nekton


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nekton

(nĕk′tən, -tŏn′)
n.
The collection of marine and freshwater organisms that can swim freely and are generally independent of currents, ranging in size from microscopic organisms to whales.

nek·ton′ic (-tŏn′ĭk) adj.

nekton

the population of free-swimming animals that inhabits the PELAGIC zone of oceans. Compare PLANKTON.
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References in periodicals archive ?
Oliver Steeds, Nektons Mission Director, said: We are excited to be heading to the last, great frontier on Earth.
An analysis of nekton and plankton around a shoalgrass bed in the Laguna Madre of Texas.
Processes regulating habitat use by salt marsh nekton in a southern New Jersey estuary.
They used the commercial software package NEKTON to solve the transient problem.
Plants and animals arrive as plankton (drifters), nekton (free-swimming), fouling organisms (attached inside and on the hulls, propellers, and intake systems of vessels), and benthos (bottom dwellers).
White whales (also called beluga, or belukha, whales) catch nekton with monodont teeth (Stewart and Stewart, 1989).
The bases of the pelagic system: plankton, nekton and pleuston
Kannel WB, Nekton JD, Wentworth D, Thomas HE, Stamler J, Hulley SB, Kjelsberg MO, for the MRFIT Research Group.
On average, collections were made every 3-4 d for phytoplankton and zoo-plankton, 7 d for benthos, and 10-14 d for nekton (fish and swimming benthic invertebrates).
Plankton is one of the three main divisions of aquatic life, the others being nekton (the animals that swim actively and may move long distances for feeding or breeding) and the benthos (organisms that crawl about on the bottom).