ECONOMIC-STRATEGIES FOR COEVOLUTION - TIMBER AND BUTTERFLIES IN MEXICO

The concept of coevolution is reviewed and a model is developed in an attempt to make the concept operational. The location, scale, and timi ng of economic activities in a buffer zone to a park or preserve are r elated to an index of biodiversity. Coevolution would occur if a traje ctory of activities would in turn result in ''acceptable'' trajectorie s for net revenue and the index of biodiversity. The concept and model is used to evaluate alternative rates of timber harvest from the mona rch butterfly preserves in Mexico.