Light comfort zones of mesopelagic acoustic scattering layers in two contrasting optical environments
KAUST DepartmentRed Sea Research Center (RSRC)
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AbstractWe make a comparison of the mesopelagic sound scattering layers (SLs) in two contrasting optical environments; the clear Red Sea and in murkier coastal waters of Norway (Masfjorden). The depth distributions of the SL in Masfjorden are shallower and narrower than those of the Red Sea. This difference in depth distribution is consistent with the hypothesis that the organisms of the SL distribute according to similar light comfort zones (LCZ) in the two environments. Our study suggest that surface and underwater light measurements ranging more than10 orders of magnitude is required to assess the controlling effects of light on SL structure and dynamics.
CitationLight comfort zones of mesopelagic acoustic scattering layers in two contrasting optical environments 2016 Deep Sea Research Part I: Oceanographic Research Papers
SponsorsWe would like to thank the Institute of Marine Research (IMR) for providing facilities for the acoustic observations at Solheim in Masfjorden. Furthermore, we thank three anonymous reviewers for valuable suggestions that improved our study. This study was funded by King Abdullah University of Science and Technology, University of Oslo, and University of Bergen.