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Table 1 Primary ecological site potential (ESP) types and community groupings in three south central US states: Oklahoma (OK), New Mexico (NM), and Texas (TX). Oak, mesquite, and pinyon-juniper community groups were selected for environmental suitability modeling.

From: Fire and Climate Suitability for Woody Vegetation Communities in the South Central United States

  Area (km2)
Environmental site potential name Community OK NM TX Total
Western Great Plains mesquite woodland and shrubland mesquite 5 045 7 734 77 441 90 219
Western Great Plains shortgrass prairie grassland 8 042 40 253 39 836 88 132
Apacherian Chihuahuan mesquite upland scrub mesquite 0 24 186 37 971 62 156
Western Great Plains sandhill steppe grassland 9 593 11 665 35 752 57 010
Crosstimbers oak forest and woodland oak 32 441 0 20 207 52 647
Southeastern Great Plains tallgrass prairie grassland 45 251 0 6 504 51 755
Tamaulipan mixed deciduous thorn scrub mesquite 0 0 47 708 47 708
Western Great Plains floodplain systems floodplain 17 731 3 081 26 477 47 289
Chihuahuan creosotebush desert scrub desert 0 19 438 25 617 45 055
Chihuahuan mixed desert and thorn scrub desert 0 16 056 27 841 43 897
Edwards Plateau limestone savanna and woodland oak* 16 0 42 589 42 606
Colorado Plateau pinyon-juniper woodland pinyon-juniper 0 38 926 0 38 926
Gulf and Atlantic coastal plain floodplain systems floodplain 1 314 0 3 3613 34 926
Southern blackland tallgrass prairie grassland 381 0 32 330 32 711
Central mixed grass prairie grassland 16 058 2 211 14 168 32 438
East central Texas plains post oak savanna and woodland oak 40 0 28 523 28 563
Southern Rocky Mountain pinyon-juniper woodland pinyon-juniper 178 27 242 3 27 423
Tamaulipan mesquite upland scrub mesquite 0 0 4 835 4835
Colorado Plateau pinyon-juniper shrubland pinyon-juniper 0 365 0 365
Proportion of study area      0.30
  1. *Three oak species and two conifer species not found in the other oak ESPs dominate this type; it was not included in the oak community model.