Pereira, D.G., Rodrigues, L.C., Lansac-Tôha, F.A. e Velho, L.F.M. 2014. <b&gt;Planktonic heterotrophic nanoflagellate abundance along a trophic gradient in subtropical reservoirs: influence of a bottom-up or top-down control mechanism. Acta Scientiarum. Biological Sciences. 36, 2 (maio 2014), 155-163. DOI:https://doi.org/10.4025/actascibiolsci.v36i2.19084.