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Populasi Hiu Martil Di Pelabuhan Pendaratan Ikan (PPI) Meulaboh Kabupaten Aceh Barat Alaudin Alaudin; Burhanis Burhanis
Zona Laut : Jurnal Inovasi Sains Dan Teknologi Kelautan Volume 3, Nomor 3, Edisi November 2022
Publisher : Departemen Teknik Kelautan Universitas Hasanuddin

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Abstract

The territorial waters of West Aceh, Aceh Province is an area with a long topography and wide sea. The water area is included in the Republic of Indonesia State Fisheries Management Area (WPPNRI) 572. The hammerhead shark Sphyrna lewini is not significantly different from the hammerhead shark Sphyrna mokarran, both of which are characterized by their heads widening laterally and being less than a third of their body shape. Sphyrna lewini has a body size ranging from 50 cm to 420 cm, which generally lives in the tropics and is easily found in island waters with a continental shelf reaching a depth of 275 m. Its important role can be seen from an ecological perspective in the development of conservation and sustainable marine and fishery resources. This should be managed responsibly for the sake of creating a prosperous and independent society. West Aceh district is a coastal area that is rich in fishery products. This is inseparable from its location directly facing the Indian Ocean which is rich in fish. However, the sustainability of the hammerhead shark is not yet known in detail. Therefore, a study on the sustainability of hammerhead sharks at PPI Meulaboh needs to be carried out. The method used in this study was a field experiment (experimental fishing) from fishermen’s catches. Furthermore, the data obtained were tabulated and analyzed. Overall, the size of the hammerhead shark caught by fishermen was in the interval of 62.5-93.5 cm. By sex, there were 19 male sharks and 20 female sharks. The maximum length (L∞) was 96 cm. Furthermore, the value of K was 0.290 per year. The Von Bertanlffy growth equation model was Lt = 91.6(1-e-0.29(t+0.03)). The value of total mortality (Z) was 0.84 and natural mortality (M) was 0.94 with a temperature of 29 0C, where the incidence of natural deaths was greater than fishing deaths. Fishing mortality (F) was 0.10, with an exploitation ratio (E) was of 0.12.
Upaya Mitigasi Bencana Abrasi di Pantai Peunaga Melalui Penanaman Mangrove Kecamatan Meureubo Kabupaten Aceh Barat Sri Wahyuni; Eka Lisdayanti; Dafit Gunawan; Asri Mursawal; Hayatun Nufus; Rahmawati Rahmawati; Rudi Hermi; Alaudin Alaudin; Roni Arif Munandar; Muhammad Rizal
Marine Kreatif Vol 7, No 1 (2023): Marine Kreatif
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/mk.v7i1.7959

Abstract

Mangrove merupakan tanaman yang dapat dimanfaatkan sebagai pencegah abrasi dan pemecah gelombang. Aksi penanaman mangrove dilakukan oleh mahasiswa dan dosen sebagai bentuk pengabdian terhadap masyarakat dengan tujuan sebagai bentuk upaya mitigasi abrasi. Pengabdian ini dilakukan pada Bulan November 2022 di Desa Peunaga, Aceh Barat. Penanaman mangrove ini menggunakan 100 bibit, dengan menggunakan jarak masing-masing bibit berjarak 4 x 2 m. Secara umum kegiatan ini dimulai dengan 1) pemaparan singkat mengenai kegiatan yang akan dilakukan, 2) memilih bibit yang layak untuk digunakan, 3) membentang jarak untuk bibit mangrove ditanam, 4) Pelepasan polybag bibit, 5) pembuatan lubang, 6) Penanaman bibit. Harapan kedepan, penanaman mangrove ini bisa menjadi cikal bakal mitigasi abrasi yang terjadi di Desa Peunaga.