Planning of production units for native forest management areas in the Amazon
DOI:
https://doi.org/10.5039/agraria.v13i1a5502Keywords:
annual unit production, optimization of forest harvesting, precision forestry management, sustainable forest managementAbstract
The objectives of this study were to present a model of integer linear programming (IP) to develop the creation of production units (PUs) regulated at the level of exploitable trees and to implement a heuristic method to obtain suboptimal feasible solutions. The studied area is in the municipality of Bujari, AC, Brazil. Using a sustainable forest management (SFM) area of 1,057.41 ha, 4,237 trees were selected for exploration through the census inventory. We applied the p-median model with volume and income restrictions; however, the adaptive heuristics development (AHD) is a random, greedy, and adaptive procedure that forms the PUs optimally. Four scenarios were formulated with a variation of ±10% to ±20% in volume and income values; the simulation was repeated 10 times with 10,000 iterations in each scenario. As expected, the major variations were in the scenarios with the most flexible restrictions of ±20%. Overall, 400,000 iterations were performed with average processing time of 523.74 s for each scenario. The methodology fostered the creation of PUs efficiently by grouping the trees into an optimized set, and at the same time, respecting the constraints of the problem.
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This work is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License.