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Journal of Tropical Marine Science
Published by Universitas Bangka Belitung
ISSN : 26232227     EISSN : 26232235     DOI : https://doi.org/10.33019/jour.trop.mar.sci
Core Subject : Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Environmental Science
Journal of Tropical Marine Science (JTMS, e-ISSN: 2623-2235) adalah terbitan open-access diterbitkan oleh Program Studi Ilmu Kelautan, Universitas Bangka Belitung, Indonesia. Journal of Tropical Marine Science menyediakan media daring untuk mempublikasikan artikel ilmiah dari hasil penelitian dan pengembangan di bidang kelautan dan oseanografi.
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Ilmu Lingkungan (Lain-Lain)
Articles 149 Documents
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Dinamika Perubahan Garis Pantai Di Muara Gembong, Bekasi, Jawa Barat Pada Tahun 2011-2021 Meizwar, Dara Afiifah; Tarya, Ayi
Journal of Tropical Marine Science Vol 7 No 2 (2024): Journal of Tropical Marine Science
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jour.trop.mar.sci.v7i2.5063

Abstract

Shoreline change can be an increase (accretion) or decrease (abrasion) of land on the coast due to human activities. This research aims to determine shoreline change occurs at Muara Gembong in 2011-2021 using coastline extracted from Landsat satellite imagery with band ratio and composite RGB methods. Shoreline changes were analyzed with Digital Shoreline Analysis (DSAS) using Net Shoreline Movement (NSM), End Point Rate (EPR), and Linear Regression Rate (LRR) statistical methods, to identify distance and rate of coastline change. Muara Gembong area is divided into Zone A located in the south and Zone B located in the north which is directly exposed to the Java Sea. Shoreline change for 10 years showed a tendency to accrete as far as 6.81 m. Rate of shoreline change value 0.18 m/year with accretion rate 12.24 m/year and abrasion rate -7.68 m/year. The total area of abrasion in 10 years comes to 805,562.41 m2 and the area of accretion is 881,897.24 m2. The direction of sediment transport in Zone A leads to the south or to the left of estuary, while in Zone B heading east or right of estuary. It is influenced by the greatest contribution of wave energy that propagates from the northwest.
Surveilans WSSV Pada Carrier Dan Perairan Di Pesisir Anyer Dan Carita, Banten Yudha, Indra Gumay; Maulana, Zahri; Indriasih, Indriasih; Maharani, Henni Wijanti; Kusuma, Anma Hari
Journal of Tropical Marine Science Vol 7 No 1 (2024): Journal of Tropical Marine Science
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jour.trop.mar.sci.v7i1.5179

Abstract

Wilayah pesisir Anyer dan Carita lebih dikenal sebagai salah satu destinasi wisata unggulan di Provinsi Banten, namun di kawasan tersebut juga terdapat panti benih (hatchery) dan tambak udang udang vaname. Keberadaan tambak udang tersebut dapat menurunkan kualitas air dan menjadi sumber penyebaran penyakit udang, seperti white spot syndrome virus (WSSV) yang dapat menularkan ke panti benih. Penelitian ini bertujuan untuk mengidentifikasi keberadaan white spot syndrome virus (WSSV) pada lingkungan perairan dan carrier yang terdapat di perairan sekitar tambak udang di wilayah pesisir Anyer dan Carita. Penelitian ini dilaksanakan pada bulan Agustus sampai September 2022 yang berlokasi di perairan sekitar tambak udang wilayah pesisir Anyer dan Carita, Provinsi Banten dengan menggunakan metode deteksi real time-polymerase chain reaction (RT-PCR). Hasil penelitian menunjukkan 4 sampel terdeteksi WSSV dari 70 sampel yang terambil dengan nilai Ct 36,67(1), 35,99(2), 21,14(3) dan 35,61(4). Sampel yang terdeteksi WSSV berlokasi di stasiun 2 dan stasiun 5. Sampel positif ini terdeteksi pada perairan (air laut) dan carrier (teritip dan kelomang).
Suplementasi Fucoidan Padina dari Perairan Lampung untuk Meningkatkan Respon Imun Udang Vannamei Setyawan, Agus; Lestari, Kiki Indah; Adiputra, Yudha Trinoegraha
Journal of Tropical Marine Science Vol 7 No 1 (2024): Journal of Tropical Marine Science
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jour.trop.mar.sci.v7i1.5180

Abstract

Padina, one of the brown algae, grows in many tropical waters including in Lampung. Padina contains fucoidan, a sulfated polysaccharide, which has been shown to have a wide range of bioactivity. This study aims to determine the effectiveness of fucoidan Padina sp. from Lampung waters to enhance the non-specific immune response in Pacific white shrimp. Padina sp. was collected from Ketapang Beach, Pesawaran, Lampung then the Padina’s fucoidan was acidly extracted by previously method. Fucoidan then supplemented to 10 vananmei shrimp (size 10 g) each container (45 L) for 14 days. The study was conducted with a complete randomized design trial (CRD) consisting of 3 treatments and 4 repeats including fucoidan supplementation at a dose of 0 mg/kg (control); 750 mg/kg; and 1500 mg/kg of feed. Every day, shrimp were fed as much as 3% of biomass with a frequency of 4 times. Four nonspecific immune response of shrimp including total hemocyte count (THC), phagocytosis activity (PA), phagocytosis index (PI), and total plasma protein (TPP) were mesured on day 0; 7; and 14 after fucoidan supplementation. The results showed the administration of fucoidan extract Padina sp. gives significantly different results to THC and TPP enhancements. Supplementation treatment of 750 mg/kg fucoidan Padina is the best treatment to increase nonspecific immune response in Pacific white shrimp.
Performa Pertumbuhan dan Kelulushidupan Udang Vaname (Litopenaeus vannamei) yang Dipelihara pada Salinitas Rendah Supono, Supono; Turovika, Yeti Barokah; Hudaidah, Siti
Journal of Tropical Marine Science Vol 7 No 1 (2024): Journal of Tropical Marine Science
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jour.trop.mar.sci.v7i1.5181

Abstract

Vaname shrimp (Litopenaeus vannamei) is one of Indonesia's leading cultivation commodities in the fisheries sector. The success of the vaname shrimp cultivation business cannot be separated from the water quality parameters, which play a role in supporting their growth and survival rate. Salinity is a water quality variable that plays a very important role in the growth and survival of Vannamei shrimp. The aim of this research was to study the growth and survival rate of vaname shrimp reared at low salinity. The research design used was a completely randomized design consisting of three treatments and four replications. These treatments had media salinities of 1 ppt, 3 ppt, and 5 ppt. Shrimp rearing is carried out in a 40-liter volume container with a stocking density of 40 fish per container, or 1 PL/L. Shrimp farming is carried out for 35 days. The observation parameters carried out during this research were Specific Growth Rate (SGR), Growth Rate (GR), Survival Rate (SR), Feed Conversion Ratio (FCR), Total Vibrio Count (TVC), and water quality in the maintenance media. The research results showed that media salinity of 3 and 5 ppt was the best treatment for increasing the growth and survival rate of vaname shrimp.
Hubungan Kerapatan Padang Lamun Dengan Kelimpahan Makrozoobentos Di Pulau Pramuka Putri, Vanya Amelia; Cahyadi, Ferry Dwi; Prasetiyo, Himawan
Journal of Tropical Marine Science Vol 7 No 2 (2024): Journal of Tropical Marine Science
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jour.trop.mar.sci.v7i2.5300

Abstract

Pramuka Island is one of the islands in the Seribu Islands which has a number of marine ecosystems such as seagrass and macrozoobenthos. The aim of this research is to determine the relationship between seagrass density and macrozoobenthos abundance. This research was carried out by applying the purposive sampling method to determine research locations at 3 stations and 3 plots with 50 m transect lines and Pearson Product Moment or simple correlation analysis to determine the relationship between seagrass density and macrozoobenthos abundance. The seagrass species found on Pramuka Island form mixed vegetation with 5 seagrass species and the highest density is Thalassia hemprichii. The macrozoobenthos found included the Holothuroidea, Bivalvia and Gastropod classes with the highest abundance being the Holothuroidea class. The relationship between seagrass density and macrozoobenthos abundance shows a strong relationship with a correlation value of 0.997 and shows a positive (+) linear direction, meaning that the higher the seagrass density value, the higher the macrozoobenthos abundance.
Aktivitas Antibakteri Ekstrak Isolat Jamur Endofit Aspergillus sp. yang Berasosiasi dengan Mangrove Rhizhopora apiculata terhadap Patogen Ikan Laut Dharmawati, Verli; Susanto, G. Nugroho; Nurcahyani, Nuning; Damai, Abdullah Aman; Azzuhdy, Afifah Nissa
Journal of Tropical Marine Science Vol 7 No 2 (2024): Journal of Tropical Marine Science
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jour.trop.mar.sci.v7i2.5418

Abstract

Exploration of microorganisms containing secondary metabolite compounds with antimicrobial properties, especially in marine fish pathogenic bacteria, is urgently required. This study aims to test the antibacterial effectiveness of endophytic fungal extracts from the mangrove plant Rhizopora apiculata in the Petengoran Mangrove Forest against pathogenic bacteria in marine fish such as V. alginolyticus and P. damselae spp. The endophytic fungal isolate found was a fungus from the genus Aspergillus sp after observing its morphological form macroscopically and microscopically. Ethyl acetate extract of mangrove endophytic fungi with a concentration of 500 µg/disc and 1000 µg/disc was dripped onto a 6mm paper disc and then placed on the pathogenic bacterial isolate. Measurement of the diameter of the clear zone produced around the paper disc after 24 hours concluded that the antibacterial effectiveness of the endophytic fungal extract against V. alginolyticus was 27.27% (500 µg/disc) and 32.32% (1000 µg/disc). Meanwhile, its effectiveness against P. damselae spp is 27.27% (500 µg/disc) and 34.82% (1000 µg/disc). The isolate extract from the endophytic fungus Aspergillus in this study has the potential to produce antibacterial compounds in marine fish pathogens.
Identifikasi Morfometrik Belangkas (Family: Limulidae) Di Pantai Tanjung Punai Kabupaten Bangka Barat Fuad, Akmal Nur; Aisyah, Siti; Pratiwi, Fika Dewi; Roanisca, Occa; Swandi, Monica K.
Journal of Tropical Marine Science Vol 7 No 2 (2024): Journal of Tropical Marine Science
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jour.trop.mar.sci.v7i2.5426

Abstract

Tanjung Punai is one of the beach in the coastal area of ​​West Bangka Regency which has conditions in the form of sandy beaches and mangrove ecosystems. These conditions support various biota that live and develop, one of which is the horseshoe crab. Horseshoe crab are aquatic invertebrates belonging to the phylum Arthropoda and the family Limulidae. The morphometric characters of horseshoe crab doves have different variations based on geographical area. This research aims to identify horseshoe crab based on morphology and morphometrics in Tanjung Punai Beach. The research was carried out in April-May 2022 at Tanjung Punai Beach, West Bangka Regency. The research method uses methods purposive sampling as well as data analysis using Independent Samples T-Test and simple linear regression analysis. The species found is Carcinoscorpius rotundicauda and Tachypleus gigas. The significance value is 0.00 (p < 0.05) and the t value thit > ttab shows that there are differences in the average morphometric characters between the two species.
Evaluasi Reklamasi Laut PT Timah Tbk Program Artificial Reef Di Perairan Rebo Kabupaten Bangka Rahendra, Rahendra; Toha, M. Taufik; Yusuf, Maulana
Journal of Tropical Marine Science Vol 7 No 2 (2024): Journal of Tropical Marine Science
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jour.trop.mar.sci.v8i1.5433

Abstract

This study aims to evaluate the PT TIMAH Tbk sea reclamation program, specifically the artificial reef program. The research was conducted from March to July 2024 at the artificial reef module sinking locations for the Obligatory Years of 2019, 2021, and 2023. The fish data collection method used a modification of the Belt Transect. The biomass calculation method was modified by adding several fish families that are economically valuable target fish. The location of the 2021 Obligatory Year artificial reef modules had the highest number of fish species (40 species), the highest H' value (3.20), and the heaviest biomass (2,908.80 kg/ha). The range of diversity values at all locations was between 1.80-3.20, falling under the criteria of "moderate" and "high." The range of dominance index values was between 0.06-0.36, falling under the "moderate" criteria. The range of evenness values was between 0.34-0.53, falling under the "moderate" and "low" criteria. The range of fish biomass values was between 129.66-2,908.80 kg/ha. The longer the artificial reef modules were submerged, the more schooling fish species increased, while target fish species decreased due to fishing activities. The criteria for the value analysis results refer to the criteria used for natural habitat calculations (coral reefs). Researchers recommend specific value criteria for artificial habitats in disturbed environmental conditions (offshore mining activities).
Kelimpahan Ikan Chaetodontidae Dan Pomacentridae Di Ekosistem Terumbu Karang, Tanjung Labu Ferizal, Jemi; Sudarmo, Agnes Puspitasari; Susanto, Adi
Journal of Tropical Marine Science Vol 7 No 2 (2024): Journal of Tropical Marine Science
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jour.trop.mar.sci.v7i2.5622

Abstract

Tanjung Labu waters have a coral reef ecosystem and are rich in a variety of biota such as the Pomacentridae and Chaetodotidae families. This family is an indicator of the health of coral reefs and plays a role in maintaining ecosystem balance. The aim of the research is to calculate the abundance of the Chaetodontidae and Pomacentridae families and analyze the relationship between the abundance of Chaetodontidae and Pomacentridae fish and habitat characteristics in coral reef ecosystems. The research was carried out in March 2024 in the waters of Tanjung Labu. The method used is UPT (Underwater Photo Transect) for coral reefs and UVC (Underwater Visual Census) for coral reef fish and the PAST 4.03 application to determine the relationship. The research results showed that the average live coral cover was 51.15%, and the abundance of the Chaetodontidae and Pomacentridae families was 1/m2. The number of individuals and species of the Chaetodontidae family is 37 individuals and 3 species, while the Pomacentridae family is 386 individuals and 20 species. The Chaetodontiadae family relationship is positively correlated with basic substrate cover components such as abiotic and other fauna, as well as environmental parameters such as brightness and current speed, but is negatively correlated with live coral and the type of coral reef life form, while the Pomacentridae family relationship is positively correlated with the closure component. basic substrates such as coral reef life form and dead coral, as well as environmental parameters such as water depth.

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