Periphyton

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periphyton

[pə′rif·ə‚tän]
(ecology)
Sessile biotal components of a fresh-water ecosystem.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Periphyton

 

freshwater organisms that live attached to the underwater parts of riverboats, beacons, piers, and other man-made structures. The term was proposed by the Soviet hydrobiologist A. L. Bening in 1924. It was subsequently used to designate the overgrowth of marine hydroengineering structures with organisms. At present, the term is almost never used and has been replaced by the term “fouling.”

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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An in-depth and innovative study allowed them to understand the importance of those omnipresent periphytic biofilms on denitrification.
The decreased percentage values of fresh-brackish periphytic diatoms (mostly Fragilaria heidenii) in LDAZ CL-2 likely indicates lower transparency of the water column because of increased phytoplankton abundance (Karosiene & Paskauskas 2012).
Sugar compound products of the periphytic diatom Navicula ramosissima induce larval settlement in the barnacle, Amphibalanus amphilrite.
Baetis is associated with macrophytes because they support periphytic algae, which is food for the nymphs.
GROWNS, I., 1999.--Is genus or species identification of periphytic diatoms required to determine the impacts of river regulation?
The primary producers collected included leaves from overhanging riparian terrestrial trees (Fagus sp.), periphytic algae, and the dominant aquatic macrophytes (primarily watermilfoil Myriophyllum spicatum) that were present in both habitats.
A final treatment contained no snails, tadpoles, or water bugs to test for direct effects of grazers and indirect effects (trophic cascades) of water bugs on periphytic algae.