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    Report of acoustic processing routines & quality checking methods. Version 1.1. [D3.1]

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    Date
    2018
    Author
    Fielding, S.
    Status
    Published
    Pages
    9pp.
    
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    Abstract
    The mesopelagic (200-1000 m depth), is one of the most understudied regions in the world oceans (St John et al. 2016). Micronekton (~1 to 20 cm in length, Kloser et al. 2009) are an ecologically important component of the mesopelagic community, having potentially large biomasses (Irigoien et al. 2014), high nutritional value (Lea et al. 2002), transferring carbon from the surface to depth (Anderson et al. 2018), and of commercial interest (Gjøsæter and Kawaguchi 1980; St John et al. 2016). Notoriously hard to sample, due to poor sampling efficiency of nets, observations within the mesopelagic zone are frequently made using active acoustics (Simmonds and MacLennan 2005). Whereby, echosounders produce a pulse of sound and receive echoes backscattered from organisms, objects and discontinuities in the water. Measurement of the time delay of the received acoustic signal and quantification of the intensity of the returned sound reveals information about the source of the scatterin.....
    Resource URL
    http://www.mesopp.eu/wp-content/uploads/2019/01/D3.1-MESOPP_18-0003-Report-of-acoustic-processing-routines-and-quality-checking-methods.pdf
    Publisher
    Collection Location Satellites (CLS)
    France
    Series;Nr
    MESOPP-18-0003;
    Document Language
    en
    Essential Ocean Variables (EOV)
    Fish abundance and distribution
    Zooplankton biomass and diversity
    Best Practice Type
    Best Practice
    Standard Operating Procedure
    Citation
    Fielding, S. (2018) Report of acoustic processing routines & quality checking methods. France, Collection Location Satellites (CLS) 9pp. (MESOPP-18-0003 [D.1]). DOI: http://dx.doi.org/10.25607/OBP-442
    URI
    http://hdl.handle.net/11329/896
    http://dx.doi.org/10.25607/OBP-442
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    • European Union Funded Practices [97]

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