NDLI: Virioplankton and microbial communities in two Czech rivers (Svratka and Morava River)

Content Provider	Springer Nature Link
Author	Slováčková, Hana Maršálek, Blahoslav
Copyright Year	2008
Abstract	Viruses are identified as the most abundant and dynamic component of aquatic communities in marine and freshwater environments. However, there is still limited information about viral abundance and ecology in the rivers. We studied virioplankton abundance in relation to bacterial abundance, chlorophyll a (Chl a; expressed as total Chl a, Chl a in green algae, and in cyanobacteria), and environmental parameters (inorganic nutrient concentration, temperature) in two Czech rivers throughout a 6-month period. Viral abundances reached similar values in both rivers and ranged from 1.85 to 58.1 x 106 viruses/ mL and from 1.68 to 47.4 x 106 viruses/mL in the Svratka and the Morava River, respectively. The temporal variations in viral and bacterial abundances were large in both rivers, as they varied by more than one order of magnitude during the study. We did not observe a spatial variability in viruses or other biotic parameters in spite of differences in some environmental parameters within each river and also between the two rivers. Significant cross-correlations among viruses, bacteria, Chl a, and orthophosphate concentration were found, suggesting that these parameters may influence viral abundance and dynamics in the rivers.
Starting Page	282
Ending Page	291
Page Count	10
File Format	PDF
ISSN	10151621
Journal	Aquatic Sciences
Volume Number	70
Issue Number	3
e-ISSN	14209055
Language	English
Publisher	SP Birkhäuser Verlag Basel
Publisher Date	2008-06-16
Publisher Place	Basel
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Viruses bacteria inorganic nutrients phytoplankton rivers Life Sciences Ecology Oceanography Marine & Freshwater Sciences Freshwater & Marine Ecology
Content Type	Text
Resource Type	Article
Subject	Ecology Aquatic Science Water Science and Technology Ecology, Evolution, Behavior and Systematics

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