The following is a list of ecoregions in the United Kingdom as identified by the World Wide Fund for Nature (WWF).
Terrestrial Temperate broadleaf and mixed forests Celtic broadleaf forests English Lowlands beech forests North Atlantic moist mixed forests
Temperate coniferous forests Caledonian conifer forests
Freshwater Central & Western Europe Northern British Isles
Marine Celtic Seas North Sea
Overseas Territories
Tropical and subtropical dry broadleaf forests (Anguilla) Leeward Islands xeric scrub (Anguilla, British Virgin Islands) Bermuda subtropical conifer forests (Bermuda) Maldives–Lakshadweep–Chagos Archipelago tropical moist forests (British Indian Ocean Territory) Leeward Islands moist forests (British Virgin Islands, Montserrat) Cayman Islands dry forests (Cayman Islands) Cayman Islands xeric scrub (Cayman Islands) Patagonian steppe (Falkland Islands) Southwest Iberian Mediterranean sclerophyllous and mixed forests (Gibraltar) Lesser Antillean dry forests (Montserrat) Tuamotu tropical moist forests (Pitcairn Islands) Ascension scrub and grasslands (Saint Helena, Ascension and Tristan da Cunha) Saint Helena scrub and woodlands (Saint Helena, Ascension and Tristan da Cunha) Tristan da Cunha–Gough Islands shrub and grasslands (Saint Helena, Ascension and Tristan da Cunha) Scotia Sea Islands tundra (South Georgia and the South Sandwich Islands, contested part of British Antarctic Territory) Bahamian dry forests (Turks and Caicos Islands) Bahamian pine mosaic (Turks and Caicos Islands) Bahamian mangroves (Turks and Caicos Islands)
References Abell, R., M. Thieme, C. Revenga, M. Bryer, M. Kottelat, N. Bogutskaya, B. Coad, N. Mandrak, S. Contreras-Balderas, W. Bussing, M. L. J. Stiassny, P. Skelton, G. R. Allen, P. Unmack, A. Naseka, R. Ng, N. Sindorf, J. Robertson, E. Armijo, J. Higgins, T. J. Heibel, E. Wikramanayake, D. Olson, H. L. Lopez, R. E. d. Reis, J. G. Lundberg, M. H. Sabaj Perez, and P. Petry. (2008). Freshwater ecoregions of the world: A new map of biogeographic units for freshwater biodiversity conservation. BioScience 58:403-414, . 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.