<![CDATA[Ocean pollution occurs because of the concentration of population, tourism and industrialization in the coastal areas, causing contamination of the water ecosystem by heavy metals, one of them is cadmium (Cd). Existence of heavy metals in the water can be accumulated in aquatic organisms, especially blood shells. Its dangerous for human that consumed them. The purpose of this study is to know the contents of cadmium (Cd) in blood shells, water, sediments and to determine the relation of blood shell’s size with the contents of cadmium (Cd) in the Bancaran Coastal, Bangkalan, Madura. Research methods that used was observations method. The main parameters that observed are the contents of cadmium (Cd) in sea water, sediment and blood shells in the Bancaran Coastal. Supporting parameters that observed are water quality include temperature, p H, salinity, DO and brightness. Data analysis is used to find relations of the data that obtained (regression-correlation). The results showed that the contents of cadmium (Cd) of large blood shells are higher than the small and medium blood shells and there is relat ion between the size of the blood shells with the contents of cadmium (Cd). The water quality of Bancaran Coastal are the temperature 28oC-29oC, pH 7-8, salinity 30 ppt, the brightness 30 cm and DO 5 mg/l.]]>
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