Differential Interference Contrast Image Gallery

Diatom Frustule

Diatoms are unicellular phytoplankton that may be found in all of the Earth's aquatic environments. However, most species occur solely in areas that meet specific physical, chemical, and biological requirements. This habitat specificity is frequently utilized by ecologists to ascertain the state and quality of a body of water. Furthermore, the extensive fossil record of diatoms provides scientists with a unique historic record of changes in marine ecosystems.

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