Proceedings California Invasive Plant Council Symposium 2010
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Proceedings California Invasive Plant Council Symposium 2010 “Weeds and Wildlife: Impacts and Interactions” Proceedings California Invasive Plant Council Symposium Volume 14: 2010 “Weeds and Wildlife: Impacts and Interactions” Ventura, California October 13-16, 2010 These Proceedings are available online at www.cal-ipc.org. Contact Cal-IPC at [email protected] or (510) 843-3902 California Invasive Plant Council 1442-A Walnut St. #462 Berkeley, CA 94709 Copyright © 2010 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. Cal-IPC is an equal-opportunity employer. Design and production: Dale Smith Recommended citation format: Brigham, C., E. Graham, and E. Yuen. 2010. There’s an app for that: Tracking weeds with mobile technology. Proceedings of the California Invasive Plant Council Symposium. 14:1. 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: Karen Flagg of Growing Solutions describes a project to restore native plants at the Foothill Open Space preserve on the Santa Barbara field trip. Photo: John Ekoff On the title page: Coppery iceplant doesn’t make the best nesting habitat on Anacapa Island. Photo: John Knapp, The Nature Conservancy Table of Contents * Indicates presenting author in multi-author papers Keynote Speaker 1 Weeds and wildlife, impacts and interactions: A case study from Santa Cruz Island, California Scott Morrison, The Nature Conservancy Trends in Early Detection Mapping 1 There’s an app for that: Tracking weeds with mobile technology Christy Brigham*, Santa Monica Mountains National Recreation Area; Eric Graham, Eric Yuen, University of California, Los Angeles BAEDN, LAEDN, MAEDN, SAEDN, California EDN? Can we build a coordinated network of early detection networks to protect California from new invasions? Daniel Gluesenkamp*, Audubon Canyon Ranch; Andrea Williams, Marin Municipal Water District Map the Spread! Cal-IPC’s statewide weed mapping for early detection and strategic management Dana Morawitz* and Doug Johnson, California Invasive Plant Council DPR Laws & Regulations 8 Risk management and liability insurance in habitat restoration and weed control Jeanette Heinrichs, Van Beurden Insurance Wildlife protection during habitat restoration and weed control Natasha Lohmus, California Department of Fish and Game The inspection process: What does the Agricultural Commissioner look for? Rudy Martel, Ventura County Agricultural Commissioner’s Office Rules to follow for the use of aquatic herbicides in California Mike Blankinship, Blankinship and Associates Student Paper Contest 10 Herbicide treatment of an invaded grassland following a prescribed fire Michael D. Bell*, Sara Jo Dickens, Heather Schneider, Kai Palenscar and Lynn Sweet, University of California-Riverside Resident community species diversity and invader genetic diversity do not affect the establishment of an annual exotic grass Heather G. McGray*, University of California-Irvine; Katharine N. Suding, University of California-Berkeley The effects of climate change on the growth of barbed goatgrass (Aegilops triuncialis) in serpentine grasslands Elise Morrison*, Amy Battaglia, and Barbara Going, University of California-Davis Ecological correlates of fountain grass (Pennisetum setaceum) in California coastal sage scrub Lynn Sweet* and Jodie S. Holt, University of California-Riverside Origins of invasive French broom Annabelle Kleist* and Marie Jasieniuk, University of California-Davis Exotic plant invasion interrupts chaparral ecosystem resistance, resilience and succession Sara Jo Dickens*, Edith B. Allen, Louis S Santiao and David E Crowley, University of California-Riverside iii Managing Invasive Plants 26 Strategic planning for control of Arundo donax and restoration of riparian vegetation in semi-arid landscapes: A case study from the lower Santa Clara River, CA Bruce Orr* and Zooey Diggory, Stillwater Sciences; Tom Dudley, University of California, Santa Barbara Euphorbia terracina: Why worry? Ann Dorsey*, Erin Aviña, and Christy Brigham, Santa Monica Mountains National Recreation Area Testing efficacy of control methods of the invasive shrub Cytisus scoparius in forest habitat of the Pacific Northwest Karen A. Haubensak*, Northern Arizona University; Ingrid M. Parker, Sara Grove, Stephanie Kimitsuka, University of California, Santa Cruz; Jeffrey R. Foster, Nancy F. Benson, Fort Lewis Department of Forestry Solar tents demonstrated to be effective in several California climatic areas for inactivating plant propagative material Carl E. Bell, University of California Cooperative Extension; Kristin A. Weathers, Milton E. McGiffen, University of California-Riverside; James J. Stapleton*, UC Kearney Agricultural Center Balancing Management for Invasive Plants & Wildlife 33 How will tamarisk biocontrol affect wildlife? Tom Dudley*, Mike Kuehn, University of California-Santa Barbara; Steven Ostoja, U.S Geological Survey; Heather Bateman, Arizona State University; Matthew Brooks, U.S Geological Survey Effects of Sahara mustard, Brassica tournefortii, on the biodiversity of a desert landscape Cameron W. Barrows and Michelle Murphy*, University of California, Riverside Impacts of California’s invasive plant species on invertebrate fauna: A review Denise A. Knapp, University of California, Santa Barbara Invasive Plant Impacts to Wildlife 37 Effects of an exotic herbaceous perennial, Cynara cardunculus, on small mammals and songbirds Sandra A. DeSimone* and Scott E. Gibson, Audubon’s Starr Ranch Sanctuary Controlling the invasive offspring of historic olive trees on Santa Cruz Island, Channel Islands National Park James R. Roberts, Clark Cowan, Rocky Rudolph, and Paula Power*, Channel Islands National Park The Bay Area Early Detection Network (BAEDN) Andrea Williams*, Marin Municipal Water District; Mike Perlmutter and Aviva Rossi, Bay Area Early Detection Network; Dan Gluesenkamp, Audubon Canyon Ranch Simulating avian weed spread and control strategies: A simulation model of Rhamnus alaternus on Rangitoto Island, New Zealand David Moverley, Te Ngahere Native Forest Management Grazing, Weeds, & Wildlife 45 Targeted grazing for weed and wildlife management Morgan Doran, University of California Cooperative Extension Species composition changes, habitat effects and the role of livestock grazing in improving recovery potential for Ohlone Tiger Beetle in Santa Cruz County Jon Gustafson*, USDA Natural Resources Conservation Service; Grey Hayes, Elkhorn Slough National Estuarine Research Reserve Influence of a large herbivore reintroduction on plant invasions and community composition in a California grassland Brent Johnson, Pinnacles National Monument iv Habitat Restoration 51 Patch-level treatment monitoring: An Invasive Spartina Project end-game strategy Ingrid Hogle, San Francisco Estuary Invasive Spartina Project Pacific Gas and Electric Company’s use of Safe Harbor agreements to enhance habitat for endangered species in the San Francisco Bay Area Mark F. Dedon*, Michael E. Fry, and Peter M. Beesley, Pacific Gas & Electric Company Avoiding inadvertent introductions of the invasive Argentine ants during native plant restoration projects Jessica Wade Shors (Appel), San Francisco Public Utilities District Post-fire recovery plan for Solstice Canyon in Malibu, CA Erin Aviña*, Ann Dorsey, and Christy Brigham, Santa Monica Mountains National Recreation Area The Matilija Dam Ecosystem Restoration Project Craig Zaich and Steven Reinoehl*, Natures Image, Inc. Managing Weeds & Wildlife on the Channel Islands 63 The Anacapa Challenge – ‘Iceplant Free by 2016!’ Sarah Chaney*, Channel Islands National Park; Carolyn Greene, Ken Owen, Channel Islands Restoration Herbicide treatment techniques of Vinca major growing with endangered Galium buxifolium, an island endemic Kathryn McEachern, Katie Chess, USGS-BRD-WERC ; Karen Flagg, Growing Solutions Restoration Education Institute; Ken Niessen, USGS-BRD-WERC; Ken Owen*, Kevin Thompson, Channel Islands Restoration Bringing It All Together 67 Desire, disappointment, surprises, and food webs: Melding conservation and ecological perspectives to better understand animal-invasive plant interactions Rob Klinger, USGS-BRD Understanding research on herbicide impacts: Toxicology resources for today’s habitat restoration worker Susan E. Kegley*, Pesticide Research Institute; Tom Green, IPM Institute of North America; Chuck Benbrook, Karen Benbrook, BCS Ecologic; Paul Jepson, Michael Guzy, Oregon State University; Pierre Mineau, Environment Canada Hey, what are they doing over there? What we can learn from animal and pathogen prevention and control projects John Randall, The Nature Conservancy Student Poster Contest 70 Contrasting effects of Carpobrotus edulis on arthropods in a coastal dune ecosystem Denise A. Knapp* and Zachary Phillips, University of California-Santa Barbara Using native shrubs to control re-establishment of giant reed (Arundo donax) Kai T. Palenscar* and Jodie S. Holt, University of California-Riverside Effects of exotic mustard on native insect communities in California grassland Tadj K. Schreck* and Kailen Mooney, University of California-Irvine Contributed Posters 76 Control of barbed goatgrass in serpentine grasslands Paul A. Aigner* and Rhett J. Woerly, University of California-Davis Predicting the spread of invasive