Pemetaan Zona Potensial Penangkapan Ikan Tongkol di Perairan Teluk Banten

Achmad Nagi, Gandhi Napitupulu, Ivonne Milichristi Radjawane, Susanna Nurdjaman, Dedi Supriadi, Dewi Nurhayati
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引用次数: 0

Abstract

Ikan Tongkol (Euthynnus affinis) adalah komoditas di perairan Teluk Banten yang memiliki nilai produksi tinggi. Potensi ini bisa dimanfaatkan secara maksimal melalui pengetahuan tentang Zona Potensial Penangkapan Ikan (ZPPI). Penelitian ini bertujuan untuk menganalisis hubungan antara parameter oseanografi (suhu permukaan laut (SPL) dan klorofil-a) dan hasil tangkapan Ikan Tongkol, serta membuat pemetaan ZPPI Ikan Tongkol pada tahun 2014-2019. Prediksi ZPPI dilakukan melalui pendekatan parameter oseanografi berdasarkan citra satelit dan data hasil tangkapan Ikan Tongkol. Rata-rata tertinggi produksi Ikan Tongkol tahun 2014-2019 di Teluk Banten diperoleh selama musim peralihan I dengan SPL 29,92C – 30,98C dan konsentrasi klorofil-a 0,99 – 1,13 mg/m³. Analisis pengaruh SPL dan klorofil-a pada tangkapan dilakukan dengan regresi berganda. Pengaruh SPL dan klorofil-a terhadap hasil tangkapan dinilai cukup kuat berdasarkan dari koefisien korelasi () 0,743 dan koefisien determinasi () sebesar 0,551. Nilai dapat memberikan penjelasan bahwa SPL dan klorofil-a mempengaruhi hasil tangkapan sebesar 55,1%. Melalui Analisis Wavelet diperoleh persebaran klorofil-a dominan dipengaruhi faktor monsun sedangkan pengaruh IOD (Indian Ocean Dipole) dan ENSO (El Niño–Southern Oscillation) lemah, sehingga pemetaan ZPPI disusun berdasarkan empat musim. ZPPI yang memiliki potensi lokasi terbanyak diperoleh pada musim barat sejumlah 13 titik. Selanjutnya, berkurang pada musim peralihan I sebanyak 10 titik, musim peralihan II sebanyak 6 titik, dan musim timur sebanyak 4 titik. Mackarel Tuna (Euthynnus affinis) is a commodity in Banten Bay waters that has high production value. This potential can be maximally utilized through knowledge of the Potential Fishing Zone (). This study aims to analyze the relationship between oceanographic parameters (sea surface temperature (SST) and chlorophyll-a) and the catch of Mackarel Tuna, and create PFZ mapping of Mackarel Tuna in 2014-2019. The prediction of PFZ is done through the approach of oceanographic parameters based on satellite imagery and catch data. The highest average production of Mackarel Tuna in 2014-2019 in Banten Bay was obtained during transitional season I with a SST of 29.92°C - 30.98°C and a chlorophyll-a concentration of 0.99 - 1.13 mg/m³. Analysis of the effect of SST and chlorophyll-a on catch was done with multiple regression. The influence of SST and chlorophyll-a on catch was considered quite strong based on the correlation coefficient () of 0.743 and the coefficient of determination () of 0.551. The value can provide an explanation that SST and chlorophyll-a affect the catch by 55.1%. Through Wavelet Analysis, it is obtained that the distribution of chlorophyll-a is dominantly influenced by monsoon factors while the influence of IOD (Indian Ocean Dipole) and ENSO (El Niño-Southern Oscillation) is weak, so that mapping is organized based on four seasons. The that has the most potential locations is obtained in the west season with 13 points. Furthermore, it decreases in the first transition season with 10 points, the second transition season with 6 points, and the eastern season with 4 points.
绘制班腾湾水域可能捕捞金枪鱼的区域
金枪鱼(Euthynnus affinis)是班腾湾水域的一种商品,其生产价值很高。这种潜力可以通过了解潜在的渔场来最大限度地利用。本研究旨在分析海洋学参数(SPL)和氯化物捕获之间的关系,以及在2014-2019年对金枪鱼进行的分析。ZPPI的预测是通过基于卫星图像和雄天鹅捕获数据的海洋参数来实现的。万丹湾的年平均产量最高的金枪鱼2014-2019过渡季节获得我和SPL 29,92C——30,98C和专注klorofil-a 0.99 1,13 mg / m³。对捕获的SPL和氯化物的影响进行了反复回归。SPL和氯仿a对捕获的影响是相当大的,其相关性系数()为0.743和确定性系数()为0.551。这种值可以解释说,SPL和氯化物影响55.1%的渔获量。通过对Wavelet的分析,占主导作用的氯化物分布受到季风因素的影响,而IOD(印度海洋提炼)和ENSO(厄尔尼诺)的影响较弱,因此ZPPI地图是根据四个季节来组织的。在西方赛季的13个点中,ZPPI的位置潜力最大。其次,过渡时期减少10点,过渡时期减少6点,东部时间减少4点。金枪鱼(eukarnnus affinis)是班腾湾水域的一种商品,具有高产量价值。这种潜在的参与可以在潜在钓鱼区的知识中达到最大限度。这一研究报告对海洋降解人员之间的关系进行分析,以及金枪鱼鲭鱼的抓钩,以及2011 -2019年对金枪鱼的制造PFZ mating。PFZ是做进近》通过之prediction oceanographic parameters改编自imagery和卫星捕捉数据的目光。《2014-2019 Mackarel金枪鱼的最高平均制作期间在万丹湾是获得transitional和a我嘘之季29 . 92°C - 30°C和a chlorophyll-a 98。0。99 - 1的双臀13 mg / m³。嘘作用和对氯反应的分析已经进行了多次后悔。嘘之影响和chlorophyll-a on赶上认为是很强壮的相关coefficient()》改编自《0.743与coefficient of 0.551的决心()。价值可以提供一种解释,即害虫和对渔获物的影响为55.1%。无论是Wavelet distribution》分析,它是获得这就是chlorophyll-a是dominantly influenced by factors当IOD之影响(印度季风海洋Dipole)和ENSO (El Nino-Southern Oscillation)是软弱,所以那绘图是organized改编自四季。《头号潜在locations那已经是《西部和季获得13分。另外,在第一季的第一季,有10分的第二季,有6分的第二季,有4分的东方。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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