Monthly discharge of Paraíba do Sul River and rainfall. River discharge and rainfall are correlated variables (R> 0.5). Rainfall data refer to Campos dos Goytacazes municipality (40–50 km from Grussaí and Manguinhos beaches) and was obtained from National Institute for Meteorology (INMET: http://www.inmet.gov.br).

 
 
  Part of: Costa L, Machado P, Zalmon I (2019) Do natural disturbances have significant effects on sandy beach macrofauna of Southeastern Brazil? Zoologia 36: 1-10. https://doi.org/10.3897/zoologia.36.e29814