Local factors affecting the testate amoeba community (Protozoa: Arcellinida; Euglyphida) in a neotropical floodplain

  • Rodrigo L. Arrieira | rodrigoarrieira@yahoo.com.br State University of Maringa, Brazil.
  • Geziele M. Alves State University of Maringa, Brazil.
  • Leilane T. F. Schwind State University of Maringa, Brazil.
  • Fabio A. Lansac-Tôha State University of Maringa, Brazil.

Abstract

The objective of this study was to evaluate the possible influential factors on the patterns of temporal distribution of testate amoebae (Protozoa: Arcellinida and Euglyphida) in plankton environments connected to a main river in a Neotropical floodplain. In this context, we hypothesised that the local factors would be the main structural factors for the testate amoebae. Samplings during two hydrological periods were conducted along a longitudinal axis of three environments for aquatic macrophytes, at the edge of the banks. The highest mean values of the richness, diversity and density were recorded for the high water period. Our results suggested that local factors influence the distribution of testate amoebae. These environments were significantly affected by the hydrological regime, where the main structural factors for testate amoebae were the environmental variables, supporting the predicted hypothesis.

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Author Biographies

Rodrigo L. Arrieira, State University of Maringa
Department of Biology
Geziele M. Alves, State University of Maringa
Department of Biology
Leilane T. F. Schwind, State University of Maringa
Department of Biology
Fabio A. Lansac-Tôha, State University of Maringa
Department of Biology
Published
2015-02-09
Info
Issue
Section
Original Articles
Supporting Agencies
PELD/CNPQ, CAPES, Fundação Araucária and Nupélia/UEM
Keywords:
Protozoa, diversity, backwater, flooding, Paraná River.
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How to Cite
1.
Arrieira RL, Alves GM, Schwind LTF, Lansac-Tôha FA. Local factors affecting the testate amoeba community (Protozoa: Arcellinida; Euglyphida) in a neotropical floodplain. J Limnol [Internet]. 2015Feb.9 [cited 2021May17];74(3). Available from: https://jlimnol.it/index.php/jlimnol/article/view/jlimnol.2015.1078