https://www.usgs.gov/media/images/periphyton-a-tributary-agashashok-river
Periphyton in a tributary of the Agashashok River
in au speriphytontributaryriver
https://www.usgs.gov/publications/periphyton-biomass-and-community-compositions-indicators-water-quality-lower-grand
Biological communities, including periphyton, are continuously affected by chemical, physical, and other biological factors, and the health of these...
water qualityperiphytonbiomasscommunitycompositions