Proceedings California Invasive Plant Council Symposium 2009 “Wildland Weed Management on the Leading Edge” 1 2 Proceedings California Invasive Plant Council Symposium Volume 13: 2009 “Wildland Weed Management on the Leading Edge” Visalia, California October 8-10, 2009 3 These Proceedings are available online at www.cal-ipc.org. Contact Cal-IPC at [email protected] California Invasive Plant Council 1442-A Walnut St. #462 Berkeley, CA 94709 Copyright © 2009 by the California Invasive Plant Council Cal-IPC is a 501(c)3 nonprofit organization whose mission is to protect California’s wildlands from invasive plants through research, restoration, and education. Recommended citation format: Demetry, Athena. 2009. From foothills grasslands to alpine peaks: Managing weeds at the leading edge in Sequoia and Kings Canyon National Parks, Proceedings of the California Invasive Plant Council Symposium. 13:pg. Cal-IPC, Berkeley, CA. The views and opinions expressed in the articles of this publication do not necessarily reflect the position of the California Invasive Plant Council. On the cover: Yellow starthistle dooms a bee at Mount Diablo State Park in Contra Costa County. Photo by Cyndy Shafer. Cal-IPC Photo Contest 2009. Title page: Iceplant Bash – Attacking iceplant at Point Arena Lighthouse Headlands, Mendocino County. Photo by Joanne Abreu, submitted by Mario Abreu. Cal-IPC Photo Contest 2009. 4 Table of Contents * Indicates presenting author in multi-author papers. Keynote Speaker 1 California’s Fading Wildflowers: Lost Legacy and Biological Invasions Richard Minnich, University of California, Riverside, Riverside, CA Weed Management on the Leading Edge 1 From foothills grasslands to alpine peaks: Managing weeds at the leading edge in Sequoia and Kings Canyon National Parks Athena Demetry, Sequoia and Kings Canyon National Parks Managing the leading edge: Landscape-level control of invasive plant spread in the Sierra and beyond Wendy West, University of California Cooperative Extension The roles of animals and disturbance in plant invasion: Lessons from the Carrizo Plain Paula Schiffman, California State University-Northridge Posters 10 Student Posters 10 Evidence that plant-associated methylotrophic bacteria aid in grassland and coastal sage scrub restoration Irina Irvine*, University of California-Irvine & Santa Monica Mountains National Recreation Area, Marti Witter, Santa Monica Mountains NRA; Christy Brigham, Santa Monica Mountains NRA and Jennifer B.H. Martiny, UC Irvine; Katharine Suding, UC Berkeley Genetic identity and phylogenetic relationships of invasive brooms in California Annabelle Kleist* and Marie Jasieniuk, University of California-Davis Assessing the effects of Foeniculum vulgare on seedling germination, soil legacy effects and restoration strategies Heather Liu, University of California-Santa Barbara Evaluating the seed bank of a disturbed site to determine potential ecological restoration strategies Cory Olesen*, Daniel Doran, and Carla D’Antonio. University of California-Santa Barbara, Santa Barbara, CA Comparing the competitive ability of Elymus multisetus seedlings collected from invaded and uninvaded habitats C.J. Rowe* and Elizabeth Leger, University of Nevada, Reno Adapting an agricultural technique for use in wildlands: Testing variations on solarization for invasive control in a severely disturbed plant community Kristin A. Weathers*, Edith B. Allen and Milton E. McGiffen, University of California-Riverside Contributed Posters 25 Time and temperature requirements for thermal death of seeds of yellow starthistle (Centaurea solstitialis L.) Stacy Betts, Carrie Tuell-Todd and Ruth M. Dahlquist, Fresno Pacific University and James J. Stapleton*, University of California Statewide Integrated Pest Management Program Invasive aquatic weeds: Implications for mosquito and vector management activities Charles E. Blair, Mosquito and Vector Management District of Santa Barbara County & Southern California Vector Control Environmental Taskforce Using smart phones and citizen scientists to map invasive species and track spread over time Christy Brigham, Santa Monica Mountains NRA*; Eric Graham, Sasank Reddy, Eric Yuen and Olmo Maldonado, University of California-Los Angeles Camp Pendleton’s rapid response Non-native Invasive Plant Species Program Meghan F. Dinkins* and Deborah Bieber. MCB Camp Pendleton iii Mapping weeds from the ground, the air or beyond Margot Griswold*, Dane Williams, Brian Schmid and Rob Robinson, NewFields Agricultural and Environmental Resources, LLC Diluting the hybrids: How much is too much? Ingrid Hogle, San Francisco Estuary Invasive Spartina Project*; Debra Ayres, Don Strong and Laura Feinstein, University of California-Davis Maintaining riparian habitats after initial invasive plant treatments on Camp Pendleton Benjamin M. Lardiere* and Deborah Bieber, MCB Camp Pendleton Sinapis alba seed meal as a pre-emergent control for French broom (Genista monspessulana) seedlings Ken Moore*, Wildlands Restoration Team and Carla Bossard, St. Mary’s College of California Birds and invasive plants: A review of interactions and management considerations Hildie Spautz, AECOM Design + Planning and Elizabeth Brusati, Cal-IPC Timing of application influences the efficacy of glyphosate on giant reed (Arundo donax) David Spencer*, USDA ARS Exotic & Invasive Weeds Research Unit, Greg Ksander, USDA ARS Exotic & Invasive Weeds Research Unit, Wailun Tan, University of California-Davis and Pui-Sze Liow, USDA ARS Exotic & Invasive Weeds Research Unit Tulare County WMA cost-share invasive weed control J.L. Sullins*, UC Cooperative Extension; Steve Wright, UC Cooperative Extension; Elizabeth Palmer, USDA-NRCS Active and passive restoration of fountain thistle habitat following jubatagrass removal Don Thomas, San Francisco Public Utilities Commission Weed control and habitat restoration in saline habitat David Thomson, San Francisco Bay Ecotone Vegetation R&M Planting the seed: Student participation in habitat enhancement Matthew J. Yurko*, California Coastal Commission and Jennifer Naegele*, Orange County Parks Student Paper Contest 43 Evaluating the potential for spread of an invasive forb, Limonium ramosissimum, in San Francisco Bay salt marshes Gavin Archbald* and Katharyn Boyer, San Francisco State University Experimental test of different treatments for control of terracina spurge (Euphorbia terracina): Comparison of hand pulling, glyphosate, and chlorsulfuron Erin Avina*, California State University-Northridge & National Park Service, Ann Dorsey and Christy Brigham, National Park Service Exotic grass and forb control in a California grassland Sara Jo Dickens* and Edith Allen, University of California, Riverside Urban invasions: Analyzing recovery of habitat fragments in San Francisco following the removal of Genista monspessulana and Delairea odorata Rachel Kesel, University College London Soil moisture stress tolerance of the leading biofuel Miscanthus giganteus is similar to the invasive weed Arundo donax Jeremiah Mann*, Jacob Barney, Guy Kyser and Joe DiTomaso, University of California, Davis Evening the odds: Evaluating the combined effects of nitrogen fertilization and exotic annual removal on native annual forbs in the Colorado Desert Heather Schneider* and Edith Allen, University of California, Riverside iv DPR Laws & Regulations 61 Laws and regulations pertaining to the sale and movement of noxious weeds in California Amber Morris, California Department of Food & Agriculture The importance of vouchering for plant identification Fred Hrusa and Dean Kelch*, California Department of Food & Agriculture Yeah, but what would Aldo think? A look at herbicide ecotoxicology Joel Trumbo, California Department of Fish & Game New Tools 63 Developments in Herbicide Ballistic Technology James Leary, University of Hawaii at Manoa WeedSearch: A new tool for estimating time and cost of eradication Ramona Robison* and Gina Darin*, ICF Jones & Stokes Solar tents: A new twist on an established method for inactivating plant propagative material James J. Stapleton*, University of California Statewide IPM Program Climate Change: Impacts and Responses 69 Interactions between fire and plant invasions under a warming climate in the Sierra Nevada Bioregion Matt Brooks, US Geological Survey The promise and pitfalls of species distribution modeling to predict future invasions Nicole Heller, Climate Central Climate change and protecting biological diversity: Implementation of California’s report on adaptation strategy Rick Rayburn, California State Parks Weed Management on a Large Scale 73 Density, compensation and the persistence of yellow starthistle populations across California Sarah Swope*, University of California, Santa Cruz & USDA Exotic and Invasive Weeds Research Unit; Ingrid Parker, University of California, Santa Cruz Team Arundo del Norte: Lessons learned from a coordinated approach to weed management Mark Newhouser*, Sonoma Ecology Center (SEC), Deanne DiPietro, SEC, David Spencer, USDA, Ron Unger, EDAW, Bryan Sesser, SEC and Zhahai Stewart, SEC Lots of land, lots of weeds, and little time: Large scale baseline weed mapping Erin McDermott* and Heath Bartosh, Nomad Ecology PG&E’s approach to management of noxious weeds in Sierra Nevada watersheds and expanding our invasive species efforts through WMA partnerships Michael E. Fry, Sr., Pacific Gas & Electric Company Partnerships & Incentives 81 Can a spiny shrub prick the collective ecological conscience? Tara Athan*, Mendocino Coast Cooperative WMA and Peter Warner,