Illegal quarrying in the bed of Ghaggar river and sewage waste released from Panchkula, Zirakpur and adjoining villages have posed a threat to the flora and fauna near Chhatbir Zoo.
Besides quarrying, lack of water in the Ghaggar, too, has affected the visits of birds and animals.
A pipe discharges dirty water into the Ghaggar and people have been taking away soil from the river bed.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/illegal-quarrying-threatens-ghaggar-wildlife
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/tribune-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mining
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ghaggar
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wildlife
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/flora
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/fauna
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/birds
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/high-court
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/punjab