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Fine-scale predictions of perennial pepperweed invasion in a brackish tidal marsh Vanessa Tobias, Giselle Block, Emilio Laca
Perennial Pepperweed Lepidium latifolium LELA
forestryimages.org Creates monocultures
water.ca.gov Displaces marsh animals. Here: salt marsh harvest mouse
Spreads by Rhizomes and Seeds
Marshes are at high risk for pepperweed invasion Vanderhoof et al. 2009
Marshes are at high risk for pepperweed invasion Vanderhoof et al. 2009
Management Needs for LELA Efficient search models Efficient search models Eradication plan for wetlands Eradication plan for wetlands
San Pablo Bay NWR San Francisco Bay San Pablo Bay Suisun Bay Sacramento Delta Sacramento Golden Gate
Project Area 10 km 4 km Bay Ag Land
Bay Mapping of LELA patches by field crews before and after spraying
Channels, shoreline, & levees Elevation (LiDAR) Vegetation Disturbance Explanatory variables used in the model
Channels, shoreline, & levees Elevation (LiDAR) Vegetation Disturbance LELA Patches
Deviance Explained = 27% Bay Ag Land Map of predicted probability of invasion
LELA Present in 2005 Potential Habitat Search Area Bay Ag Land A practical application of modelled probabilities: Maps identifying potential habitat
True Positives False Positives Search Area False Negatives Bay Ag Land
True Positives False Positives Search Area False Negatives Bay Ag Land Potential habitat that hasn’t been invaded yet shows up as “false positives” in our model
New LELA Invasions 2010 Potential Habitat Search Area Bay Ag Land New patches mapped in 2010 as a test case for the model
Focus search and efforts for LELA on levees and channel berms.
Number of Patches Percent Cover of Pepperweed
No Spray Spray
Herbicides are an effective control for LELA in areas where mechanical control is impractical.
Postdoctoral Scholar University of California, Davis Department of Plant Sciences Vanessa D. Tobias Questions ?
THE LIFE OF REED CANARY GRASS Aaron,Mike, Flower, Samantha.
SAN FRANISCO BAY By: Randall Alcorn. Golden Gate Bridge.
Conserving San Francisco Bay's Waterbirds: three decades in a rapidly changing landscape Vanessa Tobias 1, Catherine Burns 2, Cheryl Strong 3, Orien Richmond.
Possible Geomorphic Effects Of Invasive Spartina alterniflora in the San Francisco Estuary Joshua N. Collins, Ph.D San Francisco Estuary Institute
Response of Birds to Vegetation, Habitat Characteristics, and Landscape Features in Restored Marshes Mark Herzog 1, Diana Stralberg 1, Nadav Nur 1, Karin.
South Bay Salt Pond Restoration-- Challenges to Ecological Restoration.
Reasons our analysis needs to be reproducible… Efficiency on a given topic or study Efficiency across groups (especially critical with new “machine services”
Projecting Vulnerability to Inundation due to Sea Level Rise in the San Francisco Bay and Delta Noah Knowles, USGS Menlo Park Projected sea level rise.
Fading to Blue: Effects of Inundation and Salinity on Tidal Marsh Vegetation V.T. Parker, L.M. Schile, J.C. Callaway & M.C. Vasey San Francisco State University.
Ecosystem Restoration Program Focused Proposal Solicitation Package 2010/2011 Prepared by ERP Implementing Agencies: California Department of Fish & Game.
Historical San Francisco Bay Shoreline Perspectives on the Past and Future Predicting the future of San Francisco Bay: learning from history UC Museum.
Salt Marsh Harvest Mouse An Animal Report Katie La Date: March 18.
Janes Creek and McDaniel Slough Past, Present, and Future.
Saginaw Bay Phragmites Control and Restoration Demonstration Project Julie Sims MDEQ, Water Bureau SBCI Regional Update Meeting Bay City, MI June 5, 2009.
The South Bay Salt Pond Restoration Project and Bay Water Quality SFEI Letitia Grenier, Jay Davis, Robin Grossinger.
U.S. Fish & Wildlife Service U.S. Fish & Wildlife Service Local Wetland and Roadside Invaders Who they are and How You Can Help Japanese Knotweed Pepperweed.
U.S. Department of the Interior U.S. Geological Survey Fort Collins Science Center Invasives Species Science Branch Science and Management Priorities for.
Salt Marshes Christopher Bednar. Introduction Environment in the Coastal Intertidal Zone Transitional environment between land and sea Dominated by halophytes.
Regional View Ballona Creek Watershed December 19, 2003 Area A & part of Area B (192 acres total) purchased for $139 million (Prop 50 funds) Area B.
Potential Impacts of Climate Change on Bay-Delta Tidal Marsh Vegetation V.T. Parker 1, J.C. Callaway 2, E.R. Herbert 1, M.C. Vasey 1, L.M. Schile 3 1 San.
Eurasian water-milfoil (Myriophyllum spicatum) By: Melissa Negron.
Exotic Weed Establishment and Movement Through Landscape Corridors. What are we doing about it? John Rademacher.
CHARACTERISTICS OF INVASIVE ALIEN SPECIES - INVASIVENESS AND INVASIBILITY: High invasiveness of species means that they are more likely to invade certain.
San Francisco Bay “Its All About the Sediment” Brenda Goeden San Francisco Bay Conservation and Development Commission.
Preserving Our Wetlands A Presentation of the Madison County Park System.
The Habitat Suitability Model (HSM) project was conducted in central Connecticut in The study site (8.5 km 2 ) surrounded a golf course that uses.
DSM2 Calibration Panel CE DataModels Elevation.
Digital Map from Dr. William Bowen California State University Northridge Sacramento- San Joaquin Delta San Joaquin River Sacramento River Suisun Bay San.
The SF Baylands. Changes around the SF Bay: There used to be 23 miles of sandy beaches along the SF bay. Now there are about seven miles of beaches. There.
Future Impacts to Land Subject to Coastal Storm Flowage Julia Knisel Coastal Shoreline & Floodplain Manager.
Daria Mazey Senior Project Planner, San Francisco District (415) US Army Corps of Engineers BUILDING STRONG ® San.
Hyojin Kim May 9 th 2008 California Water Symposium.
This is slide one Sea-Level Rise and Coastal Habitats of the Pacific Northwest: Application of a Model A Presentation for the 2009 Puget Sound Georgia.
The Adapting to Rising Tides Project San Francisco Bay Conservation and Development Commission Hayward Resilience Study.
Spartina alterniflora and Phragmites australis: Effects of Nutrients, Temperature, and Competition in Mesocosms Rene LegaultM.S. Biological Sciences Candidate,
LiDAR (Light Detection And Ranging) is a technology that can be used as a topographic survey for many projects, including wetland creation. Flying LiDAR.
Airborne Hyperspectral Research & Development for Invasive Species Detection and Mapping Kenneth McGwire 1, Timothy Minor 1, Bradley Schultz 2, and Christopher.
Alien Invaders!! Impacts of Invasive Plant Species in Oregon Erin Tirone.
1 Suborbital Science Program Airborne Remote Sensing of the SF Bay NASA Ames Research Center University of California Santa Cruz Airborne Science & Technology.
Preventive Weed Control. Weed control practices must be: Effective, economical, practical Safe to humans Safe to environment Minimal non-target.
Michigan Tech Research Institute (MTRI) Michigan Technological University 3600 Green Court, Suite 100 Ann Arbor, MI (734) – Phone
Climate Change and San Francisco Bay-Delta Tidal Wetlands V.T. Parker San Francisco State University and L.M. Schile, J.C. Callaway & M.C. Vasey San Francisco.
Conclusion: Whether Phragmites affects animal life in the area cannot for sure be determined. Unfortunately, this is the first year data is being collected.
Sand Transport in the San Francisco Bay Coastal System Patrick Barnard 1, Daniel Hanes 1, Li Erikson 1, Sand Transport in the San Francisco Bay Coastal.
2010 BIOSENTINEL MERCURY MONITORING IN THE NORTH BAY SALT PONDS Darell Slotton Shaun Ayers Department of Environmental Science and Policy University of.
Sword Fern Nephrolepis cordifolia (L.) Dryopteridaceae.
1. Digital Map from Dr. William Bowen California State University Northridge Sacramento- San Joaquin Delta San Joaquin River Sacramento River Suisun Bay.
Science Underpinning Restoration Are we ready? Today’s snippets are my opinion, examples – not answers !
U.S. Department of the Interior U.S. Geological Survey Buffelgrass Scenarios for Ironwood Forest National Monument Tracy Holcombe, Leonardo Frid, Catherine.
MODIS Estimate of Canopy Water Content Susan L. Ustin University of California Davis July 14, 2004.
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