Process-Based Models: A Synthesis of Models and Applications to Address Environmental and Management Issues

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the management of large datasets of predicted stand growth attributes and the simulation of silvicultural treatments. The development of gap models, which simulate forest succession using semiempirical relationships, began in the early 1970s with the JABOWA model (Botkin et al. 1972) (see Chapter 7). It is only in the 1980s that the development of process-based models really began when the need to simulate the effects of environmental disturbances, such as acid rain, air pollution, or climate change, on the functioning of forest ecosystems was identified.