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单词 meroplanktonic
释义

meroplanktonicadj.

Brit. /ˌmɛrə(ʊ)plaŋ(k)ˈtɒnɪk/, U.S. /ˌmɛroʊˌplæŋkˈtɑnɪk/
Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: mero- comb. form1, planktonic adj.
Etymology: < mero- comb. form1 + planktonic adj., after German meroplanktonisch (Haeckel 1891, in Jenaische Zeitschr. f. Naturwiss. 25 256). Compare later meroplankton n.
Biology.
Designating or relating to an aquatic organism that spends only part of its life cycle (esp. the immature stages) as plankton. Cf. holoplanktonic adj. at holo- comb. form .
ΘΚΠ
the world > life > biology > organism > plankton > [adjective] > types of
holoplanktonic1893
meroplanktonic1893
pseudoplanktonic1898
microplanktonic1930
picoplanktonic1982
1893 G. W. Field tr. E. Hæckel Planktonic Stud. in Rep. U.S. Comm. Fisheries 1889–91 583 The meroplanktonic organisms..are found swimming in the sea only for a part of their lives, passing the other part vagrant or sessile in the benthos.
1903 Amer. Naturalist 37 516 The meroplanktonic stage..was apparently suppressed even in the earliest species of Fulgur.
1963 J. E. G. Raymont Plankton & Productivity in Oceans xiv. 371 Even with coastal or neritic plankton it is not the meroplanktonic species which cause the main seasonal fluctuations.
1987 Nature 9 Apr. 597/1 A comprehensive set of data..clearly demonstrates a strong correlation between oxygen depletion near the bottom and the disappearance of meroplanktonic hydromedusan species from the fauna of the northern Adriatic Sea.
This entry has been updated (OED Third Edition, September 2001; most recently modified version published online March 2022).
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adj.1893
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