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08-26-19-R
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08-26-19-R
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TCAAP AUAR Update 9 <br />August 2019 <br />Common <br />Name <br />Scientific <br />Name <br />Status Habitat7 <br />Small green <br />wood orchid <br />Platanthera <br />clavellate <br />Special <br />concern <br />Swamp forests that have a continuous or <br />interrupted canopy of black spruce or <br />tamarack and non-forested poor fens that <br />often ring peatland lakes. These habitats <br />usually have hummocks of sphagnum moss <br />interspersed with water-filled hollows. The <br />soils are saturated, well-decomposed peat, <br />and the surface water is acidic with a pH of <br />4.2-5.5. <br />Trumpeter <br />swan <br />Cygnus <br />buccinator <br />Special <br />concern <br />During the breeding season, small ponds <br />and lakes or bays on larger water bodies <br />with extensive beds of emergent vegetation <br />such as cattails, bulrushes, and sedges. Ideal <br />habitat includes about 100 meters of open <br />water for take-off, stable levels of unpolluted <br />fresh water, emergent marsh vegetation, low <br />levels of human disturbance, and the <br />presence of muskrat houses and North <br />American beaver lodges for use as nesting <br />platforms. <br />Black <br />huckleberry <br />Gaylussacia <br />baccata <br />Threatened Well-drained and sandy soil or dry sandstone <br />in fire-dependent forests <br />Blanding’s <br />turtle <br />Emydoidea <br />blandingii <br />Threatened Wetland complexes and adjacent sandy <br />uplands; calm, shallow waters, including <br />wetlands associated with rivers and streams <br />with rich aquatic vegetation. <br />Seaside <br />three-awn <br />Aristida <br />tuberculosa <br />Threatened Dry and loose sand in sand savannas, sand <br />prairies, and dunes where vegetation is <br />sparse <br />Swamp <br />blackberry <br />Rubus <br />semisetosus <br />Threatened Most occurrences are in savanna remnants, <br />particularly on sand plains in Anoka, Isanti, <br />and Sherburne Counties <br />The AUAR study area has undergone extensive demolition and remediation activities. Given <br />the highly disturbed nature of the site, there is minimal likelihood of finding suitable habitat <br />for the additional identified species. The four plant species require habitats that are not <br />present on site (peat bog) or in relatively undisturbed prairie or savanna cover (huckleberry, <br />blackberry, three-awn). The two bat species typically require caves or cavities for roosting, <br />and the sparrow is typically found in native short grass. <br />As noted in the 2014 AUAR, DNR recommendations for minimizing impacts to the Blanding’s <br />turtle during construction will be required for all development activities. No direct or indirect <br />effects are anticipated to state-listed species. <br />4.2.5. Transportation <br />The traffic analysis conducted in the 2014 AUAR is still valid since the development scenarios <br />have not changed. A summary of the traffic analysis from the 2014 AUAR is provided in
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