CD Skripsi
Analisis Kandungan Pencemar Logam Berat (Pb Dan Zn) Pada Air, Sedimen Dan Kerang Darah (Anadara Granosa) Di Desa Tanjung Pasir Kecamatan Tanah Merah Kabupaten Indragiri Hilir Provinsi Riau
The Nyiur and Enok Rivers marged and from a single river mounth in the Tanjung Pasir Villlage. The river mouth area is inhabited by clam (Anadara granosa). Around the river mouth, however, many industrial and shipping activities may produce Pb and Zn pollutant that enter the water, accumulated in the sediment as well as in the flesh of benthic organisms such as clam. To understand these of Pb and Zn concentrations, a research has been conducted on March 2017. The water sample was taken from 3 sampling sites, in the river mouth St1), 200m dowstream of the S1 (S2) and 400m downstream of the S1 (S3). Samplings were conducted 3 times, once/ 2 days. Results shown that concentration of Pb and Zn in the water was 0.0375 mg/L and 0.2441 mg/L, in the sediment was 1.3877 mg/g and 2.7703 mg/g and clam 3.7045 mg/g and 6.7058 mg/g respectively. In all sites the water are polluted and Anadara granosa is not safe to be consumed due to high heavy metal concentration.
Keyword: River mouth, heavy metal, benthic organisms, estuary.
1) Student of Fisheries and Marine Science Faculty, Riau University
2)Lecture of Fisheries and Marine Science Faculty, Riau University
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