Karakteristik Biologi Dan Laju Eksploitasi Ikan  Pelagis Kecil Di Perairan Utara Jawa

Khatami, Aulia Maghfirotul; Yonvitner, Yonvitner; Setyobudiandi, Isdradjad

doi:10.29244/jitkt.v11i3.19159

Cited by 8 publications

(8 citation statements)

References 6 publications

(7 reference statements)

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“…Analyzed the average catch size (Lc) by determining the intersection point between the 50% cumulative frequency curve and the fish length [18]. The value of growth rate (K), asymptotic length, and theoretical age on fish length is equal to zero using a literature study from [19]. Analysis of total mortality (Z), natural mortality (M), and fishing mortality (F) using equation [20], with the correlation coefficient of length and weight (b) in the waters of the Sunda Strait b = 2.7871 [21], Ci = 0.302 for fish pelagic and tmax were analyzed by equation [22].…”

Section: Discussionmentioning

confidence: 99%

Yellowstripe scad fishery (Selaroides leptolepis) in FMA 712: a short review

Widiyastuti,

Pane,

Mardlijah

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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Small pelagic fish caught with mini purse seines (MPS) in the Java Sea has been exploited for a long time and causes resource sustainability. Policies in preserving natural resources require scientific studies that can provide management options. This research was conducted from March to July 2017 at PPN Pekalongan by recording catches and measuring fork length (FL). The composition of the MPS catch showed that 64% were small pelagic and dominated by Goldstripe sardinella (Sardinella gibbosa) 56.3%, Bigeye scad (Selar crumenophthalmus) 19.3%, and the scads (Decapterus spp) 12.3%, other species with small numbers including Yellowstripe scad (Selaroides leptolepis) by 2.5%. This Yellowstripe scad has a length of between 4.5-18.5 cm FL (average of 10.86 cm FL). The estimated natural mortality (M) is less than the fishing mortality (F). The level of exploitation (E=0.70) indicates that it is overfishing. The management operations that need to be taken to preserve the yellowstripe scad are by regulating the fishing area, determining the size of the allowed MPS nets, and limiting MPS attempts in the Java Sea.

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Section: Discussionmentioning

confidence: 99%

Yellowstripe scad fishery (Selaroides leptolepis) in FMA 712: a short review

Widiyastuti,

Pane,

Mardlijah

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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“…Ikan pelagis besar memerlukan waktu kurang lebih 2-3 tahun untuk pemulihan stok. Khatami et al, (2019), perubahan stok ikan dapat dipengaruhi oleh kemampuan ikan dalam bereproduksi. Penurunan kekampuan reproduksi dapat menyebabkan menurun stok ikan pelagis besar.…”

Section: Ikan Pelagis Besar Potensiunclassified

Utilization and Management of Pelagic Fisheries in West Sumbawa Regency, West Nusa Tenggara Province

Erwansyah

Cokrowati²,

Raihanun³

et al. 2023

JBT

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Kabupaten Sumbawa Barat (KSB), Nusa Tenggara Barat Province has potential fishery resources. Based on Permen KP No.18 of 2014 concerning the Republic of Indonesia State Fisheries Management Area (WPPNRI), KSB marine is included in WPPNRI 573. The purpose of this study was to determine the sustainable potential of pelagic fisheries and their level of utilization. This research was conducted in KSB from January to November 2022. The research method used was a field survey method and a descriptive method. The results of the study showed that the relationship between effort and CPUE for large pelagic fish obtained a linear equation y = 12.067x + 277.6 with R2 = 0.1785. This equation explains the positive relationship between production and effort, meaning that fishing gear affects the production of large pelagic fish. the optimum effort value is 1674.90 trips per year and the maximum sustainable catch is 232,459.1 kg per year. Effort relationship with CPUE of small pelagic fish obtained a linear equation y = -18.575x + 11512 with R2 = 0.2817. This equation explains the negative relationship between effort and catch. This shows that fishing gear is not the main factor affecting the amount of production. the optimum effort value is 106917.700 trips per year and the maximum sustainable catch is 992998.139 kg per year. The utilization rate value is 2.049%, with an effort level value of 0.001%. This study concludes that the potential and level of utilization of pelagic fisheries in West Sumbawa Regency are still below the sustainable potential.

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“…Laju eksploitasi dapat menunjukkan suatu gambaran dari status pemanfaatan sumber daya ikan dalam suatu perairan (Khatami et al 2019). Laju mortalitas penangkapan dan laju eksploitasi pada penelitian ini lebih tinggi jika dibandingkan dengan hasil kajian yang dilakukan oleh Saputra dan Taufani (2021) di Pulau Jawa yaitu sebesar 1,17 dan nilai laju eksploitasi sebesar 0,67.…”

Section: Metode Penelitianunclassified

DINAMIKA POPULASI IKAN KEMBUNG LELAKI (Rastrelliger kanagurta) DI TELUK KUPANG, PROVINSI NUSA TENGGARA TIMUR, INDONESIA

Kurnia,

Yahyah,

Toruan

2023

JPK UNTIRTA

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Indian mackerel (Rastrelliger kanagurta) in the waters of Kupang Bay is part of the wealth of biological resources that the population needs to be maintained in order to be sustainable. High exploitation rate of Indian mackerel fish is due to the large market demand and high levels of consumption, causing many fishermen to carry out continuous fishing. This research aims to determine the growth patterns and dynamics of fish populations which can be used to determine the utilization conditions of R. kanagurta through estimating growth parameters. in the waters of Kupang Bay. The research was conducted in September 2022. Total sample of fish was 150. The data collected includes length and total weight. Data analysis used Microsoft Excel software which was used to analyze the relationship between length and weight and FISAT II was used to analyze fish growth parameters. The results of the analysis of the long-weight relationship between male and female mackerel showed that the growth pattern was negatif allometric with estimated of growth parameters L∞ = 28.40 cm, K = 0.51 years, and t0 = -0.32 years. The total mortality rate (Z) was 4,68, the natural mortality rate (M) was 1,17, the mortality rate from fishing (F) was 3,5, and the exploitation rate (E) was 0,75 per year.

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Karakteristik Biologi Dan Laju Eksploitasi Ikan Pelagis Kecil Di Perairan Utara Jawa

Cited by 8 publications

References 6 publications

Yellowstripe scad fishery (Selaroides leptolepis) in FMA 712: a short review

Yellowstripe scad fishery (Selaroides leptolepis) in FMA 712: a short review

Utilization and Management of Pelagic Fisheries in West Sumbawa Regency, West Nusa Tenggara Province

DINAMIKA POPULASI IKAN KEMBUNG LELAKI (Rastrelliger kanagurta) DI TELUK KUPANG, PROVINSI NUSA TENGGARA TIMUR, INDONESIA

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