Link to United States Department of AgricultureLink to USDA Agricultural Research ServiceLink to Northern Plains Agricultural Research Laboratory

Link to Team Leafy Spurge home


search TEAM site

Link to Leafy SpurgeLink to Intergrated Pest Management of leafy spurgeLink to Purge Spurge CDLink to Informational ProductsLink to PublicationsLink to Former TEAM website

Link to About TEAM

Events page

Link to Press Releases

Link to Frequently Asked Questions

Other Links

Link to AccomplishmentsLink to Contact Us

 Link to TEAM Leafy Spurge homeLink to United States Department of AgricultureLink to USDA Agricultural Research ServiceLink to USDA Animal and Plant Health Inspection Service



Society For Range Management 2004

TEAM Leafy Spurge Symposium

Program Schedule and Abstracts

January 27, 2004

Regional Findings


8:00-8:30 AM

Assessing area-wide biological control of leafy spurge in Montana and South Dakota

John T. Murphy*, Matthew S. Parker and Jack L. Butler


8:30-9:00 AM

Evaluation of biological control of leafy spurge in northeastern Wyoming

Amy P. Williams and David J. Kazmer*


9:00-9:30 AM

Soil seedbank and secondary succession relationship following control of leafy spurge using flea beetles

Donald R. Kirby*, John A. Kava, Dean A. Cline and Gerald L. Anderson


9:30-10:00 AM

Evaluating leafy spurge change over a ten-year period in Theodore Roosevelt National Park using multiple aerial imaging platforms

Gerald L. Anderson*, Raymond F. Kokaly, Steve N. Hager and Ralph R. Root


10:00-10:30  AM


Moderator: Bob Richard


10:30-11:00  AM

Effects of biological control on leafy spurge-infested rangeland

Luke W. Samuel*, Donald R. Kirby and Gerald L. Anderson


11:00-11:30  AM

Assessment of the extent and success of biological control agents for control of leafy spurge

Nancy M. Hodur, F. Larry Leistritz*, Dean A. Bangsund


11:30-12:00 NOON

Perceptions of leafy spurge and evaluation of the TEAM Leafy Spurge project by public land managers, local decision makers, and ranch operators

Nancy M. Hodur*, F. Larry Leistritz, Dean A. Bangsund


12:00-1:00 PM



Ecology and Control


1:00-1:20  PM

Effects of integrated chemical and biological methods for leafy spurge control on the western prairie fringed orchid

Ann M. Erickson, Rodney G. Lym* and Donald R. Kirby


1:20-1:40  PM

Ecological impacts of natural enemies of leafy spurge in four plant communities

Nik G. Wiman*, Robert M. Nowierski and David K. Weaver


1:40-2:00  PM

Impacts of grasshopper treatments on leafy spurge biological control agents

R. Nelson Foster*, K. Chris Reuter, L. Keith Winks, Terry E. Reule and Robert D. Richard


2:00-2:20  PM

A field evaluation of potential impact of leafy spurge biological controls on a non-target, native species

Stefanie D. Wacker* and Jack L. Butler


2:20-2:40  PM

Patterns of vegetation recovery following biological control of leafy spurge

Julie A. Laufmann and Jack L. Butler*


2:40-3:00  PM

Leafy Spurge: The search for new natural enemies

Gaetano Campobasso, Neal R. Spencer*, Gianni Terragitti and Margarita Yu. Dolgovskaya


3:00-3:20  PM


Moderator: Chad Prosser


3:20-3:40  PM

Effects of multi-species grazing and biocontrol on leafy spurge-infested rangeland using rotational grazing

Luke W. Samuel*, Kevin K. Sedivec, Jack D. Dahl, Lyndon L. Johnson and Timothy C. Faller


3:40-4:00 PM

Effects of herbicides on plant richness and biomass on leafy spurge infested rangeland

Chad W. Prosser* and Kevin K. Sedivek


4:00-4:20  PM

Integrated management of leafy spurge

James S. Jacobs* and Roger L. Sheley


4:20-4:40  PM

Nutritional composition of leafy spurge in North Dakota and Montana

Kevin K. Sedivek* and Chad W. Prosser


4:40-5:00  PM

Toward a decision support system for leafy spurge-infested plant communities

Matt J. Rinella*, Roger L. Sheley and Daniel Goodman


January 28, 2004

Remote Sensing


8:00-8:20  AM

Application of advanced remote sensing and modeling techniques for the detection and management of leafy spurge: Challenges and opportunities

Ralph R. Root*, Gerald L. Anderson, Steve N. Hager, Karl E. Brown, Kathleen B. Dudek,

Raymond F. Kokaly, Carol S. Mladinich, Susan F. Stitt and Monica Ruiz-Bustos


8:20-8:40  AM

Landscape assessment of leafy spurge at Theodore Roosevelt National Park, North Dakota: Modeling and mapping approach

Karl E. Brown* and Mohammed A. Kalkhan


8:40-9:00  AM

Mapping leafy spurge by identifying signatures of vegetation field spectra in Compact Airborne Spectrographic Imager (CASI) data

Raymond F. Kokaly*, Gerald L. Anderson, Ralph R. Root, Karl E. Brown,

Carol S. Mladinich, Steve N. Hager and Kathleen B. Dudek


9:00-9:20  AM

The use of Earth Observing-1 Hyperion data for mapping of leafy spurge

Ralph R. Root*, Pablo Zanco-Tejada, Carlos Pinilla, Susan Ustin,

Raymond F. Kokaly, Gerald L. Anderson, Steve N. Hager



Temporal monitoring of leafy spurge: An example using 1999 and 2001 Airborne Visible/Infrared Imaging Spectrometer (AVIRIS) data over Theodore Roosevelt National Park

Kathleen B. Dudek*, Ralph R. Root, Raymond F. Kokaly, Gerald L. Anderson, Karl E. Brown,

Carol S. Mladinich, Susan F. Stitt, Steve N. Hager and Michael A. Lefsky


9:40-10:00  AM

The use of Landsat 7 ETM+ data for mapping leafy spurge

Carol S. Mladinich*, Monica Ruiz-Bustos, Susan F. Stitt, Ralph R. Root, Karl E. Brown,

Gerald L. Anderson, and Steve N. Hager


10:00-10:20 AM


Moderator: Gerry Anderson


10:20-10:40 AM

Comparison of hyperspectral and multispectral remote sensing for leafy spurge

Raymond Hunt* and Amy P. Williams


10:40-11:00 AM

Application of eCognition to enhance the classification process for mapping leafy spurge

Monica Ruiz-Bustos, Carol S. Mladinich*, Susan F. Stitt, Ralph R. Root,

Gerald L. Anderson and Steve N. Hager


11:00-11:20 AM

The use of Earth Observing-1 Advanced Land Imager (ALI) data for mapping leafy spurge

Susan F. Stitt*, Ralph R. Root, Karl E. Brown, Steve N. Hager, Carol S. Mladinich,

Gerald L. Anderson, Kathleen B. Dudek, and Raymond F. Kokaly


11:20-11:40 AM

Issues of ortho-rectification of multi-source imagery for the mapping of leafy spurge

Carol S. Mladinich*, Thomas Owens, Gerald L. Anderson, Steve N. Hager and Ralph R. Root


11:40-12:00 PM

The Ecological Areawide Management (TEAM) of Leafy Spurge

Gerald L. Anderson*, Chad W. Prosser and Robert D. Richard

Back to top

*Presenter of abstract