From Broken Rivers to Free-Flowing Rivers

Weir at Ximonde, in the river Ulla, Galicia (Spain) – Photo © Jorjum

Reducing Uncertainty to Effectively Restore Free-Flowing Rivers

Barriers

What is a Barrier?

We consider ALL barriers to free flow: longitudinal, such as dams, weirs or culverts, as well as lateral ones, such as embankments or levees. 

Break

River Connectivity

We acknowledge all aspects of river connectivity, including the exchange of sediment, energy and living organisms.

Rivers

Are Fragmented

We study fragmentation across whole river networks, considering their spatial distribution and cumulative impacts.

Latest NEWS

  • Passability Expert Workshop

    Passability Expert Workshop

    The two-day expert workshop on barrier passability for freshwater fish in Vigo gathered specialists to define passability, discuss influencing factors, and assess barrier scores from photos. Key insights included varying definitions, the impact of specific drivers on fish movement, and the potential of AI to enhance passability assessment. Sponsorship and…

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Try out our game: El Juego del Salmón

the first salmon to reach the headwaters wins!

The first version of our game is out for everyone to download and play! Become a salmon in its upstream migration where you will have to jump over dams, avoid predators and pollution and even demolish or construct dams to slow down opponents and become the first salmon to reach the spawning grounds!