Liestiaty Fachruddin
Program Studi Manajemen Sumber Daya Perairan Departemen Perikanan Fakultas Ilmu Kelautan dan Perikanan Universitas Hasanuddin Makassar

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Indeks kondisi kerang hijau (Perna viridis) dan kandungan kadmium (condition indices of green mussel, Perna viridis, and cadmium content) Liestiaty Fachruddin; Khusnul Yaqin
Jurnal Pengelolaan Perairan Vol. 2 No. 2 (2019)
Publisher : Program Studi Manajemen Sumber Daya Perairan

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Green mussels (Perna viridis) are sentinel organisms that are often used in research and biomonitoring of metals. The current research aims to study the correlation between the condition index (IK) of green shells and Cadmium Metal/Shell Index. Mussels collected from Mandalle waters were 200. The length of the mussels collected was between 2.16-8.02 mm. Analysis of cadmium content in mussel tissue using Atomic Absortion Spectrophotometry (AAS). There are 10 IK formulas used in this study. One-way Pearson test was used as correlation analysis between IK and Metal/Shell Index . The results showed that IK1, IK3, IK6 correlate moderately and significantly with Metal/Shell Index. IK2 and IK9 correlate strongly and significantly with Metal/Shell Index. Other condition indices do not correlate with Metal/Shell Index statistically. These results indicate that IK2 and IK9 are IK that are sensitive to cadmium content so that they are potentially used as biomarkers. Keywords: Condition index, cadmium, simple biomarker, green mussel, Metal/Shell Index
Perbandingan dua metode analisis konsentrasi mikroplastik pada kerang hijau, Perna viridis dan penerapannya dalam kajian ekotoksikologi (Comparison of two methods of analyzing microplastic concentrations of green mussels, Perna viridis, and their application in ecotoxicological studies) Liestiaty Fachruddin; Khusnul Yaqin; Reski Iin
Jurnal Pengelolaan Perairan Vol. 3 No. 1 (2020)
Publisher : Program Studi Manajemen Sumber Daya Perairan

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Microplastic has become a pollution problem that has received serious attention from people to scientists. There are several microplastic analysis methods in mussel tissue. This study examines two analytical methods, namely non-filtration and filtration methods. 99 samples of green mussels, Perna viridis, were collected by hand from the waters of Lae-Lae Island in Makassar. For the purposes of the study, green mussels are grouped in various ranges of shell lengths that are 4-5.9 cm (small); 6-7.9 cm (medium) and 8-10 cm (large).  T-student test was used to determine the difference in the average concentration of microplastic in the mussel with two different techniques used.  The ANOVA parametric test was used to calculate the difference in the average microplastic concentration between different lengths of shell lengths. The results showed that the concentration of microplastics found in the tissue of the green mussel is in the form of fiber. From the results of statistical analysis it was found that microplastic analysis techniques with filtration were able to obtain more microplastic concentrations compared to non-filtration techniques. The results of this study also showed that the longer the size of the shell the less the concentration of microplastic shells. Therefore it was concluded that the larger the size of the green mussel the less the concentration of microplastic in the tissue.