Expert: Ralph Salier Date: 5/27/2008 Subject: Multipurpose River Valley Projects and alternate water supply methods
Question I want to know the evaluation of positive and negative aspects of river valley projects
Answer Hi Juhi,
Positive:
1) provides water for agriculture
2) provides water for human and industrial consumption
3) helps to prevent flooding
4) provides lake fisheries
5) provides infrastructure for many purposes
6) provides electric power or cooling for nuclear power plants
7) improved transportation
Negatives:
1) displaces many people
2) destroys prime agricultural lands
3) destroys riverine ecologies and habitat
4) destroys historic and archaeological sites
5) may damage down stream ecologies including estuary fisheries
6) disrupts existing infrastructure
7) can increase the needs for fertilizers and thus increasing the incidents of pollution.