what are the oceanic zone layers
Close window. The oceanic zone is often subdivided into five layers of differing depth. The three uppermost layers include the epipelagic zone (depth 0-200 m), the mesopelagic zone (200-1000 m), and the bathypelagic zone (often 1000-2000 m).lose window. The oceanic zone is often subdivided into five layers of differing depth. The three uppermost layers include the epipelagic zone (depth 0-200 m), the mesopelagic zone (200-1000 m), and the bathypelagic zone (often 1000-2000 m).