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Cylindrotheca closterium is a species of diatoms in the family Bacillariaceae. They are associated with freshwater habitat. They are native to Pernambuco, Espirito Santo, Maranhao, Sergipe, Rio Grande Do Sul, Alagoas, SãO Paulo, ParaíBa, Paraná, and Rio De Janeiro. Dead Cylindrotheca closterium form siliceous oozes.

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  • URI: http://purl.obolibrary.org/obo/ENVO_02000044
  • Definition: Siliceous ooze is a marine sediment composed of the debris of plankton with silica shells, such as diatoms and radiolaria. This ooze is limited to areas with high biological productivity, such as the polar oceans, and upwelling zones near the equator. The least common type of sediment, it covers only 15% of the ocean floor. It accumulates at a slower rate than calcareous ooze: 0.2-1 cm / 1000 yr.
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EOL has data for 32 attributes, including:

Known occurrences, collected specimens and observations of Cylindrotheca closterium. View this species on GBIF