Preliminary Assessment of Bacteria Abundance in Rivers of the Pantanal Wetlands -- Brazil

by V. da Silva Nunes, No affiliation information available.,
D. F. Calheiros, No affiliation information available.,
M. D. Oliveira, No affiliation information available.,
N. L. Duran, No affiliation information available.,

Document Type: Proceeding Paper

Part of: Bridging the Gap: Meeting the World's Water and Environmental Resources Challenges


Heterothrophic bacteria play an important role in the carbon flux of aquatic environments, specially in flooded areas, where they are considered to be a source of organic matter. They are also responsible, together with protozoans and fungi, for the decomposition process favored at the soil-water interphase. Bacteria abundance estimates are common in temperate environments but rare in aquatic tropical environments, particularly in the Pantanal wetlands. This project was conducted as part of a major program (Long Term PELD-CNPq Program) aiming to study the limnological and ecotoxicological characteristics of the Upper Paraguay River Basin (UPRB) for the next 10 years. The objective of this project is to conduct a preliminary spatial analysis of the abundance of planctonic bacteria on the main rivers of the Upper Paraguay River Basin (plateau and Pantanal plains).

Subject Headings: Rivers and streams | Bacteria | Developing countries | Wetlands (fresh water) | Spatial analysis | Project management | Basins | South America | Brazil | Paraguay

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