Daerah Penangkapan Potensial Tuna Madidihang Thunnus albacares, Bonnaterre, 1788 (Teleostei:Scombridae) di Laut Seram

Paillin, Jacobus Bunga; Matrutty, Delly Dominggas Paulina; Siahainenia, Stany Rachel; Tawari, Ruslan Husen Saban; Haruna, Haruna; Talahatu, Putri

doi:10.14710/jkt.v23i2.7073

Cited by 6 publications

(5 citation statements)

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“…Chlorophyll-α concentrations are also strongly influenced by currents in these waters. Using satellite image data, namely chlorophyll-α and sea surface temperature, is essential because it has proven to be a productive fishing area 5 .…”

Section: Results and Discussion Distribution Of Chlorophyll-αmentioning

confidence: 99%

ANALYSIS OF CHLOROPHYLL-α AND SEA SURFACE TEMPERATURE DISTRIBUTION USING SATELITE IMAGE TO ESTIMATE OF FISHING ZONES FOR YELLOWFIN TUNA (Thunnus albacares) IN WEST SUMATERA PROVINCE WATERS

Arta,

Mubarak,

Nasution

2024

ajoas

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The potential of tuna in the waters of West Sumatra reaches 300,000 tons per year, and only 25% of its existing potential has been exploited. The existence of these fish can be determined by measuring the concentration of chlorophyll-α as an indicator of food sources in the waters and measuring sea surface temperature as an indicator of the fish environment, which can be done using remote sensing technology. This research was conducted from August 05 to September 29, 2022, using Aqua MODIS satellite imagery data. The results obtained during the study showed that the concentration of chlorophyll-α had an average of 2.01 mg/m3. The highest concentration occurred in the period 13-20 August 2022 with an average value of 3.17 mg/m3, and the lowest occurred in the period 06-13 September 2022 with an average value of 0.85 mg/m3. Sea surface temperature has a relatively similar value, which ranges from 29.5–30.8oC with an average of 30.5oC. Determination of the alleged fishing area for yellowfin tuna was carried out using the overlay technique by shading the area from chlorophyll-a criteria >0.1 mg/m3 with the sea surface temperature criteria of 29-30oC. The accuracy level of the yellowfin tuna fishing area estimation has an average accuracy of 28.7%. The highest accuracy value occurs from August 29 to September 05 2022, with a percentage of 69.8%, and the lowest occurs from August 13 to 20, 2022, with a rate of 3.9%.

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Section: Results and Discussion Distribution Of Chlorophyll-αmentioning

confidence: 99%

ANALYSIS OF CHLOROPHYLL-α AND SEA SURFACE TEMPERATURE DISTRIBUTION USING SATELITE IMAGE TO ESTIMATE OF FISHING ZONES FOR YELLOWFIN TUNA (Thunnus albacares) IN WEST SUMATERA PROVINCE WATERS

Arta,

Mubarak,

Nasution

2024

ajoas

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“…Ikan tuna merupakan salah satu ikan ekonomis penting dengan kandungan gizi yang tinggi, namun jika tidak ditangani dengan baik akan mengalami kemunduran mutu (Nurjanah et al, 2019). Waktu penangkapan yang paling potensial pada bulan Januari, Februari, Maret, dan Mei sedangkan pada bulan April berada dalam kategori potensial sedang (Paillin et al, 2020). Ikan tuna di sekitar lokasi penangkapan menjadi komoditas utama ekspor dan diolah menjadi ikan asin kering.…”

Section: Pendahuluanunclassified

Aplikasi perendaman bertingkat garam dan larutan serbuk biji atung terhadap kualitas ikan tuna asin kering

Pattipeilohy,

Moniharapon,

Seulalae

2023

JPHPI

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Ikan tuna asin kering merupakan salah satu bentuk hasil olahan ikan tuna undersize yang dibuat oleh masyarakat di sekitar Perairan Maluku. Pengolahan bahan baku menjadi ikan asin bertujuan untuk mengawetkan ikan agar tidak cepat busuk dan lebih tahan lama. Bahan pengawet yang biasanya digunakan produsen ikan asin, yaitu garam dan beberapa juga menambahkan bahan pengawet yang sudah dilarang penggunaannya karena berbahaya bagi tubuh. Atung (Atuna excelsa subsp. racemosa) merupakan tanaman endemik Maluku yang dapat digunakan sebagai bahan pengawet alami untuk produk pangan. Penelitian ini bertujuan untuk menentukan perlakuan terbaik perendaman bertingkat garam dan larutan biji atung dalam menghasilkan ikan tuna asin kering berdasarkan parameter kimia, mikrob, dan organoleptik. Ikan tuna sirip kuning difilet, direndam dengan larutan garam perlakuan 5% dan 10% lalu dilanjutkan direndam dengan perlakuan larutan atung 3%, 4%, dan 5%. Parameter yang diamati meliputi kadar air, protein, garam, Total Plate Count (TPC), dan organoleptik (ketampakan, bau, rasa, dan tekstur). Hasil penelitian menunjukkan bahwa perbedaan konsentrasi garam dan larutan atung memengaruhi kadar air, protein, garam, TPC, dan organoleptik ikan tuna asin kering. Perlakuan penambahan garam 10% dan larutan atung 4% merupakan perlakuan terbaik dengan kadar protein tertinggi 70,59±0,52%, air 27,27±0,14%, garam 4,30±0,05%, kandungan TPC 1,37x103 cfu/g, dan penilaian sensori secara keseluruhan disukai panelis.

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“…Putri [9] stated skipjack is generally found caught in the sea surface temperature range of 28.42°C -30.73°C. Paillin [10] stated that the optimum yellow fin tuna was obtained at a temperature of 29-30°C.…”

Section: Distribution Pattern Of Fish Around Portable Fadsmentioning

confidence: 99%

Fishing trials of portable fad on purse seine fisheries

Yusfiandayani

Baskoro

Sutioso³

et al. 2022

IOP Conf. Ser.: Earth Environ. Sci.

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Fish Aggregating Devices (FADs) are tools for collecting fish by using various attractors from solid objects that attract fish to gather. Portable FAD uses sound frequency attractors that can be operated in various fishing areas. Portable FAD is not placed permanently in the waters and can be stored until fishing operations are carried out. The purpose of this activity is to calculate the buoyancy and gravity of portable FAD, determine the composition of the catch, and determine the distribution pattern of fish in the morning, afternoon, and evening. For 17 (seventeen) days, this activity was carried out in Yamdena waters, Ambon. The calculation results of the total buoyancy force of portable FAD were 20554.69 gs, total sinking force was 5460.69 gs, and the extra buoyancy value was 73%. The dominant fish caught using purse seiner were skipjack tuna (Katsuwonus pelamis) of 37.41%, yellowfin tuna (Thunnus albacares) of 33.53%, scad fish (Decapterus russeli) of 11.62%, tuna (Euthynnus affinis) by 8.12%, and sunglir fish (Elagatis bipinnulata) by 5.14%. Portable FAD can attract fish from 15 minutes and continue to increase to a peak at 105 minutes with 160 fish approaching. The highest fish approach to portable FAD was recorded in the morning at 105 minutes at a depth of 20-25 m were 89 fish, the lowest was in the afternoon at 15 minutes at a depth of 5-10 m were 7 fish. The best use of portable FAD is in the morning and evening.

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Daerah Penangkapan Potensial Tuna Madidihang Thunnus albacares, Bonnaterre, 1788 (Teleostei:Scombridae) di Laut Seram

Cited by 6 publications

References 0 publications

ANALYSIS OF CHLOROPHYLL-α AND SEA SURFACE TEMPERATURE DISTRIBUTION USING SATELITE IMAGE TO ESTIMATE OF FISHING ZONES FOR YELLOWFIN TUNA (Thunnus albacares) IN WEST SUMATERA PROVINCE WATERS

ANALYSIS OF CHLOROPHYLL-α AND SEA SURFACE TEMPERATURE DISTRIBUTION USING SATELITE IMAGE TO ESTIMATE OF FISHING ZONES FOR YELLOWFIN TUNA (Thunnus albacares) IN WEST SUMATERA PROVINCE WATERS

Aplikasi perendaman bertingkat garam dan larutan serbuk biji atung terhadap kualitas ikan tuna asin kering

Fishing trials of portable fad on purse seine fisheries

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