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Watershed Assessments by John Hudson

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Southeast Alaska Watershed Coalition; Prince of Wales Project Planning Workshop

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Watershed Assessments by John Hudson

  1. 1. WatershedAssessmentsAn essential tool foreffective watershedrestorationJohn HudsonHabitat Restoration BiologistU.S. Fish and Wildlife ServiceJuneau Fish and Wildlife Field Office Created Wetland Duck Creek, Juneau
  2. 2. A FrameworkforProject Development1. Established geographic scope2. Identify resources3. Assess existing conditions & threats4. Develop solutions (i.e. actions)5. Prioritize actions6. Implement projects7. MonitorAssess: to determine the importance, size, or value of<assess a problem> Nossuk Creek
  3. 3. Pullen Creek,Skagway
  4. 4. Assessment (“Background”)•Historical information•Importance of Pullen Creek • Public perceptions • Economics • Fish and wildlife habitat • Ecosystem values • Current conditions • Fish habitat • HydrologyProblems & Solutions(“Action Plan”)•Problem identification • Known problems • Potential problems•Solutions•Plans • Management • Restoration • Education plans Taiya Inlet Watershed Council, 2006•Current and future Projects
  5. 5. Selected projects Pullen Creek before after Stormwater Mapping and Mgmt. Plans“Healthy Streamside, Healthy Stream” Fish Passage Improvement Brochure
  6. 6. Auke Lake Watershed Assessment TABLE OF CONTENTS 1. Introduction 1.1 Watershed Description 1.2 Geology, Vegetation and Fauna 1.3 History of the Auke Lake Watershed 2. Hydrology, Water Rights and Wetlands 2.1 Auke Lake and Auke Lake Tributaries 2.2 Surface and Ground Water Rights 2.3 Wetlands 3. Fish and Fisheries Habitat 3.1 Fish Populations 3.2 History of Fish Propagation 3.3 Habitat Condition Summary 4. Water Quality 5. Land Use and Lake Management 5.1 Land Ownership 5.2 Land Use Designations 5.3 Zoning 5.4 Lake Management 5.5 Proposed Development in the Watershed 6. Community Uses of the Auke Lake Watershed 6.1 Auke Lake User Survey 6.2 Motorized Watercraft on Auke Lake 6.3 University of Alaska Southeast (UAS) 7. Watershed Condition Summary 8. Watershed Protection and Enhancement Opportunities 9. References 8. AppendicesJuneau Watershed Partnership, 2009
  7. 7. Auke Lake Watershed Assessment Wetlands Fish Habitat Land ownership
  8. 8. Auke LakeWatershed ActionPlanResource Inventory and MappingRecommended Actions:1.Locate wildlife travel corridors2.Assess and map aquatic habitats3.Conduct wetland delineations on borough anduniversity lands4.Examine relationships between habitat,zoning, and proposed development5.Share maps and data with land managers andstakeholders
  9. 9. Fish Passage Inventory &Habitat Assessment in Haines Summer 2012: Upstream Habitat Assessment
  10. 10. Alaska Exotic Plant Information Clearinghouse (AKEPIC)
  11. 11. Montana CreekInvasive Plant Survey(Juneau) Invasiveness ranks > 80 = Extremely Invasive 70-79 = Highly Invasive 60-69 = Moderately Invasive 50-59 = Modestly Invasive 40-49 = Weakly Invasive < 40 = Very Weakly Invasive
  12. 12. Juneau Invasive Plant Species Prioritization: ABC List EDRR—Near Juneau Ideally Assisting Neighboring Communities in the Management Area with Control Efforts, preventing spread to the Juneau area.ABC Species Ranking (0-100) Found in Juneau? How much is in Juneau? Control Ranking ABC Species Ranking (0-100) Found in Juneau? Control RankingA/B Bohemian Knotweed 87 yes + ~34 Acres 7/7 A Leafy Spurge 84 No 9/10 in Juneau Polygonum X bohemicum U,3,4 Euphorbia esula 3,2,4A Japanese Knotweed 87 Yes 1 known 7/7 A *Giant Hogweed 81 No 9/10 location Heracleum mantegazzianum Polygonum cuspidatum U,3,4 3,2,4A Purple Loosestrife 84 Yes 8/10 A American wht.waterlily 80 ? 6/7 Lythrum salicaria 2,2,4 Nymphaea odorata ssp. odorata U,2,4A/B Reed Canarygrass 83 yes + 6/10 A Himalayan Blackberry 77 No 9/10 Phalaris arundinacea 0,2,4 Rubus discolor 2,3,4A Ornamental Jewelweed 82 Yes > 6 locations 5/10 A Scotch broom 69 No 8/10 Impatiens glandulifera 2,1,2 Cytisus scoparius 3,2,3A White Sweetclover 81 Yes One location 8/10 B Pale Yellow/Yellow Flag Iris 66 yes 6/10 Melilotus alba 3,1,4 Iris pseudacorus 0, 2, 4A/B Orange Hawkeed 79 yes + 8/10 B Foxtail Barley 63 Yes? 9/10 Hieracium aurantiacum 3,2,3 Hordeum jubatum 2,3,4A Yellow/ Meadow Hawkweed 79 yes Eagle beach 8/10 A Bull Thistle 61 No 3/10 Hieracium caespitosum 3,2,3 Cirsium vulgare Ten 0,0,3A Cheatgrass 78 Yes 1 known 6/10 C Narrowleaf Hawksbeard 54 No 3/7 Bromus tectorum location 2,0,4 Priority ABC’s Crepis tectorum U,0,3A Canada Thistle 76 No One known 10/10 ? Fall Dandelion/Hawkbit 51 Cirsium arvnese Location 3,3,4 Leontondon autumnalisA European Bird Cherry 74 yes 5/10 C A - invasiveness rank ≥ 70 and Prostate Knotweed 45 ? 7/10 locally rare Prunus padus 0,2,3 Polygonum aviculare 3,2,2A Bird Vetch 73 Yes 3 known 9/10 locations Vicia cracca 3,2,3A Perennial/Moist Sowthistle 73 Yes 4 known 8/10 Sonchus arvensis locations 3,2,4 B - invasiveness rank ≥ 70 andA Garlic Mustard 70 Yes 2 known 7/10 Alliaria petiolata locations 2,2,3 widespreadA Herb Robert 67 yes Threat to forest understory and 5/10 spreading Geranium robertianum 3,0,2A Siberian Pea Shrub Caragana arborescens 66 yes Arboretum + 5/7 U,2,3 C – invasiveness rank <70, rare or widespread.
  13. 13. Summer 2012Early Detection/Rapid ResponseProjectOrange hawkweed(79, B)OrnamentalJewelweed (82, A)BohemianKnotweed (87, B) Montana Creek Watershed
  14. 14. Klawock Watershed Assessments
  15. 15. Klawock Watershed Condition Assessment
  16. 16. Klawock Watershed Condition Assessment - Restoration Opportunities
  17. 17. Klawock WatershedRoad ConditionSurveyFish passage barriers Hatchery Creek Fish Passage Improvement
  18. 18. Taiya Inlet Stream Condition Assessment
  19. 19. Finding your nicheIssues that POWWA has the capacity to address:• Invasive plant management• New growth management in riparian and upland areas• Directing permittee responsible mitigation• Restoration monitoring• Ditch maintenance on state right-of-way• Stormwater management• Fish passage improvement
  20. 20. Thankyou Twelvemile River

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