Nonintrusive methods for biomass estimation in aquaculture with emphasis on fish: a review.
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Fish biomass estimation is one of the most common and important practices in aquaculture. The regular acquisition of fish biomass information has been identified as an urgent need for managers to optimize daily feeding, control stocking densities and ultimately determine the optimal time for harvesting. However, it is difficult to estimate fish biomass without human intervention because fishes are sensitive and move freely in an environment where visibility, lighting and stability are uncontrollable. Until now, fish biomass estimation has been mostly based on manual sampling, which is usually invasive, time-consuming and laborious. Therefore, it is imperative and highly desirable to develop a noninvasive, rapid and cost-effective means. Machine vision, acoustics, environmental DNA and resistivity counter provide the possibility of developing nonintrusive, faster and cheaper methods for in situ estimation of fish biomass. This article summarizes the development of these noni.....
JournalReviews in Aquaculture
Sustainable Development Goals (SDG)14.a
Essential Ocean Variables (EOV)Fish abundance and distribution
CitationLi, D., Hao, Y. and Duan, Y. (2020) Nonintrusive methods for biomass estimation in aquaculture with emphasis on fish: a review. Reviews in Aquaculture, 12, pp.1390-1411. DOI: https://doi.org/10.1111/raq.12388
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