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. 2022 Sep 9;17(9):e0274191. doi: 10.1371/journal.pone.0274191

Fig 1. Study area: Sampling sites distributed in the Iguaçu, Piquiri, and Ivaí River Basins, Brazil.

Fig 1

The classification of streams as high, medium and low disturbance was according to the Integrated disturbance index values: < 0.09 values—low disturbance (sites with conditions closer to the natural), 0.10 to 0.19—medium disturbance (altered sites), > 0.2—high disturbance (extremely impacted sites). “Raster data obtained from EMBRAPA (Intellectual Property Rights—US Geological Survey), accessed on March 20, 2022. https://www.cnpm.embrapa.br/projetos/relevobr/download/pr/pr.htm”.