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Muzahar
Universitas Maritim Raja Ali Haji, Tanjungpinang, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Social Sciences Other

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SELEKSI INDUK MATANG GONAD PADA SIPUT GONGGONG Laevistrombus turturella Muzahar; Jr., Muhammad Zairin; Yulianda, Fredinan; Suprayudi, Muhammad Agus; Alimuddin; Effendi, Irzal
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 12 No. 1 (2020): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (324.294 KB) | DOI: 10.29244/jitkt.v12i1.28144

Abstract

Siput gonggong Laevistrombus turturella merupakan siput laut yang banyak dikonsumsi masyarakat di Provinsi Kepulauan Riau sehingga populasinya diperkirakan menurun. Upaya pelestarian siput ini perlu dilakukan salah satunya dengan budidaya. Kegiatan budidaya memerlukan ketersediaan induk matang gonad. Tujuan penelitian ini adalah menganalisis ukuran induk siput gonggong matang gonad berdasarkan panjang cangkang dan warna gonad, serta mengevaluasi pengaruh paparan suhu berbeda terhadap kecepatan penentuan jenis kelamin induk. Panjang cangkang siput gonggong diukur dengan jangka sorong, kemudian dipecahkan untuk mengamati warna gonadnya. Data dianalisis dengan student t-test. Perlakuan paparan suhu air 15°C (P1), 20°C (P2), dan 30°C (P3). Tujuh ekor induk siput gonggong dimasukkan ke dalam akuarium sesuai perlakuan, durasi waktu keluar tubuh lunak siput gonggong dari cangkang dicatat. Data dianalisis dengan uji Kruskal Wallis. Hasil penelitian menunjukkan ukuran rata-rata panjang cangkang induk siput gonggong matang gonad dari laut Madong-Tanjungpinang adalah 63,449±5,352 mm (jantan) dan 66,953±5,876 mm (betina). Penentuan jenis kelamin siput gonggong dapat dipercepat dengan pemberian kejutan suhu dengan suhu air 20°C.
Comparative growth performance of Kappaphycus striatus and the green variety of Kappaphycus alvarezii under longline cultivation Muzahar, Muzahar; Raza’I, T. Said; Viruly, Lily; Wulandari, Rika; Miranti, Shavika; Putri, Dwi Septiani; Yulianto, Tri; Bakkara, Okto Rimandi; Irawan, Henky; Sinaga, Daniel; Nasmi, Jannesa; Andia, Bherly; Saputra, Rio; Bahri, Samsul; Lovina, Ronaldy; Darmawan, David; Syafiq, R. Muhammad
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica, Vol. 12: No. 3 (December, 2025)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v12i3.21565

Abstract

This study compares the growth of two seaweed species, Kappaphycus striatus and Kappaphycus alvarezii (green variety), using the longline method in the waters of Pelakak Village, Lingga Regency. This research aims to identify differences in daily growth rates and environmental factors affecting the productivity of both seaweed species. The study was conducted over 45 days using a randomized block design with two treatments and four replications. Measured parameters included absolute weight growth, specific growth rate, and water quality. The results showed that K. alvarezii (green variety) exhibited a higher daily growth rate (0.55% weight/day) compared to K. striatus (0.31% weight/day). Environmental factors such as temperature (28–30°C), salinity (30–31 ppt), and pH (7.1–7.4) were within the optimal range, but the current velocity (0.4–0.5 m/s), which exceeded the standard, potentially inhibited growth an increased the risk of talus damage. The t-student test indicated no significant difference in growth between the two seaweed species (p>0.05). These findings suggest that K. alvarezii (green variety) is more adaptive to local environmental conditions than K. striatus, although current velocity and pest presence remain challenges in seaweed cultivation. This study contributes to optimizing seaweed farming strategies in coastal areas. Keywords: Growth; Kappaphycus striatus; Kappaphycus alvarezii Green Variety; Longline
Co-Authors Adi Wiranto Agus Alim Hakim Alimuddin Alimuddin Alimuddin Alimuddin Alimuddin Aminatul Zahra Andia, Bherly Anggi, Anggi Ani Suryanti Ansharullah Ida, Ansharullah Aripin Bakkara, Okto Rimandi Bismar Arianto Daniel Sinaga, Daniel Darmawan, David Erniyanti Erniyanti Faisal, La Ode M Falmi Yandri Febrianti Lestari Fredinan Yulianda Henky Irawan Irawan, Henky Irzal Effendi Jr., Muhammad Zairin Jumsurizal Jumsurizal Kartika Dewi Cahyani Simangunsong Kartika Kevin kevin Khodijah Ismail Lily Viruly Lovina, Ronaldy MUHAMMAD AGUS SUPRAYUDI Muhammad Zairin Jr. Muhammad Zairin Jr. Nasmi, Jannesa Oksep Adhayanto Putri, Dwi Septiani Putri, Rika Fatmala Razai, Tengku Said Raza’i, T. Said Rika Fatmala Putri Rika Wulandari Rika Wulandari Ryan Sukamto Samsul Bahri Saputra, Rio Sari, Dwi Ulta Shavika Miranti Syaefullah Syafiq, R. Muhammad Tri Yulianto Vitasari Wira, Winata Wiwin Kusuma Atmaja Putra Zulfikar, Andi