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Custom Soil Resource Report <br /> Ecological Sites <br /> Individual soil map unit components can be correlated to a particular ecological site. <br /> The Ecological Site Assessment section includes ecological site descriptions, plant <br /> growth curves, state and transition models, and selected National Plants database <br /> information. <br /> All Ecological Sites — <br /> An"ecological site" is the product of all the environmental factors responsible for its <br /> development. It has characteristic soils that have developed over time; a <br /> characteristic hydrology, particularly infiltration and runoff, that has developed over <br /> time;and a characteristic plant community(kind and amount of vegetation). The <br /> vegetation, soils, and hydrology are all interrelated. Each is influenced by the others <br /> and influences the development of the others. For example, the hydrology of the <br /> site is influenced by development of the soil and plant community.The plant <br /> community on an ecological site is typified by an association of species that differs <br /> from that of other ecological sites in the kind and/or proportion of species or in total <br /> production. <br /> An ecological site name provides a general description of a particular ecological <br /> site. For example, "Loamy Upland"is the name of a rangeland ecological site.An <br /> "ecological site ID" is the symbol assigned to a particular ecological site. <br /> The map identifies the dominant ecological site for each map unit, aggregated by <br /> dominant condition. Other ecological sites may occur within each map unit. Each <br /> map unit typically consists of one or more components (soils and/or miscellaneous <br /> areas). Each soil component is associated with an ecological site. Miscellaneous <br /> areas, such as rock outcrop, sand dunes, and badlands, have little or no soil <br /> material and support little or no vegetation and therefore are not linked to an <br /> ecological site. The table below the map lists all of the ecological sites for each map <br /> unit component in your area of interest. <br /> 32 <br />