Figure 1.

Franciscana Management Areas (FMAs) and sampled sites. Previously proposed FMAs (FMA I‐IV) (Secchi et al., 2003) are delineated with solid lines. The number of samples is shown between brackets. State and Province limits are delineated with dashed lines. Letters A, B, and C correspond to Samborombón West (SW)/Samborombón South (SS), Cabo San Antonio (CSA)/Buenos Aires East (BAE), and Buenos Aires Southwest (BASW) sampled sites, respectively (Méndez, Rosenbaum, Subramaniam, et al. 2010; Méndez, Rosenbaum, Wells, et al., 2010). ES, Espírito Santo; RJ, Rio de Janeiro; SP, São Paulo; PR, Paraná; SCA, Santa Catarina; RG, Rio Grande do Sul; NC, Necochea; CL, Claromecó; MH, Monte Hermoso; RN, Río Negro