Control is a complex matter, since most cyanobacteria have an annual development cycle in which planktonic growth and a benthic resting stage alternate. This is the true of the toxin cyanobacterium Microcystis, which is the one most frequently encountered in freshwater ecosystems. After proliferate in the water column, where this potentially toxic cyanobacterium is able to completely dominate the phytoplankton, It is found in abundance on the sediment surface. Throughout the winter phase, part of its population overwinters vegetative in the sediment, retaining its cellular and colonial ultrastructure, some cellular activity and also its microcystin content.
Control is a complex matter, since most cyanobacteria have an annual development cycle in which planktonic growth and a benthic resting stage alternate. This is the true of the toxin cyanobacterium Microcystis, which is the one most frequently encountered in freshwater ecosystems. After proliferate in the water column, where this potentially toxic cyanobacterium is able to completely dominate the phytoplankton, It is found in abundance on the sediment surface. Throughout the winter phase, part of its population overwinters vegetative in the sediment, retaining its cellular and colonial ultrastructure, some cellular activity and also its microcystin content.
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