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Edwards Plateau (Western) Ecoregion
Wildlife Management Plan for Crockett County, Texas
Crockett County spans the boundary between the Chihuahuan Deserts and Edwards Plateau, with 79 documented wildlife species.
Intelligence Snapshot
Crockett County Ecological Profile
Crockett County's 2,807 square miles contain 26,581 documented oil and gas wells alongside dry limestone rangeland with scattered juniper, creating a landscape where industrial infrastructure and ecological management coexist at close range. Despite the aridity, this region supports productive white-tailed deer and wild turkey populations on well-managed ranches. With 8 Groundwater Conservation Districts regulating water resources, well permitting and production limits are significant factors in water-dependent management practices.
Management on the western Edwards Plateau shares the cedar management imperative of the eastern plateau but with greater emphasis on water development and conservative stocking rates. The drier conditions mean slower vegetation recovery after disturbance, and overgrazing on thin soils can expose bedrock within a few years. Brush sculpting and targeted juniper removal should focus on grassland restoration while retaining sufficient woody cover for wildlife thermal regulation and escape cover. Supplemental water is the highest-impact practice, with solar-powered pumps and rainwater catchments placed to create reliable wildlife water sources across large pastures.
Transitional Ecoregion
Crockett County spans the boundary between the Chihuahuan Deserts and Edwards Plateau. Species assemblages, soil types, and appropriate management intensities differ between these regions. A property in the Chihuahuan Deserts portion of the county will require different practices than one in the Edwards Plateau zone.
Soil Conditions
Soils are shallow and rocky, predominantly Tarrant and Ector series limestones with minimal topsoil development. Deeper alluvial soils along draws and creek bottoms support the most productive vegetation.
Fire Ecology
Fire intervals on the western plateau were historically longer than the east, at 5 to 10 years, reflecting sparser fuel loads. Prescribed fire remains valuable for maintaining grassland openings but requires adequate fuel accumulation and careful timing around drought cycles.
Spans 2 ecoregions: Chihuahuan Deserts, Edwards Plateau
White-tailed deer and Rio Grande wild turkey are the primary game species, with management programs on larger ranches producing consistently high-quality bucks. Bobwhite quail occupy the more open grassland areas, though populations fluctuate with rainfall. The Texas tortoise occurs in the southern portions, and several cave-adapted invertebrate species are present in the karst systems that extend westward from the central plateau. Raptor diversity is notable, with golden eagle, zone-tailed hawk, and prairie falcon all present.
Crockett County Species of Conservation Concern
TPWD records 79 species in Crockett County. Birds represent the most documented group at 28 species. 2 federally listed species and 74 Species of Greatest Conservation Need have been documented in the county.
Primary Management Targets
white-tailed deer, wild turkey, bobwhite quail
Listed Species
Freshwater mussel found in the Rio Grande and Pecos River. Water diversion, reduced flows, and poor water quality are primary threats. Flow maintenance is critical.
Western distinct population segment is threatened. Requires large patches of mature riparian woodland (cottonwood, willow) with dense understory. Clearing riparian corridors wider than 300 feet may trigger consultation in designated critical habitat.
Freshwater mussel found in the Rio Grande and Pecos River. Water diversion, reduced flows, and poor water quality are primary threats. Flow maintenance is critical.
Depends on harvester ant colonies for food. Fire ant suppression and native grassland restoration directly benefit this species. Listed as state threatened.
Source: Texas Parks & Wildlife Department RTEST Database; U.S. Fish & Wildlife Service Critical Habitat Designations
Edwards Plateau (Western) Wildlife Management Standards
Management in Crockett County centers on the juniper question: which stands to clear for grassland restoration and which to protect for golden-cheeked warbler habitat. The answer depends on stand age, slope position, and bark condition. Under 34 TAC Section 9.2002, the Edwards Plateau (Western) ecoregion requires 20 to 30 minimum acres, 20% brush management coverage, and annual wildlife census documentation. Primary targets are white-tailed deer, wild turkey, and bobwhite quail. Practice recommendations should reflect each property's specific landscape position within the county.
These are the intensity thresholds your plan must meet for the Edwards Plateau (Western) ecoregion. Your county appraisal district will verify compliance against these minimums. A plan that does not address them risks denial of your wildlife management valuation. For a complete overview of the seven management pillars, see the management pillars guide.
In Crockett County, brush management means juniper removal on grassland areas while retaining mature stands in canyon bottoms where golden-cheeked warbler nests.
Food plots must provide nutritional supplementation for target species. The minimum size and density are set by ecoregion to reflect carrying capacity.
Feeder placement and protein content are auditable. The aflatoxin threshold (20 ppb) is a compliance requirement, not a suggestion.
Fire ant suppression directly supports native harvester ant populations, the primary food source for Texas horned lizard and other ground-foraging species.
Brown-headed cowbirds are brood parasites that reduce nesting success of songbirds. The minimum applies to properties where cowbird trapping is selected as a management activity.
The burn rotation percentage applies over the full plan period. Properties that cannot burn due to WUI constraints must document the limitation and substitute equivalent mechanical treatment.
Nest box density is based on territory size of target cavity-nesting species. Boxes must be monitored and maintained annually.
Source: TPWD 34 TAC Section 9.2002, Comprehensive Wildlife Management Planning Guidelines
Water Resources
8 Groundwater Conservation Districts regulate water resources in Crockett County, creating a dense permitting landscape for new wells and production limits that directly affect wildlife management water sources.
Infrastructure
Crockett County has substantial oil and gas infrastructure: 26,581 documented wells across 22 categories and 8,749 pipeline segments recorded by the Railroad Commission. 378 orphan wells are on the Railroad Commission's plugging priority list.
79 documented species across 2807 square miles. Crockett County's management plan should reflect its specific landscape.
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