Part of the water column in open seas and oceans spanning from sunlit waters up to about 200 m deep — typically above the continental shelf — far from land and with no contact with the seabed. It is also called midwater zone.
Part of the water column in open seas and oceans spanning from sunlit waters up to about 200 m deep — typically above the continental shelf — far from land and with no contact with the seabed. It is also called midwater zone.