The Willamette Valley ecoregion is a Level III ecoregion designated by the United States Environmental Protection Agency in the U.S. states of Oregon and...

The Willamette Valley (/wɪˈlæmɪt/ wil-AM-it) is a 150-mile (240 km) long valley in Oregon, in the Pacific Northwest region of the United States. The Willamette...

surrounds the Willamette River Willamette Valley AVA, Oregon wine region Willamette Valley (ecoregion), an area that includes the Willamette Valley and adjacent...

The Willamette Valley is a geographic region in northwest Oregon, United States. Willamette Valley may also refer to: Willamette Valley (ecoregion), the...

S. state soils Oak savanna Pedology (soil study) Soil types Willamette Valley (ecoregion) Natural Resources Conservation Service (2003). "Jory -- Oregon...

use are more similar to Northern California’s inland valleys than to the Willamette Valley ecoregion to the north. The region covers 285 square miles (738 km2)...

This list of ecoregions in the United States provides an overview of United States ecoregions designated by the U.S. Environmental Protection Agency (EPA)...

Foothills, and on the west by the Willamette Valley and Puget Lowland ecoregions. It been subdivided into six Level IV ecoregions in Washington and Oregon, as...

The Arkansas Valley is a Level III ecoregion designated by the Environmental Protection Agency (EPA) in the U.S. states of Arkansas and Oklahoma. It parallels...

This list of ecoregions in Oregon provides an overview of ecoregions in the U.S. state of Oregon designated by the U.S. Environmental Protection Agency...

plateau. The ecoregion is steeper than the adjacent Springfield Plateau to the north, and bordered on the south by the Arkansas Valley. The Oklahoma...

The North American Mississippi Valley Loess Plains are a Level III ecoregion designated by the Environmental Protection Agency (EPA) in six U.S. states...

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

(ecoregion) Pacific Coastal Mountains (ecoregion) Strait of Georgia/Puget Lowland (ecoregion) Willamette Valley (ecoregion) "Search - the Encyclopedia of Earth"...

This list of ecoregions in Arkansas provides an overview of ecoregions in the U.S. state of Arkansas designated by the U.S. Environmental Protection Agency...

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...

The Ozark Highlands is a Level III ecoregion designated by the Environmental Protection Agency (EPA) in four U.S. states. Most of the region is within...

The North American Southern Coastal Plain is a Level III ecoregion designated by the Environmental Protection Agency (EPA) in six U.S. states. The region...

also listed as a sensitive species. The watershed lies in the Willamette Valley ecoregion designated by the U.S. Environmental Protection Agency (EPA)...

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...

The Mississippi Alluvial Plain is a Level III ecoregion designated by the Environmental Protection Agency (EPA) in seven U.S. states, though predominantly...

of terrestrial ecoregions as compiled by the World Wildlife Fund (WWF). The WWF identifies terrestrial, freshwater, and marine ecoregions. The terrestrial...

The Blue Mountains ecoregion is a Level III ecoregion designated by the United States Environmental Protection Agency (EPA) in the Pacific Northwest, mainly...

Coast Range ecoregion designated by the U.S. Environmental Protection Agency (EPA) and flows thereafter through the Willamette Valley ecoregion. The narrow...

California to Alaska. The range creates a rain shadow effect for the Willamette Valley that lies to the east of the mountains, creating a more stable climate...

The watershed lies partly in the Coast Range ecoregion and partly in the Willamette Valley ecoregion designated by the U.S. Environmental Protection...

separates the Cascades from the Coast Mountains in Canada, as does the Willamette Valley from the upper portion of the Oregon Coast Range. The highest volcanoes...

a Level III ecoregion designated by the Environmental Protection Agency (EPA). The region has been subdivided into six Level IV ecoregions. Louis R. Harlan...

hills, alluvial fans, valleys, and scattered mountain ranges in the northern part of the Great Basin. Although arid, the ecoregion is higher and cooler...

The Piedmont ecoregion is a United States ecoregion designated by the U.S. Environmental Protection Agency (EPA) and the Commission for Environmental Cooperation...