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Ecoregions of North America, featuring the 50 United States, the District of Columbia and the five inhabited territories. The following is a list of United States ecoregions as identified by the World Wide Fund for Nature (WWF). The United States is a megadiverse country with a high level of endemism across a wide variety of ecosystems.
Level IV mapping is still underway but is complete across most of the United States. For an example of Level IV data, see List of ecoregions in Oregon and the associated articles. The classification system excludes the U.S. state of Hawaii, which is not part of the North American continent.
Northern Vietnam lowland rain forests; Red River freshwater swamp forests; South China-Vietnam subtropical evergreen forests; Southern Annamites montane rain forests; Tonle Sap freshwater swamp forests; Tonle Sap-Mekong peat swamp forests
This is an accepted version of this page This is the latest accepted revision, reviewed on 24 February 2025. U.S. state This article is about the U.S. state. For other uses, see Pennsylvania (disambiguation). "Penn." redirects here. For other uses, see Penn. State in the United States Pennsylvania Pennsilfaani (Pennsylvania Dutch) State Commonwealth of Pennsylvania Flag Seal Nickname: The ...
In terms of biodiversity, the only comparable temperate deciduous forest regions in the world are in central China, Japan, and in the Caucasus Mountains.Both the Appalachians (along with the neighbouring Appalachian mixed mesophytic forests ecoregion) and central China contain relict habitats of an ancient forest that was once widespread over the Northern Hemisphere.
US States that emit more carbon dioxide per person and introduce policies to oppose climate action are generally experiencing greater impacts. [32] [33] 2020 was a historic year for billion-dollar weather and climate disasters in U.S. [34]
Pennsylvania. Pennsylvania is a northeastern commonwealth located in the United States of America. It was one of the 13 original colonies. Pennsylvania is home to a population of 12,802,503 individuals and various different types of environments. [1] Pennsylvania is known for its many hills, plateaus, mountains and valleys.
Vietnam map of Köppen climate classification Hundreds of active fires burning across the hills and valleys of Myanmar, Thailand, Laos, and Vietnam (labelled with red dots). Vietnam's climate, being located in the tropics and strongly influenced by the South China Sea has a monsoon-influenced climate typical of that of mainland Southeast Asia.