Major Land Resource Area 159A

Humid and Very Humid Volcanic Ash Soils on Low and Intermediate Rolling Mountain Slopes

Accessed: 12/21/2024

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Key publications

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

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1

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Select an ecological site using the list, keys, photos, briefcase, or quick search option located on this page.
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 159A

I. Isothermic

A. Udic ... VX159A01X500 – Well Drained Udic and Perudic Forest

B. Perudic ... VX159A01X504 – Moderately Well Drained Perudic Forest

C. Aquic ... VX159A01X009 – Isothermic Aquic Bog

II. Isohyperthermic ... VX159A01X403 – Isohyperthermic Udic Naturalized Grassland

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