BIOLOGI REPRODUKSI TUNA MATA BESAR (Thunnus obesus) YANG TERTANGKAP DI SAMUDERA HINDIA

Faizah, Ria; Prisantoso, Budi Iskandar

doi:10.15578/bawal.3.2.2010.129-137

Cited by 6 publications

(7 citation statements)

References 1 publication

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“…Salinity is another key abiotic factor that effects sh physiology, in uencing the capacity of shes to ourish in various territories. Faizah (2010) found out that various oceanographic factors, including salinity, affect the distribution of Bigeye tuna. Bigeye tuna is quick swimmers sh and exceptionally transitory species.…”

Section: Resultsmentioning

confidence: 99%

Detection of Potential Fishing Zones of Bigeye Tuna (Thunnus Obesus) at Profundity of 155 m in the Eastern Indian Ocean

Fachruddin-Syah

Gaol

Zainuddin

et al. 2020

IJG

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Remotely sensed data and habitat model approach were employed to evaluate the present of oceanographic aspect in the Bigeye tuna's potential fishing zone (PFZ) at a profundity of 155 m. Vessel monitoring system was employed to acquire the angling vessels for Bigeye tuna from January through December, 2015-2016. Daily data of sub-surface temperature (Sub_ST), sub-surface chlorophyll-a (Sub_SC), and sub-surface salinity (Sub_SS) were downloaded from INDESO Project website. Vessel monitoring system and environmental data were employed for maximum entropy (maxent) model development. The model predictive achievement was then estimated applying the area under the curve (AUC) value. Maxent model results (AUC>0.745) exhibited its probable to understand the Bigeye tuna's spatial dispersion on the specific sub-surface. In addition, the results also showed Sub_ST (43,1%) was the most affective aspect in the Bigeye tuna dispersion, pursued by Sub_SC (35,2%) and Sub_SS (21,6%).

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Section: Resultsmentioning

confidence: 99%

Detection of Potential Fishing Zones of Bigeye Tuna (Thunnus Obesus) at Profundity of 155 m in the Eastern Indian Ocean

Fachruddin-Syah

Gaol

Zainuddin

et al. 2020

IJG

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“…Ikan tuna sirip kuning (Thunnus albacares) merupakan salah satu anggota dari Family Scombridae, yang termasuk dalam kelompok ikan tuna yang berukuran besar, sedangkan yang berukuran kecil berupa tongkol, cakalang dan skipjack (Faizah, 2010). Pengembangan budidaya ikan tuna yang ada di dunia saat ini, terfokus pada beberapa jenis spesies diantaranya adalah ikan tuna sirip biru spesifik (Thunnus orientalis), ikan tuna sirip biru selatan (Thunnus maccoyii) dan ikan tuna sirip kuning (Thunnus albacares) (Hutapea et al, 2010).…”

Section: Pendahuluanunclassified

Inkubasi Telur Dan Kualitas Larva Ikan Tuna Sirip Kuning (Thunnus Albacares) Pada Salinitas Yang Berbeda

Mawardi

Waspodo²,

Mukhlis³

2022

jmai

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Penelitian ini bertujuan untuk mengetahui salinitas air laut yang tepat untuk inkubasi telur dan pemeliharaan awal larva ikan tuna sirip kuning (Thunnus albacares). Penelitian ini dilaksanakan pada bulan November – Desember 2017 di Balai Besar Riset Budidaya Laut dan Penyuluhan Perikanan (BBRLPP) Gondol, Bali. Penelitian ini menggunakan metode eksperimental dengan Rancangan Acak Lengkap (RAL) dengan 4 perlakuan dan 3 kali ulangan, yaitu perlakuan (A) 29 ppt, (B) 31 ppt, (C) 33 ppt, (D) 35 ppt. Data dianalisis menggunakan analisis sidik ragam (ANOVA) dengan taraf nyata 5%. Hasil penelitian menunjukkan bahwa salinitas yang berbeda pada masa inkubasi dan pemeliharaan larva ikan tuna sirip kuning tidak memberikan pengaruh secara nyata pada lama waktu inkubasi, daya tetas dan panjang total larva aka tetapi memberikan pengaruh nyata (F-hitung > F-tabel 5%) terhadap tingkat abnormalitas larva. Salinitas 35 ppt dengan lama waktu inkubasi telur menghabiskan waktu selama 20 jam 43 menit, menunjukkan daya tetas telur sebesar 49,89%, tingkat abnormalitas terendah sebesar 16,03%, dan panjang total larva 2,82 mm. Kesimpulan dari penelitian ini adalah salinitas untuk masa inkubasi telur dan pemeliharaan larva ikan tuna sirip kuning masih dalam kaisaran 33-35 ppt.

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“…Perairan timur Samudera Hindia bagian Barat Sumatera adalah salah satu kawasan penangkapan ikan yang belum dimanfaatkan secara optimal oleh pemerintah dan masih perlu kajian yang lebih mendalam dari aspek ilmu oseanografi (LIPI, 2014). Samudera Hindia merupakan salah satu wilayah perairan yang memiliki 5 jenis ikan tuna (Faizah, 2010). Perairan Samudera Hindia memiliki potensi yang besar untuk kemungkinan terjadinya thermal front.…”

Section: Pengantarunclassified

Characteristics of Thermal Front in the Tropical Waters of Eastern Indian Ocean

Daulay

Sari

Usman

et al. 2019

JFS

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This study aims to elucidate spatio-temporal variability of the thermal front in the eastern tropical Indian Ocean of the western Sumatera. The research was conducted during November 2017- February 2018. The Single Image Edge Detection (SIED) was applied to daily sea surface temperature (SST) data of 2016 of the level-3 Aqua Moderate Resolution Imaging Spectroradiometer (MODIS) for the detection of thermal front. The number of the thermal front events during 2016 were 167 days. The distribution and frequency of thermal front mostly found in January, i.e. 23 days with SST mean of 30.3ºC. Whereas the lowest distribution appeared in November and the lowest frequency observed in September, i.e. 6 days with the SST mean of 29.1ºC. The highest temperature range of thermal front is between 31.4-32.0ºC and the lowest ranged between 26.4-29.3ºC. The occurrences of thermal front were commonly found in the open ocean. The highest frequency occurred in January and the lowest took place in September with the longest duration of 3 days.

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BIOLOGI REPRODUKSI TUNA MATA BESAR (Thunnus obesus) YANG TERTANGKAP DI SAMUDERA HINDIA

Cited by 6 publications

References 1 publication

Detection of Potential Fishing Zones of Bigeye Tuna (Thunnus Obesus) at Profundity of 155 m in the Eastern Indian Ocean

Detection of Potential Fishing Zones of Bigeye Tuna (Thunnus Obesus) at Profundity of 155 m in the Eastern Indian Ocean

Inkubasi Telur Dan Kualitas Larva Ikan Tuna Sirip Kuning (Thunnus Albacares) Pada Salinitas Yang Berbeda

Characteristics of Thermal Front in the Tropical Waters of Eastern Indian Ocean

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