TY - SER AU - Pereira,D.G. AU - Rodrigues,L.C. AU - Lansac-Tôha,F.A. AU - Velho,L.F.M. TI - Planktonic heterotrophic nanoflagellate abundance along a trophic gradient in subtropical reservoirs: influence of a bottom-up or top-down control mechanism? KW - PLANCTON KW - PROTOZOÁRIO KW - ECOSSISTEMA KW - ÁGUA DOCE KW - ECOLOGIA AQUÁTICA ER -