interesting. diatoms (some) occur in soil. I wonder if the cooper bill diatoms are definitely not soil diatoms?
Although most diatom species occur in aquatic habitats, specific diatom communities occur in soil where they grow with other microalgae and cyanobacteria. In the soil food web, algae serve as food for soil protozoa and micro- and meio-fauna such as nematodes or collembolans.
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LoginDiatoms are a widespread group and can be found in the oceans, in fresh water, in soils, and on damp surfaces.
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Login(1956)
A Survey of Soil Diatoms
By JOHN M. w. HAYEK AND ROBERT L. HULBARY
Although extensive work is being done in stream surveys and
in the taxonomic study of aquatic forms of diatoms, very few
papers have appeared relative to diatoms in soil. Petersen ( 1935)
made stud.ies of algae in soils of Denmark and East Greenland
in which he included a consideration of the diatoms present.
Thirty-seven species of diatoms were listed as being present in the
soils of Denmark and East Greenland.
The work of J. W. G. Lund ( 1945, 1946) seems to be the only
fairly complete study of soil diatoms He reported 13 genera and
52 species from his observations of 66 British soils.
This investigation was undertaken to determine qualitatively
the complement of diatom species in six different soils in the
vicinity of Iowa City, Iowa. Separating diatoms from the various
soils and deaning them presented