Cal-IPC Symposium 2008

California State University - Chico, October 2-4, 2008

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2008 Weed Alerts

See our Invasive Plant Alerts page for this year's presentation on weeds to watch out for.

New Horizons (invited session)

• Learning to live with invasives we cannot control (5.4 MB). John Randall, The Nature Conservancy, UC Davis.
• Warmer and weedier? Outlook for invasive plants in a changing world (2 MB). Jeffrey S. Dukes, Purdue University.
• The five stages of grief: Invasive plants and the horticulture industry (2.4 MB). Sarah Reichard, University of Washington Botanic Gardens.

Student Paper Contest

• Ecological remote sensing of invasion by perennial pepperweed (7.2 MB). Margaret E. Andrew* & Susan L. Ustin, Dept. of Land, Air, & Water Resources, UC Davis.
• Using airborne remote sensing to map sweet fennel on Santa Cruz Island (5.2). Kyla Dahlin^1,2*, Greg Asner2, Chris Field2, & Rebecca Shaw³. ¹Stanford University, Dept. of Biological Sciences, Stanford, ²Carnegie Institution for Science, Dept. of Global Ecology, Stanford, ³The Nature Conservancy.
• Prioritizing California's A-rated weed populations for eradication (1 MB). Gina M. Skurka Darin1,²* & Steve Schoenig³, ¹Dept. of Plant Sciences, UC Davis, ²CA Dept. of Food & Agriculture, ³CA Dept. of Fish & Game.
• Prescribed fire and exotic plant effects on California grasslands (1.8 MB). S.J.M. Dickens*, E.B. Allen & L.S. Santiago, Dept. of Botany & Plant Sciences, UC Riverside.
• The role of resource heterogeneity on native plant response to invasive plant removal (3.4 MB). Robert Steers* & Edith Allen, Dept. of Botany & Plant Sciences, UC Riverside.
• Removing exotic annual grasses in coastal dunes: Effects on native solitary ground-nesting bees (4 MB). Ellen Tatum, Humboldt State University.

DPR Laws and Regulations (invited session)

• Herbicide registration, reregistration and use tracking: Tools to help make herbicide use safe and effective (350 KB). Denise Webster, CA Dept. of Pesticide Regulation.
• Mock DPR pesticide use monitoring inspection: Application dos and don'ts. Bob Case¹; Chris Christofferson², & John Knapp³, ¹Contra Costa RCD, ²Plumas Nat'l Forest, ³Native Range, Inc.
• Planning the perfect application: Making sure your application is politically correct, ecologically correct and legal (1 MB). Panel discussion

Managing Invasive Plants

• A four-step approach to Himalayan blackberry (Rubus discolor) removal (8.7 MB). Michael Rogner*,River Partners.
• Exotic control and habitat enhancement in Southern Californian native grasslands at an Audubon California preserve (2.1 MB). Sandy DeSimone*, Audubon's Starr Ranch Sanctuary
• Perennial pepperweed (Lepidium latifolium) control in tidal marsh of San Pablo Bay (1.9 MB). Giselle Block¹*, Ingrid Hogle², & Renee Spenst³, ¹U.S. Fish & Wildlife Service, San Pablo Bay National Wildlife Refuge. ²San Francisco Estuary Invasive Spartina Project, ³Ducks Unlimited.

Looking to the Future: Research and Prediction (invited session)

• Assessing research needs for invasive plants in California (3.3 MB). Mona Robison, California Botany & Cal-IPC.
• Follow the weeds: Assessing the risk of future spread (3.0 MB). Elizabeth Brusati, Cal-IPC.
• A new agenda for managing invasive species in California estuaries (1.8 MB). Edwin Grosholz* & Susan Williams, UC Davis.

Research and Assessment

• Effects of nitrogen deposition on vegetation-type conversion in Riversidean sage scrub (1 MB). Edith B. Allen, UC Riverside.
• Assessing risks of herbicidal vegetation management in a sensitive watershed (5.1 MB). Erin Conlisk* & Susan Kegley, Pesticide Research Institute.
• The impact of the herbicides imazapyr and triclopyr triethylamine on larval bullfrogs (2.0 MB). Joel Trumbo, CA Dept. of Fish & Game.
• Monitoring a declining, hybridizing weed (7.5 MB). Ingrid Hogle, San Francisco Estuary Invasive Spartina Project.

Early Detection and Rapid Response

• Invasion potential of Chinese tallow (Triadica sebifera) in California (3.7 MB). Michael J. Bower* & Clare E. Aslan, UC Davis.
• Steal this Protocol: The invasive plant species early detection protocol for the San Francisco Bay Area Network of National Parks (1.9 MB). Andrea Williams*, Jennifer Jordan, & Elizabeth Speith, San Francisco Bay Area Network Inventory & Monitoring Program.
• Stop-the-spread of yellow starthistle into the Sierra Nevada mountain range: Early detection and eradication on a regional scale (2.5 MB). Wendy West*, UC Cooperative Extension & CA Dept. of Food & Agriculture.
• Application of feral animal eradication techniques to invasive plants: Early detection and rapid response (2.1 MB). John Knapp¹*, Coleen Cory², Kelvin Walker^1,3, and Norm Macdonald1³, ¹Native Range Inc., ²The Nature Conservancy, ³Prohunt Inc.

Learning from the Past (invited session)

• Native Californian use of fire in weed management. (2.0 MB) Don Hankins, Dept. of Geography, CSU Chico.
• History of herbicide use and development of herbicide resistance (1.5 MB). Scott Steinmaus, Biological Sciences Dept., Cal Poly San Luis Obispo.

Discussion Groups

1. Careers in wildland weed research and management
2. Weed management contractors: Future markets and needs
3. Weed control: Riparian weeds
4. Weed control: Brooms and other woody invasives
5. Upland invaders
6. Future research needs for invasive plants
7. Ensuring successful weed control: Planning and monitoring
8. Weed control: Aquatic weeds.

Posters

STUDENT POSTER CONTEST

• Evaluating the potential for spread of an invasive forb, Limonium ramosissimum, in San Francisco Bay salt marshes. Gavin Archbald* & Katharyn Boyer, San Francisco State University.
• Effects of disturbance of biological soil crusts on the emergence of exotic plants in California sage scrub. Rebecca R. Buenafe* & Darren R. Sandquist, California State University at Fullerton.
• Soil biota facilitate invasion within microhabitats in a California coastal prairie. Taraneh Emam* ¹, Bruce Pavlik ², & Peter Alpert ³. ^1,2 Mills College, ³University of Massachusetts.
• Interactive effects of population genetic diversity and resident community composition on the success of an annual exotic invasive species. Heather McGray*, Marlyse Lombardo & Katharine N. Suding, UC Irvine.
• Spatial patterns in native and exotic submersed aquatic plant species in the Sacramento-San Joaquin River Delta. Maria J. Santos*¹, Lars W. Anderson² & Susan L. Ustin¹, ¹Center for Spatial Technologies & Remote Sensing, &, UC Davis, ²U.S. Dept. of Agriculture, Agricultural Research Service, Exotic & Invasive Weed Research.
• An analysis of the seedbank at Joshua Tree National Park in sites invaded by exotic grasses. Heather Schneider* & Edith Allen. UC Riverside. Patterns of change in water hyacinth distribution in the Sacramento-San Joaquin Delta. Khanna Shruti*, Maria J. Santos, Erin L. Hestir, Jonathan A. Greenberg, & Susan L. Ustin, Center for Spatial Technologies & Remote Sensing, UC Davis.

CONTRIBUTED POSTERS

• Results from the use of a novel method, HydroMechanical Obliteration, at the Golden Gate National Recreation Area in West Marin. Maria Alvarez*¹, Cameron Colson², Maria Morales² ,Liz Ponzini³, Aliza Segal1, and Sarah Cusser¹, ¹Golden Gate National Recreation Area, ²CAMCO, ³Golden Gate National Parks Conservancy.
• San Luis Rey River flood risk management area giant reed eradication. Raquel Atik¹*, Italia Gray¹, Peter Tomsovic¹, & Thomas Keeney², ¹RECON Environmental, ²U.S. Army Corps of Engineers.
• Invasive aquatic weeds: Implications for mosquito and vector management activities. Charles E Blair, MD*, Trustee, Mosquito and Vector Management District of Santa Barbara County.
• Lake Tahoe Aquatic Invasive Species Pilot Project: Measuring and adapting standard methods of control for use in an alpine environment. Phil Caterino¹*, Doug Freeland² & Giovanni Caterino³, ¹Alpengroup, ²Aquatic Consulting Evaluation, ³Tahoe Divers Conservancy.
• Hybridization between invasive and native blackberries (Rubus) in California. Lindsay Clark* & Marie Jasieniuk, UC Davis.
• The evolution of artichoke thistle (Cynara cardunculus) data management at Camp Pendleton, CA (1984-present). Meghan Dinkins* & Deborah Bieber, AC/S Environmental Security, Camp Pendleton.
• Ludwigia control as a precursor to restoration: Progress and challenges. Julian A. Meisler, Laguna de Santa Rosa Foundation.
• Sinapsis alba seed meal as a pre-emergent control for French broom (Genista monspessulana) seedlings. Ken Moore¹ & Carla Bossard²*, ¹Wildlands Restoration Team, ²St. Mary's College of California.
• "A" rated weeds on display: CDFA's internet mapping website. Colleen Murphy-Vierra* CA Dept. of Food & Agriculture.
• Mechanical control coupled with native species planting as a cost-effective method of controlling Himalayan blackberry. Nick Pacini, River Partners.
• Controlling an invasive grass in a grassland setting: Harding grass control in the bald Hills of Redwood National and State Parks. Stassia Samuels*, Laura Julian & Scott Powell, Redwood National and State Parks.
• Invasive plant Arundo donax: Mapping and prioritizing its eradication in the Bay-Delta region of Northern California. Bryan Sesser, Patricia Stiefer & Deanne DiPietro*, Sonoma Ecology Center.
• Adaptation and evaluation of "double tent" solar heating for eradicating weed seeds in remote areas. James J. Stapleton¹*, Susan B. Mallek¹, Ron Eng², & Albert Franklin³, ¹UC Statewide IPM Program, ²California Dept. of Food & Agriculture, ³U.S. Dept. of the Interior, Bureau of Land Management.
• An assessment of control methods for cape ivy in Central California coastal riparian ecosystems. Jennifer Stern and Fred Watson, California State University - Monterey Bay
• Goats defeat blackberries: Riparian habitat restoration following invasive plant removal at Vino Farms, Inc., Lodi, California (1.4 MB). Chris Stevenson*, Tom Griggs, & Chris Robbins, River Partners.
• Mapping invasive aquatic plant species in the Sacramento-San Joaquin River Delta using hyperspectral imagery. Susan L. Ustin, Center for Spatial Technologies & Remote Sensing, UC Davis.
• Control of jubatagrass and restoration of fountain thistle habitat in the San Francisco Public Utilities Commission peninsula watersheds. Don Thomas*, Sonya Foree & Ellen Natesan, San Francisco Public Utilities Commission.

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