Natural Resources
Conservation Service
Ecological site F043CY507WA
Warm-Frigid, Xeric Loamy, Hills and Plateaus, High WT (Douglas-fir/ warm dry shrub)
Last updated: 9/08/2023
Accessed: 11/13/2024
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): 043C–Blue and Seven Devils Mountains
Major land resource area (MLRA): 043C-Blue and Seven Devils
Description of MLRAs can be found in: United States Department of Agriculture, Natural Resources Conservation Service. 2006. Land Resource Regions and Major Land Resource Areas of the United States, the Caribbean, and the Pacific Basin. U.S. Department of Agriculture Handbook 296.
Available electronically at: http://www.nrcs.usda.gov/wps/portal/nrcs/detail/soils/ref/?cid=nrcs142p2_053624#handbook
LRU notes
Most commonly found in LRU 43C02 (Eastern High Basalt Plateau). Also found in adjacent areas of 43C04 (Dissected Basalt Highlands).
Classification relationships
This ESD fits into the National Vegetation Standard’s Douglas-fir Middle Rocky Mountain Mesic-Wet Forest Alliance and Washington State’s Natural Heritage Program’s Northern Rocky Mt. Dry Mesic Montane Mixed Conifer Forest.
Ecological site concept
This ESD is distinguished by an overstory of ponderosa pine, and Douglas-fir with an understory of shrubs such as common snowberry, mallow ninebark and oceanspray. Common forbs are pinegrass, heartleaf arnica, lupines, western hawkweed and strawberry. It occurs on foothills, mountainsides, and canyon walls. The soils are deep or very deep and have adequate available water capacity to a depth of 1 m. The soils are moderately well-drained with perched water tables at 18 to 36 inches during Feb-May.
Associated sites
F043CY504WA |
Warm-Frigid, Xeric, Loamy, Basalt Mountains and Plateaus (Douglas-fir/warm dry shrub) warm-frigid, xeric, mixed ash surface, basalt geology. |
---|
Similar sites
F043CY504WA |
Warm-Frigid, Xeric, Loamy, Basalt Mountains and Plateaus (Douglas-fir/warm dry shrub) No perched water table |
---|---|
F043CY505WA |
Warm-Frigid, Xeric, Loamy Eolian Hills and Plateaus (Douglas-fir/ warm dry shrub) No perched water table |
F043CY506WA |
Warm-Frigid, Xeric Loamy, Granitic, Mountains (Douglas-fir/ warm dry shrub) No perched water table |
Table 1. Dominant plant species
Tree |
(1) Pseudotsuga menziesii var. glauca |
---|---|
Shrub |
(1) Physocarpus malvaceus |
Herbaceous |
(1) Calamagrostis rubescens |
Click on box and path labels to scroll to the respective text.