On the way towards using hydroacoustic multifrequency techniques to assess Northeast Atlantic mackerel (Scomber scombrus) ...

No abstracts are to be cited without prior reference to the author. Hydroacoustic and plankton data were determined in the area western of Ireland (Porcupine Bank) and the Celtic Sea, in spring 2013 during the German contribution to the triennial ICES Mackerel and horse mackerel egg survey (MEGS). S...

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Bibliographic Details
Main Authors: Kirchner, Tim, Schaber, Matthias, Kloppmann, Matthias, Ulleweit, Jens, Fässler, Sascha, van der Kooij, Jeroen, Temming, Axel
Format: Conference Object
Language:unknown
Published: ASC 2014 - Theme session L 2023
Subjects:
Technologies and data
Ecosystem observation, processes and dynamics
Porcupine Bank
Northeast Atlantic
Online Access:https://dx.doi.org/10.17895/ices.pub.24752685.v1
https://ices-library.figshare.com/articles/conference_contribution/On_the_way_towards_using_hydroacoustic_multifrequency_techniques_to_assess_Northeast_Atlantic_mackerel_Scomber_scombrus_/24752685/1
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Summary:No abstracts are to be cited without prior reference to the author. Hydroacoustic and plankton data were determined in the area western of Ireland (Porcupine Bank) and the Celtic Sea, in spring 2013 during the German contribution to the triennial ICES Mackerel and horse mackerel egg survey (MEGS). Spawning stock biomasses (SSB) for Northeast Atlantic mackerel (Scomber scombrus) were estimated from multifrequency echosounder data and plankton hauls of sampled mackerel eggs. Estimated biomasses of both methods show clear similar spatial distribution patterns and size ranges. Additionally tests for differences between the spatial distributions of the estimated biomasses from both methods were performed. ...

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