Based on the results of research and discussion, it can be concluded that the presence of mangrove forests in
the region cultivating a positive impact on the recovery of the ecological functions of the area. Based on biotic and
abiotic factors, the area of aquaculture and mangrove areas did not show significant differences, indicating the farming practices
Scylla serrata in the shelter system is environmentally save. Based on the physico-chemical quality of water and the
structure of the cultivated area macrobenthos crab Scylla spp.dan mangvore forest in Ujung Alang, Cilacap shows
relatively normal conditions, and did not differ significantly. However, there were difference in macrobentic
structure between sampling time, owing to the seasonal changes of hydrodynamic and weather condition.