- Cyclotella
is common in the plankton of freshwater
lakes and rivers throughout the world, and is sometimes found
in saline lakes and shallow coastal marine environments. The
genus is known to inhabit the deep part of oligotrophic lakes
known as the chlorophyll maximum. It is very important environmentally,
but needs further research to sort out its confusing taxonomy.
Species are known
- to thrive in environments ranging from oligotrophic
to highly eutrophic. The valve morphology is
- highly variable and appears to respond to
subtle micro-environmental changes.
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