The Harike wetland, which came into existence in 1952 after the construction of a barrage on the confluence of the Sutlej and Beas rivers and was subsequently declared a bird sanctuary in 1982, has come under severe threat from the encroachers.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/bird-sanctuary-under-threat-encroachers
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/tribune-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/land-encroachments
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/harike-sa
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/birds
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sanctuaries
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/punjab
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ferozepur-d
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kapurthala-d