AKNOWLEDGMENT
The authors are grateful to José Pantoja and Gilvan Oliveira, for taking hydrodynamic measurements; to José Brito and Sérgio dos Santos, for their support in the field and sample processing; to Amapá State Civil Defense Agency, for the logistical support; to Dr. Orleno Marques, for refining the map; to CAPES and PPGBIO/UNIFAP, for granting the scholarship to the first author; as well as to GEA-AP/IEPA, for the financial support.