“…In this way, from the above, the relevance of the environmental assessment of the mangrove forests of the Tinharé-Boipeba Environmental Protection Area (APA) in Baixo Sul da Bahia, Brazil, facing the tensions of tourism, on fishing, mining, oil industry and sanitation failures (ALENCAR, 2011;SILVA et al al., 2009;GONÇALVES et al al., 2020;ELLIF;KIKUCHI, 2017;PELLEGRINI et al, 2020 ;VILAR et al, 2021 ;GONÇALVES et al al., 2022). In this context of tensions over mangrove conservation, this research aimed to investigate the quality of coastal surface waters and the levels of trace metals in the leaves of Rhizophora mangle L. in the Tinharé-Boipeba APA, in the municipality of Cairu, which is located in the Southern Bahia Lowlands, Brazil.…”