Is fish passage technology saving fish resources in the lower La Plata River basin?

by Norberto Oscar Oldani, Claudio Rafael Mariano Baigún, John Michael Nestler, Richard Andrew Goodwin

Can north american fish passage tools work for South american migratory fishes?

by Claudio Rafael Mariano Baigún, John Michael Nestler, Norberto Oscar Oldani, R. Andrew Goodwin, Larry J. Weber