Calibration of fish biomass estimates from gillnets: Step towards broader application of gillnet data

Ecological Indicators（2023）

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摘要

•The aim of this study was to calibrate gillnet catches using Fish Biomass per Area obtained by active methods.•We found a strong positive linear relationship between fish biomasses sampled with gillnets and with active methods.•The effective sampling area of 1 m2 of gillnet was determined to be 8 m2 of surface area for Europeanstandard gillnets.

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关键词

Reservoirs, Beach seine, Hydroacoustics, Population variables, Biomass estimate, Bayesian statistics, Sampling effort, Errors -in -variables

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