iranian journal of Forest Year:2013 | Volume:5 | Issue:1 Page(s): 21-30

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Information Journal Paper

Title

OPTIMAL FOREST HARVESTING POLICY USING DYNAMIC PROGRAMMING METHOD (CASE STUDY: SHAFAROD FOREST)

Author(s)

NAMDARI S. | MOHAMMADI LIMAEI S. | NAGHDI R. | BONYAD A.E. | Issue Writer Certificate

Keywords

OPTIMAL HARVESTINGQ2

GROWTH MODELQ2

PRICE MODELQ2

DYNAMIC PROGRAMMINGQ2

SHAFAROD FORESTQ2

Abstract

The aim of this research is to determine the OPTIMAL HARVESTING using DYNAMIC PROGRAMMING in SHAFAROD FORESTs at Guilan province. First of all, a logistic growth function was used to predict the GROWTH MODEL.Then, wood price function and variable harvesting cost function were estimated based on an autoregressive model and time series data. Finally, the optimal cutting maximizing the expected present value was computed using growth, price and variable cost functions. LINGO software was used for cutting optimization. Minimum acceptable volume, GROWTH MODEL, wood price at forest road side, variable harvesting cost, planning horizon, interest rate, and moving of cutting groups and harvesting equipment were coded in LINGO software. Results indicated that the optimal cutting varies between 6 to 12 m3 per hectare in various stocks during 100 years regarding to the volume average of the study area (490 m3/ha) and the minimum acceptable volume (100 m3/ha).The maximum expected present value was estimated 323326 thousands Rials during 100 years. Sensitivity analysis showed that the optimal harvest could fluctuate over the planning horizon based on the volume average of the study area and the minimum acceptable volume even which in some cases harvesting is not required.

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References

DETERMINISTIC AND DYNAMIC OPTIMIZATION IN FOREST HARVESTING

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APA: Copy

NAMDARI, S., MOHAMMADI LIMAEI, S., NAGHDI, R., & BONYAD, A.E.. (2013). OPTIMAL FOREST HARVESTING POLICY USING DYNAMIC PROGRAMMING METHOD (CASE STUDY: SHAFAROD FOREST). IRANIAN JOURNAL OF FOREST, 5(1), 21-30. SID. https://sid.ir/paper/123112/en

Vancouver: Copy

NAMDARI S., MOHAMMADI LIMAEI S., NAGHDI R., BONYAD A.E.. OPTIMAL FOREST HARVESTING POLICY USING DYNAMIC PROGRAMMING METHOD (CASE STUDY: SHAFAROD FOREST). IRANIAN JOURNAL OF FOREST[Internet]. 2013;5(1):21-30. Available from: https://sid.ir/paper/123112/en

IEEE: Copy

S. NAMDARI, S. MOHAMMADI LIMAEI, R. NAGHDI, and A.E. BONYAD, “OPTIMAL FOREST HARVESTING POLICY USING DYNAMIC PROGRAMMING METHOD (CASE STUDY: SHAFAROD FOREST),” IRANIAN JOURNAL OF FOREST, vol. 5, no. 1, pp. 21–30, 2013, [Online]. Available: https://sid.ir/paper/123112/en

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