Search results
Results from the WOW.Com Content Network
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 the Arkansas River between the flat plains of western Oklahoma and the Arkansas Delta, dividing the Ozarks and the Ouachita Mountains with the broad valleys created by the river's floodplain, occasionally interrupted by low hills ...
The level III ecoregions in Arkansas are the South Central Plains (35), Ouachita Mountains (36), Arkansas Valley (37), Boston Mountains (38), Ozark Highlands (39), Mississippi Alluvial Plain (73), Mississippi Valley Loess Plains (74). (Compare to map of Level IV ecoregions.)
Ecoregions may be identified by similarities in geology, physiography, vegetation, climate, soils, land use, wildlife distributions, and hydrology. The classification system has four levels, but only Levels I and III are on this list. Level I divides North America into 15 broad ecoregions; of these, 12 lie partly or wholly within the United States.
Arkansas Valley may refer to: the floodplain and associated areas along the Arkansas River in Colorado, Kansas, Oklahoma, and Arkansas; Arkansas River Valley region in Arkansas; Arkansas Valley (ecoregion), an ecoregion defined by the United States Environmental Protection Agency in Arkansas and Oklahoma
Pages in category "Ecoregions of Arkansas" The following 6 pages are in this category, out of 6 total. ... Mississippi Valley Loess Plains (ecoregion) O.
The classification system has four levels. Only the first three levels are shown on this list. "Level I" divides North America into 15 broad ecoregions. "Level II" subdivides the continent into 52 smaller ecoregions. "Level III" subdivides those regions again into 182 ecoregions. [1] [2] "Level IV" is a further subdivision of Level III ...
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Ecoregions of Arkansas (6 P) C. Ecoregions of California (2 C, 28 P) F. Ecoregions of Florida (1 C, 9 P) H. Ecoregions of Hawaii (1 C, 5 P) I. Ecoregions of Illinois ...