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 Dahlin1,2*, 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 Walker1,3, 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.
- Reinventing our approach: Learning from past failures. Dan Gluesenkamp, Audubon Canyon Ranch.
- Careers in wildland weed research and management
- Weed management contractors: Future markets and needs
- Weed control: Riparian weeds
- Weed control: Brooms and other woody invasives
- Upland invaders
- Future research needs for invasive plants
- Ensuring successful weed control: Planning and monitoring
- Weed control: Aquatic weeds.
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.
- 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.