The advancement of small hydropower dams is far-flung throughout Brazil and some other places of the world, exceedingly overshadowing large hydropower projects. The increase in numbers of these smaller dams is a response to growing energy and security needs. Their increase, however, imposing a threat on many of the remaining free-flowing rivers and biodiverse tropical regions of the world, thereby obstructing the migrations of freshwater fishes, on which millions of peoples’ livelihoods depend.

For more information on the news, visit the source:

https://www.washington.edu/news/2021/01/27/in-brazil-many-smaller-dams-disrupt-fish-more-than-large-hydropower-projects/

Source: University of Washington

School of aquatic and fishery sciences

Image credit: Victor baptista

Retrieved: 9/02/2021