An ecoregion (ecological region) is an ecologically and geographically defined area that is smaller than a bioregion, which in turn is smaller than a...

the Sahara Desert ecoregion. The South Saharan steppe and woodlands ecoregion lies to the south, between the Sahara Desert ecoregion and the Sahel grasslands...

Wikipedia has articles relating to two separate ecoregion classification systems: Ecoregions defined by the Commission for Environmental Cooperation (CEC)...

Flora of the Great Plains (North America) Great American Desert List of ecoregions in the United States (EPA) Llano Estacado North American Prairies province...

steppe defined by the World Wildlife Fund, and the Central Basin and Range ecoregion defined by the U.S. Environmental Protection Agency and United States...

The Columbia Plateau ecoregion is a Level III ecoregion designated by the United States Environmental Protection Agency (EPA) encompassing approximately...

The Sonoran Desert (Spanish: Desierto de Sonora) is a hot desert and ecoregion in North America that covers the northwestern Mexican states of Sonora...

A marine ecoregion is an ecoregion, or ecological region, of the oceans and seas identified and defined based on biogeographic characteristics. A more...

than 2000 hours of sunshine per year. Croatia can be subdivided into ecoregions based on climate and geomorphology. The country is one of the richest...

Desert (Spanish: Desierto de Chihuahua, Desierto Chihuahuense) is a desert ecoregion designation covering parts of northern Mexico and the southwestern United...

The Blue Ridge Mountains are a physiographic province of the larger Appalachian Highlands range. The mountain range is located in the Eastern United States...

distinct dry ecoregions, based on variations in climate and topography: Eastern Gobi desert steppe, the easternmost of the Gobi ecoregions, covering an...

Andes in Colombia and Venezuela, in northwestern South America. It is an ecoregion of the tropical and subtropical grasslands, savannas, and shrublands biome...

The term Cross Timbers, also known as Ecoregion 29, Central Oklahoma/Texas Plains, is used to describe a strip of land in the United States that runs...

Ecoregions in Australia are geographically distinct plant and animal communities, defined by the World Wide Fund for Nature based on geology, soils, climate...

The Valdivian temperate forests (NT0404) is an ecoregion on the west coast of southern South America, in Chile and Argentina. It is part of the Neotropical...

The Global 200 is the list of ecoregions identified by the World Wide Fund for Nature (WWF), the global conservation organization, as priorities for conservation...

The ecoregions of Madagascar, as defined by the World Wildlife Fund, include seven terrestrial, five freshwater, and two marine ecoregions. Madagascar's...

freshwater ecoregions and marine ecoregions of the world were identified. Within India, there are 46 terrestrial ecoregions, 14 freshwater ecoregions, and 6...

A crisis ecoregion is a terrestrial biome facing significant threat to its biodiversity and requiring well directed conservation efforts in order to curb...

are a temperate coniferous forests ecoregion of coastal Northern California and southwestern Oregon. The ecoregion covers 13,300 square kilometres (5...

by Texas Parks and Wildlife Department for the Edwards Plateau Ecoregion. The ecoregion is somewhat larger than the geographic region, as the map from...

(10–24 °C or 50–75 °F). This ecoregion is a subregion of the Cascadia bioregion. These rainforests occur in a number of ecoregions, which vary in their species...

temperate grasslands, savannas, and shrublands ecoregion in California's Central Valley. It a diverse ecoregion containing areas of desert grassland (at the...

The California chaparral and woodlands is a terrestrial ecoregion of southwestern Oregon, northern, central, and southern California (United States) and...

realm also has numerous rivers and lakes, forming several freshwater ecoregions. Both the eastern and westernmost extremes of the Paleartic span into...

to assess an ecoregion's degree of habitat alteration and habitat conservation. It is used to set priorities for conservation. Ecoregion Conservation...

is an ecoregion in the southwest of Madagascar. The vegetation type is found on poor substrates with low, erratic winter rainfall. The ecoregion contains...

California chaparral and woodlands ecoregion. The ecoregion corresponds to the USDA Southern California ecoregion section 261B, and to the EPA Southern...

conservation status. The Mojave Desert is one of the best protected distinct ecoregions in the United States, as a result of the California Desert Protection...