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Diatoms
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Asterionella
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Tabellaria
Distinguishing Features: Glass casing (silica), visible photosynthetic pigments that give them a green, brown, or yellow coloration
Morphological Shape: Symmetrical, which can result in beautiful colonies
Size: 2-500 microns
Source of Energy: Photosynthesis; absorb nutrients from the water column
Reproduction: Sexual and clonal
Most Common During: Fall and Spring
Taxonomic Groups Observed in Seneca Lake:
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Asterionella
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Tabellaria
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Diatoma
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Fragilaria
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Synedra
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Cymbella
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Cocconeis
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Melosira
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Rhoicosphenia
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