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Zealand, Canterbury New Zealand, Chatham Island New Zealand, Snares Islands New Zealand, Subantarctic Islands Nicaragua Nicaragua, Chinandega Nicaragua, Llanos de Caño Negro Nicaragua, Pikin Guerrero Niger Niger Delta Niger River Niger, Aïr and Ténéré Niger, Gadabeji Niger, Gourma Niger, Niamey Nigeria Nigeria, Hadejia River Nigeria, Hadejia-Nguru Nile River Nile River basin Niue Nordic countries North Africa North America North and Central America North Atlantic Ocean North Macedonia North Pacific Ocean North Sea Northern Europe Norway Norway, Arctic territory Norway, Bouvet Island Norway, Spitsbergen Oceania OECD countries Oman Oman, Dhofar Oman, Wahiba Sands Osa Peninsula Pacific Islands Pacific Ocean Pakistan Pakistan, Azad Jammu and Kashmir Pakistan, Balochistan Pakistan, Chitral Pakistan, Ghazi-Barotha Pakistan, Gwadar Pakistan, Hunza Pakistan, Hushey Pakistan, Indus Delta Pakistan, Indus River Pakistan, Kabul River Pakistan, Karachi Pakistan, Karakoram Pakistan, Khunjerab Pakistan, Khyber Pakistan, Kirthar Pakistan, Korangi Pakistan, Korangi-Phitti Pakistan, Kutch Pakistan, Margallah Hills National Park Pakistan, North West Frontier Province Pakistan, Northern Areas Pakistan, Peshawar Pakistan, Punjab Pakistan, Sarhad Pakistan, Sind Pakistan, Sindh Pakistan, Skardu Palau Palestine Palestine, Gaza Palestine, West Bank Panama Panama, Azuero Peninsula Panama, Barro Colorado Panama, Bocas del Toro Panama, Islas Canas Panama, Kuna Yala Papua New Guinea Papua New Guinea, Fly River Papua New Guinea, Morobe Province Papua New Guinea, Torres strait Paraguay Paraguay River Paraguay, El Chaco Paraná River Persian Gulf Peru Peru, Amazonia Peru, Ayacucho Peru, Huascaran Peru, Loreto Peru, Machu Picchu Peru, Manú Peru, Rio Abiseo Peru, San Martín Peru, Urubamba Philippine Sea Philippines Philippines, Luzon Philippines, Mindanao Philippines, Mindoro Philippines, Palawan Philippines, Palawan Island Philippines, San Salvador Island Philippines, Tabbataha reefs Po River 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Martin Saint Vincent and the Grenadines Saint-Pierre et Miquelon Salto Grande Samoa Sao Tome and Principe Saudi Arabia Saudi Arabia, Farasan Islands Scandinavia Semiarid lands Senegal Senegal River Senegal River basin Senegal, Casamance Senegal, Djoudj Senegal, Lac de Guiers Senegal, Niokolo-Koba Senegal, Saloum Serbia Serbia, Kosovo Serengeti Seychelles Shetland Islands Siberia Sierra Leone Sierra Leone, Gola forest Sierra Leone, Gola Forest Reserves Singapore Sint Eustatius Sixaola River basin Slovakia Slovakia, Danube Slovenia Slovenia, Danube Slovenia, Kras Solomon Islands Somalia Somalia, Saad ed Din Islands Somalia, Somaliland South Africa South Africa, Bophuthatswana South Africa, Cape Province South Africa, Kwazulu-Natal South Africa, Natal South Africa, Pilanesberg South Africa, Saint Lucia South Africa, Southwestern Cape South Africa, Transkei South Africa, Transvaal South Africa, Valsbaai Bay South America South Asia South Atlantic Ocean South China Sea South East Asia South 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United Kingdom, Wales United Kingdom, Warwickshire United Kingdom, Worcestershire United States United States, Alaska United States, Arizona United States, Arkansas United States, Atlantic coast United States, Badlands National Park United States, California United States, Chesapeake Bay United States, Colorado United States, Eastern states United States, Florida United States, Georgia United States, Gulf of Maine United States, Hawaii United States, Hawaii, Phoenix Islands United States, Idaho United States, Illinois United States, Llano Estacado United States, Louisiana United States, Maine United States, Maryland United States, Massachusetts United States, Michigan United States, Minnesota United States, Missouri United States, Montana United States, Nevada United States, New Hampshire United States, New Jersey United States, New Mexico United States, New York United States, New York City United States, North Carolina United States, North Dakota United States, Northeastern states 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