FORAMINIFERA AND THECAMOEBIANS ASSOCIATED TO SEDIMENTOLOGICAL AND MICROBIOLOGICAL ANALYSIS IN PARAÍBA DO SUL DELTA, RIO DE JANEIRO- BRAZIL
DOI:
https://doi.org/10.22456/1807-9806.35162Keywords:
foraminifera, thecamoebians, bacterial activity, environmental dynamic, Paraíba do Sul River Delta.Abstract
Three environmental sectors were defined in Paraíba do Sul Delta located in the northern part of Rio de Janeiro State based on assemblaged of foraminifera and the camoebians associated with sediment and microbiological analysis. The DCA analysis showed that bacterial carbon and mud sediment were the most influent environmental analysis in assemblage's distribution. Sector I – composed by agglutinated foraminifera species, diversity index variable, aero and anaerobic bacteria metabolic activity and sandy-silt sediment; Sector II - composed by a mix of foraminifera and tecamoebians species, showing high values of diversity index, aerobic bacteria metabolic activity in some places and sand poorly selected sedimentation. Sector III - characterized by only tecamoebians assemblages, high bacterial carbon concentration and poorly selected sandy sediment. This sector accounted for the fresh water environment. These data reflect the hydrodynamics behavior of the area and can be used in diagnostic studies of environmental and ecosystem vulnerability, as well as basis for paleoenvironmental studies of the delta.Downloads
Download data is not yet available.
Downloads
Published
2011-12-31
How to Cite
LAUT, L. L., SILVA, F. S., FIGUEIREDO JR, A. G., & LAUT, V. M. (2011). FORAMINIFERA AND THECAMOEBIANS ASSOCIATED TO SEDIMENTOLOGICAL AND MICROBIOLOGICAL ANALYSIS IN PARAÍBA DO SUL DELTA, RIO DE JANEIRO- BRAZIL. Pesquisas Em Geociências, 38(3), 251–268. https://doi.org/10.22456/1807-9806.35162
Issue
Section
Articles
