Natural Resources
Conservation Service
Ecological site F136XY009GA
PROVISIONAL - Dry Mountain Slope Acidic Piedmont Forest, Mesic Temperature Regime
Accessed: 04/25/2024
General information
Provisional. A provisional ecological site description has undergone quality control and quality assurance review. It contains a working state and transition model and enough information to identify the ecological site.
MLRA notes
Major Land Resource Area (MLRA): 136X–Southern Piedmont
This area is in North Carolina (29 percent), Georgia (27 percent), Virginia (21 percent), South Carolina (16 percent), and Alabama (7 percent). It makes up about 64,395 square miles (166,865 square kilometers). (Ag Bulletin 296)
The northeast-southwest trending Piedmont ecoregion comprises a transitional area between the mostly mountainous ecoregions of the Appalachians to the northwest and the relatively flat coastal plain to the southeast. It is a complex mosaic of Precambrian and Paleozoic metamorphic and igneous rocks with moderately dissected irregular plains and some hills. (EPA Ecoregions descriptions)
ADD APPROPRIATE ECOREGION DESCRIPTION(S)
Classification relationships
A PROVISIONAL ECOLOGICAL SITE is a conceptual grouping of soil map unit components within a Major Land Resource Area (MLRA) based on the similarities in response to management. Although there may be wide variability in the productivity of the soils grouped into a Provisional Site, the soil vegetation interactions as expressed in the State and Transition Model are similar and the management actions required to achieve objectives, whether maintaining the existing ecological state or managing for an alternative state, are similar. Provisional Sites are likely to be refined into more precise group during the process of meeting the APPROVED ECOLOGICAL SITE DESCRIPTION criteria.
This PROVISIONAL ECOLOGICAL SITE has been developed to meet the standards established in the National Ecological Site Handbook. The information associated with this ecological site does not meet the Approved Ecological Site Description Standard, but it has been through a Quality Control and Quality Assurance processes to assure consistency and completeness. Further investigations, reviews and correlations are necessary before it becomes an Approved Ecological Site Description.
Ecological site concept
This ecological site generally occurs on steep, well-drained uplands. The type is typically found on dry portions of the landscape. Parent material is colluvium or loamy residuum. However, part of the “dry” charter derives from the infertility of the soils and the consequent low growth rates and low canopy density.
The vegetation is dominated by Quercus species and lesser amounts of Carya species. The canopy is continuous, and several species of Quercus may be present or codominant (e.g., Quercus falcata, Quercus alba, Quercus velutina, Quercus coccinea, and Quercus stellata). The subcanopy closure is variable, ranging from less than 25% to more than 40% cover, and the shrub and herb layers generally are sparse. Subcanopy species include canopy species and Acer rubrum, Liriodendron tulipifera, Oxydendrum arboreum, Liquidambar styraciflua, Ulmus alata, Cornus florida, Nyssa sylvatica, Juniperus virginiana var. virginiana, and Vaccinium arboreum. The tall-shrub stratum may contain Rhododendron canescens and Vaccinium arboreum. The low-shrub stratum can be sparse to moderate and may be dominated by various ericaceous shrubs such as Vaccinium pallidum, Vaccinium stamineum, Vaccinium fuscatum, and Gaylussacia baccata. Smilax glauca and Vitis rotundifolia are common vines. Herbaceous species that may be present include Aristolochia serpentaria, Symphyotrichum dumosum (= Aster dumosus), Clitoria mariana, Desmodium nudiflorum, Euphorbia corollata, Galium circaezans, Chimaphila maculata, Polystichum acrostichoides, Asplenium platyneuron, Hexastylis arifolia, Coreopsis major, Solidago odora, Tephrosia virginiana, Potentilla simplex, Porteranthus stipulatus, Pteridium aquilinum, Lespedeza spp., Dichanthelium spp., and Hieracium venosum.
Table 1. Dominant plant species
Tree |
(1) Quercus falcata |
---|---|
Shrub |
(1) Vaccinium stamineum |
Herbaceous |
Not specified |
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