JENIS-JENIS IKAN LAYANG (Decapterus spp) BERDASARKAN HASIL TANGKAPAN NELAYAN BAGAN DI TELUK DORERI, KABUPATEN MANOKWARI, PROVINSI PAPUA BARAT

Suruan, Sampari; Lahumeten, Frankly; Bawole, Roni; Sala, Ridwan

doi:10.20473/jafh.v8i2.13379

Cited by 5 publications

(3 citation statements)

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“…Ikan layang merupakan ikan mayoritas yang tertangkap oleh purse seine di Laut Natuna Utara. Terdapat berbagai macam jenis ikan layang yang ada di berbagai macam wilayah Indonesia seperti jenis ikan layang yang ada di Papua yaitu Decapterus macarellus, Decapterus akaadsi dan Decapterus macrosoma (Suruan et al, 2019). Pada perairan Laut Jawa ikan layang didominasi oleh jenis Decapterus russelli (Rupell, 1928) dan Decapterus macrosoma (Bleeker, 1851) (Prihartini, 2006).…”

Section: Pendahuluanunclassified

POTENSI LESTARI IKAN LAYANG (Decapterus spp) YANG DIDARATKAN DI PEMANGKAT, KALIMANTAN BARAT

Setya,

Susiloningtyas,

Nurulludin

2023

BAWAL Widya Riset Perikanan Tangkap

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Ikan layang merupakan jenis ikan yang paling banyak tertangkap di Laut Natuna Utara dan didaratkan di PPN Pemangkat. Perkembangan produksi ikan layang yang di daratkan di Pemangkat mengalami penurunan yang cukup signifikan pada tahun 2009 sampai tahun 2017 (Data Produksi PPN Pemangkat). Usaha penangkapan ikan layang di Laut Natuna Utara menunjukkan kearah over fishing dengan produksi semakin menurun tetapi upaya penangkapan meningkat. Tujuan penelitian ini untuk menyusun opsi pengelolaan terbaik pada perikanan purse seine di Pemangkat dengan menggunakan Model Fox pada Surplus produksi dan data 10 tahun dari PPN Pemangkat. Hasil perhitungan surplus produksi Model Fox menunjukkan besaran Maximum Suistainable Yield (MSY) pada Laut Natuna Utara yaitu 2.412.016 kg dengan jumlah tangkapan yang diperbolehkan sebesar 1.929.612 kg/tahun dan upaya optimumnya sebesar 18.170 upaya.Ukuran rata-rata mata jaring di PPN Pemangkat yaitu 1cm dan belum sesuai dengan peraturan yang ditetapkan. Pengawasan pemerintah terhadap penggunaan dimensi alat tangkap yang dilarang oleh PERMEN-KP No.18/ 2021 perlu terus ditingkatkan. Pengelolaan terbaik lainnya dengan pengaturan upaya penangkapan dan alat tangkap seperti tahun 2010 yaitu 32 kapal dengan trip 388 kali per tahun.

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Section: Pendahuluanunclassified

POTENSI LESTARI IKAN LAYANG (Decapterus spp) YANG DIDARATKAN DI PEMANGKAT, KALIMANTAN BARAT

Setya,

Susiloningtyas,

Nurulludin

2023

BAWAL Widya Riset Perikanan Tangkap

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“…The lack of scientific data on mackerel scad fish resources in Doreri Bay is a challenge in determining and formulating appropriate management directions. In fact, mackerel scad fish is one of the main target of the fishery [17,18,20]. Therefore, comprehensive and up-to-date data on the condition of the mackerel scad fish in Doreri Bay is required.…”

Section: Original Research Articlementioning

confidence: 99%

Size Distribution and Growth Pattern of Mackerel Scad (Decapterus Sp.) Caught by Boat Lift Nets in Doreri Bay Waters, Manokwari Regency, West Papua, Indonesia and Its Management Implications

Patty,

Bawole,

Sala

et al. 2023

AJARR

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Aims: The present study aims to explore some of biological characteristics of mackerel scad, such as size structures and length and weight relationship in which that information is important for the management of the fish resources. Place and Duration of Study: The data collection was conducted from April to June 2019 in the waters of Doreri Bay, Manokwari Regency. Methodology: The data were collected from 6 boat lift nets during their fishing operation, 7 days every month for 3 months of research. The data collected was the catch of mackerel scad fish and the size of total length and weight the individual fish samples. The data were then descriptively analyzed to explore the fish size structures. Simple regression analyses was used to estimate the length weight relationship (LWR) of fish. Results: The production of mackerel scad caught in the waters of Doreri Bay from April to June was around 68.5 tonnes which was dominated by the species Decapterus macerellus. The individual size structure of each species varies. D. macerellus has a size range of 17.8 cm to 25.7 cm, Decapterus macrosoma measures 10.5 cm to 12.7 cm, Decapterus akaadsi measures 7.9 cm to 19.0 cm, Decapterus kuroides measures 9.4 cm to 14.9 cm, and Decapterus scrombinus measures 10.3 cm to 18.0 cm. On average, the size of the individuals caught is smaller than the size at first smaturity (Lm). The growth pattern of mackerel scad fish varies between species. Fore example species D. macrosoma tend to follow a positive allometric growth pattern, while D akaadsi and D. macerellus tend to follow a negative allometric growth pattern. Conclusion: Mackerel scad caught on average were dominated by individuals with a size less than the size of the first maturity (Lm); Growth pattern of Mackerel scad varied among different species and among different months; and Mackerel scad fish caught using boat lift nets in Doreri Bay, Manokwari Regency need to be managed properly by considering the minimum legal sizes and the aspect of carrying capacity.

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“…1. The landing composition of purse seiners based on Pengambengan Fishing Port Shortfin scad is widely distributed in Indonesia as it can be found from the eastern part [8] to the western part [9] of Indonesia. Purse seine is a fishing gear that commonly caught scads in Indonesian waters, such as the Malaka Strait [10], Jawa Sea [11,12], and the western waters of Sumatra [13].…”

Section: Introductionmentioning

confidence: 99%

Length-based population parameters of shortfin scad (Decapterus macrosoma) in Bali Strait waters, Indonesia

Tampubolon,

2023

E3S Web Conf.

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Shortfin scad (Decapterus macrosoma) is one of the most abundant catches of purse seiners in Bali strait. This study aimed to reveal the length-length relationship, the length-weight relationship, and to estimate the length at first maturity (Lm50) and the length at first capture (Lc50) for D. macrosoma in the waters of Bali Strait. The samples were collected from Pengambengan Fishing Port from June to December 2018. A total of 3,341 shortfin scads were fork length measured and weighed during the research. There were 420 fish from the total sample fish measured more for the total and standard length and dissected. The sex and maturation stage determination were identified by gonad visual characteristics. The relationship between lengths was determined using linear regression, whereas the length-weight relationship was determined using power regression. The length at first maturity and capture were determined using the logistic curve. The lengths (total, fork, and standard) were highly related to each other. The lengths were also highly related to the weight. The growth pattern of the shortfin scad was hyperallometric. The Lm50 for D. macrosoma was 164 mmTL for males and 162 mmTL for females. They were shorter than the Lc50, which was 184 mmTL.

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JENIS-JENIS IKAN LAYANG (Decapterus spp) BERDASARKAN HASIL TANGKAPAN NELAYAN BAGAN DI TELUK DORERI, KABUPATEN MANOKWARI, PROVINSI PAPUA BARAT

Cited by 5 publications

References 0 publications

POTENSI LESTARI IKAN LAYANG (Decapterus spp) YANG DIDARATKAN DI PEMANGKAT, KALIMANTAN BARAT

POTENSI LESTARI IKAN LAYANG (Decapterus spp) YANG DIDARATKAN DI PEMANGKAT, KALIMANTAN BARAT

Size Distribution and Growth Pattern of Mackerel Scad (Decapterus Sp.) Caught by Boat Lift Nets in Doreri Bay Waters, Manokwari Regency, West Papua, Indonesia and Its Management Implications

Length-based population parameters of shortfin scad (Decapterus macrosoma) in Bali Strait waters, Indonesia

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