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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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Analisis Kesesuaian Wisata Bahari Di Pulau Semujur Kabupaten Bangka Tengah Fauzi, Ikhwan; Syari, Indra Ambalika; Utami, Eva
Journal of Tropical Marine Science Vol 6 No 2 (2023): 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.v6i2.2761

Abstract

Kajian tentang lokasi wisata bahari di Kawasan Pulau Semujur merupakan permasalahan yang perlu dikaji guna meningkatkan kepuasan dan keselamatan masyarakat yang melakukan kegiatan wisata. Pulau Semujur termasuk kawasan konservasi perairan yang dilindungi dan dikelola untuk mewujudkan pengelolaan sumber daya ikan dan lingkungan secara berkelanjutan. Penelitian ini bertujuan untuk menganalisis indeks kesesuaian wisata rekreasi pantai dan menganalisis indeks kesesuaian wisata snorkeling di Pulau Semujur serta diharapkan dapat digunakan sebagai referensi bagi pemangku kepentingan yang terlibat dalam pengembangan wisata di Pulau Semujur Kabupaten Bangka Tengah. Pengambilan sampel dilakukan pada bulan Maret 2021 bertempat di Pantai Semujur Kabupaten Bangka Tengah. Metode penelitian yang digunakan yakni Purposive Sampling. Analisis data didasarkan pada matriks indeks kesesuaian wisata (IKW). Hasil studi kesesuaian wisata rekreasi pantai dan wisata snorkeling di Pulau Semujur menunjukan nilai indeks kesesuaian wisata rekreasi pantai di masing-masing stasiun pengamatan mendapatkan nilai sebesar 83% (sangat sesuai). Nilai indeks kesesuaian wisata snorkeling di masing-masing stasiun pengamatan mendapatkan nilai sebesar 57,75% (sesuai).
Social Characteristics of Squid Fishermen Conditions in Improving Household Welfare and Income, Lampung Riantini, Maya; Bidarti, Agustina; Bursan, Rinaldi; Listiana, Indah; Al Faris, Luthfi Naufal
Journal of Tropical Marine Science Vol 6 No 2 (2023): 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.v6i2.2979

Abstract

The level of income determines the welfare of fishermen. The aim of this study was to determine the relationship between the income level of squid fishermen and household incomse with the condition of squid fishermen. This study was conducted in Sukajaya Lempasing Village, Teluk Pandan District, Pesawaran Regency, Lampung. The results of the study showed that squid fisherman households with income above the minimum wage (prosperous) value have side jobs that can increase their income to meet the daily needs. The welfare level of squid fishermen is in the poor to moderate category. Education is a human right for every Indonesian citizen, thus every citizen has the right to get a proper education. Education is an important indicator in measuring household welfare. The difference in the education level will certainly affect the level of welfare obtained by each household. Most of the squid fishermen are in a prosperous condition because they have high scores on every welfare indicator, especially on education indicators, consumption levels and patterns as well as housing and environmental indicators.
valuasi ekonomi Valuasi Ekonomi Sumber Daya Kelautan dan Perikanan di Pulau Tikus Kota Bengkulu Zamdial, Zamdial; Hartono, Dede; Syahputra, Octianto
Journal of Tropical Marine Science Vol 6 No 2 (2023): 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.v6i2.3132

Abstract

Tikus Island is surrounded by a coral reef so that it is able to protect the island from abrasion due to large waves. The coastal and marine resources of Tikus Island have various ecological and economic functions. The purpose of this study is to calculate and analyze the total benefit value of potential marine and fisheries resources in the Tikus Island Area, Malabro Village, Teluk Segara District, Bengkulu City. This research was conducted in March - April 2022. This study used a comprehensive survey method. Sampling using Purposive Sampling technique. Respondents value the benefits of existence consist of the level of education, namely with the Axidental Sampling technique. The results of this study obtained the total benefit value of marine and fisheries resources on Tikus Island is Rp. 19.205.799.426,-/year with a direct use value of Rp. 2.455.820.000,-/year, inderect use value of Rp.989.047.590 ,-/year, option value of Rp. 681.424.836,-/year, excitence value of Rp. 14.833.925.000,-/ year, bequest value Rp. 245.582.000,-/year Keywords : Economic Valuation, Tikus Island, Direct Use Value, Indirect Use Value, Total Economic Value
Kajian Kesesuaian Habitat Restocking Siput Gonggong (Laevistrombus sp.) di Teluk Kelabat Pulau Bangka Okto Supratman; Supratman, Okto; Febrianti, Laras; Pratiwi, Fika Dewi; Farhaby, Arthur M
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.v7i1.3325

Abstract

The Dog conch is an important marine biota for ecology; besides that, it has economic value with high nutritional content. The purpose of this study was to analyze the density of the dog conch, to determine the appropriate environmental parameters for gonggong snails restocking, and to analyze the suitability of the location for the dog conchrestocking in Kelabat Bay, Bangka Island. This research was conducted from March to April 2021. The data collection of the dog conchand sea grasses used purposive sampling method. The highest density of the dog conchwas at station 7 with a density of 2000 (Ind/ha), while the lowest densities of the dog conchwere at stations 1, 4, 5 and 9 because dog conch was not founded. The results of the suitability of aquatic environmental parameters are categorized as still suitable for the life of gonggong snails. The suitability index values for the location of the the dog conch restocking at stations 6, 7, 8, 9 and 10 had values above 84-89 which is categorized as very suitable, while at stations 1, 2, 3, 4, 5 with values above 75-78 were categorized as appropriate. The results of the study indicate that the waters of Kelabat Bay have certain areas that are ideal to be used as a location for the dog conch restocking, so the recommended location for Dog Conch restocking is in the outer Kelabat Bay while still paying attention to sustainable fishing efforts.
The Optimasi Rendemen Minyak Mikroalga Laut Nannochloropsis sp. Menggunakan Metode Tekanan Osmotik NaCl(aq) Muhaemin, Moh; Pasa, Zelang; Ali, Mahrus
Journal of Tropical Marine Science Vol 6 No 2 (2023): 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.v6i2.3767

Abstract

Biodiesel is derived from natural fats such as vegetable or animal oils. This study uses a type of microalgae that can produce products and has the potential as biodiesel fuel, namely Nannochloropsis sp. The purpose of this study was to determine the effect of osmotic shock on the oil yield of Nannochloropsis sp. to determine the optimum osmotic shock, and to determine the composition of fatty acid content in the microalgae Nanochloropsis sp. in both wet and dry conditions. The extraction process in this study used five variations of osmotic shock, namely 0, 30, 60, 90 and 120 atm. The results showed that osmotic shock had an effect on both oil yields of Nannochloropsis sp. both in wet conditions (R=0.890 Sig<0.043) and Nannochloropsis sp. dry conditions (R=0.916 Sig<0.029). So that the higher the osmotic shock applied, the higher the yield of Nannochloropsis sp. wet and oil yield of Nannochloropsis sp. dry. then the osmotic stress of 120atm is good for extracting the oil of Nannochloropsis sp. Each result obtained is Nannochloropsis sp. wet atm 120 atm (3.96 %) and for Nannochloropsis sp. dry 120 atm (2.60 %). Results of GC Chromatogram analysis on oil yield of Nannochloropsis sp. 13 fatty acids were found including saturated fat: octanoate (C8:0), laurate (C12:0), tetradecanoate (C14:0), heptadecanoate (C17:0), arachidate (C20:0), heneicosanoate (C21:0), tricosanoate (C23:0), lignocerate (C24:0) dan lemak tak jenuh palmitoleate (C16:1), oleic (C18:1), linolelaidic (C18:2), nervonate (C24:1), dan docosahexaenoate (C22:6).
Potensi Antibakteri Dari Ekstrak Polychaeta Namanereis sp. Putri, Ni Putu Purba Nava Vidyadhari; Widianingsih, Widianingsih; Suryono, Suryono; Hartati, Retno
Journal of Tropical Marine Science Vol 6 No 2 (2023): 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.v6i2.3810

Abstract

Namanereis sp. diklasifikasikan kedalam Famili Nereididae, Kelas Polychaeta. Penelitian tentang Polychaeta di Indonesia masih merupakan penelitian dasar yang meliputi taksonomi, ekologi serta struktur komunitas. Penelitian tentang kandungan nutrisi, pakan alami dan kandungan bahan aktif masih jarang dilakukan. Pada penelitian ini, dilakukan upaya penelitian tentang potensi antibakteri dari ekstrak Namanereis sp. dengan pelarut Etil Acetate. Oleh karena itu penelitian ini memiliki tujuan untuk mengetahui aktivitas antibakteri dari ekstrak Namanereis sp terhadap bakteri Aeromonas hydrophila, Vibrio parahaemolyticus, dan Vibrio harveyi. Metode yang digunakan dalam penelitian ini adalah experiment laboratorium. Perlakukan konsentrasi ekstraksi Namanereis sp. Pada ekstrasi dengan pelarut etil acetate dipergunakan perbandingan 1:4. Bakteri yang digunakan dalam penelitian ini adalah A. hydrophila, V. parahaemolyticus, dan V. harveyi yang diperoleh dari BBPAP Jepara. Berdasarkan hasil penelitian, zona hambatan tertinggi yang terbentuk untuk V. harvei pada konsentrasi 100% adalah sebesar 3.18 ± 0.33cm2, zona hambatan untuk A. hydrophila adalah 2,96 ± 0,45cm2 dan zona hambatan yang terbentuk untuk bakteri V. parahaemolyticus adalah 2,7 ± 0.91cm2. Penelitian ini menunjukkan ekstrasi Namaneries sp dengan menggunakan pelarut etil acetate dapat membentuk zona hambatan untuk setiap perlakukan konsentrasi ekstrak Namanereis sp yang diberikan (6,25, 12,5. 25, 50 dan 100%).
Kelimpahan Dan Keanekaragaman Moluska (Gastropoda Dan Bivalvia) Di Kawasan Pesisir Desa Rebo Kabupaten Bangka Okto Supratman; Agustina, Riza; Supratman, Okto; Farhaby, Arthur M
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.v7i1.4112

Abstract

The Coastal Area is an aquatic ecosystem that has high productivity and is able to support the survival of various aquatic biota and is often used as a place for various daily life activities by residents including fishing activities, tourism activities and mining activities. The aims of this study were to analyze the density, diversity, uniformity and dominance of molluscs (gastropods and bivalves) and to analyze the relationship between the density of mollusks (gastropods and bivalves) and environmental factors. The sampling technique used the 1x1m² Quadratic Transect method. The results obtained at all observation stations were 13 types of gastropods and 9 types of bivalves. Diversity is in the low to medium category which ranges from 0.8760 to 2.1655. The uniformity of gastropods and bivalves was moderate to high which ranged from 0.5291-0.8715, and was dominated by Pinerella cingulata gastropods. The results of principal component analysis (PCA) showed that the density of gastropods showed the parameters of depth, silt and clay, and the density of bivalves showed the parameters of brightness, salinity and sand which had a high affinity with density which was a limiting factor for the distribution or abundance of gastropods and bivalves.
Analisis Granular Dan Hialin Pada Udang Kaki Putih (Litopenaeus vannamei) Dengan Pemberian Asam Lemak DHA (Docosahexaenoic acid) Siregar, Kelly Aurora; Br Sitepu, Gressty Sari; Fain, Hamdanul
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.v7i1.4121

Abstract

White Leg shrimp have a non-specific immune response that can be seen in granular cells and hyaline cells. To support an excellent white-leg shrimp immune response, providing an immunostimulant in the form of docosahexaenoic acid (DHA) is necessary. This research activity aims to determine the percentage of granular and hyaline cells in white-leg shrimp and the immune response of white-leg shrimp. This research was carried out in April 2022 at PT. Emas Sempurna Anugrah, Bangka Belitung. This type of research is descriptive qualitative. There are five ponds studied with different pond sizes and stocking densities. The results showed that the percentage of granular cells is higher than hyaline cells, with an average percentage of granular cells is 57.27%, while the average percentage of hyaline cells is 42.73%. The average THC value is 5,730,000 cells/ml, indicating that the white-leg shrimp's immune response is good but has fluctuating value. The white-leg shrimp's immune response in the pond shows inconsistent results due to external factors such as water quality and bad weather.
Pengaruh Pemberian Pakan Kombinasi Nannochloropsis oculata Dan Terasi Dengan Dosis Yang Berbeda Terhadap Laju Pertumbuhan Rotifera (Branchionus Plicatilis) Paramitha, Komang Putri Regina; Amelia, Jasmine Masyitha; Fain, Hamdanul; Astuti, Ni Wayan Widya
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.v7i2.4150

Abstract

Penelitian yang dilakukan bertujuan untuk mengetahui pengaruh kombinasi pakan Chlorella dan terasi yang berbeda terhadap laju pertumbuhan populasi rotifera (Branchiounus plicatilis). Penelitian dilakukan dari bulan Maret sampai dengan bulan Mei 2023 di Kawasan Konservasi Ilmiah Biota Laut Badan Riset dan Inovasi Nasional Gondol Bali. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) dengan 4 perlakuan dan 3 kali ulangan. Perlakuan A sebagai kontrol hanya diberikan pakan Chlorella sebanyak 6,66 x 105 sel/ml perlakuan B yakni Chlorella 6,66 x 105 sel/ml dan terasi 1gr/L. perlakuan C yakni Chlorella 6,66 x 105 sel/ml dan terasi 2gr/L, dan perlakuan D yakni Chlorella 6,66 x 105 sel/ml dan terasi 3gr/L. dengan dosis pemberian pakan kombinasi dilakukan setiap 2 hari sekali. Parameter yang dianalisis hanya laju pertumbuhan populasi dan mencari dosis yang terbaik. Data di olah menggunakan One Way ANOVA dengan tingkat kepercayaan 95% dan jika hasil menunjukkan berbeda signifikan maka dilanjutkan dengan uji Duncan. Hasil penelitian menunjukkan bahwa pertumbuhan populasi Rotifera meningkat dengan pemberian kombinasi pakan Chlorella ditambah terasi dengan dosis 1gr/L. pada perlakuan B pertumbuhan populasi memiliki puncak kepadatan sebanyak 53 ind/ml dengan laju pertumbuhan 0,8741 ind/ml/hari. Jadi dosis terasi terbaik yang diberikan untuk kultur rotifera sebanyak 1gr/L.
Keanekaragaman dan Status Konservasi Jenis-Jenis Ikan yang Didaratkan di PPI Batu Belubang Kabupaten Bangka Tengah Melica, Melica; Pratiwi, Fika Dewi; Gustomi, Andi
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.v7i1.4192

Abstract

Pangkalan Pendaratan Ikan (PPI) Batu Belubang merupakan salah satu PPI di Bangka Tengah yang kegiatan usaha perikanan masih berjalan hingga saat ini. Namun, nelayan sekitar masih kurang mengetahui informasi tentang status perlindungan dan kurangnya data tentang status jenis ikan tersebut. Minimnya data tersebut menjadikan nelayan melakukan penangkapan yang berlebihan. Oleh karena itu, penelitian ini dilakukan untuk mengidentifikasi jenis ikan yang didaratkan di PPI Batu Belubang, mengklasifikasi alat tangkap yang digunakan nelayan Batu Belubang dan mengetahui status konservasi jenis ikan yang didaratkan. Pengambilan data dilakukan pada bulan Maret-April 2023 di PPI Batu Belubang. Penelitian ini menggunakan metode survei dan observasi dengan analisis data secara deskriptif kualitatif. Hasil penelitian menunjukkan bahwa terdapat 12 famili yang teridentifikasi, yaitu Carangidae, Clupeidae, Engraulidae, Scombridae, Sphyraenidae, Terapontidae, Ariidae, Leiognathidae, Nemipteridae, Siganidae, Synodontidae dan Loligonidae. Klasifikasi alat tangkap yang digunakan nelayan yaitu jaring angkat (bagan perahu dan bagan apung) dan pancing. Status konservasi berdasarkan IUCN ditemukan sebanyak 12 spesies tergolong Least Concern, satu spesies Near Threatened, dua spesies Data Deficient dan empat spesies lainnya Not Evaluated. Berdasarkan hasil tersebut, dapat disimpulkan bahwa keberlanjutan perikanan khususnya spesies yang terancam punah memerlukan pengelolaan oleh pemangku kepentingan terkait seperti dilakukannya sosialisasi dari penyuluh perikanan mengenai status konservasi dan jenis-jenis ikan yang sudah terancam punah.

Page 8 of 15 | Total Record : 149

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