NEKTON - определение. Что такое NEKTON
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Что (кто) такое NEKTON - определение

AGGREGATE OF ACTIVELY SWIMMING AQUATIC ORGANISMS IN A BODY OF WATER
Nektonic; Nektic; Nektonic carnivore
  • Nekton (organisms that swim against water currents) can be contrasted with [[plankton]] (organisms that drift with water currents), [[neuston]] (organisms that live at the ocean surface) and [[benthos]] (organisms that live at the ocean floor)}}

nekton         
['n?kt(?)n, -t?n]
¦ noun Zoology aquatic animals that are able to swim and move independently of water currents, as distinct from plankton.
Derivatives
nektonic adjective
Origin
C19: via Ger. from Gk nekton, neut. of nektos 'swimming', from nekhein 'to swim'.
Nekton         
Nekton or necton (from the ) refers to the actively swimming aquatic organisms in a body of water. The term was proposed by German biologist Ernst Haeckel to differentiate between the active swimmers in a body of water, and the passive organisms that were carried along by the current, the plankton.

Википедия

Nekton

Nekton or necton (from the Greek: νηκτόν, translit. nekton, lit. "to swim") refers to the actively swimming aquatic organisms in a body of water. The term was proposed by German biologist Ernst Haeckel to differentiate between the active swimmers in a body of water, and the passive organisms that were carried along by the current, the plankton. As a guideline, nektonic organisms have a high Reynolds number (greater than 1000) and planktonic organisms a low one (less than 10). However, some organisms can begin life as plankton and transition to nekton later on in life, sometimes making distinction difficult when attempting to classify certain plankton-to-nekton species as one or the other. For this reason, some biologists choose not to use this term.