Abundance of Mangrove Crab (Scylla Serrata) Its Linkage With The Bio-Physical Karasteristics Of Mangrove Forest In Karangsong Sub-District Indramayu District.

Mangrove ecosystem is a habitat of mangrove crab (Scylla serrata).This research was conducted in mangrove ecosystem area of Karangsong Village, Karangsong Sub-district, Indramayu District.The purpose of this research is to know the abundance of mangrove crab, mangrove ecosystem condition and mangrove ecosystem relationship with mangrove crab in Karangsong mangrove ecosystem.The method used is descriptive explorative and station determination is done by stratified random sampling method.The results of the study found two types of mangroves namely Rhizopora mucronata and Avicennia marina.The mangrove conditions at the observed stations were classified as rare (broken).Mangrove density at station 1 has a value of 360 ind / ha, station 2 is 380 ind / ha, station 3 of 860 ind / ha and SCIREA Journal of Biology http://www.scirea.