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ERC Bernhardt Site <br /> Threatened-Endangered Species and General Wildlife Screening <br /> materials, such as pavement, from dry lands to emergent wetlands. Tree canopy varies from 0 to 100% <br /> (e.g., open to shaded lawns and gardens) (NatureServe 2023). This community is found along the survey <br /> area boundaries and is comprised primarily of two-track roads dominated by Russian thistle and kochia. <br /> Eastern Cottonwood Floodplain Woodland <br /> Land east and abutting the survey area contains the South Platte River corridor and is comprised Eastern <br /> Cottonwood Floodplain Woodland. This vegetative community occurs near rivers and large streams <br /> throughout the Great Plains of the U.S. and Canada and extends west into Wyoming and New Mexico. It <br /> is dominated by eastern cottonwood (Populus deltoides) throughout its range. The understory <br /> composition and structure are variable. A shrub layer may be present, with species such as Salix spp., <br /> Symphoricarpos occidentolis, and Prunus virginiana predominating. Sites experience seasonal floods, <br /> which, after receding, leave areas available for colonization. Woodland floodplains in the Great Plains, <br /> nearly always dominated by Populus deltoides. The understory often has mid- and tallgrass components <br /> from the surrounding prairie, though recently scoured sites can be barren or dominated by early <br /> successional species.This vegetative community is outside of the survey area and will not be impacted by <br /> the proposed project. <br /> 2 <br />