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Sea Surface Temperature and Chlorophyll-A Condition of Skipjack Tuna (Katsuwonus pelamis) Catching Area in Ternate Island Marine Waters
Umar Tangke(a), Frentje Dusyan Silooy(b), Rochmady(c), Zubair Saing(a*)

(a) Universitas Muhammadiyah Maluku Utara, Ternate, Indonesia
(b) University of Pattimura, Ambon, Indonesia
(c) Wuna Agricultural Science University, Raha, Southeast Sulawesi, Indonesia
E-mail: zubairsaing[at]ummu.ac.id


Abstract

Skipjack tuna is one pelagic fish that always migrates for a condition with relevant oceanographic factors for their survival, particularly for optimum sea surface temperature and chlorophyll-a. This study conducted with the experimental fishing method from June - November 2018 in the waters of Ternate Island in observation of the optimal condition of oceanographic factors, mainly SST and Chlorophyll-a in the distribution of skipjack tuna. Employing a polynomial regression analysis, the research results show that the sea surface temperature and chlorophyll-a parameters are strictly related to the distribution of the amount of skipjack tuna caught with correlation coefficient value (r) respectively of 0.646 for sea surface temperature and 0.565 for chlorophyll-a. The optimum temperature for the skipjack tuna in the waters of Ternate Island according to the research results ranges from 27.0oC - 30.9oC, while the optimum condition of chlorophyll-a is higher than 0.2 mg/m3-0.35mg/m3, and it seems that every increment of chlorophyll-a content in water indicates an increase of the amount of skipjack tuna catch.

Keywords: Sea Surface Temperature; Chlorophyll-A Condition ; Skipjack Tuna

Topic: Environmental Engineering

Link: https://ifory.id/abstract/pfhGnWBNxEkJ

Conference: 1st Borobudur International Symposium (BIS 2019)

Plain Format | Corresponding Author (Faujia Umasugi)

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