Environmental advocacy groups have been arguing for the expansion of protected areas in the world's seas and oceans.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/dolphins-thriving-new-zealand-marine-preserve
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/environment-news-network
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/new-zealand
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/fisheries
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/dolphin
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sanctuaries
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/south-pacific-ocean