Sludge in upstream area causing depletion of oxygen in water
Experts are debating bioremediation measures, including de-sledging the upstream areas of the Pathalam bund in the Periyar to avert fish deaths.
Mooting the idea of de-sludging the nearly 1-km upstream area, Bijoy Nandan, Associate Professor at the Cochin University of Science and Technology, said that partial bio-remediation measures could avert future fish deaths.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/experts-moot-bio-remedies-check-fish-deaths-periyar
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-thiruvananthapuram
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kerala
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/periyar
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/fish
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/river-pollution
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-quality
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environmentalists
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/state-pollution-control-board-spcb-0
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution