By Gene E. Likens
A spinoff of the Encyclopedia of Inland Waters, Plankton of Inland Waters covers protists, micro organism, fungi, algae, and zooplankton in addition to the useful and approach interactions of planktonic and hooked up kinds in aquatic ecosystems. as the articles are drawn from an encyclopedia, the articles are simply available to contributors of the general public, similar to conservationists and environmental choice makers. - comprises an updated precis of world aquatic ecosystems and issues.- Covers present environmental difficulties and administration solutions.- positive factors full-color figures and tables to aid the textual content and reduction in knowing.
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Extra resources for Plankton of Inland Waters
The importance of resources, predation, and viral lysis in the regulation of attached bacteria in inland waters thus remain to be evaluated, in the context of within and between-system variability. Activities of Attached Bacteria and their Potential Contributions to the Degradation of Organic Matter Bacterial communities of inland waters play key roles in the degradation of organic matter and the cycling of important elements such as carbon, nitrogen, phosphorus, and sulfur. Because of the ubiquity of bacteria in natural ecosystems, it is likely that attached bacteria are involved in the overall bacterial processes.
Some amoeboid, flagellated, and ciliated protozoa are able to graze bacteria on surfaces and it has been shown that they can reduce bacterial density substantially and affect biofilm architecture. Based on studies conducted in marine systems, it is likely that a large fraction of bacteria attached to pelagic aggregates are grazed by protozoa in inland waters. Accordingly, these microbial grazers are potentially important players in the recycling of nutrients and the maintenance of community growth in attached bacterial microhabitats.
Results of within-system correlation analyses of bacterial numbers have been variable. In some studies, no correlations have been found whereas in others significant correlations between bacterial numbers and water temperature, primary production, and chlorophyll a concentration have been reported. This should not be surprising as total counts of bacterial cell numbers with epifluorescence microscopy techniques do not discriminate between different physiological groups, between live and dead cells, or between metabolically active and nonactive cells (Figure 3).