The tribals staying in the core or buffer areas are dependent on forests for their survival and this has hugely disturbed the ecosystem.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/ngo-experiments-new-fishing-technique-balance-ecosystem
[2] http://admin.indiaenvironmentportal.org.in/category/author/manka-behl
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-nagpur
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/maharashtra
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nagpur-d
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/fisheries-0
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ecosystems
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ngo
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environmentalists
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tribals
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sustainable-development
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/forests
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/fish
[14] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment