SCOPE OF THE STUDY The mangrove dominated Indian Sundarbans is a natural laboratory for studying the impact of acidification on heavy metals primarily.

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Presentation transcript:

SCOPE OF THE STUDY The mangrove dominated Indian Sundarbans is a natural laboratory for studying the impact of acidification on heavy metals primarily because of two reasons: (i) Intense industrialization and urbanization along the bank of the Hooghly estuary and (ii)Significant decadal variations of salinity and pH in the estuarine water These two reasons may be attributed to input and dynamicity of heavy metals in the system.

SOURCE OF CARBON DIOXIDE AND HEAVY METALS- Shrimp farms

ANTIFOULING PAINTS FOR REGULAR CONDITIONING: SOURCES OF Zn, Cu, and Pb

SOURCE OF LOCAL LEVEL CARBON DIOXIDE EMISSION- Brick Kiln

SALINITY ESTIMATION: DATA COLLECTION HAS BEEN INITIATED

pH ESTIMATION: DATA COLLECTION HAS BEEN INITIATED

Bibliography Ackroyd, D. R.; Bale, A. J.; Howland, R. J. M.; Knox, S.; Millward, G. E. and Morris, A. W. (1986). Distribution and behavior of dissolved Cu, Zn and Mn in the Tamar Estuary. Estuarine, Coastal and Shelf Science. 23: 621-640. Bloom, H and Ayling, G.M. (1977). Heavy Metals in the Derwent Estuary. Environmental Geology. 2: 3-22. Bryan, G.W. (1980). Recent trends in research on heavy metal contamination in the sea. Helgolander Meeresunters. 33: 6-25. Castro, H.; Aguilera, P.A.; Martinez, J.L. and Carrique, E.L. (1999). Differentiation of clams from fishing areas – an approximation to coastal quality assessment. Environ. Monit. Assess. 54: 229 – 237. Chakraborty, R.; Zaman S.; Mukhopadhyay, N.; Banerjee, K and Mitra, A. (2009). Seasonal variation of Zn, Cu and Pb in the estuarine stretch of West Bengal. Indian Journal of Marine Sciences. 38: 104-109.

Bibliography Chakraborty, S; Zaman, S; Pramanick, P; Raha, A.K.; Mukhopadhyay, Chakravartty, D and A. Mitra. Acidification of Sundarbans mangrove estuarine system. Discovery Nature, (ISSN: 2319-5703), 2013, Vol. 6 (14), pp. 14 – 20. Chenhall, B.E.; Batley, G.E.; Yassini, I.; Depers, A.M. and Jones, B.G. (1994). Ash distribution and metal contents of Lake Illawarra bottom sediments. Australian Journal of Marine and Freshwater Research. 45: 992-997. Crecelus, E.A. and Piper, D.Z. (1973). Particulate lead contamination record in sedimentary cores from Lake Washington, Seattle. Environ. Sci. Technol. 7: 1053-1055. David, A. (1959). Effect of Calcutta sewage upon fisheries of Kulti estuary and connected cultivable fisheries. Jour. Asiatic Soc. Bengal. 1(4): 454-494. Dobrowolski, R. and Skowronska, M. (2001). Distribution and environmental mobility of selected trace metals in the Zemborzyce reservoir. Polish Journal of Environmental Studies. 10 (5): 383 – 388.

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