Major Land Resource Area 086A

Texas Blackland Prairie, Northern Part

Accessed: 12/21/2024

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Land Resource Regions and Major Land Resource Areas of the United States, the Caribbean, and the Pacific Basin

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2

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Next, learn more about the selected ecological site and its characteristic dynamics by browsing the ecological site description and exploring alternative state and transition model formats.

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Zoom in to display soil survey map units for an area of interest, and zoom out to display MLRAs. Select a map unit polygon to view ecological sites correlated to that map unit. View a brief description of an ecological site by clicking on its name in the map popup. Soil survey correlations may not be accurate, and ecological site classification of a location should always be verified in the field. Each selection may require the transfer of several hundred KB of data.

Ecological site keys

MLRA 086A ES Key

I. Uplands and terraces

A. Soils high in calcium carbonates

1 Sites north of Waco, TX ... R086AY001TX – Northern Chalky Ridge

2 Sites south of Waco, TX ... R086AY002TX – Southern Chalky Ridge

B. All others

1 Sandy loam, loamy, or clay loam surface textures

i. Loamy surface textures with abrupt increase in clay subsoil

a. Sites north of Waco, TX ... R086AY003TX – Northern Claypan Prairie

b. Sites south of Waco, TX ... R086AY004TX – Southern Claypan Prairie

ii. All others

a. Soils with sandy loam surface textures ... R086AY005TX – Sandy Loam

b. Soils with clay loam surface textures

1) Sites north of Waco, TX ... R086AY006TX – Northern Clay Loam

2) Sites south of Waco, TX ... R086AY007TX – Southern Clay Loam

2 Clayey soils throughout entire profile

i. Black clayey soils that have eroded surface and subsoil horizons

a. Sites north of Waco, TX ... R086AY008TX – Northern Eroded Blackland

b. Sites south of Waco, TX ... R086AY009TX – Southern Eroded Blackland

ii. Deep, black clayey soils with high shrink‐swell nature

a. Sites north of Waco, TX ... R086AY010TX – Northern Blackland

b. Sites south of Waco, TX ... R086AY011TX – Southern Blackland

II. Bottomlands and flood plains

A. Bottomlands with loamy soils ... R086AY012TX – Loamy Bottomland

B. Bottomlands with clayey soils ... R086AY013TX – Clayey Bottomland

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