Author(s): Beema Jihan; Ashna Abbas; R. Firdhouz Mohamed; Jithu Ravi; Hannah Ann George; Hage Sumpi; P. Praveena; S. Zeinab; Priya K. L; Indu M. S; V. Baiju
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Keywords: Cage farming; Microplastics; Degradation; Salinity; Sunlight
Abstract: Cage farming, a method for cultivating fish in a confined habitat, relies on nets -- typically made from nylon, polyester, or HDPE -- to contain and protect the organisms, allow water flow, and prevent escape or predation. Environmental factors like salinity, pH, turbulence, and sunlight lead to the degradation of these nets, and cause release of microplastics; thereby posing risks to fish and human health. Present study examines the degradation rates of nylon, polyester, and HDPE nets under different environmental conditions. Laboratory tests simulate exposure to salinity, sunlight, and UV light to study photo-degradation effects. Gravimetric analysis revealed weight reduction in the materials, with nylon showing the highest degradation rate.
Year: 2024