2006 Symposium Presentations

Research and Management: Bridging the Gap

• October 5^th–7^th at the Sonoma Doubletree Hotel in Rohnert Park
• Thanks to our sponsors for their generous support of Cal-IPC and the Symposium.

DPR Continuing Education Credits

• Tools for Early Detection field course, Oct. 4: 7.0 hrs. Other, code A-1288-06
• Thursday, Oct. 5: 6.0 hrs. Other, code A-1285-06
• Friday, Oct. 6: 6.0 hrs. total, code A-1286-06. Those who attended the Laws and Regulations session,
  received 2.0 hrs. of Laws and Regs. credit plus 4.0 hrs. Other. Those not attending Laws and Regs. received
  6.0 hrs. Other.
• Saturday, Oct. 7: 4.0 hrs. Other, code A-1287-06

2006 Weed Alerts

Dr. Joe DiTomaso gave a presentation on weeds to watch out for.

2006 Symposium Presentations

Note: These are large pdf files converted from Powerpoint presentations.You may need to download the most recent version of Adobe Acrobat Reader to view them.

Riparian and Aquatic Invasives

• Team Arundo del Norte’s arundo eradication and coordination program: A regional
  approach. (3.6 MB) Mark Newhouser, Sonoma Ecology Center
• Layering: A ‘new’ mode of spread in Arundo donax. (8.3 MB) John Boland, Tijuana River Valley Invasive Plant Control Program
• Potential for augmentation of biological control of Arundo donax. (1.5 MB) Adam Lambert* & Tom Dudley, UC Santa Barbara
• Upper Santa Clara River Arundo/tamarisk removal plan. (1.5 MB) Noreen Cabanting, Ventura RCD
• Hydrilla eradication efforts in the Chowchilla River and Eastman Reservoir in central
  California: A success story. Florence C. Maly, CA Dept. of Food & Agriculture

Management and Economic Impacts (contributed papers)

• No weed left behind: A GPS method for conducting a complete weed inventory. (7 MB) Rachel A. Hutchinson¹*, Ingrid B. Hogle², Joshua H. Viers¹, ¹UC Davis, ²Invasive Spartina Project
• Incorporating weighted hierarchical criteria and uncertainty into invasive plant prioritization schemes: A case study from the National Park Service Klamath Network. (1.6 MB) Rob Klinger¹* & Matt Brooks², ¹UC Davis, ²USGS
• Utilizing differential quantitative mapping technologies and traditional botanical knowledge to assist Brazilian waterweed
  management in the Sacramento-San Joaquin Delta: An example from Frank’s Tract. Scott Ruch¹*, & Kurt Shanayda², ¹ReMetrix LLC, ²CA Dept. of Boating & Waterways
• Economic impacts of yellow starthistle on California ranchers. (0.3 MB) Alison J. Eagle¹, Mark E. Eiswerth²*, Wayne S Johnson³*, Steve E.
  Schoenig⁴, & G. Cornelius van Kooten¹, ¹U. of Victoria, ²U. of Wisconsin, ³U. of Nevada, Reno, ⁴CA Dept. of Food & Ag.
• Economic and social influences on yellow starthistle control in Sierra Nevada foothill rangeland. (0.3 MB)
  Clare Aslan*, Matthew Hufford, Rebecca Niell, Jeffrey Port, Jason Sexton, & Tim Waring, UC Davis

Bridging the Gap: Research (invited papers)

• Measuring performance of invasive plant eradication efforts. (13 MB) Peter Holloran, UC Santa Cruz
• Climate change, species interactions, and invasion resistance: Ecological implications for management. Erika Zavaleta, UC Santa Cruz
• Defining, conducting, and using research to implement science-based weed management. (7 MB) Catherine Parks, US Forest Service
• Ecological approaches to weed management. (2 MB) Jodie Holt, UC Riverside

Early Detection (contributed papers)

• Successful non-chemical management of spotted knapweed through partnership. (2.8 MB) Marla Knight¹*, & Steve Orloff², ¹US Forest Service, ²UC Cooperative Extension
• Euphorbia terracina: Be afraid, be very afraid. Christy Brigham, National Park Service
• Central Valley vernal pools invaded by waxy mannagrass. John Gerlach¹*, & Harald Meimberg², ¹Environmental Science Associates, ²UC Davis
• Field-testing an invasive plant species early detection protocol in the San Francisco Area Network of National Parks. (2.4 MB) Andrea Williams* & Elizabeth Speith, San Francisco Area Network Inventory & Monitoring Program
• Does horse manure harbor invasive plants? (0.7 MB) Lauren Quinn¹*, Bonnie Davis², Mietek Kolipinski¹,³, & Sibdas Ghosh1. Dominican Univ. of CA¹,
  Independent Project Consultant², Nat’l Park Service³

Restoration (contributed papers)

• Two years of Ludwigia control in the Laguna de Santa Rosa: Process and progress. (5.5 MB) Thomas J. McNabb¹*, & Julian Meisler², ¹Clean Lakes, Inc., ²Laguna de Santa Rosa Fndn.
• Response of the endangered San Diego ambrosia (Ambrosia pumila) to removal of competition from non-native plants. (2.5 MB) Eliza Maher* & Edward Stanton, Center for Natural Lands Mgmt.
• An evaluation of Whiskeytown’s shaded fuelbreaks. (6 MB) Jennifer Gibson* & Windy Bunn, Nat’l Park Service
• Restoration of degraded agricultural lands in the San Joaquin Valley using herbicides & activated charcoal. (5 MB) Kenneth D. Lair¹*, Nur Ritter², & Adrian Howard², ¹Bureau of Reclamation,
  ²CSU Stanislaus (Ken Lair was unable to attend, but sent this presentation.)
• Restoration of desert wetlands dominated by tamarisk and pampas grass. (6 MB)Tito Marchant,* Robert Hobbs, Annie Hill, & Julie Simonsen-Marchant. EcoSystems Restoration Associates

Laws and Regulations (presentations for licensed applicators)

• • California’s Noxious Weed rating system explained. (2 MB) Courtney Albrecht, CA Dept. of Food & Agriculture
  • New pesticide use regulations: What they mean for us. (2.5 MB) Bruce McArthur, Sonoma Co. Ag. Commissioner’s Office
  • Making CEQA work for you. (2 MB) Rachel O’Malley, San Jose State University
  • Fish & Game permitting for weed control projects. Bill Cox, CA Dept. of Fish & Game

Spartina and Lepidium

• • • Self-fertilizing cordgrass hybrids (Spartina alterniflora x S. foliosa) drive local invasion of San Francisco Bay tidal flats. (1 MB) Christina M. Sloop*, Debra R. Ayres, & Donald R. Strong, UC Davis
    • Spartina control in the San Francisco Estuary: Progress toward estuary-wide control and eradication. (5 MB) Erik Grijalva, SF Estuary Invasive Spartina Project
    • Invasive species removal in an urban environment: Pitfalls and lessons learned. (1 MB) Lisa A. DiGirolamo*, Friends of Corte Madera Creek Watershed & Invasive Spartina Project
    • Is glyphosate a good choice for perennial pepperweed (Lepidium latifolium) control in tidal wetlands in the San Francisco Estuary? (1 MB) Renee Spenst* & T.C. Foin, UC Davis
    • Tall whitetop control on the 102 Ranch and implications for other applications. (3.5 MB) Julie Etra, Western Botanical Services, Inc
    • Integrated management strategies for perennial pepperweed. (5 MB) Rob Wilson¹*, Joseph DiTomaso², Debra Boelk², & Guy Kyser², ¹UC Cooperative Extension, ²UC Davis

Bridging the Gap: Management (invited papers)

• • • Research: Applying what works for you. (2.7 MB)Sharon Farrell, Golden Gate Nat’l Recreation Area
    • Fifteen years later: What were we looking for and what did we get? (2.4 MB) Mike Kelly, Friends of Peñasquitos Canyon Preserve
    • Using large-scale research to inform rangeland management decisions. (4 MB) Jaymee Marty, The Nature Conservancy
    • Pseudo-replication, no replication, and a complete lack of control: In praise of dirty data for weed managers. (9 MB) Janet Klein, Marin Municipal Water District

Bridging the Gap Panel – Notes from the concluding panel

Posters

• • • Invasive aquatic weeds: Implications for mosquito and vector management activities. Charles E Blair, MD*, Mosquito and Vector Management District of Santa Barbara County
    • Invasive plant monitoring using volunteers: A nationwide effort. Giselle Block¹*, Ingrid Hogle², Renee Spenst², Samuel Leininger², ¹U.S. Fish and Wildlife Service, San Pablo Bay NWR, ²Information Center for the Environment, UC Davis
    • The Salmon River experience- Tools of the trade. *Petey Brucker, Salmon River Restoration Council
    • Flaming as a method of medusahead (Taeniatherum caput-medusae) control on the Plumas National Forest. Michelle Coppoletta* USDA Forest Service, Plumas National Forest
    • Developing a handbook summarizing the use of livestock as a tool in noxious weed management programs in the western United States. Jason Davison¹*, Ed Smith², Linda Wilson³, ¹U. of Nevada, Cooperative Extension, ²U. of Nevada, Cooperative Extension, ³U. of Idaho
    • The invasion of Eupatorium odoratum in logged-over tropical monsoon forest at the watershed of Bian-Kumbe in Merauke, Papua Indonesia. Tjut Sugandawaty Djohan, Gadjah Mada University, Indonesia, Visiting scholar Saint Mary’s College of California
    • Progress and regress in the biological control of tamarisk in California. Tom L. Dudley¹*, Peter Dalin¹ and Benjamin Rice², ¹Marine Science Institute, UC Santa Barbara, ²USDA-ARS,
    • The Invasive Species Program at the California Department of Fish and Game. Susan Ellis and Julie Horenstein*, Habitat Conservation Planning Branch, California Dept. of Fish and Game
    • Salmon River Cooperative Noxious Weed Program. Shannon Flarity* Salmon River Restoration Council
    • A biological basis of plant invasions: Can seedling relative growth rate predict invasive woody species? Eva Grotkopp, Kelsey Galimba, Andrew Holguin, Jordan Thompson, Michael Bower*, Jennifer Erskine Ogden, and Marcel Rejmánek, UC DavisSpecies table
    • An analysis of the cost and effectiveness of various control methods for fennel (Foeniculum vulgare) in Natividad Creek Park, Salinas, CA. (9 MB) Abigail Gwinn*, Return of the Natives, CSUMB Watershed Institute
    • The proliferation of Arundo donax in Arroyo Las Posas. (1.7 MB) Anna-Maria Huber (student)* CSU Northridge, Ventura County Resource Conservation District.
    • The effect of native forb abundance on invasion resistance in California grasslands. (265 KB) Kris Hulvey*, Erika Zavaleta, UC Santa Cruz
    • Ventura River Arundo Removal Demonstration Project. (1.7 MB) Dennis Kanthack*, Ventura County Watershed Protection District, and Peggy Rose, Ventura Resource Conservation District
    • Preventing horticultural plant invasions through collaboration: The Cal-HIP model. Terri Kempton, Sustainable Conservation
    • Water, salt, and pepper: Lepidium latifolium invasion potential along a salinity and moisture gradient. (3 MB) Samuel Leininger*, Theodore Foin, UC Davis
    • Riparian revegetation outcomes on California north coast ranches. Michael Lennox¹*; D. Lewis¹; D. Stokes⁵; R. Jackson²; J. Harper¹; B. Allen-Diaz³; S. Larson¹; P. Northen⁵; R. Katz1; and K. Tate⁴. 1UC Cooperative Extension, ²University of Wisconsin, Madison, ³UC Berkeley, ⁴UC Davis, ⁵Sonoma State University
    • Testing methods of weed management in the restoration of Riverside County old fields. Robin G. Marushia* and Edith Allen, Dept. of Botany and Plant Sciences, UC Riverside
    • Invasive plant management and restoration at the landscape scale: Assessment and mapping techniques. Sean McNeil¹, Greg Fisher¹, Noelle Johnson¹, Russell Jones¹, and Elizabeth Lotz, ¹Center for Ecological Restoration and Stewardship, Circuit Rider Productions, Inc.
    • Molecular evidence supporting the horticultural origin of invasive jubata grass (Cortaderia jubata). Miki Okada¹*, Mark Lyle² and Marie Jasieniuk¹, ¹UC Davis, Dept. of Plant Sciences
    • Managing rangeland invasive plants with Aminopyralid (Milestone^tm). R.L. Smith¹, V.F. Carrithers¹, R.A. Masters¹, M.B. Halstvedt¹, C. Duncan², J. DiTomaso³, R.G. Wilson⁴, S. Dewey⁵, ¹Dow AgroSciences, LLC, ²Weed Management Services, ³UC Davis, ⁴U. of Nebraska ⁵Utah State University
    • Assessment of treatment effectiveness and relative cost of giant reed (Arundo donax) removal in the Tijuana River Valley Julie Simonsen-Marchant¹*, John Boland², Braden Hogan¹, and Tito Marchant¹, ¹EcoSystems Restoration Associates, ²Southwest Wetlands Interpretive Association
    • Prospects for biological control of Russian thistle (tumbleweed). Lincoln Smith¹*, Rouhollah Sobhian² and Massimo Cristofaro³, ¹USDA-ARS, ²USDA-ARS-EBCL,³ENEA C.R. Casaccia
    • Control of Phalaris aquatica on lowland coastal terrace prairie in Richmond, CA. Monica Stafford, Sharon Farrell and Claire Beyer, The Watershed Project
    • Determining the best management technique for Italian thistle. Edward Stanton* and Eliza Maher, Center for Natural Lands Management

Discussion and Working Group Notes

• • Horticulture
  • Mapping
  • Outreach
  • Introduction to California’s Top Weeds
  • Obscure Weeds
  • Herbicide as a Restoration Tool