Sunderban a GIS approach  Anit Ghose VIce-President Webstar Infotech (P) Ltd. Email: anit@websterindia.co Introduction The Sunderban region is located between 21deg 32 MIn.latitude & 22deg.40Min. attitude north and between 88deg.&05Min.and 89deg.longtitude east and Constitutes the watermost part of the gangetic delta.  Bio-spheres Reserve throughout the world The region is demarcated by the river Hoogly on the west, the Bay of Bengal on the south, the Ichhamati-Kalindi-Raimongol rivers on the east. It comprises nineteen blocks of north & south 24-parg. Districts of West Bengal. There are 54 islands in this region. The land area measures about 9629 sq.km. of which 4493 sq.km inhabitated by people and the rest is reserve forest. The total number of mouzas under the region is 1093. major ecosystem type is tropical humid forest, mangroves. habitat and land cover types are tropical semi-evergreen forest including mangrove such as avicennia albs, bruguiery gymnorrhiza, ceriopstagal, rhizophoraapiculataetc, agroecosystems, silviculture, pisciculture, prawn culture etc. water and soil characteristics of estuaries mechanism of situation in the tidal river system soil related problems and fertility of coastal soils and a wide diversity of flora, fauna and medicinal values of mangrove species, plankton composition and its population density also a very important issue for sustainable development. Socio economic status is mainly dependent on the fishery resources of sunderban. There is a vast difference between the other bio-sphere reserve and sunderban, because it is world heritage site as well as largest mangrove area in the world. ecologically it is a very important place as well as it is under MAB(Man and Bio-sphere) project.  Bio-spheres Reserve throughout the India
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