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All Journal AGRIKAN Jurnal Ilmiah Agribisnis dan Perikanan JOURNAL OF INDONESIAN TROPICAL FISHERIES (JOINT-FISH) : Jurnal Akuakultur, Teknologi Dan Manajemen Perikanan Tangkap, Ilmu Kelautan Akuatikisle: Jurnal Akuakultur, Pesisir dan Pulau-Pulau Kecil WoCDJ Agrikan: Jurnal Agribisnis Perikanan
Muhammad Kasnir
Fakultas Perikanan dan Ilmu Kelautan UMI, Jl. Urip Sumoharjo Kampus II Km.06 , Makassar 90231 Telp (0411) 446940, Email: muh_kasnir@yahoo.co.id
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Environmental Science Health Professions Immunology & microbiology Law, Crime, Criminology & Criminal Justice Public Health Social Sciences

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Journal : Akuatikisle: Jurnal Akuakultur, Pesisir dan Pulau-Pulau Kecil

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A study of water depth on the growth and productivity of seaweed Kappaphycus alvarezii Kasnir, Muhammad; Syarifuddin, Syarifuddin; Nisaa, Khairun
Akuatikisle: Jurnal Akuakultur, Pesisir dan Pulau-Pulau Kecil Vol 7, No 2 (2023)
Publisher : Sangia Research Media and Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29239/j.akuatikisle.7.2.139-143

Abstract

This study aims to investigate the impact of varying the depth of water on the growth and productivity of seaweed Kappaphycus alvarezii. The study was carried out in the seas of Pallette. The research methodology used in this study incorporates three different planting depth treatments, specifically 1.5 meters, 3 meters, and 4 meters. In each treatment, 50 grams of Kappaphycus alvarezii seeds per bunch were used. The findings of this study indicate that seaweed cultivation at a depth of 1.5 m yields significantly favourable outcomes compared to the treatments conducted at depths of 3 m and 4 m, where growth is comparatively less optimal. This occurrence can be attributed to the diminished level of light penetration at such a depth. There is an inverse relationship between the depth of seaweed planting and the rate of weight gain. The optimal depth for seaweed cultivation for 42 days is 1.5 meters, with an average specific growth rate of 3% daily. On the contrary, the treatment carried out at a depth of 1.5 m showed the most substantial increase in biomass, averaging 122 g. Additionally, the maximum yield of seaweed was observed in the same treatment, precisely measuring 1,208 g/m2.
Co-Authors . Hamsiah Abdul Rajab Abdul Rauf Aminuddin Aminuddin Angriani, Widya Asbar Asbar, Asbar Bashiru, Lismawaty Danial Danial Djafar, Syahrul Fattah, Muhammad Hattah Haerani, Nurul Ulfa Hehanussa, Patmawaty Iyen, Hartina Jusran, Jusran Kaharuddin Nisaa, Khairun Nurazizah Nurazizah, Nurazizah Syarifuddin Syarifuddin Syarifuddin Zakaria, Junaidin