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All Journal Akuatik: Jurnal Sumberdaya Perairan
Aditya Pamungkas
Ilmu Kelautan
Agriculture, Biological Sciences & Forestry Environmental Science

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Analysis of Ammonia, Nitrate, and Phosphate Content in the Waters of Merbau, South Bangka Regency Yayan Sugara; Aditya Pamungkas; Mu’alimah Hudatwi
Akuatik: Jurnal Sumberdaya Perairan Vol 19 No 2 (2025): AKUATIK : Jurnal Sumberdaya Perairan
Publisher : Department of Aquatic Resources Management, Faculty of Agriculture, Fisheries, and Biology, University of Bangka Belitung

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Abstract

The waters of Merbau are one of the areas being developed for the potential of marine fisheries in South Bangka Regency. As it develops, the Merbau waters have been utilized by the local community for various activities in the fisheries sector, such as shrimp farming and tourism, which are feared to impact water quality. This study aims to compare the ammonia, nitrate, and phosphate content with the seawater quality standards stipulated in Government Regulation No. 22 of 2021 and to assess the water quality status in the Merbau waters of South Bangka Regency based on the Pollution Index (IP) method. The study was conducted in July in the waters of Merbau, South Bangka Regency. The method used for determining sampling locations was purposive sampling. The results showed that the ammonia and nitrate content in the waters of Merbau, South Bangka Regency, still met the seawater quality standards based on Government Regulation No. 22 of 2021, while phosphate exceeded the set seawater quality standards. The water quality status in the Merbau waters, using the Pollution Index (IP) method, was found to range from 4.22 to 4.57, indicating a category of lightly polluted. Key Word: Ammonia, Phosphate, Nitrate, Merbau Waters
Kelimpahan Mikroplastik pada Air di Tanjung Ketapang Kabupaten Bangka Selatan Selvi Anggraini; Mu'alimah Hudatwi; Aditya Pamungkas
Akuatik: Jurnal Sumberdaya Perairan Vol 20 No 2 (2026): AKUATIK : Jurnal Sumberdaya Perairan
Publisher : Department of Aquatic Resources Management, Faculty of Agriculture, Fisheries, and Biology, University of Bangka Belitung

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Mikroplastik umumnya didefinisikan sebagai plastik dengan ukuran kurang dari 5 mm yang berdampak negatif bagi manusia dan biota laut. Penelitian ini bertujuan untuk mengetahui kelimpahan mikroplastik, jenis dan polimer mikroplastik. Penelitian ini dilakukan pada Februari 2024 di 3 titik stasiun di perairan. Penelitian ini menggunakan metode deskriptif. Identifikasi mikroplastik dengan mikroskop dan pengujian polimer mikroplastik menggunakan FTIR (Fourier Transform Infrared). Hasil penelitian menunjukkan bahwa terdapat 4 jenis mikroplastik yang teridentifikasi dari air yaitu fiber, film, foam dan fragmen. Kelimpahan mikroplastik tertinggi dalam air ditemukan pada jenis fragmen dan foam dengan rata-rata kelimpahan masing-masing stasiun, Stasiun 1 sebanyak 0.092 partikel/m3, Stasiun 2 sebanyak 2.760 partikel/m3, Stasiun 3 sebanyak 1.698 partikel/m3. Jenis polimer yang ditemukan di air adalah Polyvinyl Chloride (PVC), Polypropylene (PP), Polyetylene (PE).
ANALISIS DAMPAK PERUBAHAN GARIS PANTAI YANG DIAKIBATKAN OLEH AKTIVITAS PENAMBANGAN TIMAH DI PERAIRAN MATRAS Riskiana Putri; Aditya Pamungkas; Eva Utami
Akuatik: Jurnal Sumberdaya Perairan Vol 19 No 2 (2025): AKUATIK : Jurnal Sumberdaya Perairan
Publisher : Department of Aquatic Resources Management, Faculty of Agriculture, Fisheries, and Biology, University of Bangka Belitung

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Abstract

Matras Beach is located in Sungailiat District, Bangka Regency which has great potential in the field of capture fisheries and tourism. In general, the coastline experiences changes over time due to abrasion and accretion. Changes in the coastline can be caused by several factors, one of which is tin mining on Matras Beach. This study aims to determine the changes and rate of change in the coastline in 2020 to 2022 that occurred at Matras Beach due to tin mining on the beach using Sentinel 2-A satellite imagery. The methods used in this research are digitization and Digital Shoreline Analysis System (DSAS). The results of this study indicate that Matras Beach experienced a land reduction (abrasion) of -78.51 m at a rate of -34.16 m/year and an increase in land (accretion) of 9.86 m at a rate of 4.29 m/year and resulted in an abrasion area of ​​11.12 ha and accretion of 0.183 ha.
Comparative Distribution Analysis of Hard Coral Recruitment in Coral Transplantation on Putri Island and Panjang Island, Bangka Belitung Islands Province Handoko Andriyanto; Aditya Pamungkas; Irma Akhrianti
Akuatik: Jurnal Sumberdaya Perairan Vol 18 No 2 (2024): AKUATIK : Jurnal Sumberdaya Perairan
Publisher : Department of Aquatic Resources Management, Faculty of Agriculture, Fisheries, and Biology, University of Bangka Belitung

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Coral reefs, as part of coastal and marine ecosystems, are vulnerable to disturbances. Coral reef degradation is generally caused by two main factors: natural factors and anthropogenic factors. Given the importance of coral reef ecosystems for the surrounding organisms, it is necessary to carry out restoration efforts or rehabilitation programs for coral reef. PT TIMAH Tbk, as a tin mining company, has implemented environmental restoration programs to rehabilitate damaged areas. One such program is the submersion of coral transplants around Putri Island and Panjang Island. The number of coral recruitment individuals identified by genus was 74 individuals on Putri Island and 43 individuals on Panjang Island. The diversity index (H’) on Putri Island averaged 1.459, while on Panjang Island it averaged 1.594; both are categorized as moderate. The evenness index (E) averaged 0.664 on Putri Island and 0.766 on Panjang Island, both falling into the stable category. The dominance index (C) on Putri Island averaged 0.318, which is categorized as moderate, indicating that a few genera, such as Favia and Goniastrea, are dominant. In contrast, the dominance index on Panjang Island averaged 0.252, categorized as low, suggesting no genus dominates in that area.
Utilization Of Google Earth Engine (Gee) Based Satellite Imagery For The Distribution Of Seagrass Meadows In Tanjung Sangkar Waters, South Bangka Regency Boy Rizki Airlangga; Irma Akhrianti; Aditya Pamungkas
Akuatik: Jurnal Sumberdaya Perairan Vol 19 No 2 (2025): AKUATIK : Jurnal Sumberdaya Perairan
Publisher : Department of Aquatic Resources Management, Faculty of Agriculture, Fisheries, and Biology, University of Bangka Belitung

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Abstract

Tanjung Sangkar is a village located in Lepar Pongok Sub-district, Lepar Island, South Bangka Regency. The waters of Tanjung Sangkar are known for their marine biodiversity, especially seagrass beds and coral reefs. Remote sensing techniques using cloud computing methods utilizing satellite imagery based on Google Earth Engine can provide information on seagrass distribution in Tanjung Sangkar Waters. Using Sentinel-2A satellite imagery with a spatial resolution of 10 m, this research will provide information related to seagrass distribution in Tanjung Sangkar Waters. Based on the results of supervised classification using the SVM (Super Vector Machine) algorithm, the class shows different colors. There are 3 classes, deep sea, shallow sea and seagrass. The seagrass distribution area in Tanjung Sangkar Waters has a value of around 88.38 ha. Four seagrass species were found in Tanjung Sangkar Waters, namely, Cymodocea rotundata, Thalassia hemprichii, Enhalus acoroides, and Syringodium isoetifolium. The percentage of seagrass cover based on the results of field surveys has an average value of 38.65%, indicating the criteria of “less healthy”. The largest seagrass cover in this study was found at location point 3 which amounted to 58.52%, and the lowest cover was at location point 2 which was 32.67%.
Co-Authors Boy Rizki Airlangga Eva Utami Handoko Andriyanto Irma Akhrianti Mu'alimah Hudatwi Mu’alimah Hudatwi Riskiana Putri Selvi Anggraini Yayan Sugara