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Aplica??o da programa??o dinamica na substitui??o de povoamentos florestais

DOI: 10.1590/S0100-67622007000600011

Keywords: forest stand, forest optimization, forest and management.

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Abstract:

this work aims to develop and apply two models of dynamic programming to decide the best option of management of a forest stand along the planning horizon. the models aimed to maximize profit through a relation of recurrence concerning revenues and costs along the years and it was constructed based on a traditional model of replacement equipment. the results of both the models indicate that the best option for most situations is not to cut the young stands, followed by cutting and remodeling or cutting and lead to shooting for the older stands for all the training periods ( f1 through f7). the advantage of using dp, in this in case, is that this tool offers the planner a wider gamma of decision-making alternatives. it was concluded that for a company to maximize forest stand profits, without being concerned about planning horizon or regulated forest, it would have to opt for the traditionally known economic rotation. however, if the company wants to make decisions for a definite horizon planning and later sell the land and the forest, the alternatives are many. thus, the company can opt for cutting immediately or delaying the cut, perform the shootings or remodel. in this case, the dp model developed can present such alternatives and indicate the best options.

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