Vegetation Management and Maintenance Plan - Watsonville ...

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Table 4. Levels of Invasive Weed Infestations and Potential Control Techniques, Watsonville Wetlands Trail System Project Area Common Name Scientific Name Invasive Weed Ranking Infestation Threshold Growth Pattern Potential Control Techniques Himalaya berry Curly dock Rubus discolor Low Greater than 50 plants or patch greater than 100 sq. ft. Perennial Spread by seeds, spreading vines a. Hand cut, remove rootstock. b. Establish a controllable perimeter around the edge of each large patch. c. Hoe young plants. Management Goal: Retain existing patches over first 5 years; reduce patch size to
Table 5. Typical Flowering Period of Invasive Weeds, Watsonville Wetlands Trail System Project Area Common Name Scientific Name Jan Feb Mar Apr May Jun July Aug Sept Oct Nov Dec Cape ivy Delaireia odorata English and Algerian ivy Hedera helix, H. canariensis Bermuda buttercup Oxalis pes-caprae Eucalyptus Eucalyptus ssp. Wild Mustard Brassica ssp. Wild radish Raphanus sativa Acacia Acacia spp. Harding grass/ canary grass Phalaris aquatica, P. arundinacea French broom Genista monspessulana Poison hemlock Conium maculatum Fennel Foeniculum vulgare Kikuyu grass Pennisetum clandestinum Bristly ox-tongue Picris echioides Himalaya berry Rubus discolor Curly dock Rumex crispus Iceplant Carpobrotus edulis Italian thistle Slender-flowered thistle Carduus pycnocephalus Carduus tenuiflorus Jubata and pampas grass Cortederia jubata, C. selloana Yellow star thistle Centaurea solstitialis Bull thistle Cirsium vulgare Vegetation Management and Maintenance Manual Draft 27 July 27, 2007
Page 1 and 2: Draft Watsonville Wetlands Trail Sy
Page 3 and 4: TABLE OF CONTENTS 1.0 INTRODUCTION
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 28 and 29: 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
Page 65 and 66: BLACK COTTONWOOD Populus balsamifer
Page 67 and 68: MUGWORT Artemisia douglasiana DISTI
Page 69 and 70: CALIFORNIA BLACKBERRY Rubus ursinus
Page 71 and 72: COMMON RUSH Juncus patens BOG RUSH
Page 73 and 74: APPENDIX C Volunteer Projects Veget
Page 75 and 76: DESCRIPTION OF WORK VOLUNTEER PROJE
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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