Journal of Aquaculture Science

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ISSN / EISSN : 2550-0910 / 2579-4817
Total articles ≅ 92
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Tri Djoko Lelono, Muhammad Arif Rahman, Gatut Bintoro, Nita Hellis Setyowati, Nindi Nur Wulandari
Journal of Aquaculture Science, Volume 6, pp 61-76; https://doi.org/10.31093/joas.v6i1is.159

Abstract:
Pelagic fish resources have a very important role in regional economic development. The assumption that fish resources are common property so that everyone is free to catch (open access) is a problem with overfishing in East Java waters. The purpose of this study is to determine the superior commodity of small pelagic fish, the status of exploitation of superior fish resources and to compile a scenario of sustainable management of superior resources. The method in this research is quantitative descriptive method with data analysis used including Location Quotient (LQ), Schaefer (1954), Fox (1970), Walter Hilborn, and programming STELLA (System Thinking, Experimental Learning Laboratory with Animation). The research result of the superior species in the province in the south of East Java) is sardin, while the superior fish in the regency is s Rainbow runner. The status of fisheries at the level of superior fisheries exploitation in South East Java, the level of exploitation of ssrdin fish is 240% with the status of Depleted. Finally, the level of exploitation for s Rainbow runner fish is 689%, which means that they are included in depleted. The scenario of sustainable management of pelagic fisheries for the next 10 years, namely 2018 - 2027 for lemuru fish, the highest biomass reserves will be obtained in 2027, using a fixed effort allocation which has biomass reserves of 179% and the potential value of sustainable reserves of 8,438.48 tonnes. The results showed that the superior commodities of small pelagic fish in North East Java were mackerel fish. The superior fish commodity in the Regency / City is obtained by Finny scad fish. The level of exploitation for mackerel is 127% with the status of Over Exploited, and the level of exploitation for Finny scad is 131% with the status of Over Exploited. The scenario for the management of the superior mackerel commodity, the highest biomass reserve in 2027 is the allowable fishing effort allocation (fJTB) of 129%.Key Words: STELLA ,Superior commodity, Fishery status, Sustainable potential
Endang Suhesti
Journal of Aquaculture Science, Volume 6, pp 218-230; https://doi.org/10.31093/joas.v6i1is.176

Abstract:
Perairan di Provinsi Nusa Tenggara Barat (NTB) merupakan wilayah yang sangat potensial untuk pengembangan sektor perikanan tangkap karena perairan tersebut merupakan wilayah migrasi ikan. Potensi sumberdaya ikan yang tinggi di Kabupaten Situbondo seharusnya dapat dimanfaatkan secara optimal sehingga mendatangkan keuntungan bagi masyarakat nelayan. Strategi untuk mengoptimalkan pemanfaatan sumberdaya ikan yaitu dengan menentukan komoditas unggulannya. Metode dasar yang digunakan adalah metode deskriptif dengan pengambilan daerah penelitian secara purposive. Melalui observasi lapangan, wawancara, dan survei instansional maka didapatkan data-data penunjang yang dianalisis dengan metode analisis LQ (Location Quotient). Jenis data yang digunakan adalah data produksi komoditas sektor perikanan tangkap selama tahun 2018 hingga 2020. Komoditas pertanian unggulan yang diprioritaskan untuk dikembangkan di tiap kecamatan di Kabupaten Situbondo adalah ikan cucut di Kecamatan Banyuglugur, Ikan layang di Kecamatan Besuki dan Suboh, ikan manyung di Kecamatan Mlandingan dan Asembagus, ikan selar di Kecamatan Bungatan, udang di Kecamatan Kendit, ikan pari di Kecamatan Panarukan, lemuru di Kecamatan Mangaran ikan petek di Kecamatan Banyuputih, kepiting di Kecamatan Kapongan dan Arjasa. Komoditas unggulan dan paling banyak dihasilkan di Kabupaten Situbondo adalah kerapu, kembung dan kepiting.
Dimas Imaniar, Erna Agustina
Journal of Aquaculture Science, Volume 6, pp 198-207; https://doi.org/10.31093/joas.v6i1is.174

Abstract:
Tidak ada masyarakat yang tidak mengalami perubahan. Begitu juga dengan masyarakat yang berada di Desa Kilensari Kecamatan Panarukan Kabupaten Situbondo. Seiring perkembangan zaman, masyarakat desa Kilensari mulai berdinamika. Sehingga memunculkan pertanyaan 1) Apa saja aspek-aspek yang mengalami perubahan sosial budaya pada aktivitas masyarakat pesisir desa Kilensari? Lalu, faktor-faktor apa saja yang mendorong terjadinya perubahan tersebut?. Metode penelitian yang digunakan adalah kualitatif deskriptif. Pemilihan lokasi di Desa Kilensari Kecamatan Panarukan Kabupaten Situbondo karena lokasi ini merupakan kampong nelayan terbesar di Kabupaten Situbondo dan terdapat tugu 1000 kilometer jalan raya pantura. Subjek penelitian terdiri dari kepala Desa, tokoh masyarakat, pengusaha kerajinan kayu. Teknik Pengumpulan Data berupa observasi, dan wawancara mendalam. Teknik pengambilan sampel yakni purposive sampling. Berdasarkan hasil penelitian, dapat diketahui aspek-aspek yang mengalami perubahan dalam aktivitas pengelolaan kerajinan kayu adalah aspek pengetahuan, aspek kepercayaan, aspek sosial budaya, dan aspek sistem ekonomi. Sedangkan faktor-faktor yang mendorong terjadinya perubahan adalah kontak dengan budaya lain, ketidakpuasan masyarakat terhadap bidang-bidang kehidupan tertentu, orientasi masa depan dan nilai bahwa manusia harus senantiasa berikhtiar untuk memperbaiki hidupnya.
S.Pi. Darmawan Setia Budi
Journal of Aquaculture Science, Volume 6, pp 1-14; https://doi.org/10.31093/joas.v6i1is.151

Abstract:
Catfish (Clarias sp.) is one of Indonesia's leading fishery commodities whose production continues to be increased. Humic acid is known to help increase growth in several types of fish and is expected to be applied to catfish. This study aims to determine the effect of humic acid in commercial feed on the growth and total number of bacteria in the digestive tract of catfish (Clarias sp.). A total of 300 catfish with an average length of 5.76 ± 0.21 cm and an average weight of 27.92 ± 0.39 g were used in 5 treatments (4 replicates/treatments) of humic acid supplementation in feed with different doses, namely P1 (without humic acid/control), P2 (0.5 %), P3 (1.0%), P4 (1.5 %), and P5 (2.0 %). Maintenance was carried out for 40 days by feeding treatment 3 times a day as much as 5% of body weight. Parameters observed were absolute length growth (cm), absolute weight growth (g), specific growth rate (%), and total bacteria in the digestive tract (colonies/g). Based on the results of the study, it was found that the treatment had a significant effect on the growth and number of bacterial colonies with the optimal dose of humic acid of 0.5.Keyword : Behavior, Doses, Control, Colony
Yusmia Widiastuti
Journal of Aquaculture Science, Volume 6, pp 261-267; https://doi.org/10.31093/joas.v6i1is.179

Abstract:
Pemanfaatan sumberdaya perikanan dan kelautan dalam bentuk usaha penangkapan ikan di wilayah Kabupaten Banyuwangi masih didominasi oleh perikanan rakyat (perikanan skala kecil/tradisional). Diketahui bahwa masih banyak buruh nelayan yang menggantungkan hidupnya kepada nelayan pemilik. Sehingga perlu dicarikan alternatif sumber pendapatan tambahan bagi rumah tangga nelayan kecil. Tujuan penelitian ini adalah mengetahui perilaku ekonomi rumah tangga nelayan, menganalisis kontribusi usaha off fishing terhadap peningkatan ekonomi rumah tangga nelayan, dan merumuskan alternatif strategi dalam rangka peningkatan pendapatan rumah tangga nelayan di Kabupaten Banyuwangi melalui off fishing employment. Lokasi penelitian ini difokuskan pada 2 kecamatan yaitu Kecamatan Muncar dan Kecamatan Purwoharjo, Kabupaten Banyuwangi. Pemilihan lokasi dilakukan dengan melakukan studi kasus terhadap rumah tangga nelayan skala kecil yang melakukan usaha off fishing pada lokasi penelitian dan sebanyak 30% diambil dengan menggunakan Simple Random Sampling. Analisa perilaku ekonomi rumah tangga nelayan kecil digambarkan dalam estimasi sejumlah variable pengalaman melaut, frekuensi melaut, jumlah alat tangkap, ukuran perahu, dan penambahan jumlah bensin. Kontribusi usaha off-fishing terhadap total pendapatan rumahtangga nelayan skala kecil cukup bervariasi, tergantung pada pendapatan nelayan dari penangkapan ikan di laut. Semakin besar pendapatan nelayan dari menangkap ikan di laut, semakin besar pula pendapatan nelayan dari penangkapan ikan di laut. Dengan menggunakan sistem off fishing strategi yang diperlukan adalah pemberian pelatihan teknologi terutama tentang aneka pengolahan hasil perikanan untuk meningkatkan added value, penguatan kelembagaan dilakukan dengan melakukan pembenahan kelembagaan, dan masalah keterbatasan modal dapat diatasi dengan pemberian bantuan permodalan.
Moh. Fahrurrozi, Marta Ishardhi
Journal of Aquaculture Science, Volume 6, pp 157-163; https://doi.org/10.31093/joas.v6i1is.168

Abstract:
Muncar Beach, Banyuwangi Regency is an area with high disaster risk. Community-based disaster management will be much more effective than formal agencies set up by the state. But it also does not mean that formal institutions are not important. Education, counseling, and public awareness are non-structural/non-physical disaster mitigation activities. This study aims to analyze the level of knowledge and preparedness of coastal communities in Muncar, Banyuwangi Regency in dealing with disasters, and to find out how the community-based disaster mitigation system in Muncar Beach, Banyuwangi Regency is. This research uses qualitative methods with qualitative descriptive research. Data were obtained through observation, in-depth interviews, and documents. The subjects of this research are community leaders, fishermen, and the people of Kedungrejo Muncar Village. The analysis technique in this research is inductive. In this study, the inductive analysis used is an interactive analysis technique. The results show that the paradigm of disaster management at the population level has not changed much and is still associated with myths. Knowledge and awareness of coastal communities about disaster mitigation are still very low.Keywords: Mitigation, Disaster, Muncar, Banyuwangi
Shinta Hiflina Yuniari
Journal of Aquaculture Science, Volume 6, pp 174-182; https://doi.org/10.31093/joas.v6i1is.170

Abstract:
The northern to southern of Banyuwangi there have the stretches of mangrove, nevertheless only a few of mangrove locations have been identified and mapped based the type and extent of the mangroves. The coastal area of Banyuwangi Regency is the longest in East Java, with mangrove as the priority of tourism program coastal resources, therefore must be conservated. This study aims to determine the types of mangroves on Wongsorejo coastal, mapping the distribution of mangroves on Wongsorejo coastal, and determine the diversity of mangroves on Wongsorejo coastal. The research design used in this research is descriptive quantitative. Methods of data analysis using spatial analysis and analysis of mangrove vegetation. The results showed that there were 18 mangrove species consisting of 10 true mangroves and the remaining 8 associated mangroves, such as Avicennia lanata, Avecennia marina, Sonneratia alba, Rhizophora apiculata, Avicennia alba, Rhizophora stylosa, Rhizopora mucronata, Excoearia agallocha L, Lumnitzera racemose, Willd. var. Racemosa, Phemphis acidula, Wedelia biflora, Ipomoea pes-caprae, Calontropic gigantea, Clerodendrum inerme Gaertn, Hibiscus tiliaceus L, Morinda citrifolia L, Passiflora foetida, Sesuvium portulacastrum. The relative density of mangroves on Wongsorejo coastal was less than 50%, which means that mangroves are few/rare and/or in heavily damaged condition. Meanwhile, diversity based on the analysis carried out shows moderate diversity.Keyword : Identification, Mapping, Mangrove, Wongsorejo Coastal.
Ervina Wahyu Setyaningrum, Mega Yuniartik
Journal of Aquaculture Science, Volume 6, pp 15-27; https://doi.org/10.31093/joas.v6i1is.152

Abstract:
Vaname is one type of shrimp that is often cultivated in Indonesia. The shrimp farming system model consists of an extensive system (traditional) and an intensive system. This study aims to compare the abundance of plankton, water conditions, growth performance of vannamei shrimp (Litopenaeus vannamei) in intensive and extensive aquaculture systems in the waters of Banyuwangi Regency. Parameters measured include physical and chemical parameters, namely temperature, brightness, pH, dissolved oxygen, salinity, ammonia, and alkalinity, type and abundance of plankton. The research method used is descriptive method. The method of analysis is the abundance of plankton, and analysis of productivity, SR, FCR and growth of vannamei shrimp. The results showed that plankton in intensive pond waters were identified as many as 4 classes, namely phytoplankton class Chlorophyta, Cyanophyta and Chrysophyta, while zooplankton class Protozoa. In traditional ponds, it is not much different, only the Crpytophyta class as an additional identification result. The abundance of plankton in intensive ponds reaches 27,595 individuals per liter, while for extensive ponds the abundance of plankton reaches 37,641 individuals per liter. While the survival rate of shrimp in intensive ponds is around 86%, while in extensive ponds is 67%. The FCR value for extensive ponds is 1.02, while the FCR value for intensive ponds is 1.17. The final average weight of shrimp in intensive ponds was 11.76 g/head and 8.33 g/head in extensive ponds.Keyword : Vaname Shrimp, Intensive Cultivation, Extensive
Yusmia Widiastuti
Journal of Aquaculture Science, Volume 6, pp 126-133; https://doi.org/10.31093/joas.v6i1is.165

Abstract:
The plantation sector is a sector that plays a role in the country's foreign exchange earnings. One of the foreign exchange-producing plantation commodities is coffee. In 2011, foreign exchange earnings from coffee commodities resulted in an export value of US$ 1,085.89 million or 10.1% of the export value of all agricultural commodities, or 0.5% of non-oil and gas exports or 0.4% of the total export value. To increase coffee productivity both in quality and quantity, it is necessary to improve the economic environment and also have the entrepreneurial competence of coffee farmers. The purpose of this study was to analyze the influence of the economic environment and entrepreneurship on-farm performance. This research was carried out in Banyuwangi Regency which was carried out purposively with the research population being coffee farmers who had a coffee area of 0.5 - 1 Ha. The results of the study show that the economic environment has a positive effect on entrepreneurship as a result, the better the economic environment, the better the entrepreneurship of farmers. The economic environment does not directly affect the performance of coffee farming but has a direct effect on farmer entrepreneurship. Entrepreneurship has a positive effect on farm performance, as a result, the better the farmer's entrepreneurship, the better his farming performance.Keywords: Economic Environmental Factors, Entrepreneurship, Farming Performance, Coffee
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