Abstract
Twenty-four Central Amazonian Várzea and Ria lakes, lateral to the Rio Negro and the Rio Solimões, were studied for a year and are classified here in terms of physical, chemical and microbiological characteristics. White water (W), mixed water (M) and black water (B) lakes are ranked according to bacterial densities, electrical conductivity, pH, DO, POC, Fe, Si02 and PO4 consumption in the following order W > M > B. The range of Vmax decreased as net primary production increased. Further differentiation among the three lake types is made on the basis of dominant algal species and species diversity.
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Rai, H., Hill, G. Classification of central amazon lakes on the basis of their microbiological and physico-chemical characteristics. Hydrobiologia 72, 85–99 (1980). https://doi.org/10.1007/BF00016237
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DOI: https://doi.org/10.1007/BF00016237