The following is a list of ecoregions in Papua New Guinea, as identified by the Worldwide Fund for Nature (WWF).
Terrestrial ecoregions Papua New Guinea is in the Australasian realm. Ecoregions are listed by biome.
Tropical and subtropical moist broadleaf forests Admiralty Islands lowland rain forests Central Range montane rain forests Huon Peninsula montane rain forests Louisiade Archipelago rain forests New Britain-New Ireland lowland rain forests New Britain-New Ireland montane rain forests Northern New Guinea lowland rain and freshwater swamp forests Northern New Guinea montane rain forests Solomon Islands rain forests Southeastern Papuan rain forests Southern New Guinea freshwater swamp forests Southern New Guinea lowland rain forests Trobriand Islands rain forests
Tropical and subtropical grasslands, savannas, and shrublands Trans-Fly savanna and grasslands
Montane grasslands and shrublands Central Range sub-alpine grasslands
Mangrove ecoregions New Guinea mangroves
Freshwater ecoregions Bismark Archipelago New Guinea Central Mountains New Guinea North Coast Papuan Peninsula Solomon Islands Southwest New Guinea – Trans-Fly Lowland
Marine ecoregions Eastern Coral Triangle Bismarck Sea Solomon Archipelago Solomon Sea Southeast Papua New Guinea
Sahul shelf Gulf of Papua Arafura Sea
References Wikramanayake, Eric; Eric Dinerstein; Colby J. Loucks; et al. (2002). Terrestrial Ecoregions of the Indo-Pacific: a Conservation Assessment. Island Press; Washington, DC. Freshwater Ecoregions of the World: A global biogeographical regionalization of the Earth's freshwater biodiversity. Accessed 30 March 2020. https://www.feow.org Spalding, Mark D., Helen E. Fox, Gerald R. Allen, Nick Davidson et al. "Marine Ecoregions of the World: A Bioregionalization of Coastal and Shelf Areas". Bioscience Vol. 57 No. 7, July/August 2007, pp. 573–583.