A computer model called LANDIS addresses the larger spatial and temporal dimensions involved in effective forestry management, whether that means looking at the long-term effects of fire management or at tree harvesting practices. In lieu of an ecological crystal ball, this computer model is becoming a crucial tool that employs current science “to simulate the long-term effects of various management decisions.” With LANDIS, it becomes possible to estimate how frequently a fire needs to occur in order to maintain the forest’s ecological health.