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Fig. 13.20 Wood-barge in presence of a group of Sotalia guianensis with a calf in Caravelas estuary. These protected environments are used for this species to ensure the survival of their calves
(Photo: Marcos Rossi-Santos)
Fig. 13.21 Dredging activity in Caravelas estuary happens once a year in order to make the estuary’s mouth deeper for wood-barges crossings (Photo: Marcos Rossi-Santos)
F. de Sousa Pais et al.
Fig. 13.20 Wood-barge in presence of a group of Sotalia guianensis with a calf in Caravelas estuary. These protected environments are used for this species to ensure the survival of their calves
(Photo: Marcos Rossi-Santos)
Fig. 13.21 Dredging activity in Caravelas estuary happens once a year in order to make the estuary’s mouth deeper for wood-barges crossings (Photo: Marcos Rossi-Santos)
F. de Sousa Pais et al.