Crabs (Portunus pelagicus) resource mapping Bangkalan Madura waters based (Walter-Hilbron non-equilibrium model)

This study presents an overview of the condition crab (Portunus pelagicus) resources in waters Bangkalan Madura, as export commodity its production relies on catch, one locations catchment area is Fisheries Management Area 712 where this research was carried out. The frequency fishing efforts continues to increase because high economic value, however, there not much information about resources. Descriptive method with aim mapping based