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both winter range as well as a winter concentration area. A species overall range may be defined <br /> as the area which encompasses all known seasonal activities within the observed range of a <br /> population. A species winter range may be defined as that part of the overall range where 90 <br /> percent of the individuals are located during the average five winters from the first heavy <br /> snowfall to green-up. A species winter concentration areas may be defined as that part of the <br /> winter range where densities are at least 200% greater than surrounding winter range densities. <br /> The impacts from the proposed reservoir construction may be characterized as minimal with no <br /> significant impacts. The proposed reservoir should have little long term effects on resident <br /> species due to the quality of habitat being impacted. Additionally, surrounding habitat should <br /> also help with any short term species displacement prior to site reclamation being fully <br /> completed. <br /> To our knowledge there are no known threatened or endangered species in the exact area of the <br /> proposed augmentation reservoir. During the site visit to the location, no raptor nests and or <br /> prairie dog towns were observed within the immediate vicinity. CPW understands that the <br /> project will involve excavating a pipeline to the Huerfano River to pump water into the <br /> Reservoir. CPW would like to offer the following comments for working near or around any <br /> waterway to reduce sedimentation, stream bank erosion, and riparian habitat destruction. <br /> Aquatic BMPs: <br /> • Drainages should be crossed perpendicular to the flow of the stream, <br /> • Contain excavated dirt that has the potential for sedimentation via wind, high flow or other <br /> means, <br /> • The width of construction should be minimized within the 100-year floodplain, <br /> • Stream bank, wetland restoration/improvement should be performed, where necessary, and; <br /> • Vehicle and equipment crossing of creeks/streams should be made in locations that will cause the <br /> least erosion of banks and sedimentation. <br /> Aquatic Nuisance species <br /> If heavy equipment that is being used for this project has previously been used in any other body of water, <br /> i.e.,(stream,river, lake, reservoir, pond, or wetland),the following disinfection practices should be used <br /> prior to construction to prevent the spread of Aquatic Nuisance Species, e.g.,(New Zealand mud snails, <br /> zebra snails,quagga mussels, Eurasian water milfoil,whirling disease, etc)The disinfection practice or <br /> 050 <br />