机译:Indicadores de Altera莽茫o Hidrol贸gica no Alto Rio Paran谩: Interven莽玫es Humanas e Implica莽玫es na Din芒mica do Ambiente Fluvial / Indicators of Hydrologic Alteration in the High Parana River Catchment: Human Interventions and Implications for Dynamic of the Fluvial Environment