Evaluation of the influence of urbanization processes using mangrove and fecal markers in recent organic matter in a tropical tidal flat estuary - Grilo, Caroline Fiório; Rodrigues Neto, Renato; Vicente, Maristela de Araújo; Castro, Eustáquio Vinícius Ribeiro de; Figueira, Rubens César Lopes; Carreira, Renato da Silva (Applied Geochemistry (print), 2013)