A forest department report has revealed that Mangar is home to almost 6 lakh trees, making it a strong contender for the 'natural conservation zone' tag.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/mangar-forest-home-6-lakh-trees-report
[2] http://admin.indiaenvironmentportal.org.in/category/author/vimal-chander-joshi
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-gurgaon
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/haryana
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/forests
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/trees
[7] http://admin.indiaenvironmentportal.org.in/thesaurus/national-green-tribunal-ngt
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mining
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/indian-agricultural-research-institute-iari
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/national-bureau-plant-genetic-resources-nbpgr