Road block: Fixing aquatic ecosystem connectivity doesn't end with dams

Thursday, May 30, 2013 - 06:30 in Earth & Climate

(Phys.org) —Over the last several years, state agencies and environmental nonprofit organizations have targeted dam removal as a way to quickly improve the health of aquatic ecosystems. Dams keep migratory fish from swimming upriver to spawn, block nutrients from flowing downstream, and change the entire hydrology of a watershed. From an ecosystem perspective, taking down a dam and returning a river to a more natural flow seems like a no-brainer.

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