| 单词 |
phytoplankton |
| 释义 |
phytoplankton Biol.|ˈfaɪtəʊplæŋktən|
[f. phyto- + plankton.]
The microscopic plants forming part of the plankton. Also attrib. So phytoplankˈtonic a.
1897P. T. Cleve (title) A treatise on the phytoplankton of the Atlantic. 1900Geogr. Jrnl. XV. 336 In the spring months there is a great development of bacteria and other Phytoplankton, which render the water less transparent than at other times of the year. 1909E. Warming Oecol. Plants xxxvii. 155 Phytoplankton..always consists of minute plants. Ibid., Phytoplankton-organisms are all minute. 1928Daily Express 28 May 10/7 Miss S. M. Marshall..is described technically as the ‘phytoplankton worker’. 1944Jrnl. Marine Biol. Assoc. XXVI. 285 Phytoplanktonic diatoms may utilize ammonium nitrogen in preference to nitrate nitrogen. 1956Nature 3 Mar. 438/1 Smaller phytoplankton elements which will pass through the finest nets are of great importance in the productivity of the oceans. 1957G. E. Hutchinson Treat. Limnol. I. xi. 714 These forms of iron may be assimilable by diatoms and perhaps by other phytoplanktonic organisms. 1964Oceanogr. & Marine Biol. II. 137 Possibly fallout from a phytoplankton bloom would sometimes cause the immediate surface organisms to multiply. Ibid. 149 The amino acid compositions of phytoplankton and pure cultures of phytoplanktonic species have been determined. 1973Nature 3 Aug. 307/1 The crustaceans in turn feed at least partially on the phytoplankton. 1977P. B. & J. S. Medawar Life Sci. i. 17 The most important—because they are the most abundant—organisms involved in the capture of carbon dioxide and the liberation of oxygen are forest trees and minute plants carried in the surface layers of the sea—‘phytoplankton’. |
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