Appendix D.1 Biological Resources Report - LA City Planning

Appendix D.1 Biological Resources Report

BIOLOGICAL RESOURCES TECHNICAL REPORT Harvard-Westlake School Parking Structure

LDC

LAND DESIGN CONSULTANTS, INC. Land Planning, Civil Engineering, Surveying & Environmental Services

199 South Los Robles Avenue, Suite 250, Pasadena, California 91101 Office 626 ? 578?7000 Fax 626 ? 578? 7373

Biological Resources Technical Report

Harvard-Westlake School Parking Structure

BIOLOGICAL RESOURCES TECHNICAL REPORT Harvard-Westlake School Parking Structure 3701 N. Coldwater Canyon Ave. North Hollywood, CA 91604

Prepared By: LAND DESIGN CONSULTANTS, INC. 199 South Los Robles Avenue, Suite 250,

Pasadena, California 91101

Prepared For: SIRIUS ENVIRONMENTAL

1478 N. Altadena Dr. Pasadena, CA 91107

AUGUST 17, 2011

LDC PROJECT NO. 10003-001

Biological Resources Technical Report

Harvard-Westlake School Parking Structure

SECTION

TABLE OF CONTENTS

PAGE

BIOLOGICAL RESOURCES......................................................................................................1 EXISTING CONDITIONS....................................................................................................................1 Project Site Overview ....................................................................................................................1 Proposed Action .............................................................................................................................1 Biological Resources ......................................................................................................................2

Regional ...............................................................................................................................2 Plant Communities and Wildlife Habitats ...............................................................3 Southern Coast Live Oak/California Walnut Woodland .............................3 Ornamental Landscaping and Disturbed Areas ..........................................3 Ruderal ........................................................................................................4 Sensitive Biological Resources................................................................................4 Sensitive Plant Communities ......................................................................8 Wildlife ....................................................................................................................8 Wildlife Movement Corridors/Habitat Linkages ...................................................10 Wetlands and Waters of the United States and California.....................................12 Natural Community Conservation Plan /Habitat Conservation Plan ....................13

Regulatory Setting .......................................................................................................................13 Federal ...............................................................................................................................13 Federal Endangered Species Act ...........................................................................13 Migratory Bird Treaty Act .....................................................................................14 State ...................................................................................................................................14 California Endangered Species Act.......................................................................14 California Native Plant Protection Act .................................................................14 California Native Plant Society .............................................................................15 Wetlands, Streams and Riparian Habitat ...........................................................................15 Federal ...................................................................................................................15 State .......................................................................................................................16 Local ......................................................................................................................17 Urban Forest..........................................................................................................18

Thresholds of Significance ..........................................................................................................18 IMPACT ASSESSMENT ....................................................................................................................20

Methodology .....................................................................................................................20 ENVIRONMENTAL IMPACTS...........................................................................................................20

Vegetation ..................................................................................................................................20 Wildlife ......................................................................................................................................22 Sensitive Biological Resources.................................................................................................23

Plant Species .................................................................................................................23 Wildlife Species .............................................................................................................23 MITIGATION MEASURES.......................................................................................................24 LEVEL OF SIGNIFICANCE AFTER MITIGATION ............................................................................29

LDC

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Biological Resources Technical Report

Harvard-Westlake School Parking Structure

FIGURES

Cover Photo: Song sparrow on the project site.

1. Site Location/Vicinity Map..................................................................................................................2 2. Coyote Photograph .............................................................................................................................10 3. Mule Deer Photograph .......................................................................................................................11 4. Open Space Network in the Site Vicinity ..................................................................................12 5. Vegetation Impact Map......................................................................................................................21

TABLES

1. Plant Communities on the Harvard-Westlake School Parking Facility Site................................3 2. Sensitive Biological Resources In The Harvard Westlake Site Vicinity................................................... 5 3. Plant Community Impacts on the Harvard-Westlake School Parking Facility Site ..................20

Floral and Faunal Compendium

APPENDIX

LDC

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