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Robert Perangin-angin
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Ekosistem Terumbu Karang Pulau Arborek Raja Ampat, Papua Barat Dian Sutono HS; Robert Perangin-angin; Mustasim Mustasim
Jurnal Airaha Vol 9 No 01: June 2020
Publisher : Politeknik Kelautan dan Perikanan Sorong, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (319.024 KB) | DOI: 10.15578/ja.v9i01.163

Abstract

Raja Ampat Regency is known to have tropical marine biodiversity which is estimated to be the richest in the world at the moment. Potential coral reef resources owned by Raja Ampat Regency, are part of the "Coral Triangle" (Coral Triangle) with the coral reef ecosystems in shallow exposure on almost all of the islands. Arborek Island is one of the Marine Protected Areas (MPA) destinations of tourists who enter the Meos Mansar Raja Ampat District, West Papua." Primary data collection was carried out by the line transect method (Line Intercept Transect) along the 50-meters transect at a depth of 8-10 meters, with data analysis covering the percentage of coral cover, the diversity index (H’), evenness index (E), and dominance index (C) ). Based on the results of data analysis, the condition of coral reefs in Arborek Island waters has coral cover values between 11.33% - 64.67%, diversity index between 1.20 - 2.87, evenness index between 0.13 - 0.41, and dominance index between 0.16 - 0.60.
Pengaruh Suhu dan Kedalaman Terhadap Hasil Tangkapan Yellowfin Tuna di Perairan Samudera Indonesia Selatan Pulau Jawa Dian Sutono HS; Suharyanto Suharyanto; Robert Perangin-angin; Agung Ferdinand Wera; Mustasim Mustasim
Jurnal Airaha Vol 9 No 02: December 2020
Publisher : Politeknik Kelautan dan Perikanan Sorong, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (337.829 KB) | DOI: 10.15578/ja.v9i02.192

Abstract

Penelitian ini dilaksanakan di PPS. Cilacap dengan daerah penangkapan Samudera Indonesia pada bulan Maret sampai dengan Mei 2020 yang bertujuan untuk menmgetahui pengaruh suhu air laut dan kedlaman pancing terhadap hasil tangkapan yellowfin tuna. Pengumpulan data primer dilakukan dengan pengamatan langsung mengikuti operasi penangkapan long line selama 1 (satu) trip dengan KM. Trans Bahari 3, meliputi data waktu setting dan hauling, panjang main line, jumlah pancing, hasil tangkapan, daerah penangkapan (fishing ground), serta data suhu dan kedalaman perairan. Sedangkan pengumpulan data sekunder dilakukan melalui wawancara dan data Pelabuhan Perikanan Samudera Cilacap. Analisa data dilakukan dengan menghitung nilai hook rate, kedalaman mata pancing, serta pengaruh suhu dan kedalaman pancing terhadap hasil tangkapan yellowfin tuna melalui metode uji t. Dari hasil Analisa data diperoleh nilai total hook rate sebesar 1,33, kedalaman mata pancing berada antara 90,2 m – 181,4 m, dengan kisaran suhu vertikal antara 12,5⁰ C – 25,0⁰ C. Pengaruh suhu dan kedalaman terhadap hasil tangkapan yellow tuna berpengaruh nyata (significant) antara kedalaman A dengan C, sedangkan antara kedalaman A dengan B, dan kedalaman B dengan C masing-masing tidak memberikan perbedaan yang nyata (non significant).
Co-Authors Agung Ferdinand Wera Dian Sutono Mustasim, Mustasim Suharyanto, Suharyanto