Regulating fluvial systems by dams, barrages and construction of inter-basin link canals, has severe impacts on fish populations across the world’s rivers. In India, all major fluvial systems are interrupted by a series of barriers. This includes small weirs to large dams and salt-water barriers preventing saline incursion to the estuarine lakes.
Original Source [2]
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/linking-rivers-barrages-and-fish-migration
[2] http://www.currentscience.ac.in/Volumes/112/09/1804.pdf
[3] http://admin.indiaenvironmentportal.org.in/category/author/dharma-rajan-priyadarsanan
[4] http://admin.indiaenvironmentportal.org.in/category/author/rajeev-raghavan
[5] http://admin.indiaenvironmentportal.org.in/category/journal/current-science
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/hydrology
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/fisheries-0
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/migratory-species
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/river-linking
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/estuaries
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/dams
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kerala
[14] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment-impact-assessment-eia