Heavy metals in the Derwent Estuary

Abstract

/ Analyses of the concentrations of Cd, Cr, Co, Cu, Fe, Pb, Mn, Hg, Ni, and Zn in filtered waters, suspended particulates, sediments, shellfish, fish, airborne particulates, and sewage have confirmed work of other investigators showing that the Derwent Estuary is heavily contaminated, particularly with mercury, cadmium, lead, and zinc, and have added further information regarding the distribution of each metal. Apparently most of the contamination originated from the earlier operation of a zinc refining plant. A study of shellfish growing in variously contaminated regions found that more than 20 species could be listed in order of their respective abilities to accumulate each heavy metal. For example, the mussel (Mytitus edulis) was found to be a good indicator of cadmium and mercury contamination, but less valuable as an indicator of zinc. The surf barnacle, (Catophragmuspolymerus) was found to be one of the

Metals in molluscs and associated bottom sediments of the southern baltic

“…The ability of marine mussels to biologically incorporat9 trace metals in their tissues has been well estabhshed; most of the studies have been carried out on the soft tissue (Amiard et al, 1986;Bloom & Ayling, 1977;Bryan, 1980Bryan, , 1983Coleman et al, 1986;Cossa et al, 1979;Davies & Pirie, 1980;Di Giulio & Scanlon, 1985;Farrington et al, 1983;Galloway et al, 1983;Gault et al, 1983;Goldberg, 1975;Goldberg et al, 1978Goldberg et al, , 1983Hung et al, 1981Hung et al, , 1983Johnson & D'Auria, 1980;Julshamn, 1981;Karbe et al, 1977;Langston, 1986;Martinci~ et al, 1984;M6ller et al, 1983;Phillips, 1976aPhillips, , 1976bPhillips, , 1977bPhillips, , I977c, 1978Popham & D'Auria, 1983a, 1983bRitz et al, 1982;Segar et al, 1971;Slabyj & Carpenter, 1977;Szefer, 1986;Szefer & Szefer, 1985;Szefer & Wenne, 1987). However, the number of articles on the concentration or distribution of metals in shell material, particularly relating the metal concentration in the soft tissue to that in the shell is scanty (A1- Dabbas et al, 1984;Bertine & Goldberg, 1972;Carriker et al, 1980bCarriker et al, , 1982Chow et al, 1976;Ferrell et al, 1973;<...>…”

Heavy metals distribution in Jamaica Bay sediments

“…Areas affected by the mining of metals or metal processing plants may contain metal concentrations far greater than those in Jamaica Bay. Sediments from Derwent Estuary, Tasmania, may contain up to 1130 ppm Hg and 862 ppm Cd near the company wharf (Bloom and Ayling 1977). Five hundred meters downstream from a Cd-emitting factory in Sweden 80 ppm Cd was found (Piscator and others 1971).…”

Statistical Perspective and Pollution Indicator in Mengkabong Mangrove Sediment Sabah

“…High concentrations of heavy metals are derived from anthropogenic inputs such as industrial activities around estuaries as well as discarded automobiles, batteries, tires, waste water disposal, etc. Bloom and Ayling, 1977).…”