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KONDISI STOK IKAN KARANG DI KAWASAN KONSERVASI PERAIRAN TWP GITA NADA, PROVINSI NUSA TENGGARA BARAT: Stock Condition of Coral Fish in Marine Protected Area at TWP Gita Nada, West Nusa Tenggara Province Anas, Azwar; Gigentika, Soraya; Marliana, Isnaini; Aini, Muslihuddin; Hilyana, Sitti; Nurliah
Marine Fisheries : Journal of Marine Fisheries Technology and Management Vol. 14 No. 2 (2023): Marine Fisheries: Jurnal Teknologi dan Manajemen Perikanan Laut
Publisher : Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jmf.v14i2.47024

Abstract

TWP Gita Nada is one of the water conservation areas in NTB Province whose reef fish resources are used by fishers around the area, especially in zones that are permitted for fishing activities. However, there are indications that the use of the area by fishers causes a decrease in the abundance and biomass of reef fish in TWP Gita Nada. Therefore, it is necessary to research the condition of reef fish stocks in TWP Gita Nada to know for certain about the availability of reef fish resources in the area. This study collected data at 11 fish landing sites around TWP Gita Nada from March 2017 to December 2021. Data were collected using a sampling technique on 35% of the total fish landing activity in TWP Gita Nada. Data consisted of fishing units, fishing operations, fishing areas, catches, fish species, and fish length. Data analysis in this study used a length-based stock assessment approach to identify the condition of reef fish stocks and their utilization status. The results indicated that 271 species of reef fish landed in the TWP Gita Nada waters conservation area were identified from 31 family groups dominated by fish of the species Lutjanus gibbus, Lethrinus ornatus, Acanthurus mata, Naso thynnoides, and Lethrinus rubrioperculatus. Among those four dominant reef fish species, Lutjanus gibbus is in fully exploited utilization status with an SPR value of 0.26 or 26%. Meanwhile, the other three types of reef fish are under-exploited with SPR values above 0.3 or 30%. Keywords: fishing, Lc, length-based approach, Lm, SPR.
STATUS PEMANFAATAN IKAN KAKAP (Lutjanus spp.) BERBASIS DATA PANJANG IKAN DI PERAIRAN TAMAN NASIONAL TAKA BONERATE: Length Based Stock Assessment of Snappers (Lutjanus spp.) in Taka Bonerate National Park Waters Sari, Alifah Fitam Rakhma; Pranajaya, Asep; Anam, Khoirul; Marliana, Isnaini; Tarigan, Sukmaraharja Aulia; Kartawijaya, Tasrif; Agustina, Siska; Kembaren, Duranta Diandria; Natsir, Mohammad; Prasetia, Rian
Marine Fisheries : Journal of Marine Fisheries Technology and Management Vol. 15 No. 1 (2024): Marine Fisheries: Journal of Marine Fisheries Technology and Management
Publisher : Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jmf.v15i1.48374

Abstract

Snappers (Lutjanus spp.) are the most common reef fish caught in Taka Bonerate National Park due to its high economic value and primarily targeted species. Without proper management measures, intensive fishing activities might result in unsustainable fish stocks. Therefore, in order to maintain sustainable utilization, it is important to understand the stock status of snapper fisheries. This study aimed to analyze the snappers' stock status in Taka Bonerate National Park's waters. Data were collected from January to December 2022 at three small-scale fisheries landing sites. The results showed that snappers are classified as slow-growing species with growth rates for species L. bohar, L. quinquelineatus, L. gibbus respectively 0,12, 0,39, and 0,35 per year to reach their respective asymptotic lengths of 83,41 cm, 29,5 cm, and 46,80 cm. The stock status of L. gibbus and L. bohar were indicated at overfished status where the exploitation rate (E) was > 0.5 and the SPR was < 0.3, hence a proper management measures is required. Furthermore, the species of L. quinquelineatus has a value of E is 0.5 and SPR is at 0.3, indicating that the utilization level of this species was at an optimal level. Keywords: Snapper, Taka Bonerate, Fisheries Management.
Keanekaragaman Ikan Karang dan Demersal di Kawasan Konservasi Perairan Tatoareng, Provinsi Sulawesi Utara Paraeng, Pricilia; Sangari, Joudy R.R; Budiman, Johnny; Mandagi, Stephanus V.; Wuaten, Julius; Kumaseh, Eunike; Munib, Aflaha A.; Marliana, Isnaini
Jurnal Ilmu Kelautan Lesser Sunda Vol. 5 No. 2 (2025): Jurnal Ilmu Kelautan - Lesser Sunda
Publisher : Program Studi Ilmu Kelautan, Jurusan Perikanan dan Ilmu Kelautan, Fakultas Pertanian, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jikls.v5i2.135

Abstract

The establishment of Marine Protected Area (MPA) aims to protect important ecosystems and habitats for fish resources. However, fisheries have not been a major focus in the management of the Tatoareng MPA. In addition, information about the economically important fishes catches landed in coastal villages within the MPA over the past few years is still unknown by various parties. Therefore, this study was conducted to identify species diversity, catch trends, and average size of reef and demersal fishes landed within the Tatoareng MPA. Data were collected at two fish landing sites during the period May 2019 to March 2024, using the method of direct recording of fish landed by fishers. From this study, 187 species of reef and demersal fish from 23 families were identified, with the dominance of species from the Ephinephelidae, Lutjanidae, and Lethrinidae families. The results of this study are expected to be a recommendation in developing the governance of the Tatoareng MPA, by making spesific of reef and demersal fish the target and indicator of the success of the management of the MPA.