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Equilibrium conditions (3) and (4) can be solved by assuming a conventional bioeconomic fishery model with biological growth characterized by a logistic function, F(X, M) = rX(K(M) - X), and harvesting by a Schaefer production process, h = qXe, where q is a catchability coefficient, r is the intrinsic growth rate, and K(M), [K.sub.M] > 0, is the impact of mangrove area on carrying capacity, K.
Substituting (5) and (6) into the Schaefer harvesting function h = qXE also yields the long-run supply curve of the fishery (for any given price, p[[h.sup.A]]):
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