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Les couches diffusantes du golfe de Gascogne : caractérisation acoustique, composition spécifique et distribution spatiale ArchiMer
Remond, Barbara.
Fisheries acoustic data are continuously collected during ecosystemic surveys to detect sh schools of commercial species and to quantify the sh abundance. These multifrequency data also contain information about smaller target aggregations producing ubiquitous Sound Scat- tering Layers (SSLs) on the echograms, with quite diverse shape, frequency responses and taxonomic compositions. In this work, we focus on the SSLs observed in spring in the Bay of Biscay during the PELGAS surveys. The objectives are: i) to classify SSLs, ii) to describe their spatial meso-scale distribution, iii) to investigate their relationships with oher exosystme components, and iv) to investigate the taxonomic composition of resonant SSLs at ne scale. A Multiple Correspondence...
Tipo: Text Palavras-chave: Acoustique; Multifréquences; Couches diffusantes; Micronecton; Golfe de Gascogne; PELGAS; Acoustic; Multifrequency; Sound scattering layers; Micronekton; Bay of Biscay; PELGAS.
Ano: 2015 URL:
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