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Restricted-Range Fishes and the Conservation of Brazilian Freshwaters

Figure 3

Critical watersheds in major Brazilian hydrographic regions.

Classification of Brazilian hydrographic regions according to (a) number and (b) percentage of critical watersheds. Critical watersheds (sites under direct impact of hydropower plants, or under combined poor formal protection and high rates of habitat loss) are marked in red.

Figure 3

doi: https://doi.org/10.1371/journal.pone.0011390.g003