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 ?
The proportion of clay and pebbles in the seabed sediment and depth were the most frequently incorporated explanatory variables in the BEST analysis to explain the structure of benthos (Table 3).
Long-term changes in the benthos on a heavily fished ground off the NE coast of England.
The number of benthos measure up to 2320 specimens per [m.
The relative characteristics of the benthos in the two study areas is assumed to be indicative of the environmental conditions present.
3) Unanswered questions concerning organic energy or contaminant flux, between benthos and fisheries and protected species, must be addressed.
Jacobs' scope of works includes delivering a baseline marine ecology survey program covering fisheries, benthos, marine birds, plankton and water quality; environmental impact assessments; option appraisals; and Habitat Regulations Assessments (HRA) for the new power station and its associated infrastructure.
Examination of the zooplankton community on the southern New England shelf for Arctica larvae led to general descriptions of bivalve larval composition, behavior, seasonal dynamics, recruitment to the benthos and appropriate sampling strategies.
For our excursion on the Islamorada Hump we used locally purchased Bass Pro Freestyle and Williamson Benthos jigs weighing from 3.
Like its 1984 and 1971 predecessors, this edition follows the intent of the International Biological Programme to provide guidance on methodology for researchers working in the field of marine benthos studies.
Sponsors included Raytheon, Ropes & Gray, Shell, Teledyne Benthos, and Schlumberger.
The Ontario Benthos Biomonitoring Network (OBBN) is a collaborative initiative that monitors bottom-dwelling aquatic invertebrates to assess ecological condition.