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International Journal of Ecology
Volume 2014, Article ID 308149, 7 pages
Research Article

Biological Monitoring Using Macroinvertebrates as Bioindicators of Water Quality of Maroaga Stream in the Maroaga Cave System, Presidente Figueiredo, Amazon, Brazil

1Escola Superior Batista do Amazonas, Rua Leonor Teles 153, 69057-510 Manaus, AM, Brazil
2Department of Biological Sciences, University of Alberta, CW-405, Edmonton, AB, Canada T6G 2E9
3Faculdade Literatus, Avenida Constantino Nery 3693, 69050-000 Manaus, AM, Brazil
4Instituto Nacional de Pesquisas da Amazônia, Avenida André Araújo 2936, Petrópolis, 69067-375 Manaus, AM, Brazil

Received 26 July 2013; Revised 1 December 2013; Accepted 25 December 2013; Published 17 February 2014

Academic Editor: L. M. Chu

Copyright © 2014 Christiane Brito Uherek and Fernando Bernardo Pinto Gouveia. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Aquatic environments are being modified by anthropogenic activities regarding their biological, physical, and chemical conditions; even pristine aquatic ecosystems can be threatened. This study focused on the biological monitoring of Maroaga Stream—a first order stream located in an Environmental Protection Area in the Amazon using the Biological Monitoring Working Party (BMWP) Score System. The BMWP Score System revealed that the Maroaga Stream was a Class I stream (score of 138 points), indicating clean or not significantly altered water quality. The results suggest the adequate environmental conditions and ecological responses of the Maroaga Stream.