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CHAPTER 3: EXISTING CONDITIONS IN THE STUDY AREA <br /> soils, hydrology) required to be classified alternatives.The wildlife connectivity criteria <br /> as a wetland or may differ in size. Given the assesses if the alternative has the potential to <br /> coarse scale of NWI it is important to note improve the availability of wildlife habitat and <br /> that it provides a general location of potential connectivity. <br /> wetlands but cannot accurately predict how No existing wildlife fencing occurs within <br /> many wetlands or total acres of wetlands could the study areas of Alternatives 1 through 5. <br /> be impacted by any of the alternatives. WSDOT's Wildlife Crossing Structures dataset <br /> Also, as presented in Appendix B, Map 2A, includes one wildlife crossing structure that <br /> WSDOT environmental mitigation sites are occurs within the study area of Alternatives 1 <br /> located along and within the 1-90 right of way, through 3 near milepost 81 on 1-90 at the Cle <br /> and will be impacted. Elum River bridge. <br /> Fish Passage WSDOT's Habitat Connectivity Investment <br /> Priorities dataset maps a 2-mile segment <br /> The Washington Department of Fish and of I-90 within the study area of Alternatives <br /> Wildlife (WDFW) Fish Passage Barrier dataset 1 through 3 as low priority for habitat <br /> identifies one mapped partial fish passage <br /> connectivity investment.The remaining 14 <br /> barrier within the study area of each miles of Alternatives 1 through 3 are ranked <br /> alternative. <br /> as high priority. Roadways included in <br /> Alternatives 4A, 4B, and 5 are not ranked.The <br /> 3.4.2 Wildlife Connectivity graphic in Appendix B, Map 4E, illustrates the <br /> The study areas encompass a variety of severity of carcass removal in the study area. <br /> habitats that support fish and wildlife species. <br /> Wildlife connectivity is currently fragmented by The study area for Alternatives 1 through 3 <br /> borders or bisects WDFW Priority Habitat and <br /> roadways within the study areas for each of the <br /> Species areas including the Upper Yakima <br /> 1 <br /> - r <br /> I' <br /> 7 <br /> •L <br /> A. - w <br /> VOLUME 1: FEASIBILITY REPORT I-90 Corridor-Easton to Cle Elum Feasibility Study 143 <br />