bathypelagic zone

American  

[bath-uh-puh-laj-ik zohn] / ˌbæθ ə pəˈlædʒ ɪk ˈzoʊn /

noun

1. Oceanography. Also called midnight zone. the layer of the ocean just beneath the mesopelagic zone, lying at a depth of 3,300–13,000 ft (1,000–4,000 m) and unable to sustain plant life or phytoplankton due to the absence of sunlight.

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bathypelagic zone Scientific  

/ băth′ə-pə-lăj′ĭk /

1. A layer of the oceanic zone lying below the mesopelagic zone and above the abyssopelagic zone, at depths generally between about 1,000 and 4,000 m (3,280–13,120 ft). The bathypelagic zone receives no sunlight and water pressure is considerable. The abundance and diversity of marine life decreases with depth through this and the lower zones.

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Example Sentences

This ancestor lived on the continental slope before transitioning to the open waters of the bathypelagic zone in a transition that set the stage for rapid evolutionary change.

From Science Daily • Dec. 2, 2024

This finding is the most surprising of the study, for the bathypelagic zone did not constrain evolution as expected despite its apparent lack of ecological diversity.

From Science Daily • Dec. 2, 2024

"The bathypelagic zone, the deepest part of the ocean, exhibits the lowest proportion of global associations, with regional associations increasing with depth," adds in this regard Dra Ina M. Deutschmann, expert in biomathematics.

From Science Daily • Jan. 13, 2024

The mesopelagic zone extends from 200 m to 1,000 m; the bathypelagic zone from 1,000 m to 4,000 m; and abyssalpelagic zone is deeper than 4,000 m.

From Textbooks • Jan. 1, 2015