two significant key global river issues

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construction of dams

decline of fish populations

Two significant key global

river issues

Dams reduce river levels

Dams block riversRiparian (streamside) vegetation is harmed

Water quality and physical changes

Effect of dams on fish migration

Socioeconomic impact of dams

Dam turbines hurt fish

Dams increase predator risk

Dams hold back silt, debris, and nutrients

Dams alter timing of river flows

ENVIS Centre onwetland eosystems including inland wetlands

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Poster Concept by Dr. P.A.Azeez, Dr. Goldin Quadros, Dr. B. Hemambika, Ms. A. Julffia Begam and Mr.A.Srinivasan. Design by Ms. A. Julffia Begam.Sálim Ali Centre for Ornithology and Natural History,Anaikatty, Coimbatore - 641 108, Tamil Nadu. PH.: 0422 2203100

E-mail:sacon-env@nic.in;staff.envis@gmail.com Website: www.sacon.in; www.saconenvis.nic.in.

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