| 释义 |
mesopelagic, a. Biol.|mɛsəʊpɪˈlædʒɪk, miːzəʊ-|
[f. meso- + pelagic a.]
Of, pertaining to, or designating the intermediate depths of the sea, spec. those between 200 and a thousand metres down.
1951Allee & Schmidt Hesse's Ecol. Animal Geogr. (ed. 2) xiv. 312 The eyes of many mesopelagic animals are especially large. 1957Mem. Geol. Soc. Amer. LXVII. I. 643 Among the typical animals of the mesopelagic zone..are such well-known fishes as Idiacanthus, Chauliodus, Stomias, and the lantern fishes. 1964Oceanogr. & Marine Biol. II. 367 The photophores of most mesopelagic animals shine downwards (if the creature swims with its ventral surface downwards), and the colour of the light they emit is approximately that of..transmitted sun- and sky-light. 1970[see dysphotic adj. s.v. dys-]. 1975Nature 5 June 452/2 The mesopelagic migrants, spending the daytime at depths down to perhaps 1,000 m and rising to within 200 m or so of the surface at night, show an increased respiratory rate not only with increased temperature but also with increased pressure. |