TY - JOUR T1 - Surface sediment and phytoplankton diatoms across a trophic gradient in tropical reservoirs: new records for Brazil and São Paulo State JO - Hoehnea A1 - Bartozek, Elaine Cristina Rodrigues A1 - Zorzal-Almeida, Stéfano A1 - Bicudo, Denise C. SN - 2236-8906 UL - 10.1590/2236-8906-51/2017 VL - 45 Y1 - 2018 PB - Brasil ER -