The 90% of the biodiversity related to the amphibian populations in the Brazilian Atlantic Forest -one of the most threatened tropical forests- is not a protected area yet, according to an article
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/improving-preservation-amphibians-brazilian-atlantic-forest
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/science-daily
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wildlife
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/amphibians
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/brazil
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/biodiversity
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tropical-forests
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/endangered-species