Freshwater connectivity and the associated flow regime are critical components of the health
of freshwater ecosystems. When freshwater ecosystems are fragmented, the movements …

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 …

In an attempt to restore the connectivity of fragmented river habitats, a variety of passage
facilities have been installed at river barriers. Despite the cost of building these structures …

Since the publication of the first edition (1994) there have been rapid developments in the
application of hydrology, geomorphology and ecology to stream management. In particular …

Attraction and passage efficiency were reviewed and compared from 19 monitoring studies
that produced data for evaluations of pool‐and‐weir, Denil, vertical‐slot and nature‐like …

Worldwide, obstructions on watercourses have interfered with migratory pathways of fish
species, reducing life‐cycle success and often eliminating diadromous fish species …

To update the consensus on the effectiveness of fish passage mitigation structures or
“fishways,” I conducted a meta‐analysis on the fish passage literature and synthesized …

Fishways and other passage facilities frequently prevent or delay the passage of fishes,
highlighting the need for effectiveness monitoring. We reviewed the scientific literature from …

At present most of the large rivers of South America are impounded. Management plans
historically have relied on the construction of fish passages, specifically ladders, to mitigate …

Most of the large rivers of South America are impounded mainly for hydropower production.
The construction of fish passes has been one of the strategies adopted by Brazilian …