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All Journal Ilmu Perikanan Tropis Nusantara Jurnal Tropical Aquatic Sciences
Ghitarina Ghitarina, Ghitarina
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Energy Physics

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Kandungan nitrogen saat pasang dan surut di Sungai Mahakam Kota Samarinda: Nitrogen content during high and low tides in the Mahakam River, Samarinda City Kania Karnelia; Ghitarina, Ghitarina; Suryana, Irma
Nusantara Tropical Fisheries Science (Ilmu Perikanan Tropis Nusantara) Vol. 2 No. 1 (2023): Ilmu Perikanan Tropis Nusantara
Publisher : Faculty of Fisheries and Marine Science, Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/jipt.v2i1.179

Abstract

This study aims to determine the levels of nitrogen compounds in the Mahakam river at high and low tide, and to compare it with the quality standard East Kalimantan Timur Regulation Number 02 0f 2011 concerning Water Quality Management and Water Pollution Control. The data obtained in the field and the results of the analysis in the laboratory are displayed in the form of tables and graphs. The data is presented based on a descriptive picture to get conclusions from the results of the study, with an independent sample t-test and compared the average between the two cases. The levels of Ammonia, Nitrite and Nitrate at high tide were significantly lower than at low tide. lower than at low tide. Ammonia levels at high tide ranged from 0.382- 0.424 mg/L, and have exceeded the quality standard threshold of regional Regulation of East Kalimantan Province Number 02 of 2011. Nitrite levels at high tide range from 0.027- 0.068 mg/L and ar low tide 0.04 - 0.068 mg/L, and still meet the quality standards of East Kalimantan Province Regulation Number 02 0f 2011.Nitrate levels at high tide range from 0.89 – 1.20 mg/L and at low tide 1.00 – 1.20 mg/L, which still meets the quality standards of East Kalimantan Province Regualation No. 01 of 2011. The levels of Ammonia, Nitrite and Nitrate at high and low tide were not significantly different.
Bioakumulasi kadmium (Cd), timbal (Pb), dan tembaga (Cu) pada gastropoda di Desa Kersik, Kabupaten Kutai Kartanegara, Kalimantan Timur: Bioaccumulation of Cadmium (Cd), Lead (Pb), and Cadmium (Cu) in Gastropods in Kersik Village, Kutai Kartanegara Regency, East Kalimantan Muslim, Izza Dzikriyah; Rafii, Akhmad; Ghitarina, Ghitarina
Nusantara Tropical Fisheries Science (Ilmu Perikanan Tropis Nusantara) Vol. 2 No. 1 (2023): Ilmu Perikanan Tropis Nusantara
Publisher : Faculty of Fisheries and Marine Science, Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/jipt.v2i1.238

Abstract

Heavy metals are compounds that can affect the quality of a waters. Various kinds and types of heavy metals that enter and settle in sediments can cause diversity to decrease to the extinction of organisms in the waters. This study was aimed to determine the content of Cd, Pb, and Cu accumulated in water, substrate, and gastropods obtained from Kersik Village, Kutai Kartanegara Regency, East Kalimantan. Samples of water, substrate, and gastropods were collected from 4 stations with 3 repetitions. Water samples, substrates, and gastropods were analyzed using AAS. Concentration ranges of Cd, Pb, and Cu in water were 0.003 - 0.011 mg/L; 0.161 - 0.731 mg/L; and 0.007 - 0.009 mg/L, respectively. The concentration ranges of Cd, Pb, and Cu on the substrate were 0.021 - 0.182 mg/kg; 19.5 - 31.12 mg/kg; and 14.29 - 15.47 mg/kg, respectively. In gastropods, the range of Cd concentrations was 0.509 - 0.675 mg/kg, while for Pb and Cu were 15.96 - 21.52 mg/kg and 57.78 - 92.4 mg/kg, respectively. The concentration of Pb in gastropods at all stations has exceeded the quality standard based on SNI-7387-2009, while the concentration of Cu in gastropods at all stations has also exceeded the quality standard based on BPOM No.03725/B/SK/89. Bioconcentration Factor (BCF) of organisms to sediment (BCFo-s), shows the ability to accumulate Cu in Gastropods which is higher than Cd and Pb. Bioconcentration Factor (BCF) analysis of organisms to water (BCFo-w), showed that the accumulation of Cd, Pb, and Cu were in the low, medium, to high categories. The average comparison of concentrations of the three heavy metals at each observation station was not significantly different (sig. > 0.05).
Concentration of Heavy Metal Pb and Cu in Reef Fish at the Waters of Miang Besar Island in Kutai Timur Regency Pajar, Zulkifli; Rafii, Akhmad; Ghitarina, Ghitarina
Nusantara Tropical Fisheries Science (Ilmu Perikanan Tropis Nusantara) Vol. 2 No. 2 (2023): Nusantara Tropical Fisheries Science
Publisher : Faculty of Fisheries and Marine Science, Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/jipt.v2i2.796

Abstract

Miang Island is a transportation route for coal ships and a place for loading and unloading coal, then there are also oil palm companies around this island. On this island there are also still islanders who carry out household activities in this area, such as washing activities, thus producing household waste in the waters on this island. Therefore, community activities carried out on this island can contribute to the burden of pollution of waters and reef fish in these waters, therefore it is necessary to conduct research on heavy metal levels that have contaminated organisms in these waters related to the pollution conditions that occur. This research was conducted in February 2023 in the waters of miang island and analyzed water quality and heavy metal content in the water quality laboratory and soil laboratory of mulawarman university. The parameters that will be observed are the analysis of heavy metals lead (Pb) and copper (Cu) found in reef fish meat and statistical analysis using the Chi-Square test by comparing heavy metal content in reef fish against water quality data. In this study, reef fishes that have been analyzed are Lutjanus decassatus, Pentapodus caninus, Ephnephlesu ongus, Lethrinus erythropetrus, Balistapus undulatus, Gymnocranius microdon, Plectropomus leopardus, and Priacanthus meeki. All fish species contain heavy metals lead (Pb) and copper (Cu), this can be caused by activities carried out by local communities that can disturb water conditions and have an impact on fish, In the Chi-square analysis that has been carried out on water quality at each station on Miang Island, the results obtained water quality gives an influence on heavy metals in the bodies of reef fish that have been caught in this study. This can be caused by water quality that is affected by heavy lead (Pb) and copper (Cu) from human activities in these waters, such as ship loading and unloading activities, and ship transportation routes.
KANDUNGAN MIKROPLASTIK PADA SALURAN PENCERNAAN IKAN BARAKUDA (Sphyraena jello) YANG DIPEROLEH DI PERAIRAN PNGEMPANG KECAMATAN MUARA BADAK Aritonang, Cicilia Imelda; Rafi’i, Akhmad; Ghitarina, Ghitarina
Jurnal Tropical Aquatic Sciences Vol. 3 No. 1 (2024): Jurnal Tropical Aquatic Sciences
Publisher : Department of Aquatic Resources Management, Faculty of Fisheries and Marine Science, Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/tas.v3i1.877

Abstract

Plastik merupakan bahan yang sulit terdegradasi. Partikel plastik yang berukuran < 5 mm disebut mikroplastik. Keberadaan mikroplastik pada biota dapat memberikan efek negatif pada manusia dan biota lainnya dalam rantai makanan. Penelitian ini bertujuan untuk mengidentifikasi jenis dan kelimpahan serta menganalisis pengaruh ukuran panjang ikan Barakuda terhadap jumlah mikroplastik. Sampel ikan Barakuda diperoleh di Perairan Pangempang, Kecamatan Muara Badak sebanyak 10 ekor. Setiap sampel dicampurkan dengan KOH 22% sebagai penghancur bahan organic dan larutan H 2O2 30% sebanyak 5 ml. Hasil identifikasi menunjukkan terdapat 2 jenis mikroplastik yaitu fiber sebesar 100 partikel dengan kelimpahan sebesar 10 partikel/ind dan film sebesar 41 partikel/ind. Hasil uji Regresi Linier Sederhana menunjukkan pengaruh ukuran panjang ikan Barakuda terhadap jumlah mikroplastik sebesar 0,0382 pengaruh rendah dan hubungannya sebesar 0,1955 yang berarti hubungan sangat rendah. Hasil uji One Way ANOVA menujukkan bahwa tidak ada perbedaan secara signifikan antara Fiber dengan Film p-value (0,002) < sig α (0,05).
Co-Authors Aritonang, Cicilia Imelda Henny Pagoray, Henny Kania Karnelia Muslim, Izza Dzikriyah Pajar, Zulkifli Rafii, Akhmad Rafi’i, Akhmad Suryana, Irma Udayana, Deni