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Other soil series that have been correlated to this site, but may eventually be re-correlated include: Eastonville, Fort <br /> Collins(sandy loam), Haverson (sandy loam), Nunn (sandy loam), Olney, Platner(sandy loam and fine sandy <br /> loam), Stoneham (sandy loam), Sundance(sandy loam), and Weld (sandy loam). <br /> The attributes listed below represent 0-40 inches in depth or to the first restrictive layer. <br /> Note: Revisions to soil surveys are on-going. For the most recent updates, visit the Web Soil Survey, the official site <br /> for soils information: http://websoilsurvey.nres.usda.gov/app/WebSoilSurvey.aspx <br /> Table 4.Representative soil features <br /> Surface texture (1)Sandy loam <br /> (2)Loamy sand <br /> (3)Fine sandy loam <br /> Drainage class Well drained to somewhat excessively drained <br /> Permeability class Moderately slow to moderately rapid <br /> Soil depth 80 in <br /> Surface fragment cover<=3" 0% <br /> Surface fragment cover>3" 0% <br /> Available water capacity 3-6 in <br /> (0-40in) <br /> Calcium carbonate equivalent 0-10% <br /> (0-40in) <br /> Electrical conductivity 0-2 mmhos/cm <br /> (0-40in) <br /> Sodium adsorption ratio 0-5 <br /> (0-40in) <br /> Soil reaction(1:1 water) 6.6-8.4 <br /> (0-40in) <br /> Subsurface fragment volume<=3" 0-5% <br /> (Depth not specified) <br /> Subsurface fragment volume>3" 0% <br /> (Depth not specified) <br /> Ecological dynamics <br /> The information in this ESD, including the state-and-transition model diagram (STM),was developed using <br /> archeological and historical data, professional experience, and scientific studies. The information is representative <br /> of a dynamic set of plant communities that represent the complex interaction of several ecological processes.The <br /> plant composition has been determined by study of rangeland relic areas, areas protected from excessive <br /> disturbance, seasonal use pastures, short duration/time controlled grazing strategies, and historical accounts. <br /> The Sandy Plains ecological site is characterized by four states: Reference,Warm-Season Shortgrass, Increased <br /> Bare Ground, and Tilled State.The Reference State is characterized by a dominance of warm-season tallgrasses <br /> (prairie sandreed, sand bluestem, and switchgrass).Warm-season shortgrass(blue grama)is the primary <br /> understory species.The Warm-Season Shortgrass State is dominated by a warm-season short bunchgrass(blue <br /> grama). The Increased Bare Ground State is characterized by early successional warm-season (Fendler threeawn) <br /> and cool-season short bunchgrasses (squirreltail)and annual grasses and forbs.The Tilled State has been <br /> mechanically disturbed by equipment and includes either a variety of reseeded warm and cool-season grasses <br /> (Seeded Community)or early successional plants as well as annual grasses and forbs(Go-Back Community). <br />