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Information Sciences Letters

Information Sciences Letters

Abstract

Forest management planning is placed not only on the management of timber production but also on the maintenance of forest ecosystem values, such as water conservation. Thus, the meaning of sustainable forest management has expanded from sustainable wood management to ecosystem-based multipurpose forest management. This paper discusses the need to conserve water by forests in such a way that water will flow into rivers to be used as a power source for hydroelectric power generation. The problem is then modelled as a multi-objective integer program. In this research, the model is referred to as the planning model. The planning model is filled with data and completed by appropriate procedures. The solution method is often a numerical optimization algorithm. The algorithm used to solve the model also affects the formulation of the problem, namely the type of planning model used. Based on the data analysis, the results revealed that the objectives have met in planning sustainable and integrated forest management for hydropower such as: 1) maximize the Net Present Value (NPV) of the forest within the planning horizon, 2) maximize the equity of volume harvested in each harvesting period (subject to policy constraints). In addition to 3) maximize area control criteria to determine regulated forest or age forest, 4) maximize the final inventory criteria ensuring a solution where the forest inventory will be greater than or equal to the initial inventory, 5) maximize the total carbon balance in the planning period, 6) maximize protected areas for water protection.

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