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|Reduced-impact logging by allocating log-decks using Multiobjective Evolutionary Algorithm in Western Amazon
|Exploração madeireira de impacto reduzido por meio da alocação de pátios de estocagem de madeira usando Algoritmo Evolutivo Multiobjetivo na Amazônia Ocidental
|Sociedade de Investigações Florestais
|ISAAC JÚNIOR, M. A. et al. Reduced-impact logging by allocating log-decks using Multiobjective Evolutionary Algorithm in Western Amazon. Revista Árvore, Viçosa, MG, v. 45, e4506, 2021. DOI: https://doi.org/10.1590/1806-908820210000006.
|To reduce the damage caused by logging in the Amazon rainforest, new metaheuristics have been implemented and tested to ensure the sustainability of this economic segment. Therefore, this study aimed to compare alternatives for road sizing and log deck allocation. In a forest management unit, the skidding to log decks was evaluated in two different areas. To determine the skidding/log deck relation, georeferenced points were generated equally spaced every 50 m. In area 1, the Integer Linear Programming (ILP) model and the Multi-Objective Evolutionary Algorithm (MOEA) were compared. In area 2, only the MOEA was considered. In both areas, these models were also compared to the current planning used in the forest management unit. Solutions were then generated to identify the best management alternative. In both areas, the MOEA showed greater efficiency regarding the processing time, as well as the reduction of log decks number and the road sizing. The multi-objective evolutionary approach assists the decision-making process, due to the presentation of alternatives based on Pareto-optimal solutions, making the choice more flexible and well supported.
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