释义 |
neuston|ˈnjuːstɒn| [a. G. neuston (E. Naumann 1917, in Biol. Zentralbl. XXXVII. 99), f. Gr. νευστόν neuter of νευστός swimming, f. νεῖν to swim, after plankton.] A collective term for minute organisms inhabiting the surface layer of fresh water. Also attrib.
1928K. E. Carpenter Life in Inland Waters ii. 35 Neuston.—This term, applied..especially to minute forms, such as bacteria and Protista, which float against the surface-film, may be extended to include all types especially associated with the film. 1939Nature 28 Jan. 139/1 It [sc. the book under review] divides the plankton into plankton proper and the so-called ‘neuston’—a term new to us—which means the organisms the peculiar province of which is the surface-film. 1957G. E. Hutchinson Treat. Limnol. I. vi. 418 The organisms may be associated with the surface film and the resultant coloration should then be termed neuston color rather than section color. 1968New Scientist 26 Sept. 669/2 Neuston are the organisms which live in the surface layer of [sic] film of water. 1974A. Mayr-Harting tr. Rheinheimer's Aquatic Microbiology iii. 31 In the neuston—that is, the living community which develops during calm weather on the surface of lakes at the water-air interface—a characteristic microflora develops. 1974Nature 4 Jan. 30/2 Thirty-seven surface tows were made with a neuston net to collect particulate pollutants quantitatively. |