November 2-5, Tenaya Lodge in Yosemite

Tanya Chapple, Mid Klamath Watershed Council and Emily Ferrel, Salmon River Watershed Council discuss their poster at the poster session.

Photo: Doug Johnson

View program and abstracts.
Links below are pdf files converted from Powerpoint presentations.

Training: Invasive Plant Management 101

• Course syllabus
• Principles of Invasive Plant Management.
  
  Gina Darin, Cal. Dept. of Water Resources
• Strategic Approaches.
  Andrea Williams, Marin Municipal Water District
• Prioritization and Mapping.
  Giselle Block, USFWS
• Tools and Techniques: Overview of Control Methods.
  
  Drew Kerr, Invasive Spartina Project
• Tools and Techniques: Mechanical and Chemical Methods.
  Henry DiRocco
• Tools and Techniques: Cultural Controls.
  Esperanza Pimentel, Presidio Trust
• Permitting.
  
  Jason Giessow, DENDRA, Inc.
• Funding.
  Jason Giessow, DENDRA, Inc.
• Outreach and Communications.
  Rachel Kesel, One Tam
• Policy and Agency Context.
  Steve Schoenig

Training: Certified Weed-Free Forage and Mulch

• Course syllabus
• Intro to Certified Weed-Free Hay and Mulch effort in California.
  Joanna Clines, Forest Botanist, Sierra National Forest
• CA Noxious Weed List explained and how it relates to CDFA / county certification requirements.
  Dean Kelch, Primary Botanist, California Department of Food and Agriculture
• Role of County Agriculture Departments and CACASA.
  
  Paul Kjos, Shasta County Agricultural Commissioner/Sealer of Weights & Measures
• Real life examples of invasive weed introduction via contaminated hay and straw – and outcomes.
  Joanna Clines, Forest Botanist, Sierra National Forest
• King Fire mulching (BAER): lessons learned from inspections of certified weed free mulch.
  Blake Engelhardt, North Zone Botanist, Eldorado National Forest
• NAISMA (North American Invasive Species Management Association): certified weed free forage program and benefits of participation by CA counties.
  Paul Kjos, Shasta County Agricultural Commissioner/Sealer of Weights & Measures

Training: Calflora’s Weed Manager

• Course syllabus
• Calflora’s Weed Manager.
  John Malpas, Technical Lead and Cynthia Powell, Executive Director

DPR: Laws and Regulations

• PRESCRIBE: An online database for protection of endangered species from pesticides.
  Richard Marovich, California Dept. of Pesticide Regulation
• Chemical resistant glove selection.
  Lisa Blecker. University of California, Dept. of Agriculture and Natural Resources, Statewide IPM Program
• Substantial drift… a legal perspective.
  Robert Davies, Donahue Davies LLP
• CEQA and pesticides.
  Joel Trumbo, CA Dept. of Fish and Wildlife

Session 1. A Century of Park Stewardship

• Welcome.
  Garrett Dickman, Yosemite National Park
• The evolution of park stewardship.
  Jan van Wagtendonk, Emeritus, National Park Service
• Invasive plant management in today’s National Parks.
  Terri Hogan, NPS Invasive Plant Program Manager
• Invasive plant management in California State Parks.
  Jay Chamberlin, Chief, Natural Resources Division, California State Parks

Session 2. Grazing, Weeds, and Rangeland Management

• Plant community responses to cattle grazing in a noxious weed-dominated rangeland.
  Leslie Roche and Ken Tate, UC Davis, and Josh Davy, UC Cooperative Extension
• Integrating grazing and herbicide treatments.
  Joe DiTomaso, UC Davis
• The art of targeted grazing: A practitioner perspective.
  Dan Macon, UC Davis and Andree Soars, Star Creek Land Stewards
• Range seeding for weed management.
  Morgan Doran, UC Cooperative Extension

Diana Benner of The Watershed Nursery gives a talk on the risks Phytophthora species pose to restoration goals.

Photo: Bob Case

Session 3. Successful Invasive Plant Management Projects

• The Salinas River Watershed Arundo control program—lots of farmers, lots of Arundo, 12 miles in two years.
  Emily Zefferman, Monterey County Resource Conservation District
• From prevention to treatment: Yosemite’s suite of invasive plant management efforts.
  Garrett Dickman, Yosemite National Park
• From biosecurity to control on the ground: Invasive plants on San Nicolas Island.
  William Hoyer, US Navy
• Fifteen years of community restoration projects: The lessons of working on invasive plants at a small scale.
  Shawn Kelly, Southern California Wetlands Recovery Project

Lunch

• Cal-IPC Update
  Doug Johnson, California Invasive Plant Council
• Including Diverse Californians in Park Stewardship.
  Antonio Solorio, Park Ranger and Youth Program Manager

Session 4. Gimme the Dirt: Plant Invasion and the Soil Microbiome

• Brachypodium invasion in California is facilitated by rhizosphere microbes.
  Emma Aronson, UC Riverside
• The role of the soil microbiome in medusahead invasion in open grassland and oak woodland habitats.
  Elise Gornish, UC Davis
• Remediating the microbial legacy effects of invasive grass for restoration.
  Brooke Pickett, UC Riverside

Session 5. Do No Harm: Managing Restoration’s Unintended Consequences

• The risks Phytophthora species pose to restoration goals and protocols to reduce the inadvertent introduction of these pathogens.
  Diana Benner, The Watershed Nursery
• New technique for restoration of deeply eroded mountain wetlands: Risks and benefits.
  Athena Demetry, Sequoia/Kings Canyon National Park
• Protecting wildlife when controlling invasive plants.
  Mark Heath, Shelterbelt Builders

Session 6. Early Detection: How NPS Keeps on Top of Invasive Plants in the High Country

• Staying ahead of the invasives spread: Early detection surveys in Yosemite and Sequoia/Kings Canyon National Parks.
  Tom Reyes, Yosemite National Park
• Treating alpine invaders: prioritizing high elevation non-native species to protect Yosemite’s alpine meadow ecosystems.
  Heather Smith, Yosemite National Park
• Invasive and special status plant early detection and management, following Yosemite’s wildfires: Strategies for the landscape level.
  David Campbell, Yosemite National Park

Session 7. Aerial Tools for Mapping and Treatment

• Look, up in the sky! It’s a bird, it’s a plane, it’s… an unmanned aerial vehicle mapping weeds!
  Sundaran Gillespie, WRA Environmental Consultants
• Finding the best approach for detecting small quantities of invasive plant species with hyperspectral remote sensing data.
  Sandra Skowronek, FAU Erlangen-Nürnberg, Germany and Carnegie Institution for Science
• Aerial treatment of invasive buffelgrass to build fire-resilient landscapes in southern Arizona.
  Dana Backer, Saguaro National Park

Session 8. Finding Common Ground in Resource Management

1. Controlling invasive plants in designated wilderness.
   Mary Beth Hennessy, Inyo National Forest
2. The Wildland Fire Resource Advisor position: Communication strategies for bridging invasive plant management, resource values and fire response.
   Jun Kinoshita, Yosemite National Park
3. Preserving cultural resources while protecting natural resources from invasive plants.
   Jun Kinoshita, Yosemite National Park
4. Matching restoration tools to rare plant recovery needs in invaded Channel Island landscapes.
   Kathryn McEachern, Ecologist, US Geological Survey

Discussion Groups

1. Tools & Techniques: Ask the Invasive Plant Management Experts – Learn from your peers and get your specific control questions answered by our expert panel of seasoned land managers.
2. Grazing, Weeds and Rangeland Management – How can you incorporate grazing into your management regime? Chair: Morgan Duran, UC Cooperative Extension
3. Using Weed-Free Materials – What land managers need to know about using weed-free mulch and feed. Led by Paul Kjos, Shasta County Agriculture and Joanna Clines, Sierra National Forest.
4. Integrating Biocontrols into Your Work – We know biocontrol agents can be powerful, but how can land managers deploy existing agents for their lands? Led by Mike Pitcairn, CA Dept. of Food & Agriculture.
5. Non-Native Plants in Restoration – Recognizing that non-native plants are part of the landscapes we manage, and that climate change is shifting vegetation communities, what role might non-native plants play in meeting stewardship goals? Led by Elise Gornish, UC Davis.

Session 9. Invasive Plant Research I

• Biocontrol of Sahara mustard: An update on exploration in the native range.
  Rene Sforza, USDA Agricultural Research Service
• Using population genomics to uncover the rapid colonization of Sahara mustard (Brassica tournefortii) in the United States.
  Daniel E. Winkler, UC Irvine
• The susceptibility of strip-seeded restoration sites to invasive species.
  Julea A. Shaw, UC Davis

Session 10. Productive Partnerships for Invasive Plant Management

• PlantRight update: 2016 nursery survey results, trends, and horticultural partnerships.
  Stephanie Falzone, Sustainable Conservation
• Advanced resource management stewards provide extra ARMS for weed control.
  Ellen Gartside, Midpeninsula Regional Open Space District
• Hydrilla eradication challenges, partnerships and lessons learned.
  David Kratville, California Dept of Food & Agriculture

Session 11. Invasive Plant Research II

• The interactive effects of nitrogen and topography on the distribution of Stipa pulchra.
  Robert Fitch, Cal Poly Pomona
• Canopy phenology and the coexistence of invasive species in a walnut woodland understory.
  Joshua J. Paolini, Cal Poly Pomona
• Exploring traits and tradeoffs in native and nonnative plant species of California’s coastal sage scrub.
  Justin M. Valliere, UCLA

Session 12. What Are We Learning?

• Can we successfully manage weeds on a landscape scale without herbicides? Lessons learned 10 years into MMWD’s zero-use Vegetation Management Program.
  Andrea Williams, Marin Municipal Water District
• Three decades of effort in undoing a mistaken policy of introducing a weedy non-native as forage.
  Denis M. Kearns, Bureau of Land Management
• Restoring ecosystem function and diversity through cost-efficient hazardous fuel removal.
  Sarah Godfrey, Center for Natural Lands Management

Session 13. Invasive Plant Management: Past, Present, and Future.

• 2016 Weed Alerts.
  Dean Kelch, California Dept. of Food and Agriculture
• 25 Years of Cal-IPC and invasive plant management in California.
  Jennifer Funk, Chapman University
• The future of invasive plant management: Voices from the field.
  Juan de Dios Villarino, Natural Resource Management Crew Leader; California State Parks, Santa Cruz District; Justin Valliere, UCLA Post-Doctorate Researcher; Rachel Kesel, Conservation Management Specialist, One Tam
• Park stewardship, invasive plant management, and the next 25 years.
  Jay Goldsmith, Natural Resources Division Director, Pacific West Region, National Park Service

Posters

• The working group for Phytophthoras in native habitats: Working collaboratively to prevent invasive species introductions in California wildlands. Janice Alexander, UC Cooperative Extension
• After all this time and money, are the weeds getting better or worse? Joseph Algiers, Jr., Santa Monica Mountains National Recreation Area
• Birdseed induced invasion of non-native grasses millet (Panicum miliaceum) and sorghum (Sorghum bicolor) into Joshua Tree National Park, CA.  Laura Ashfield, Joshua Tree National Park
• Species interactions of a heavily invaded ecosystem: The role of competition among California exotics. Julia Battisti, University of Montana
• Spatial patterns of diversity in California grasslands. Evan Batzer, UC Davis (Student Poster Contest)
• Assessing emerging invasive plants in California. Elizabeth Brusati, California Dept. of Fish & Wildlife, Dana Morawitz and Doug Johnson, California Invasive Plant Council, and Mona Robison, CalBotany
• Fire followers of Yosemite National Park. David Campbell, Yosemite National Park
• The continuing history of weeds eradication in the Salmon and mid-Klamath watersheds.  Tanya Chapple, Mid Klamath Watershed Council
• Assessing aquatic plant invasiveness to facilitate management in the Sacramento-San Joaquin Delta. Valerie Cook Fletcher, CA Dept of Fish and Wildlife
• Enhancing the wildlife value of farms in the Central Valley: A team effort. Matthew Danielczyk, Audubon California
• Early detection and control of invasive plants following the Rim Fire. Steven Del Favero, Yosemite National Park
• Scale of landscape conservation: Finding common ground between management and the weeds. Kathleen Dickey, San Mateo Resource Conservation District
• Seeding Functional Redundancy for Multiple Ecosystem Service Goals. D.J. Eastburn, L.M. Roche, M.P. Doran, E.S. Gornish
• Prescribed fire in the vernal pool grasslands of Prairie City State Vehicular Recreation Area.  Lora Elsom, California State Parks
• Uses of Southern California black walnut (Juglans californica) in landscaping and restoration. Eliza Hernández, Cal Poly Pomona
• Controlling Linaria dalmatica at Hungry Valley State Vehicular Recreation Area. Chris Hon, California State Parks
• Controlling Algerian sea lavender and assessing marsh vulnerability. Drew Kerr, San Francisco Bay Invasive Spartina Project
• Caltrans: Protecting travelers and wildlife from invasive weeds. Conrad L. Kiernan, Caltrans
• Development of a regional aquatic weeds project (DRAAWP). Guy Kyser, UC Davis
• The indirect effects of invasive grasses on native forb persistence. Marina LaForgia, UC Davis (Student Poster Contest)
• New challenges in the eradication strategy for Russian wheatgrass (Elymus farctus) populations found in the Guadalupe-Nipomo Dunes, San Luis Obispo County. Nancy La Grille, California State Parks
• Effects of juglone on the germination of Southern California native and invasive plant species. Sierra Lauman, Cal Poly Pomona
• Response of invasive Tamarisk to chemical controls in a southern California desert. Danny McCamish, California State Parks
• Effects of nitrogen and phosphorus on the growth and reproduction of Pennisetum setaceum, African fountain grass. Glen Morrison, Cal Poly Pomona
• California Alliance for Tamarisk Biocontrol – Biological Control with the Tamarisk Leaf Beetle (Diorhabda spp.). Nicole Norelli and Tom Dudley, UC Santa Barbara
• Do invasive grasses employ different water use and rooting strategies than a native chaparral shrub? Michala Phillips, UC Riverside (Student Poster Contest)
• Using native woody shrubs as nurse plants for seedling establishment in Coastal Sage Scrub. Lauren H. Quon, Cal Poly Pomona
• Controlling Harding grass (Phalaris aquatica) in a grassland setting – the final report. Stassia Samuels and Laura S. Julian, Redwood National and State Parks
• Light tools for removing jubata grass. Mark Skinner, Coastal San Luis Resource Conservation District
• Investigating anthropogenic stressors and the relationship with Schismus barbatus for the threatened Little San Bernardino Mountains Linanthus. Lynn C. Sweet, UC Riverside
• A test of reduced rates of glyphosate for the control of invasive plants. Don Thomas. San Francisco Public Utilities Commission
• Square pupils: Goats as alternative fuel and weed reduction workers. Andrea Williams, Marin Municipal Water District

Cal-IPC’s “Celebration of 25 years” Video Submission

• Slideshow and Neil Frakes of Joshua Tree NP
• ‘Happy’ slideshow; a thank you from Cal-IPC!

See our Symposia Archive for presentations, proceedings and discussion group notes for previous symposia.