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Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology
Published by Universitas Diponegoro
ISSN : 18584748     EISSN : 25490885     DOI : -
Core Subject : Education,
Education
SAINTEK PERIKANAN (p-ISSN: 1858-4748 dan e-ISSN: 2549-0885) adalah jurnal ilmiah perikanan yang diterbitkan oleh Jurusan Perikanan Fakultas Perikanan dan Ilmu Kelautan Universitas Diponegoro. Jurnal ini diterbitkan 2 (dua) kali setahun (Februari dan Agustus).
Arjuna Subject : -
Articles 492 Documents
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THE EVALUATION OF Spirulina platensis DIETARY SUPPLEMENTATION ON THE GROWTH PERFORMANCE AND COLOR QUALITY OF POLAR BLUE CICHLID (Archocentrus nigrofasciatus × Amphilophus citrinellus) Azril, Muh.; Wulan, Rahayu; Asri, Yuliana; Tartila, Shobrina Silmi Qori; mujtahidah, tholibah; Aji, Candra Purnomo; Setiani, Novia Ardhita; Wahyudi, Brillian Rossi; Widianto, Ikhwan Nursalman; Zusron, Muhammad
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 20, No 2 (2024): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijfst.20.2.85-90

Abstract

This study aimed to evaluate S. platensis powder dietary supplementation on the growth performance and color quality of polar blue cichlids. This study used a completely randomized design experimental method with four different dietary supplementation doses of S. platensis powder, namely 10 g/kg diet (A), 20 g/kg diet (B), 30 g/kg diet (C), and 0 g/kg diet (K). These treatments were replicated four times. The polar blue cichlids as fish samples had 4.07 ± 0.12 cm and 2.15 ± 0.22 g. Diets (38% protein) were produced by coating the commercial feed with S. platensis powder in appropriate dosage. Feeding was performed until apparent satiation twice a day for 45 days. All parameters, including growth performance (feed intake, weight gain, length gain, specific growth rate, feed conversion ratio, survival rate) and color quality (total grid percentage and total chromatophores), were analyzed using an analysis of variance and the Duncan's multiple range test was applied to obtain the best treatment in growth performance and color quality. The dietary supplementation of S. platensis powder had no significant effect on the growth performance of polar blue cichlids. However, this treatment provides a higher total grid percentage of blue color and total chromatophores in the fish. The best treatment on color quality was found in a 30 g/kg diet dose of S. platensis powder. Therefore, 30 g/kg dose of S. platensis powder is effective to improve the color quality of polar blue cichlids, although providing no significant effect on the growth of the fish.
Analysis of the Nutritional and Organoleptic Content of Mujair Fish (Oreochromis mosammbicus) in Lake Limboto and Popayato Aquaculture Ponds Dunggio, Noviyanti
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 20, No 3 (2024): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijfst.20.3.152-156

Abstract

ABSTRACTTilapia fish (Oreochromis mosammbicus) is a type of cultivated fish that can live in fresh and brackish water. This fish is a fish that is currently widely cultivated and the production is quite high, has developed quite quickly, is easy to obtain and has a lot of high nutritional content. The purpose of this study was to determine the comparison of the chemical quality of tilapia fish (Oreochromis mosammbicus) in Limboto Lake and Popayato Cultivation Ponds. This type of qualitative descriptive research. Fish samples were obtained from Limboto Lake and Popayato Cultivation Ponds. Tilapia fish samples were tested for organoleptic and chemical quality tests (proximate). The organoleptic test includes appearance, taste, aroma and texture. The chemical quality content includes water content, ash content, fat content and protein content. The results showed that there were differences in the nutritional content of tilapia fish from Limboto Lake and Popayato Cultivation Ponds. Judging from the organoleptic tests on the appearance, taste, aroma and texture of the Limboto tilapia fish, it is different from the tilapia fish originating from the Popayato Cultivation Ponds. The chemical test results for the Limboto tilapia fish obtained a water content of 75.91%, an ash content of 1.06%, a protein content of 18.64%, a fat content of 3.73% and for tilapia fish in Popayato Cultivation Ponds a water content of 77.10 was obtained. %, ash content 1.16%, protein content 17.55% and fat content 3.58%. Keywords: Mujair fish (Oreochromis mosammbicus); Nutrient content ; Organoleptic
STOCK RECOVERY EFFORTS OF SHORTFIN MAKO SHARK (Isurus oxyrinchus Rafinesque, 1810) LANDED AT CILACAP OCEAN FISHING PORT (PPS Cilacap) Raharjo, Budi; Nugroho, Supradianto; Widiarto, Santoso Budi; Arifati, Atika
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 20, No 3 (2024): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijfst.20.3.141-147

Abstract

The high exploitation rates of several shark groups in Indonesia have the potential to threaten the sustainability of their populations. The shortfin mako shark (Isurus oxyrinchus) represents one of the most significant catches of shark species in the Indian Ocean, with a considerable portion of these catches landing at the Cilacap Ocean Fishing Port. Studies on the recovery of shark stocks must be conducted to provide effective management plans that will prevent overexploitation. The objective of this study is to ascertain the exploitation status of I. oxyrinchus and to develop a simulation model for its stock recovery. The data on the total catch of shortfin mako shark (I. oxyrinchus) in the period between 2009 and 2022 in the statistical report of Cilacap Ocean Fishing Port, were subjected to analysis using the CMSY (Catch-based Maximum Sustainable Yield) method. The analysis demonstrated that the total sustainable catch (MSY) was 9.6 tons, with an exploitation rate of 2.61. The utilization rate falls within the red zone, indicating that overfishing has occurred. The simulation results from several stock recovery scenarios indicated that a reduction in fishing mortality to 5% of FMSY (fishing mortality) would be required to achieve stock recovery in approximately 10 years. The implementation of stock recovery for I. oxyrinchus by reducing fishing pressure can be achieved by setting a maximum catch limit. Therefore, the establishment of a maximum catch limit represents a crucial conservation effort for this species, as well as a form of implementation of the CITES policy in Indonesia.
Control of Ice-Ice Disease and Growth in Farming Red Algae Kappaphycus alvarezii (Doty) Doty through the Application of Diversification Method Tisera, Wilson Lodewyk
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 20, No 1 (2024): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijfst.20.1.30-34

Abstract

The farming of red algae Kappaphycus alvarezii (trade name Eucheuma cottonii) has grown rapidly in East Nusa Tenggara since 1999, which has contributed significantly to increasing the income of the communities and region. The biggest problem faced since a decade ago is the ice-ice disease phenomenon which attacks the farming of K. alvarezii, reducing production, and the farmer's income drastically. This experimental study aimed to minimize the ice-ice disease infestation in the farming of K. alvarezii through the application of diversification methods. This research was conducted in the farming area of K. alvarezii in Sulamu Waters from July-September 2020.  An experimental method was tested in order to minimize ice-ce disease infestation. As a treatment, three longline nylon ropes were used with three replicates. The first line was placed by Gracilaria sp seeds; the second line by K. alvarezii seeds; while the third line by Sargassum polycystum seeds. The conventional farming method carried out by local farmers was used as control.  The parameters tested were disease incidence and intensity as well as growth rate.  The result showed that both treatment and control showed infestation of ice-ice disease. Farming with treatment using Gracilaria sp. and Sargassum polycistum gave better resistance to ice-ice disease compared to the one without (control). The treatment showed less incidence (12-38%), and intensity (0.05-0.435) of ice-ice disease compared to the control, 30-45% and 2,1-17,19% respectively. The contrary happened related to the growth rate. The control showed better daily growth (mean 4.74%) compared to the treatment (mean 4.70%).
THE EFFECTIVENESS OF COMMUNITY-BASED SEA TURTLE MONITORING SUPPORTS HATCHING SUCCESS ON BANDO ISLAND, PIEH ISLAND MARINE PROTECTED AREA Widhayanti, Arintika; Tyas, Diani Estining; Nugraha, Adiguna Rahmat; Jasilah, Nur; Hanif, Andriyatno; Hamdika, Wahyu; Irfansyah, Rahmat
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 20, No 3 (2024): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijfst.20.3.110-116

Abstract

Bando Island is an important part of Pieh Island Marine Protected Area which is a sea turtle nesting habitat in West Sumatra Province. Sea turtle conservation is carried out collaboratively by community groups driving conservation, island customs, and the people of Padang Pariaman Regency. The community groups and the island owners' customary law conduct sea turtle conservation on Bando Island. The purpose of this study was to identify community involvement in sea turtle monitoring activities and analyze the hatching success as an indicator of the effectiveness of community-based sea turtle monitoring on Bando Island. Field surveys were conducted from January 2020 to August 2024. The method used in analyzing research data were quantitative method. The community involvement in sea turtle monitoring consisted of observation, data collection, and reporting. The sea turtle species that landed were green sea turtles (Chelonia mydas) and hawksbill turtles (Eretmochelys imbricata). The number of eggs moved to semi-natural relocated nests is 13.123 and the number of hatchlings released is 10.699 green hatchlings and 1.730 hawksbill hatchlings. The effectiveness of community-based sea turtle monitoring can be seen from the discovery of sea turtle tracks that have the potential to find egg nests, the percentage of egg hatching in semi-natural relocated nests was 91,72% indicating optimal hatching power, and hatching success reaching 90.64% which is included in the high category.
Kajian Kinetika adsorpsi asam lemak bebas pada minyak ikan oleh limbah sisik ikan kakap Lakapu, Mada Mariana
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 20, No 4 (2024): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijfst.20.4.%p

Abstract

Berdasarkan data hasil penelitian diperoleh bahwa sisik ikan kakap tanpa dimodifikasipun dapat mengadsorpsi asam lemak bebas  dengan hingga 19,14 % pada waktu optimum 60 menit dan massa optimum pada 0,5 gr (0.1% g/ml). kemampuan adsorben sisik ikan ini disebabkan oleh adanya kitin yang memiliki kemampuan untuk mengadsorbsi asam lemak bebas. hasil analisis dengan BET menunjukan adsorben memilki pori dengan jenis mikropori dan mengikuti model kinetika difusi intra partikel.
POPULATION STUDIES OF SEA TURTLE IN BA'BATOA LAPEO BEACH POLEWALI MANDAR REGENCY, WEST SULAWESI, INDONESIA Rini, Indri Putri Sekar; Anggara, Dimas Wahyu; Ardy, Ardy; Ardiansyah, Muh. Putra; Jakasukmana, Munandar; Nurdin, Nur Masyitha; Yudiarso, Permana; Jati, Oktavianto Eko
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 20, No 3 (2024): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijfst.20.3.148-151

Abstract

Sea turtles are marine biota that have an important role in the lives of coastal communities, but their existence has decreased due to threats to their habitat. The protection status of sea turtles has been regulated nationally and internationally, where they are fully protected. One location with potential sea turtle habitat in West Sulawesi is Ba'batoa Lapeo Beach in Polewali Mandar Regency. This is evidenced by the existence of community groups that carry out sea turtle conservation activities. This research analyzes the population of landed sea turtles, analyzes the success rate of hatching sea turtle eggs, and identifies threats that occur in efforts to manage sustainable sea turtle conservation at Ba'batoa Lapeo Beach. Data was collected through collaboration between BPSPL Makassar and the Laut Biru Community Group—the implementation of data collection from April to July 2024 through primary and secondary data collection. Primary data is obtained directly from the results of monitoring by the Laut Biru Community Group. Secondary data is used to describe primary data. Based on the analysis results, the type of sea turtle that landed on Ba'batoa Lapeo Beach was the Olive Ridley Turtle (Lepidochelys olivacea) 42 times. The highest percentage of Olive Ridley Sea Turtle eggs hatching was in July 2024 at 95.54%, while the lowest was in April 2024 at 51.45%. Threats to sea turtle habitat in Ba'batoa Lapeo Beach are abrasion and natural predators such as monitor lizards. The results of this study are expected to optimize the national sea turtle database and become a concern for stakeholders for sea turtle conservation management in West Sulawesi Province.
MARKETING STRATEGY FOR PROCESSED SMOKED FISH PRODUCTS ON THE MICRO, SMALL, AND MEDIUM SCALE POKLAHSAR IN TEGAL CITY Aisah, Aisah; Mudzakir, Abdul Kohar; Noviyanti, Rinda
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 20, No 3 (2024): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijfst.20.3.117-126

Abstract

Tegal City, located on the northern coast of Central Java, boasts abundant marine resources that support its thriving fisheries sector . However, the city faces various sustainable challenges in the processing of smoked fish by micro, small, and medium-scale Processing and Marketing Groups (Poklahsar), including obstacles in production, marketing, and product development. This research aims to formulate marketing strategies for smoked fish products processed by Poklahsar to increase sales. Using a qualitative and descriptive approach, this study involved 36 respondents from smoked fish processors. Data were collected through observation, interviews, and questionnaires to understand the socio-economic and technical conditions of Poklahsar. SWOT analysis was conducted to identify internal and external factors affecting marketing. The results indicate that the main strengths of the smoked fish business lie in the quality of raw materials, the availability of labor, and the market acceptance of the product's unique taste. However, weaknesses include limited packaging and marketing capabilities, as well as a lack of knowledge about information technology. Externally, there are opportunities to enter modern markets and utilize marketing technology, but challenges such as poor sanitation and intense competition pose threats. Based on the SWOT analysis, the business is positioned in quadrant 2, indicating that product diversification is the best approach to enhance competitiveness. Key recommendations include packaging innovation, capacity building for business actors, collaboration with the government, and strengthening distribution channels. Implementing these strategies is expected to increase sales and competitiveness of smoked fish products in Tegal City.
PENGELOLAAN POTENSI WISATA BAHARI DITINJAU DARI KEARIFAN LOKAL TARA BANDU DI PULAU ATAÚRO TIMOR LESTE Pereira, Aquilio; Suryanti, Suryanti; Wijayanto, Dian
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 20, No 4 (2024): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijfst.20.4.173-180

Abstract

Pulau Ataúro di Timor-Leste memiliki potensi wisata pantai yang cukup potensial untuk dikembangkan dan dikelola, khususnya desa Beloi dan Biqueli. Tujuan penelitian ini untuk mengidentifikasi profil responden dan potensi wisata bahari, menganalisis karakteristik kearifan lokal Tara Bandu serta menyusun strategi pengelolaan potensi wisata bahari di Pulau Ataúro. Metode penelitian observasi, dengan teknik pengambilan sampel menggunakan dokumentasi dan wawancara terhadap wisatawan dan tokoh masyarakat dan tokoh adat. Analisis data potensi dengan menilai persepsi tentang keindahan dan kenyamanan potensi wisata, analisis data penerapan kearifan lokla dengan wawancara mendalam dan analisis strategi menggunakan analisis SWOT. Hasil penelitian menunjukkan bahwa profil wisatawan pulau Atauro sebagian besar laki-laki (65%), berusia 26 sampai 35 tahun (38%), dengan pendidikan S1 (34%) dan berasal dari Timor Leste (68%). Penerapan pendekatan kearifan lokal Tara Bandu didalam pelaksanaan wisata bahari di Pulau Atauro, dapat menjaga pelestaria alam sekaligus meningkatkan pendapatan masyarakat di lokasi wisata. Strategi pengelolaan potensi wisata bahari di Pulau Atauro adalah (1). Kenyamanan pengunjung merupakan faktor penting didalam pengembangan kearifan lokal wisata bahari, mendatangkan wisatawan baru, dan pengembangan sumber daya manusia. (2). Pengelolaan potensi biota laut didalam pengembangan potensi wisata. Dan (3). Pengelolaan daya tarik alam dan pantai serta keindahan bawah laut dalam pengembangan potensi wisata.
ANALISIS PENDAPATAN DAN KETAHANAN PANGAN NELAYAN TRADISIONAL DI KOTA SIBOLGA, PROVINSI SUMATERA UTARA Nainggolan, Hotden Leonardo; Tampubolon, Marina Mariana; Ginting, Albina; Tampubolon, Yanto R; Panjaitan, Susana Tabah Trina
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 20, No 4 (2024): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijfst.20.4.214-221

Abstract

Pendapatan nelayan yang rendah cenderung memiliki daya beli yang lemah dan mencerminkan sulitnya mengakses kebutuhan akan pangan, apalagi harga pangan mengalami peningkatan. Penelitian ini bertujuan untuk menganalisis pendapatan dan ketahanan pangan nelayan tradisional di Kota Sibolga, Provinsi Sumatera Utara. Penelitian dilakukan di Kota Sibolga, pada Juli s/d Nopember 2021 dan lokasi  penelitian ditentukan secara sengaja. Populasi  dalam penelitian  adalah nelayan tradisional yang berada di Kecamatan Sibolga Selatan sebanyak 645 kepala keluarga (kk).  Sampel dalam penelitian ini ditentukan dengan menggunakan formula slovin dan berdasarkan perhitungan diperoleh sampel sebanyak 42 responden.  Data yang digunakan dalam penelitian ini adalah data primer dan sekunder dan selanjutnya dianalisis dengan menggunakan metode deskriptif.  Berdasarkan hasil penelitian disimpulkan; a) rata-rata pendapatan nelayan tradisional sebesar Rp3.025.921/bulan, dan pendapatan diluar melaut dengan rata-rata Rp954.762/bulan;  b) pengeluaran nelayan tradisional untuk konsumsi pangan rata-rata Rp1.626.417,86/bulan, dengan proporsi pengeluaran pangan terhadap total konsumsi  59%. Pengeluaran untuk non-pangan rata-rata Rp1.130.142,86/bulan; c) Sekitar 60 % responden memiliki proporsi pengeluaran pangan > 60,0%, dengan rata-rata konsumsi Rp1.729.482/ bulan, dengan rata-rata konsumsi non-pangan Rp877.960/ bulan; d) Sebanyak 40% responden memiliki proporsi pengeluaran pangan<60,0%, dengan rata-rata pengeluaran Rp1.474.853/ bulan, dan  pengeluaran konsumsi non-pangan  Rp1.501.000/ bulan.  Berdasarkan hasil penelitian disarankan; a) agar pemerintah memberikan pelatihan dan penyuluhan yang  berkelanjutan kepada nelayan tradisional di Kota Sibolga terkait dengan peningkatan produksi dan pendapatan nelayan; b) agar pemerintah juga memberikan pelatihan dan penyuluhan kepada nelayan tradisional terkait dengan peningkatan keahanan pangan keluarga; c) agar pemerintah memberikan bantuan sarana dan prasarana serta kemudahan akses modal bagi nelayan tradisional dalam rangka peningkatan pendapatannya.

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