单词 | abyssopelagic |
释义 | abyssopelagicadj. Ecology. Designating a region of the open water of seas and oceans which is at great depth but away from the sea floor; (of an organism) living in such a region. Cf. pelagic adj. 1a. ΘΚΠ the world > the earth > water > sea or ocean > region of sea or ocean > [adjective] > deep parts abyssopelagic1844 benthal1881 Bassalian1885 bathyal1926 psychrospheric1973 1844 R. B. Hinds Zool. Voy. H.M.S. Sulphur II. 2 The numerous species of Nucula are found from the Polar seas of both hemispheres to the Equator, but are always abysso-pelagic. 1898 A. W. Grabau Geol. & Palaeontol. Eighteen Mile Creek iii. 330 The abysso-pelagic district is frequently invaded by organisms from the pelagic district, which descend into the dark regions during the day. 1947 Rep. Treat. Marine Ecol. & Paleoecol. (National Res. Council (U.S.)) No. 11 2 Abyssopelagic: This is the environment below 2000-4000 meters and above the bottom of the deep sea. 1991 R. S. K. Barnes & K. H. Mann Fund. Aquatic Ecol. (ed. 2) iv. 88 (table) Abyssopelagic plankton (up to 50 m above bottom). 2001 M. J. Kennish Pract. Handbk. Marine Sci. (ed. 3) v. 461 Some of the fishes encountered in the abyssopelagic zone are deep-water eels (Cynema), deep-sea anglers (Borophryne and Melanocetus), [etc.]. This is a new entry (OED Third Edition, December 2011; most recently modified version published online December 2021). < adj.1844 |
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