Table 2. Derived parameter values used in baseline model. Parameter       Description   Value   Units   Source A(0)   Initial algae cover as proportion of sea floor   0.3   Proportion of sea floor     C(0)   Initial coral cover as proportion of sea floor   0.3   Proportion of sea floor     H(0)   Initial herbivorous fish density   2100.0   kg/km2   Polunin (1996), McClanahan (1992, 1995), McClanahan et al. (1996) P(0)   Initial piscivorous fish density   1400.0   kg/km2   Polunin (1996), McClanahan (1992, 1995), McClanahan et al. (1996) SH(0)   Initial proportion of fishers in population harvesting herbivorous fish   0.5   Proportion of population     SP (0)   Initial proportion of fishers in population harvesting piscivorous   0.5   Proportion of population     Pop   Total population of fishers   50.0   fishers/km2     EH   Effort level of fishers harvesting herbivorous fish   2.0   h/d   Jennings and Polunin (1996) EP   Effort level of fishers harvesting piscivorous fish   2.0   h/d   Jennings and Polunin (1996) PriceH   Price/kg for herbivorous fish   2.0   U.S. $     PriceP   Price/kg for piscivorous fish   2.0   U.S. $     CostH   Cost per unit of effort per kilogram of herbivorous fish   1.0   U.S. $     CostP   Cost per unit of effort per kilogram of piscivorous fish   1.0   U.S. $