Simulation Models in Forest Management and Harvesting

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Abstract
The advantages and disadvantages of simulation models are described and examples are given of their use in forestry. Stand models and a simulation model for pulpwood harvesting machines are described in some detail. Stand models simulate the growth of a stand on an individual tree basis and can be used for testing the effect of different silvicultural operations on subsequent stand development. The harvesting simulation models imitate the passage of a harvesting machine through a stand of pulpwood. They can be used to test the effect on harvesting time of using machines of different sizes and operating characteristics. The effect of stand structure on harvesting time can also be tested.