Generally, the mention of the world tribal gives vivid images of indigenous people living amidst dense jungles, and using a variety of forest resources for their sustenance. Such ecosystem people who enjoy the bounty of nature are the fortunate ones, as there are others who are not so lucky.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/trans-himalayan-cold-desert-tribal-community-their-tryst-ecological-sustenance
[2] http://admin.indiaenvironmentportal.org.in/category/author/satya-prakash-negi
[3] http://admin.indiaenvironmentportal.org.in/category/journal/wastelands-news
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/forests
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/deserts
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/trans-himalaya
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/horticulture
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/afforestation
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tribals
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/benefit-sharing
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/unemployment
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/public-participation
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/himachal-pradesh
[14] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kinnaur
[15] http://admin.indiaenvironmentportal.org.in/category/thesaurus/lahul-spiti