Periphyton

Periphyton is a complex matrix of algae, cyanobacteria, heterotrophic microbes, and detritus that is attached to submerged surfaces in most aquatic ecosystems. It serves as an important food source for invertebrates, tadpoles, and some fish. It can also absorb contaminants; removing them from the watercolumn and limiting their movement through the environment. The periphyton is also an important indicator of water quality; responses of this community to pollutants can be measured at a variety of scales representing physiological to community-level changes.
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Microscopic underwater plants and animals that are firmly attached to solid surfaces such as rocks, logs, and pilings.

periphyton
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B: (Biologi) perifiton
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