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AQUATIC ECOLOGY 8

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AQUATIC ECOLOGY 8

Prof. Dr. Nilsun DEMİR

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 Photosynthesis in aquatic systems is

carried out by a wide variety of autotrophs

 Their range in size from microscopic

single-celled organisms to large aquatic plants called aquatic macrophytes

(3)

 Autotrophs are primary producers,

because they produce the first level of

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 Because photosynthesis depends on

sunlight, the distribution of autotrophs is limited in part on the amount of light

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(7)

 In shallow, stony rivers, periphyton (or

biofilm) – especially diatoms and

cyanobacteria – are the main source of primary production.

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 In lakes and seas, phytoplankton are the

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