There is significant uncertainty about the total area of mangroves in Mexico, and the magnitude of shrimp aquaculture impact on these ecosystems is unknown. However, on a regional scale, there is evidence of mangrove destruction in Sinaloa and Nayarit. The Federal Agency of Environmental Protection, PROFEPA (Procuradurıa Federal de Proteccion al Ambiente) considers that Sinaloa has problems of shrimp fishing during the prohibited season as well as of mangrove
Fig. 1. Gulf of California ecoregion. Localization of zones with major density of shrimp farms (shadow areas). Tendency of the shrimp catch ( filled circles) and shrimp farming (unfilled circles) production from the Gulf of California ecoregion (103 ton/y) by state and globally during the 1980 – 2001 period (Baja California and Baja California Sur have an catch and shrimp farming