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In the North American Deserts there are emerging natural resources within the ecosystem. A few natural resources within the desert consist of oil, sunlight, copper, zinc, and water. [22] Some of these resources are renewable and some are non-renewable. Most of these resources are being exploited by humans and most actions are not sustainable.
In the United States, the EPA and the United States Geological Survey (USGS) are the principal federal agencies working with the CEC to define and map ecoregions. Ecoregions may be identified by similarities in geology , physiography , vegetation , climate , soils , land use , wildlife distributions, and hydrology .
The North American Environmental Atlas builds on information created, gathered, and harmonized by government scientists and cartographers from Natural Resources Canada, the United States Geological Survey, and Mexico's Instituto Nacional de Estadística y Geografía. Each country's contributing team works closely with their partner agencies in ...
Ecoregions of North America, featuring the 50 United States, the District of Columbia and the five inhabited territories. The following is a list of ecoregions in the United States 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.
Shaded relief map of the United States, showing 10 geological provinces The richly textured landscape of the United States is a product of the dueling forces of plate tectonics, weathering and erosion. Over the 4.5 billion-year history of the Earth, tectonic upheavals and colliding plates have raised great mountain ranges while the forces of ...
The Central Great Plains are a prairie ecoregion of the central United States, part of North American Great Plains. The region runs from west-central Texas through west-central Oklahoma, central Kansas, and south-central Nebraska. It is designated as the Central and Southern Mixed Grasslands ecoregion by the World Wide Fund for Nature.
Last year, RocketHomes compiled a list of the top 20 U.S. cities that are the least prone to natural disasters, including wildfires, hurricanes, tornadoes, flooding, extreme winter storms and high ...
This map of United States water resource subregion hydrologic units updated boundaries to include the ocean as well as the portions of the basins that cross international borders For the use of hydrologists, ecologists, and water-resource managers in the study of surface water flows in the United States, the United States Geological Survey ...