Table 1 Physicochemical properties of the sediment and mud samples used in the study

Dois Rios Beach

23°11‘S 44°11‘W

24 °C

3.5

Abraão Beach

23°08‘S 44°09‘W

24 °C

3.6

Massambaba Beach

22°57‘S 42°19‘W

24 °C

4.0

Vermelha Lagoon

22°55‘S 42°23‘W

28 °C

5.0

Saltern 1

22°54‘S 42°19‘W

35 °C

12

Saltern 2

22°54‘S 42°19‘W

39 °C

27

Saltern 2 (mud)

22°54‘S 42°19‘W

39 °C

27