Figure 1

Macrotopography. (A) del Plata Basin in South America; (B) Río de la Plata Estuary with the main zones (internal, intermediate, and external) and the two sampling sites, Bagliardi Beach and Punta Indio, indicated.
Macrotopography. (A) del Plata Basin in South America; (B) Río de la Plata Estuary with the main zones (internal, intermediate, and external) and the two sampling sites, Bagliardi Beach and Punta Indio, indicated.