nektonn.

Brit.

/ˈnɛkt(ə)n/,

/ˈnɛktɒn/, U.S.

/ˈnɛkt(ə)n/,

/ˈnɛkˌtɑn/

Forms: 1800s– nekton, 1900s– necton (rare).

Origin: A borrowing from German. Etymon: German Nekton.

Etymology: < German Nekton (Haeckel 1890, in Jenaische Zeitschr. f. Naturwissensch. 25 251, 252) < Hellenistic Greek νηκτόν animal capable of swimming, use as noun of neuter of ancient Greek νηκτός swimming (see necto- comb. form). Compare plankton n.With the form necton compare French necton (1898 as nekton).

Biology.

Aquatic animals that are able to swim and move independently of water movements (in quot. 1923, an animal of this kind). Cf. benthos n., plankton n.

ΘΚΠ

the world > animals > by habitat > [noun] > aquatic animal > particular types of

nekton1893

rheophobe1965

1893 G. W. Field tr. E. Hæckel Planktonic Stud. in Rep. U.S. Comm. Fisheries 1889–91 580 We must distinguish the actively swimming nekton from the passively driven plankton.

1895 Nat. Sci. July 31 The Plankton, Nekton, and Benthos form three well-marked communities of organisms.

1923 Nature 17 Mar. 374/2 The author concludes that the kerogen has arisen from ‘nectons and kelps’ which have ‘been repeatedly buried by ash and detritus from submarine volcanoes’.

1969 Austral. Law Jrnl. 43 430 The traditional biological classification of fish and fish like creatures into drifters or plankton, swimmers or necton, and the bottom dwellers or benthos.

1974 J. Lucas & P. Critch Life in Oceans ii. 25 The nekton comprises all those animals, such as squid, cuttlefish, fishes, seals and whales, which are able to swim more or less powerfully and which are therefore independent of water movements for transport.

1991 Nature Canada Fall 16/1 The animals of the nekton (fish, marine mammals, etc.)..can swim and migrate throughout the oceans.

2000 Wetlands Ecol. & Managem. 8 327 By the fall of 1993..densities of most nekton species were similar among the three created salt marshes.

This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022).

单词	nekton
释义	nektonn. Brit. /ˈnɛkt(ə)n/, /ˈnɛktɒn/, U.S. /ˈnɛkt(ə)n/, /ˈnɛkˌtɑn/ Forms: 1800s– nekton, 1900s– necton (rare). Origin: A borrowing from German. Etymon: German Nekton. Etymology: < German Nekton (Haeckel 1890, in Jenaische Zeitschr. f. Naturwissensch. 25 251, 252) < Hellenistic Greek νηκτόν animal capable of swimming, use as noun of neuter of ancient Greek νηκτός swimming (see necto- comb. form). Compare plankton n.With the form necton compare French necton (1898 as nekton). Biology. Aquatic animals that are able to swim and move independently of water movements (in quot. 1923, an animal of this kind). Cf. benthos n., plankton n. ΘΚΠ the world > animals > by habitat > [noun] > aquatic animal > particular types of nekton1893 rheophobe1965 1893 G. W. Field tr. E. Hæckel Planktonic Stud. in Rep. U.S. Comm. Fisheries 1889–91 580 We must distinguish the actively swimming nekton from the passively driven plankton. 1895 Nat. Sci. July 31 The Plankton, Nekton, and Benthos form three well-marked communities of organisms. 1923 Nature 17 Mar. 374/2 The author concludes that the kerogen has arisen from ‘nectons and kelps’ which have ‘been repeatedly buried by ash and detritus from submarine volcanoes’. 1969 Austral. Law Jrnl. 43 430 The traditional biological classification of fish and fish like creatures into drifters or plankton, swimmers or necton, and the bottom dwellers or benthos. 1974 J. Lucas & P. Critch Life in Oceans ii. 25 The nekton comprises all those animals, such as squid, cuttlefish, fishes, seals and whales, which are able to swim more or less powerfully and which are therefore independent of water movements for transport. 1991 Nature Canada Fall 16/1 The animals of the nekton (fish, marine mammals, etc.)..can swim and migrate throughout the oceans. 2000 Wetlands Ecol. & Managem. 8 327 By the fall of 1993..densities of most nekton species were similar among the three created salt marshes. This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022). < n.1893
随便看	countertack countertail countertally countertaste countertechnicality countertell countertendencies countertendency countertenor countertenors counterterm counterterrace counterterror counterterrorism counterterrorisms counterterrorist counterterrorists counterterrors countertheories countertheory counterthink counterthinker counterthought counterthreat counterthreats