euphotic zone, photic zone

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euphotic zone, photic zone

or

epipelagic zone

the top 100 m of the sea into which light can penetrate and in which PHOTOSYNTHESIS takes place. See SEA ZONATION.
References in periodicals archive ?
Almost 90% of marine life lives in the top 200m of the sea, called the Epipelagic Zone
At the surface, there is the Epipelagic Zone -- that's in line with the Continental Shelf and the warmest part of the ocean.
All myctophids spend their larval stages in the productive epipelagic zone (Sassa et al., 2004), moving to the mesopelagic zone after reaching the juvenile stage (Clarke, 1973).
sierra is an opportunistic ichthyophagous predator in the coastal epipelagic zone, which has an impact on species that form dense schools (Anchoa and Eucinostomus species).