@article{silva_costa_2015,  title={Biomonitoring ecological status of two reservoirs of the Brazilian semi-arid using phytoplankton assemblages (Q index)},  volume={27},  ISSN={2179-975X},  url={https://doi.org/10.1590/S2179-975X2014},  DOI={10.1590/S2179-975X2014},  number={1},  journal={Acta Limnologica Brasiliensia},  publisher={Associação Brasileira de Limnologia},  author={Silva, Ana Paula Cardoso and Costa, Ivaneide Alves Soares da},  year={2015},  month={Jan},  pages={1–14} }