@article{roberto_santana_thomaz_2009,  title={Limnology in the Upper Paraná River floodplain: large-scale spatial and temporal patterns, and the influence of reservoirs},  volume={69},  ISSN={1519-6984},  url={https://doi.org/10.1590/S1519-69842009000300025},  DOI={10.1590/S1519-69842009000300025},  number={2},  journal={Brazilian Journal of Biology},  publisher={Instituto Internacional de Ecologia},  author={Roberto, MC. and Santana, NF. and Thomaz, SM.},  year={2009},  month={Jun},  pages={717–725} }