Invasive Spartina Control Plans for the San Francisco Estuary 2008-2010 Control Seasons June 2008 Invasive Spartina Control Plans for the San Francisco Estuary 2008-2010 Control Seasons Prepared by Erik Grijalva Drew Kerr and Peggy Olofson Olofson Environmental, Inc. for the California State Coastal Conservancy San Francisco Estuary Invasive Spartina Project 2560 9th Street, Suite 216 Berkeley, CA 94710 Revised June 5, 2008 This report was prepared for the California Coastal Conservancy’s San Francisco Estuary Invasive Spartina Pro- ject with funding from the following contributors: California Coastal Conservancy California Wildlife Conservation Board (MOU #99-054-01 and subsequent) Contents CONTENTS Introduction................................................................................................................................................... 1 Program Goals.................................................................................................................................... 1 Shift in Control Program Impacts....................................................................................................... 1 Sub-lethal Herbicide Application to Reduce Clapper Rail Impacts ................................................... 1 Earlier Entry into Clapper Rail Habitats............................................................................................. 4 Spartina Treatment .................................................................................................................. 4 Spartina Monitoring & Mapping ............................................................................................. 4 Response to Newfound Populations................................................................................................... 5 Environmental Compliance ................................................................................................................ 6 CEQA and NEPA..................................................................................................................... 6 Endangered Species Consultation............................................................................................ 6 NPDES Water Quality Permit.................................................................................................. 6 Quality Control, Compliance Monitoring, and Reporting.................................................................. 6 References .......................................................................................................................................... 7 Site 01: Alameda Flood Control Channel, Alameda County........................................................................ 9 Site Partners........................................................................................................................................ 9 Site Description .................................................................................................................................. 9 Treatment Approach......................................................................................................................... 10 Sub-Areas 01a, 01b, 01c and 01d: Alameda Flood Control Channel Mouth, Lower Channel, Upper channel, and Upper Channel (Union City Blvd to Alvarado Blvd) ......................................................................................................................... 10 Sub-Areas 01e and 01f: Shoreline North of AFCC Mouth and Pond 3 (Ecology Marsh)....................................................................................................................... 12 Environmental Compliance .............................................................................................................. 13 Site 02: Bair & Greco Islands Complex, San Mateo County...................................................................... 15 Site Partners...................................................................................................................................... 15 Site Description ................................................................................................................................ 15 Treatment Approach......................................................................................................................... 16 Sub-Areas 02a, 02b, 02c, and 02d: Belmont Slough/Island, North Point, Bird Island, Steinberger Slough/ Redwood Shores, Steinberger Slough South, Corkscrew Slough, Redwood Creek North, Pond B2 North Quadrant, and Pond B2 South Quadrant-Rookery .......................................................................................... 16 Sub-Areas 02e, 02f, 02g and 02h: West Point Slough NW, Greco Island North, West Point Slough SW and East, and Greco Island South................................................. 18 Sub-Areas 02i and 02j: Ravenswood Slough and Mouth and Ravenswood Open Space Preserve .......................................................................................................... 19 Sub-Area 02k: Redwood Creek and Deepwater Slough Restoration..................................... 20 Sub-Area 02l: Inner Bair Island Restoration.......................................................................... 21 Sub-Area 02m: Pond B3- Middle Bair Island Restoration .................................................... 22 Environmental Compliance .............................................................................................................. 23 Site 03: Blackie’s Pasture, Marin County................................................................................................... 25 Site Partners...................................................................................................................................... 25 Site Description ................................................................................................................................ 25 Treatment Approach......................................................................................................................... 26 Sub-Areas 03a and 03b: Blackie’s Creek, Creek Mouth, and Shoreline ............................... 26 Environmental Compliance .............................................................................................................. 27 Site 04: Corte Madera Creek Complex, Marin County............................................................................... 29 State Coastal Conservancy i 2008-2010 Site-Specific Control Plans San Francisco Estuary Invasive Spartina Project June 5, 2008 Contents Site Partners...................................................................................................................................... 29 Site Description ................................................................................................................................ 29 Treatment Approach......................................................................................................................... 30 Sub-Area 04a: Corte Madera Marsh Ecological Reserve ...................................................... 30 Sub-Area 04b: College of Marin Ecology Study Area........................................................... 31 Sub-Areas 04c and 04d: Piper Park East & West .................................................................. 32 Sub-Area 04e: Larkspur Ferry Terminal................................................................................ 33 Sub-Area 04f: Riviera Circle (Larkspur Marina)................................................................... 34 Sub-Area 04g: Creekside Park............................................................................................... 35 Sub-Areas 04h, 04i, 04j: Corte Madera Creek (Upper, Lower, & Mouth) ............................ 37 Sub-Area 04k: Boardwalk Number One (Arkites)................................................................. 39 Sub-Area 04l: Murphy Creek................................................................................................. 40 Environmental Compliance .............................................................................................................. 41 Site 05: Coyote Creek & Mowry Slough Complex, Alameda and Santa Clara Counties........................... 43 Site Partners...................................................................................................................................... 43 Site Description ................................................................................................................................ 43 Treatment Approach......................................................................................................................... 44 Sub-Area 05a: Mowry & Calaveras Marshes ........................................................................ 44 Sub-Area 05b: Dumbarton/Audubon Marsh.......................................................................... 45 Sub-Area 05c: Newark Slough............................................................................................... 46 Sub-Area 05d: LaRiviere Marsh ............................................................................................ 48 Sub-Area 05e: Mayhew’s Landing ........................................................................................ 49 Sub-Area 05f: Coyote Creek (Alameda County) ................................................................... 50 Sub-Area 05g: Cargill Pond (W Hotel).................................................................................