Follow the links to view presentations and posters in pdf format. Abstacts and proceedings papers are available here. Beware: these are large files.

Laws and Regulations

• Regulations we use as tools to deal with invasive plants. Courtney Albrecht, California Department of Food and Agriculture

• Encouraging conservation on private lands through permit coordination. Mike Gerel, Sustainable Conservation

• Why you may need a licensed Pest Control Advisor. Diana Bartel, California Association of Pest Control Advisors

• Herbicide toxicology and signal words. Robert Krieger, University of California at Riverside

 

Cutting Edge Research I

• Invasion of Arundo donax in riparian ecosystems of mediterranean-type climates: Causes, impacts, and management strategies. Gretchen C. Coffman, Department of Environmental Health, UC Los Angeles

• Using a computer-based diagnostics program for the identification of weedy grasses. Joe DiTomaso, Weed Science Program, UC-Davis (A demonstration of the new CD-ROM “Grass and Grass-like Weeds of California“)

• Are exotic species shrinking serpentine refugia for native plants? The case of a rare annual jewelflower in Santa Clara County, CA. Allison R. Green, Department of Environmental Studies, San Jose State University

• Implications of global change for exotic and native species in California grasslands. W. Stanley Harpole, University of Minnesota

• The role of pre-fire fuel manipulations in the invasion of alien plants. K. E. Merriam, US Geological Survey, Western Ecological Research Center

• Impacts of mowing and bud destruction on yellow starthistle root dynamics and flowering. D. F. Spencer, USDA-ARS Exotic and Invasive Weed Research Unit

 

Habitat Fragmentation and Edge Effects

• Habitat fragmentation in California: our past, current rate, and likely future. Thomas Scott, UC Berkeley and UC Riverside

• A comparison of flora in San Francisco’s fragmented natural areas. Christopher Campbell, San Francisco Natural Areas Program

• Corridors: Crossing political boundaries. Bonnie Harper-Lore, Federal Highway Administration

• Managing remnants of natural habitat in an urban sea. Suzanne Goode, California State Parks

 

Invasive Plant and Communities

• Who cares about weeds? Thoughts about sustaining Cal-IPC’s relevance in a changing world. Sue Gardner, Golden Gate National Parks Conservancy

• Eradication in California and abroad: Explaining success and failure. Pete Holloran, Department of Environmental Studies, UC Santa Cruz

• Integrating ecological, social, and economic perspectives on the spread of invasive species. Brett Melbourne, Biological Invasions IGERT, UC Davis

• Addressing community concerns: Los Angeles County WMA’s Best Management Practicies for vegetation management. Dean Lehman, Los Angeles County Department of Public Works

• Tools in the toolbox: Community based stewardship in the management of invasive weeds. Kari Marie Norgaard, Biological Invasions IGERT, UC Davis

• Volunteer exotic removal efforts and success at Edgewood County Park and Preserve, San Mateo County, California. Paul Heiple and Ken Himes, Friends of Edgewood

 

 

Cutting Edge Research II

 

• Out of the frying pan: Invasion of exotic perennial grasses in coastal prairies. Jeffrey D. Corbin, Department of Integrative Biology, UC Berkeley

• Reproductive biology of Cape ivy (Delairea odorata) in California. Ramona Robison, UC Davis

• Effects of environment on establishment of Arundo donax in three southern California riparian areas. Lauren Quinn, Department of Botany and Plant Sciences, UC Riverside

• Invasion dynamics of perennial pepperweed along the salinity gradient. R. O. Spenst, UC Davis

• Towards eradication of Lepidium latifolium at Paramount Ranch: Control methods and a test of different restoration treatments. Christy Brigham, Santa Monica Mountains National Recreation Area

 

Migration of Ornamentals Across the WUI

• A tale of two invaders: The dynamic history of pampas grass and jubata grass in California. John Lambrinos, UC Davis, Environmental Science and Policy

• Genetic and reproductive factors contributing to the invasiveness of escaped ornamentals in wildlands. Marie Jasieniuk, UC Davis, Weed Science Program

• Water gardening: Pathway to paradise or plant invasion? Holly Crosson, UC Davis, Environmental Science and Policy

• Partnering to prevent invasive plant introductions of horticultural origin. Sarah Connick, Sustainable Conservation

 

Funding Invasive Plant Projects

• Wetland Recovery Projects through the Coastal Conservancy. Karen Bane, Coastal Conservancy

• Urban Streams Restoration grants through Department of Water Resources. Susan Woolam, DWR

• Funding invasive plant projects through the Farm Bill. John Warner, Natural Resources Conservation Service

• Regional Water Quality Control Board funding opportunities. Raymond R. Jay, CA Regional Water Quality Control Board

• State and federal legislative funding initiatives. Wendy West, El Dorado County Agriculture Department

 

Field Techniques

• Flaming: a new tool for wildland weed control. Ken Moore, Wildlands Restoration Team

• The use of heavy machinery to remove Ammophila arenaria from native sand dunes at Point Reyes National Seashore. Ben Peterson, Point Reyes National Seashore

• CRISISCat – an online invasive species information clearinghouse for California. Allan D. Hollander, Information Center for the Environment, UC Davis

• The new “JK Injection Tool” for control of knotweeds and other hollow-stem plants growing in sensitive wetland sites. Ron Crockett, Monsanto

• The riparian weed management program at Marine Corps Base Camp Pendleton: Past, present, and future. Meghan Trainor Fitch, MCB Camp Pendleton, AC/S ES Land Management Branch

 

Invasive Plants and Fire at the WUI

• Benefits versus fire risk of native and invasive vegetation at the WUI. Chris Dicus, Cal Poly San Luis Obispo

• Impacts of fire management on alien plant invasions. Jon E. Keeley, USGS Western Ecological Research Center

• Weeds in WUI fuel breaks: Challenges and opportunities. Janet Klein, Marin Municipal Water District

• California’s fading wildflower legacy. Rich Minnich, UC Riverside

 

 

Posters

• Approaches to assessment of cumulative economic impact of invasive plants. Tara Athan, Cal-IPC

• Reducing the introduction and distribution of non-native aquatic invasive species through outreach and education (RIDNIS project). Holly Crosson and Edwin Grosholz, Department of Environmental Science and Policy, UC Davis

• The effect of soil salinity and flooding on the growth of Carpobrotus edulis (L.) N. B. Br.: Implications for its spread into the Ballona Wetlands. Philippa Drennan and Leanne Zakrzewski, Biology Department, Loyola Marymount University

• Spatial analysis of perennial pepperweed infestation on a seasonal floodplain. I. H. Hogle, J. H. Viers, J. F. Quinn, and M. W. Schwartz, Information Center for the Environment, UC Davis

• Behavioral responses of birds to invasive Spartina in San Francisco Bay marshes . J. C. Nordby¹, A. Cohen², and S. Beissinger¹. ¹U.C. Berkeley, ²San Francisco Estuary Institute

• Population genetic structure of pampasgrass (Cortaderia selloana) and jubatagrass (C. jubata) in California. Miki Okada, Riaz Ahmad, and Marie Jasieniuk. Department of Vegetable Crops and Weed Science, UC Davis

• Control of hedge parsely (Torilla arvensis). Scott Oneto, Joseph DiTomaso, Guy Kyser, Sergio Garcia, and Sarah Hale. UC Davis Cooperative Extension

• Control of tree tobacco (Nicotiana glauca). Scott Oneto, Joseph DiTomaso, Guy Kyser, Sergio Garcia, and Sarah Hale. UC Davis Cooperative Extension

• Distribution of perennial pepperweed in Bay-Delta wetlands: a CalFed mapping project. Chris Rogers, Environmental Science Associate

• Invasive hybrid cordgrass (Spartina alterniflora x S. foliosa) recruitment dynamics in open mudflats of San Francisco Bay. Christina Sloop, Debra Ayres, and Donald Strong, UC Davis

• English ivy removal at Redwood National and State Parks. Andrea Williams, National Park Service, Redwood National and State Parks.

• 2003 Invasive Spartina Project monitoring program. K. Zaremba¹, M. McGowan², and D. R. Ayres³, ¹San Francisco Estuary Invasive Spartina Project, ²Maristics, ³UC Davis

 

Working Groups

Click on the group’s name to read their notes from the 2004 Symposium (pdf).

Aquatics: Eurasian watermilfoil, Caulerpa, Spartina, water hyacinth

Dunes: pampas/jubata grass, iceplant, Ammophila

Forbs:  thistles, knapweeds, dalmatian toadflax

Grasses:  medusahead, barbed goat grass, cheat grass, Harding grass

Riparian: Arundo, Lepidium, tamarisk, cape ivy…

Trees and Shrubs:  broom, Eucalyptus, tree of heaven, Sesbania

Risk Assessment: Working group to complete the Cal-IPC Invasive Plant Inventory

Roadsides: Working with road maintenance agencies

Mapping: Setting priorities and communicating scope

Nurseries: Working with industry on invasive plants available for sale

Fire: Prescribed burning as a management tool

Critical Habitats: Working on weeds near sensitive species

Environmental/Social Issues: Working with members of the public who oppose weed management or eradication programs