URBAN FOREST MASTER PLAN - Laserfiche WebLink

CITY OF PLEASANTON URBAN FOREST MASTER PLAN | vii TABLE OF CONTENTS Figure 1-7. London Plane Trees along Bernal Ave that have survived many years without irrigation .................26 Figure 1-8. City Departments, Contractors and Utilities Responsible for Managing the Urban Forest ..........................30 Figure 1-9. Estimated Cost for Achieving City's 25% Neighborhood Canopy Cover Goal with a Mixed Private / Public Approach .............................................................................37 Figure 2-1. 1880 Habitat map overlay showing where the historic marsh complex existed before the City was developed ........................................................................................45 Figure 2-2. Historic photograph of Pleasanton showing scattered oaks and other trees ..................................................46 Figure 2-3. Paired aerial images from 1939 and 2009 showing the substantial land use transformation within Pleasanton. ....47 PART 2 TECHNICAL ASSESSMENT 1 URBAN FOREST MANAGEMENT PRACTICES ...............86 1.1 Introduction ..............................................................................87 1.2 City Resources .........................................................................88 1.2.1 Budget ......................................................................................88 1.2.2 Funding Pleasanton’s Future Urban Forest Goals ...92 1.2.3 Staffing ......................................................................................98 1.2.4 Annual Tree Service Data................................................102 1.3 Management Practices ........................................................104 1.3.1 Tree Planting .......................................................................104 1.3.2 Establishment Care ...........................................................106 1.3.3 Tree Pruning .........................................................................108 1.3.4 Infrastructure Conflicts .....................................................110 1.3.5 Tree Removal .......................................................................112 1.3.6 Urban Wood Reuse ...........................................................113 1.3.7 Tree Risk Inspections ........................................................115 1.3.8 Tree Maintenance Responsibilities ..............................115 2 STATUS OF THE URBAN FOREST (PUBLIC AND PRIVATE TREES) ........................................116 2.1 Historical Context ..................................................................117 2.2 Tree Canopy Assessment ...................................................117 2.3 Canopy Cover Assessment ................................................118 2.4 Increasing Canopy Cover ...................................................126 2.4.1 Private Property ................................................................128 2.5 Species Diversity (City Managed Trees only) ................129 2.6 DSH Distribution ....................................................................132 2.7 Tree Condition and Relative Performance Index ..........133 3 CANOPY COVER AND EQUITY .....................................138 3.1 Why Canopy Cover Matters ...............................................139 3.1.1 Urban Heat Islands ............................................................139 3.1.2 CalEnviroScreen .................................................................141 3.1.3 Tree Equity Score ...............................................................142 3.2 What Environmental Equity Means to Pleasanton .......143