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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Vertical migration of benthic cyanobacteria and algae
 Mensa, Jakub ; Neustupa, Jiří (advisor) ; Němcová, Yvonne (referee)
Vertical migration has been observed in different taxonomic groups of benthic microalgae and cyanobacteria in both marine and freshwater habitats. It seems to be an advantageous survival strategy of motile photoautotrophic organisms. In general, algae inhabiting tidal environments migrate up to the sediment surface during daytime emersion and then migrate below the surface prior to high tide or dusk. Freshwater microalgae stay on the surface during daytime and migrate below the surface before dusk. The migratory rhythm can be controlled or influenced by light, waves, subsurface nutrient supplies and reducing conditions in the sediment. Sometimes, the rhythm persists even in constant conditions and it seems to be controlled by biological clock system.
Detailed record
Vertical migration of benthic cyanobacteria and algae
 Mensa, Jakub ; Neustupa, Jiří (advisor) ; Němcová, Yvonne (referee)
Vertical migration has been observed in different taxonomic groups of benthic microalgae and cyanobacteria in both marine and freshwater habitats. It seems to be an advantageous survival strategy of motile photoautotrophic organisms. In general, algae inhabiting tidal environments migrate up to the sediment surface during daytime emersion and then migrate below the surface prior to high tide or dusk. Freshwater microalgae stay on the surface during daytime and migrate below the surface before dusk. The migratory rhythm can be controlled or influenced by light, waves, subsurface nutrient supplies and reducing conditions in the sediment. Sometimes, the rhythm persists even in constant conditions and it seems to be controlled by biological clock system.
Detailed record

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