Contribution of bacteria in the mucilage of Microcystis spp. (Cyanobacteria) to benthic and pelagic bacterial production in a hypereutrophic lake

Autor:	Anna-Kristina Brunberg
Rok vydání:	1999
Předmět:	Cyanobacteria Ecology biology Pelagic zone biology.organism_classification Applied Microbiology and Biotechnology Microbiology Water column Mucilage Benthic zone Microcystis Botany Eutrophication Bacteria
Zdroj:	FEMS Microbiology Ecology. 29:13-22
ISSN:	1574-6941 0168-6496
DOI:	10.1111/j.1574-6941.1999.tb00594.x
Popis:	The mucilage of cyanobacteria represents a unique habitat for both water column and sediment bacteria. In Lake Vallentunasjon, Sweden, the pelagic Microcystis-associated bacteria constituted 19–40% of the total bacterial abundance, and their contribution to the total bacterial production was 7–30%. In the sediment, the mucilage bacteria constituted only 1–5% of the total bacterial abundance, but contributed with 8–13% to the total bacterial production during the summer. Microcystis-associated bacteria thus were less active (bacterial production/cell) than ambient water column bacteria, while in the sediments the Microcystis colonies were `hot spots' with enhanced bacterial activity as compared to other sediment bacteria.
Databáze:	OpenAIRE
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