Vegetation Management and Maintenance Plan - Watsonville ...

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Biotic Resources Group Biotic Assessments Resource Management Permitting Draft Watsonville Wetlands Trail System Vegetation Management and Maintenance Manual Prepared for: City of Watsonville Attn: Bob Geyer Michelle Templeton Prepared by: Biotic Resources Group Kathleen Lyons, Plant Ecologist With George McMenamin Restoration Ecologist July 27, 2007 2551 S. Rodeo Gulch Road #12 Soquel, CA 95073 (831) 476-4803 Fax (831) 476-8038
TABLE OF CONTENTS 1.0 INTRODUCTION 1.1 Study Methodology 1 2.0 INTRODUCTION TO WEEDS 2.1 State Noxious Weeds and Threats 7 2.2 Cal-IPC Invasive Plants and Threats 8 2.3 Problems for Trail Maintenance and Land Stewardship 8 2.4 Invasive Weeds Within the VMMM Project Area 8 3.0 INVASIVE WEED MANAGEMENT 3.1 Invasive Weed Control Techniques 14 3.2 Priority Treatment Areas 29 3.3 Implementation Schedule and Adaptive Management 31 4.0 RIPARIAN AND WETLAND MITIGATION/RESTORATION AREA MAINTENANCE 4.1 Riparian and Wetland Mitigation and Restoration Sites 39 4.2 Maintenance Activities 41 TABLES 1. Ratings and Guidelines for Action for California Noxious Weeds 7 2. Categories of Invasive Plants, California Invasive Plant Inventory 8 3. Invasive Weeds of Management Concern 10 4. Levels of Invasive Weed Infestations and Potential Control Techniques 21 5. Typical Flowering Period of Invasive Weeds 27 6. Plant Species Suitable for Revegetation within VMMM Project Area 28 7. Invasive Weed Treatment – Yearly Implementation Schedule 32 8. Upper Struve Slough Mitigation Plantings 39 9. Upper Watsonville Slough Mitigation Plantings 40 10. Middle Watsonville Slough Restoration Plantings 40 11. Lower Struve Slough Mitigation Plantings 40 FIGURES 1. Watsonville Slough Trails – Project Area 3 2. Vegetation Types, 1 of 3 4 3. Vegetation Types, 2 of 3 5 4. Vegetation Types, 3 of 3 6 5. Distribution of Invasive Weeds, 1 of 3 11 6. Distribution of Invasive Weeds, 2 of 3 12 7. Distribution of Invasive Weeds, 3 of 3 13 8. Priority Treatment Areas, 1 of 3 36 9. Priority Treatment Areas, 2 of 3 37 10. Priority Treatment Areas, 3 of 3 38 ________________________________________________________________________ Vegetation Management and Maintenance Manual Draft i July 27, 2007
Page 1: Draft Watsonville Wetlands Trail Sy
Page 5 and 6: CHAPTER 1.0 INTRODUCTION The Watson
Page 11 and 12: CHAPTER 2.0 INTRODUCTION TO WEEDS W
Page 13 and 14: assigned to each species. This rank
Page 18 and 19: CHAPTER 3.0 INVASIVE WEED MANAGEMEN
Page 20 and 21: General Rules for Grubbing • If t
Page 22 and 23: whipping is critical. However, loca
Page 24 and 25: applications will be needed to cont
Page 26 and 27: Table 4. Levels of Invasive Weed In
Page 32 and 33: 3.1.9 Active Revegetation Within th
Page 34 and 35: In addition, isolated patches of wi
Page 36 and 37: Table 7. Invasive Weed Treatment -
Page 38 and 39: Table 7. Invasive Weed Treatment -
Page 43 and 44: CHAPTER 4.0 RIPARIAN AND WETLAND MI
Page 45 and 46: Table 11. Lower Struve Slough Mitig
Page 47 and 48: Each year’s annual monitoring rep
Page 49 and 50: APPENDIX A Invasive Weeds within th
Page 51 and 52: WILD MUSTARD Brassica ssp. DISTINCT
Page 53 and 54:
BULL THISTLE Cirsium vulgare DISTIN
Page 55 and 56:
FENNEL Foeniculum vulgare DISTINCTI
Page 57 and 58:
HARDING GRASS Phalaris aquatica REE
Page 59 and 60:
CURLY DOCK Rumex crispus DISTINCTIV
Page 61 and 62:
APPENDIX B Native Plants within the
Page 63 and 64:
CALIFORNIA BUCKEYE Aesculus califor
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BLACK COTTONWOOD Populus balsamifer
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MUGWORT Artemisia douglasiana DISTI
Page 69 and 70:
CALIFORNIA BLACKBERRY Rubus ursinus
Page 71 and 72:
COMMON RUSH Juncus patens BOG RUSH
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APPENDIX C Volunteer Projects Veget
Page 75 and 76:
DESCRIPTION OF WORK VOLUNTEER PROJE
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Page 79 and 80:
Page 81 and 82:
APPENDIX D Mitigation Area Maps Veg
Page 83 and 84:
APPENDIX E Bucket Watering System V
Page 85:
Georges' Bucket Watering System For
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