Estimating fish abundance from acoustic surveys: calculating variance due to acoustic backscatter and length distribution error

作者: Juan Zwolinski , Paul G. Fernandes , Vítor Marques , Yorgos Stratoudakis

DOI: 10.1139/F09-138

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摘要: Estimation of fish abundance from acoustic surveys requires the estimation total backscatter target species in sampled region. Although arithmetic mean backsc...

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