Ecoregions of Oklahoma

[Pages:1]Ecoregions of Oklahoma

NEW MEXICO Bea TEXAS

103?

102?

37? 26

26 26f

25c 25c

COLORADO Cimarron Riv er 25b

Boise City

25e

25c

25

25e

103?

25b

TEXAS

25

Stratford

102?

25 High Plains 25b Rolling Sand Plains 25c Moderate Relief Plains 25e Canadian/Cimarron High Plains

26 Southwestern Tablelands 26a Canadian/Cimarron Breaks 26b Flat Tablelands and Valleys 26c Caprock Canyons, Badlands,

and Breaks 26f Mesa de Maya/Black Mesa

27 Central Great Plains 27d Prairie Tableland 27h Red Prairie 27i Broken Red Plains 27k Wichita Mountains 27l Pleistocene Sand Dunes 27m Red River Tablelands 27n Gypsum Hills 27o Cross Timbers Transition 27p Salt Plains 27q Rolling Red Hills 27r Limestone Hills

28 Flint Hills 28a Flint Hills

29 Cross Timbers 29a Northern Cross Timbers 29b Eastern Cross Timbers 29c Western Cross Timbers 29d Grand Prairie 29g Arbuckle Uplift 29h Northwestern Cross Timbers 29i Arbuckle Mountains

101?

100?

99?

98?

97?

96?

95?

27

25

Medicine Lodge 26

Independence

27

28

29

40

Winfield

Joplin

Liberal

25b

25b

25b

25b

25e

25c

25e 25b

ver River

Guymon 25e

Optima Lake

26a

25e

25e

25e

Perryton

25

25

101?

33 East Central Texas Plains 33a Northern Post Oak Savanna

35 South Central Plains 35b Floodplains and Low Terraces 35c Pleistocene Fluvial Terraces 35d Cretaceous Dissected Uplands 35g Red River Bottomlands 35h Blackland Prairie

36 Ouachita Mountains 36a Athens Plateau 36b Central Mountain Ranges 36d Fourche Mountains 36e Western Ouachitas 36f Western Ouachita Valleys

37 Arkansas Valley 37a Scattered High Ridges

and Mountains 37b Arkansas River Floodplain 37d Arkansas Valley Plains

26a

Cimarron River

26b

26a

26a

26 36?

27q

27q Woodward 27l nadian River

North Ca

anadian River

27l 27q

Alva

Cimarron Ri ver 27n Canton Lake

27l 27l

River k

Chikaskia River

KANSAS

Ar a ns as

27d 27l 27p

Great Salt Plains Lake

Salt Fork Arkansas River

27d

Ponca City

Kaw Lake 28a

Enid

27l Perry

Pawnee

Turkey Creek

27o Guthrie

Stillwater Cimarron

River

Cushing

Wa C

27h 27

Elk City

shita River

Clinton

Weatherford

27l

ork R

27d

El Reno

Canadian

Oklahoma River

City

Norman

an Rive Nor

th Canadi

29a

r Shawnee

Lake

Thunderbird Little

River

ed River North F

26 35?

26c

27

Elm

Fork

27k Red River

Lake Altus

27k

27k

27o 27h

27rEllswLoarkthe 27k

Chickasha

27o Washita River

Pauls Valley

Canadian River Ada

29a Keystone Lake

Sapulpa Deep Fork

Mud

Bartlesville

37?

Neos Picher

40b

h

o River 39a Miami

39

40d

39b

aney River

C Oologah Lake

Claremore 40b

Tulsa Broken Arrow

Verdigris River

N eosho R. Illin

r

39a Lake Pryor Hudson

Grand Lake O' The Cherokees

MISSOURI

39a

ARKANSAS

39a

39b

39

39a

39a

Fort Gibson Lake 39a

ois Rive 39b 39a

36?

Tahlequah

Arkansas River Muskogee

39a

38

Okmulgee

40b

Tenkiller Ferry

38b

Lake

37b

Sallisaw

River

McAlester 37e

Eufaula Lake

Robert S. Kerr

Reservoir

Fort 37b Smith

37a

37d

37

37a

37a

37a Poteau Poteau Ri 37a

35?

36d

Sardis

Lake

36d

36f

36a

Canadian Kia

v er ARKANSAS

dy Boggy Creek

Salt Fork Red Rive Red River

37e Lower Canadian Hills

26

27m

38 Boston Mountains 38b Lower Boston Mountains

39 Ozark Highlands 39a Springfield Plateau 39b Dissected Springfield Plateau ?

Elk River Hills

34?

40 Central Irregular Plains 40b Osage Cuestas 40d Cherokee Plains

26

Altus Lake Kemp

27h

TEXAS 27

Lawton Waurika Lake 27i

Wichita Falls

Lake Arrowhead

29h Duncan

Red River

29g 29i

Atoka Reservoir 36e

36e

michi River

Ardmore

29c 29d

29b Lake Texoma

TEXAS

B

Clear Boggy Creek

lue River

Durant

33a

35g

33

36f

35d Hugo

35c

36f Hugo Lake

35c

Pat Mayse Lake

Little River

36f

36e Pine Creek

Lake

36 36a

Broken Bow Lake 36b

36a

35c

35h

Little River 35b

Idabel

35b

35 Red River35g

35d 35h

35c

34? 35

29

Sherman

32

33

TEXAS

100?

99?

98?

97?

96?

INTERIOR--GEOLOGICAL SURVEY, RESTON, VIRGINIA--2005

95?

Level III ecoregion boundary Level IV ecoregion boundary State boundary County boundary

SCALE 1:3 125 000

15

0

15

30 mi

30

0

30

60 km

Albers Equal Area Projection Standard Parallels 34? 30' N and 36? 00' N

PRINCIPAL AUTHORS: Alan J. Woods (Oregon State University), James M. Omernik (U.S. Geological Survey), Daniel R. Butler (Oklahoma Conservation Commission?Water Quality Division), Jimmy G. Ford (U.S. Department of Agriculture?Natural Resources Conservation Service), James E. Henley (U.S. Department of Agriculture?Natural Resources Conservation Service), Bruce W. Hoagland (Oklahoma Biological Survey), Derek S. Arndt (Oklahoma Climatological Survey), and Brian C. Moran (Indus Corporation).

COLLABORATORS AND CONTRIBUTORS: Kurt Atkinson (Oklahoma Department of Agriculture, Food, and Forestry), Sandy A. Bryce (Dynamac Corporation), Shannen S. Chapman (Dynamac Corporation), Philip A. Crocker (U.S. Environmental Protection Agency), Glenn E. Griffith (Dynamac Corporation), Chris Hise (The Nature Conservancy), Charlie Howell (U.S. Environmental Protection Agency), Ron Jarman (Apex Environmental, Inc.), Thomas R. Loveland (U.S. Geological Survey), Kenneth V. Luza (Oklahoma Geological Survey), Phillip Moershel (Oklahoma Water Resources Board), Mark E. Moseley (U.S. Department of Agriculture?Natural Resources Conservation Service), Randy Parham (Oklahoma Department of Environmental Quality), and Brooks Tramell (Oklahoma Conservation Commission?Water Quality Division).

REVIEWERS: George A. Bukenhofer (U.S. Forest Service), Richard A. Marston (Boone Pickens School of Geology, Oklahoma State University), David V. Peck (U.S. Environmental Protection Agency), and Dale Splinter (Boone Pickens School of Geology, Oklahoma State University).

CITING THIS POSTER: Woods, A.J., Omernik, J.M., Butler, D.R., Ford, J.G., Henley, J.E., Hoagland, B.W., Arndt, D.S., and Moran, B.C., 2005, Ecoregions of Oklahoma (color poster with map, descriptive text, summary tables, and photographs): Reston, Virginia, U.S. Geological Survey (map scale 1:1,250,000).

This project was supported in part by funds from USEPA Region 6, Water Quality Cooperative Agreement under the provisions of Section 104(b) (3) of the Clean Water Act to the Oklahoma Water Resources Board (through the Office of the Secretary of Environment, State of Oklahoma). Assistance from the private sector is acknowledged in the form of Ron Jarman, Ph.D., on loan from Apex Environmental, Inc.

Electronic versions of ecoregion maps and posters as well as other ecoregion resources are available at

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