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<br />South Platte River, Chatfield Downstream Channel Improvement Project- Vegetation Management Plan <br /> <br />TABLE OF CONTENTS <br /> <br />I. INTRODUCTION............................................................................................................4 <br /> <br />Background.................................................................................................................... ..4 <br /> <br />Authorization and Acknowledgments...............................................................................5 <br /> <br />Purpose and Need.............................................................................................................6 <br /> <br />Project Approach.............................................................................................................. 6 <br /> <br />Public Invo lvement........................................................................................................... 7 <br /> <br />II. STUDY AREA DESCRIPTION....................................................................................8 <br /> <br />Environmental Setting...................................................................................................... 8 <br /> <br />Watershed Description...................................................................................................... 8 <br /> <br />Threatened and Endangered Species.................................................................................8 <br /> <br />Plant Associations............................................................................................................ 9 <br /> <br />Project Reach Descriptions.............................................................................................1 0 <br /> <br />Reach A) South Platte Park - Bowles Avenue.............................................................1 0 <br />Reach B) Bowles Avenue - West Union Avenue (Pilot Project) ..................................11 <br />Reach C) West Union Avenue - West Oxford Avenue ................................................12 <br />Reach D) West Oxford Avenue - Hampden Avenue....................................................13 <br /> <br />III. VEGETATION MANAGEMENT PLAN ..................................................................14 <br /> <br />Vegetation Management Goals.................................................................................... .14 <br /> <br />Vegetation Removal Phases......................................................................................... .14 <br /> <br />Pilot Project 2007 ..................................................................................................... .14 <br /> <br />Phase 1: 2008-2009 - In-Channel Sandbars & Channel Bottom ................................16 <br />Phase 2: 2010 - Bank Vegetation Near Structures ......................................................16 <br />Phase 3: 2011 and 2012 - Bank Vegetation Between Structures .................................16 <br />Monitoring and Adaptive Management .................................................................... .17 <br /> <br />IV. ENVIRONMENTAL MITIGATION .........................................................................18 <br /> <br />Environmental Mitigation Goals................................................................................... .18 <br /> <br />Reach A) South Platte Park - Bowles Avenue............................................................ .18 <br />Reach B) Bowles Avenue - West Union Avenue (Pilot Project) ..................................18 <br />Reach C) West Union Avenue - West Oxford Avenue ................................................18 <br />Reach D) West Oxford Avenue - Hampden Avenue................................................... .18 <br /> <br />REFERENCES................................................................................................................. .19 <br /> <br />APPENDICES.................................................................................................................. .23 <br /> <br />Appendix A: Acceptable Mitigation Plant Species List.................................................. .23 <br />Appendix B: Threatened, Endangered, and Listed Species Study....................................25 <br />Appendix C: Project Photographs.................................................................................. .27 <br /> <br />Page 3 <br />Final Report - April 30, 2008 <br />