benthos

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benthos

(bĕn′thŏs′)
n.
The collection of organisms living on or in the bottom of a body of water.

ben′thic (-thĭk), ben·thon′ic (bĕn-thŏn′ĭk) adj.

benthos

the organisms that live on the bed of the sea or a lake, ranging from the high-water mark to the deepest trenches. Benthic organisms are subdivided into littoral (to 40 m deep), sublittoral (41–200 m), bathyal (200–4000 m), abyssal (4001–6000 m) and hadal (>6000 m). See SEA ZONATION.

benthos

bottom of the sea or other body of water; said of cyanobacteria which grow on submerged rocks in alpine lakes and cause sudden death in cattle at pasture during summer months.
References in periodicals archive ?
Benthic microalgae were collected from approximately 1,000 g of surface 1-cm-depth sediments from four intertidal sites on mud and sandy flats on July 24, 2008, and July 26, 2008 (Fig.
Microfauna characteristics: The foraminiferal fauna is characterised by abundant calcareous benthic species, dominated by Gavelinella, Ammobaculites, Praebulimna, Tritaxia and abundant Nodosariids.
Benthic vertebrate samples were randomly collected from each sampling station with cast net of 0.
There was a high degree of similarity between Slimy Sculpin diet and the composition of the benthic community with peak feeding occurring during the mid-morning.
Benthic microalgae from tributaries and the main channel of the river (Table 2) consisted of thirty (30) genera belonging to five groups namely; Chlorophyceae (6), Euglenophyceae (2), Xanthophyceae (1), Bacillariophyceae (19) and Cyanophyceae (2).
It was recorded that the fauna present in the formation was mainly the larger benthic foraminifera and their preservation was very good.
In these surveys we evaluated the cover of benthic cyanobacteria using belt transects covering an area between 30 and 60 [m.
We anticipate that LARS4 will enable Benthic to deliver services to our clients more efficiently and more reliably.
The mean abundances of key benthic macrofaunal taxa at study localities in the iSimangaliso Wetland Park before the invasion by T.
Debmarine said in a statement issued to the Economist, "The Benthic Monitoring programme is an on-going research survey that uses a grab sampler to collect seabed sediment samples which are analysed to assess the state of the seabed communities.
The benthic foraminifera are single-celled marine protists that have historically been important indicators in ecological and geological marine research.