Bathyal definition

băthē-əl
Of or relating to the region of the ocean bottom between the sublittoral and abyssal zones, from depths of 200 to 4,000 meters (660 to 13,000 feet).
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Designating or of the ecological zone (bathyal zone) along the continental slope of the ocean floor between c. 660 and 13,000 ft (c. 200 and 3,960 m)
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Relating to the region of the ocean bottom between the sublittoral and abyssal zones, from depths of approximately 200 to 2,000 m (656 to 6,560 ft).
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Relating to the ocean bottom, between the sublittoral and abyssal zones, at a depth of between 200 and 2000 metres.
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