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Zhongchi Liu and C. Guedes Soares
The volume of a gravity cage is greatly reduced under a current due to the flexible structure, which affects the growth and health of the fish. Thus, an accurate assessment of cage volume is essential to determine the number of fishes in the cage. In thi...
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Liu Zhu, Yuan Cheng, Jinfang Wang, Hongyu Zhu and Zhijing Xu
The nonlinear dynamic response of an aquaculture cage array caused by wave-frequency and low-frequency excitations coupled with the nonlinearity of the mooring and the netting system is a complicated problem. So far, this problem still has not been compl...
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Xinyue Yang, Xianglai Zeng, Carlo Gualtieri, Alan Cuthbertson, Ruo-Qian Wang and Dongdong Shao
With the rapid development of commercial aquaculture in recent decades, large numbers of submerged cages or pens are clustered in fish farms that are commonly located within inland lakes, reservoirs, and coastal embayments around the world. The submerged...
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Zhongchi Liu, Shan Wang and C. Guedes Soares
The mooring force in a fish cage array subjected to currents and waves is investigated using the finite element method. Firstly, the numerical model of a fish cage array with six gravity cages is built by Ansys/APDL. Collars and bottom rings are simulate...
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Md Shamsuddin, Mohammad Belal Hossain, Moshiur Rahman, Mst Salamun Kawla, Md. Farhan Tazim, Mohammed Fahad Albeshr and Takaomi Arai
Earlier research has mostly focused on the impacts of stocking density on fish growth, yield, and survival rate; however, knowledge of the effects of stocking larger-sized fish, particularly Nile Tilapia, is lacking. This type of research is critically i...
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Mingyuan Ma, Hong Zhang, Dong-Sheng Jeng and Chien Ming Wang
In the present study, a semi-analytical model based on the small-amplitude wave theory is developed to describe the wave fields around a single gravity-type cylindrical open fish net cage. The cage may be submerged to different depths below the free-wate...
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Hansoo Kim and Dong-Guk Paeng
Acoustic waves are attenuated by fish schools as they propagate through the ocean. The attenuation by fish schools is not currently considered in fishery acoustics and sonar applications, especially at mid-frequency bands. In this study, fish school atte...
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Magnus Bjerkeng, Trine Kirkhus, Walter Caharija, Jens T. Thielemann, Herman B. Amundsen, Sveinung Johan Ohrem and Esten Ingar Grøtli
Aquaculture net cage inspection and maintenance is a central issue in fish farming. Inspection using autonomous underwater vehicles is a promising solution. This paper proposes laser-camera triangulation for pose estimation to enable autonomous net follo...
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Claudia Alvarado, Diego M. Cortez-Valladolid, Enrique J. Herrera-López, Ximena Godínez and José Martín Ramírez
Aquaculture offers great potential for fish production in Lake Chapala, but reports of heavy metal contamination in fish have identified a main concern for this activity. In the present study, cultures of the species Cyprinus carpio and Ictalurus punctat...
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