2014 poster session.

Photo: Bob Case

Wildland Weeds and Water

October 8-11, 2014, Chico

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

Field Course: Control Methods for Woody Species

• Principles of Weed Control.
  Joe DiTomaso, University of California – Davis
• Chemical Control – Best Management Practices.
  Henry DiRocco, DiRocco Environmental Services
• Mechanical Control – Powered tools and techniques.
  Henry DiRocco, DiRocco Environmental Services
• Calibration Chart. Carl Bell

DPR Laws and Regulations

• BMPs for protecting wildlife while using herbicides for invasive plant management.
  Doug Johnson, Cal-IPC
• Fix it if it is broken: using data to simplify and improve the new California NPDES aquatic pesticide permit. Mike Blankinship, Blankinship & Associates
• Assessing sensitivity of Quino checkerspot butterfly larvae to two common herbicides used for habitat management. Kathy Williams, San Diego State University
• New federal worker protection standard. David Bakke, USDA Forest Service

Session 1. Riparian Restoration

• Maintaining mitigation sites: the then and now of creating ‘self-sustaining’ riparian habitat.
  Cliff Feldheim, California Department of Water Resources
• Delta-wide arundo mapping and control project with Sacramento-San Joaquin Delta Conservancy. Randy Mager, California Department of Water Resources
• Mattole Integrated Watershed Management: a rural community’s approach to restoration. Cassie Pinnell, Mattole Restoration Council

Session 2. Invasive Plant Updates

• Invasive plant management progress report 2014. Doug Johnson, Cal-IPC Executive Director
• New Weed Alerts! Joseph DiTomaso, University of California – Davis
• Keynote: Managing invasive plants and bringing back wildlife: the evolution of riparian restoration over 15 years with River Partners. Tom Griggs, River Partners (retired), Chico

Session 3. Management

• A means to an end: a systematic approach to eradication target detection and treatment. Morgan Ball, Wildlands Conservation Science
• Choosing your battles, prioritizing invasive plant management; lessons from the Santa Cruz District of California State Parks.Tim Hyland, California Department of Parks and Recreation, Santa Cruz District
• Managing California rangelands: effects of weather patterns on plants composition. Joan Dudney, University of California – Berkeley
• Protecting Sierra meadows from invasive plants. Ed King, Placer County Department of Agriculture

Session 4. Species Interactions

• Ustilago bullata, a potential biocontrol for Bromus species.
  Bridget Hilbig, University of California – Riverside
• Edge effects: native and non-native plant distribution along single and multi-use trails in the Santa Monica Mountains. Irina Irvine, Santa Monica Mountains National Recreation Area
• Invasive legume symbioses: do California invasions follow worldwide trends?
  Kimberly La Pierre, University of California – Berkeley
• A river ran through it: restoration on historic gravel bars and weed suppression by native
  forbs. Michael Rogner, River Partners

Session 5. Restoration

• Assessing effectiveness of management actions on recovery of coastal sage scrub plant communities over time. Sara Jo Dickens, University of California – Berkeley
• Effects of defoliation and habitat type on medusahead demography.
  Elise Gornish, University of California – Davis
• The “other” invasive Spartina in San Francisco Bay: progress towards eradication for the lesserknown species. Drew Kerr, California Coastal Conservancy’s Invasive Sportina Project
• Techniques for ecological restoration of Spartina foliosa following local eradication of invasive
  Spartina alterniflora hybrids. Whitney Thornton, San Francisco State University

Session 6. Invasive Plant Ecology

• Nitrogen deposition and invasion: the effects of N availability and plant-soil feedback on the success of three invasive plant species. Justin Valliere, University of California – Riverside
• Impacts of precipitation change on Bromus tectorum and native vegetation in a sagebrush steppe ecosystem. Catherine Wade, University of California – Santa Cruz
• Reestablishing the competitive hierarchy in an invaded California grassland through the process of habitat restoration following the prescribed burn of Centaurea solstitialis.
  Jason Mills, CSU Chico
• Are native and invasive species functionally similar in low-resource ecosystems? a functional trait comparison across five Mediterranean-climate ecosystems. Jennifer Funk, Chapman University – presentation not available

Session 7. Creative Solutions

• High stakes for California rangelands – the battle to stem the tide of invasive plants must be a collaborative effort.
  Tim Koopmann, Koopmann Ranch and California Cattlemen’s Association
• Hot topics in biocontrol. Mike Pitcairn, California Department of Food and Agriculture
• The power of cross-border collaboration: a report from the Oregon-California border.
  Carri Pirosko, Oregon Department of Agriculture
• New Nevada noxious weed prevention and monitoring measures.
  Jamie Greer, Nevada Department of Agriculture

Session 8. Discussion Groups

1. Ask the experts (and each other)
2. Careers in invasive plants and restoration
3. Prioritization – Prioritization Tools.
4. Working on the wildland/urban interface
5. Working with volunteers – Volunteer Survey.
6. Revegetation and competitive planting

Session 9. Mapping and Monitoring

• Update on early detection rapid response pilot project in California State Parks.
  Ramona Robison, California Department of Parks and Recreation
• Modeling habitat suitability for velvetgrass (Holcus lanatus) in Sequoia and Kings Canyon National Parks, California. Erin Degenstein, Humboldt State University
• Predicting the spread of medusahead in California: importance of climate and dispersal vectors. Emily Farrer, University of California – Berkeley
• The development and refinement of a Plant Risk Evaluation (PRE) tool for assessing the invasive potential of ornamental plants. Christiana Conser, University of California – Davis

Session 10. Outreach and Management

• Mid Klamath Watershed Council: a collaborative approach to invasive weeds management.
  Tanya Chapple, Mid Klamath Watershed Council
• Addressing lessons learned from the NRCS Rangeland CEAP: establishing peer-learning networks for effective, low-cost medusahead control within the ranching community.
  Philip Brownsey, Sierra Foothill Research and Extension Center
• Restoring lower Redwood Creek: collaborative invasive plant management.
  Tanya Baxter, Golden National Recreation Area

Session 11. Weeds as Water Wasters

• Aquatic weeds: water waste or water wise? John Madsen, USDA-ARS Exotic and Invasive Weed Research Unit
• Weeds and water: the interacting effects of phenology, competition, climate, geology, and soils on soil moisture, surface flows, and ground water recharge. John Gerlach, State Water Resources Control Board – presentation not available

Posters

Student Posters

• Precipitation and nitrogen manipulations alter post-fire recovery of coastal sage scrub.
  Scot Parker, University of California – Irvine

General Posters

• Sunrise powerlink adaptive weed control strategy: yellow star-thistle eradication at Eichenlaub Ranch. Raquel Atik, Recon Environmental
• Invasive aquatic weeds: implications for mosquito and vector management activities.
  Charles Blair, Mosquito and Vector Management District of Santa Barbara County
• Small-scale grass control experiment in the Woolly-Star Preserve Area (WSPA).
  Lauren Brown, Leidos
• Prioritizing invasive plants on military bases. Elizabeth Brusati, Cal-IPC
• The Pepperwood Conservation Grazing Pilot Project: managing for complexity in our coastal California grasslands. Michael Gillogly, Pepperwood Preserve
• Collaborative Weed Control along the Truckee River.
  Jeannette Halderman, Truckee River Watershed Council Weed Warriors
• Cabbage tree (Cordyline australis) distribution, management and control in California State Parks. Chris Heintzelman, California Department of Parks and Recreation
• Inferring the complex origins of horticultural invasives: French broom in California.
  Annabelle Kleist, University of California, Davis
• Eradication strategy of Russian wheatgrass (Elymus farctus) populations found in the Guadalupe-Nipomo Dunes, San Luis Obispo County.
  Nancy La Grille, California State Parks and Recreation
• New tools for biological control of arundo and water hyacinth in the Sacramento Delta and elsewhere in Northern California. Patrick Moran, USDA-Agricultural Research Service
• Setting and implementing regional strategies for landscape-scale invasive plant management. Dana Morawitz, Cal-IPC
• Attempts at medusahead eradication.
  Christal Niederer, Creekside Center for Earth Observation
• Catalpa speciosa control using herbicide application methods.
  Meghan Oats, California State Parks, Oroville, CA
• The effects of invasive forbs and abundance on fine fuel loads in a degraded coastal sage scrub habitat. James Paolini, California State Polytechnic University
• Native plant establishment in late summer. Joseph Paternoster, DriWater
• Taro root (Colocasia esculenta) reported naturalizing in California.
  Ramona Robison, California Department of Parks and Recreation
• Impact of field border management on rodents in walnut orchards.
  Laurel Sellers, University of California – Davis
• Weed Free Forage and Mulch PROGRESS!.
  Bobbi Simpson, National Park Service
• A test of the application of grass-specific herbicides for the enhancement of native forbs in serpentine grassland. Don Thomas, San Francisco Public Utilities Commission
• Getting swept away by broom: 2013 re-mapping on Mt. Tam reveals faster-than-predicted spread. Andrea Williams, Marin Municipal Water District
• A phenological detectability index for invasive plants of Golden Gate National Recreation Area. Eric Wrubel, National Park Service

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