Fish Ladders and Elevators Not Working – ScienceNOW

Fragmentation of river networks by dams and weirs has become an increasingly important topic in fish ecology. Accordingly a lot of attention has been paid to restore the longitudinal connectivity by building fish by-passes, fish ladders and elevators etc.

Read a(nother) new study that shows how inefficiently especially such technical constructions work resp. how they fail to work in three major north american catchments:

Fish Ladders and Elevators Not Working – ScienceNOW.

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