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Appendix E Biological Resources Technical Memorandum

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Appendix E Biological Resources Technical Memorandum APPENDIX E Draft Biological Resources Technical Report Los Angeles Zoo Vision Plan City of Los Angeles This Page Intentionally Left Blank. Los Angeles Zoo Vision Plan City of Los Angeles APPENDIX E Draft Biological Resources Technical Report Los Angeles Zoo Vision Plan City of Los Angeles This Page Intentionally Left Blank. Los Angeles Zoo Vision Plan City of Los Angeles Draft Biological Resources Technical Report Los Angeles Zoo Vision Plan Prepared by: Wood Environment and Infrastructure Solutions, Inc. 104 West Anapamu Street, Suite 204A Santa Barbara, CA 93101 Prepared for: City of Los Angeles Department of Public Works, Bureau of Engineering, Environmental Management Group 1149 South Broadway, Suite 600, Mail Stop 939 Los Angeles, CA 90015-2213 February 2020 Draft Biological Resources Technical Report This Page Intentionally Left Blank 2 February 2020 Draft Biological Resources Technical Report TABLE OF CONTENTS 1.0 Executive Summary ................................................................................ 1 2.0 Introduction .......................................................................................... 5 2.1 Purpose of the Report .................................................................................................5 2.2 Project Location ..........................................................................................................5 3.0 Project Description .............................................................................. 10 4.0 Environmental Setting .......................................................................... 13 4.1 Regional Setting ........................................................................................................ 14 4.2 Project Area and/or Site Conditions ......................................................................... 15 5.0 Regulatory setting ................................................................................ 58 5.1 Federal Regulations ................................................................................................. 58 5.2 State Regulations ..................................................................................................... 59 5.3 Local Regulations ..................................................................................................... 60 6.0 Methodology ........................................................................................ 62 6.1 Field Survey Methodology ....................................................................................... 62 6.2 Vegetation Communities Mapping .......................................................................... 64 6.3 Thresholds of Significance ....................................................................................... 65 7.0 Environmental Impact Analysis ........................................................... 66 8.0 Mitigation Meaures ...............................................................................72 9.0 Significant Unavoidable Adverse Impact ............................................... 81 10.0 Potential Effects on Zoo Animals .......................................................... 82 11.0 References ........................................................................................... 85 Los Angeles Zoo Vision Plan i City of Los Angeles Draft Biological Resources Technical Report List of Tables Table 1. Vegetation Communities and Land Use 17 Table 2. Potentially Occurring Special-status Species 29 Table 3. Bat Roost and Forage Habitat 49 Table 4. City of Los Angeles General Plan Open Space and Conservation Element Relevant Policies 61 List of Figures Figure 1. Regional Location ................................................................................................ 6 Figure 2. Project Vicinity .................................................................................................... 8 Figure 3. Vegetation Communities ................................................................................... 19 Figure 4. Observed Species ............................................................................................... 27 Figure 5. Delineation of Jurisdictional Waters ............................................................... 56 List of Appendices Appendix A Observed Species Appendix B Jurisdictional Determination Data sheets Appendix C Photographs ii February 2020 Draft Biological Resources Technical Report Acronyms AWA Animal Welfare Act BTR Biological Resources Technical Report CDFW California Department of Fish and Wildlife CE California Endangered CEQA California Environmental Quality Act CESA California Endangered Species Act CFR Code of Federal Regulations City City of Los Angeles CNPS California Native Plant Society CRPR California Rare Plant Ranking CT California Threatened CWA Clean Water Act dbh Diameter at Breast Height EIR Environmental Impact Report ESA Endangered Species Act ° F ° Fahrenheit FE Federally Endangered FESA Federal Endangered Species Act FT Federally Threatened GIS Geographic Information System GPS Global Positioning System I-5 Interstate Highway 5 (Golden State Freeway) JD Jurisdictional Delineation LA Los Angeles LAMC City of Los Angeles Municipal Code MBTA Migratory Bird Treaty Act OHWM Ordinary High Water Mark PRC Public Resources Code Project Vision Plan Project RAP Los Angeles Department of Recreation and Parks SC State Candidate sp. Species (singular) spp. Species (plural) SR-134 California State Route 134 (Ventura Freeway) USFWS United States Fish and Wildlife Service USGS United States Geological Survey Wood Wood Environment and Infrastructure Solutions, Inc. WUS Waters of the United States WWBG Western Working Bat Group Zoo Los Angeles Zoo and Botanical Garden Los Angeles Zoo Vision Plan iii City of Los Angeles Draft Biological Resources Technical Report This Page Intentionally Left Blank iv February 2020 Draft Biological Resources Technical Report 1.0 EXECUTIVE SUMMARY The Los Angeles Zoo and Botanical Gardens (Zoo) has prepared a Draft Los Angeles Zoo Vision Plan (Vision Plan) that would guide phased development and expansion of Zoo facilities over the next 20 years. Implementation of the Vision Plan (Project) would result in comprehensive redesign and redevelopment of the Zoo to update or replace outdated buildings and infrastructure, including new exhibits, upgraded guest amenities, improved pedestrian and service traffic flow and modernized administrative, conservation and service facilities. Most of the Zoo grounds (about 76 percent) are devoted to developed public spaces (including access pathways, exhibits, service, and parking) and administrative, conservation, and service facilities supporting the Zoo’s mission. About 14 percent of the Zoo grounds contain underutilized or undeveloped land, including California native habitats, with the remainder serving as a transition zone between developed and undeveloped lands. To gain understanding of the current status of native California biological resources that could be impacted by implementation of the Project, Wood Environment & Infrastructure Solutions, Inc. (Wood) performed a literature review and conducted biological resource assessments, including a jurisdictional delineation investigation into potential waters of the United States (U.S.) and a focused rare plant survey. Literature review indicates the potential for 21 sensitive plant species and 15 sensitive wildlife species to occur onsite based on regional distributions, habitat, and other factors. Biological resource assessments of California native plant and wildlife species in the field were largely focused on the currently underutilized or undeveloped portions of the Zoo grounds. These areas are mostly located on the north side of the Zoo in the California planning area of Phase 1 and west side in the Africa planning area of Phase 3. Though captive zoo animals are not considered biological resources subject to this analysis, an evaluation of potential effects on Zoo residents is provided for disclosure and planning purposes. With the Zoo ongoing management of Zoo residents in response to construction, adverse effects would not occur. Wood biologists conducted an initial reconnaissance survey of the site, mapping native and nonnative vegetation communities, identifying potential jurisdictional features, and noting sensitive biological resources. These surveys were supplemented by other field work and observations by the EIR team, particularly the two days of detailed tree surveys perform by a certified arborist and Wood staff. Three native vegetation communities were identified, including coast live oak woodland, laurel sumac shrubland, and a small California sagebrush coastal sage scrub community. A largely non-native woodland of eucalyptus, pines and other mostly non-native species forms a semi-cultivated and naturalizing buffer between native habitats and developed parts of the Zoo. Areas of non-native annual grassland also occur. Up to six sensitive plant species were observed, the federal and state listed as Endangered Nevin’s Los Angeles Zoo Vision Plan 1 City of Los Angeles Draft Biological Resources Technical Report barberry, and the Southern California black walnut ranked by the California Native Plant Society as a plant of limited distribution, fairly threatened in California. This tree and large numbers of coast live oak trees that exists are identified by the City of Los Angeles protected tree species, along with two large shrubs which are proposed for protection,
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