Fig 1 - uploaded by Fernando Rosado Spilki
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A) Map of Rio Grande do SulBrazil, highlighting the location of the city of Caxias do Sul. B) Map of the city of Caxias do Sul, highlighting the outline and location of Belo Stream. C) Distribution of the sampling points along the Belo Stream. 

A) Map of Rio Grande do SulBrazil, highlighting the location of the city of Caxias do Sul. B) Map of the city of Caxias do Sul, highlighting the outline and location of Belo Stream. C) Distribution of the sampling points along the Belo Stream.