NDLI: Artificial Cyanobacterial Mats: Growth, Structure, and Vertical Zonation Patterns

Content Provider	Springer Nature Link
Author	Fenchel, T. Kühl, M.
Abstract	The formation of cyanobacterial mats (originally induced by incubation of sediment cores in which metazoans and most other eukaryotes had been removed) was followed over approximately 2.6 years. The thickness of the mats increased at a rate of 2–3 mm per year because of accumulation of empty cyanobacterial sheaths and as a result of carbonate deposition; the fraction of living biomass remained relatively constant over at least 2 years, but there was a slow accumulation of nonliving organic C (≈ 1 mmol yr−1). Biota composition (dominated by five types of filamentous cyanobacteria, unicellular cyanobacteria, diatoms, anoxygenic phototrophs, and heterotrophic bacteria) and vertical zonation patterns in the upper 2–3 mm of the mats were also almost constant over time. Using transmission electron microscopy and stereological analysis it was possible to quantify the vertical distribution of major groups of organisms.
Starting Page	85
Ending Page	93
Page Count	9
File Format	PDF
ISSN	00953628
Journal	Microbial Ecology
Volume Number	40
Issue Number	2
e-ISSN	1432184X
Language	English
Publisher	Springer-Verlag
Publisher Date	2000-08-01
Publisher Place	Berlin, Heidelberg
Access Restriction	Subscribed
Content Type	Text
Resource Type	Article
Subject	Soil Science Ecology Ecology, Evolution, Behavior and Systematics

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Artificial Cyanobacterial Mats: Growth, Structure, and Vertical Zonation Patterns