Abstract Wetlands (rivers, lakes, bogs, etc.), the biodiversity hotspots, provide habitats for
biology on Earth and play an important role in biodiversity protection around the world …

Fish conservation in South America is a pressing issue. The biodiversity of fishes, just as
with all other groups of plants and animals, is far from fully known. Continuing habitat loss …

The long‐term impact of river regulation on fish functional diversity by a dam immediately
upstream from the upper Paraná River floodplain, Brazil, was evaluated. It was expected that …

Droughts are a major hazard to both natural and human-dominated environments and
those, especially of long duration and high intensity, can be highly damaging and leave long …

Brazil has a highly diverse freshwater fish fauna and their freshwaters provide valuable
provisioning ecosystem services in aquaculture and sport angling, especially in the …

Loss of connectivity in impounded rivers is among the impacts imposed by dams, and
mitigation measures such as fish passages might not accomplish their purpose of …

The construction of dams and weirs has fragmented many rivers and streams globally, and
this is a major threat to biodiversity. The most common method used to reduce these impacts …

Impoundments alter connectivity, sediment transport and water discharge in rivers and
floodplains, affecting recruitment, habitat and resource availability for fish including benthic …

The hydrological regime is the main force driving processes in river-floodplain systems. The
flood pulse concept serves as a base from which to study the processes acting in such a …

Abstract The concentration of Ag, As, Cd, Cu, Cr, Hg, Ni, Pb, Se, U, V, and Zn was analyzed
in water, sediment, and different organs of Prochilodus lineatus (muscle, liver and gill) in …