USGS - science for a changing world

Upper Midwest Environmental Sciences Center

UMESC Teams Members

Spatial Ecology

Email: jdieck@usgs.gov
Phone: 608-781-6382
Fax: 608-783-6066

Principal Scientists

Email: jcnelson@usgs.gov
Phone: 608-781-6370

  • Team lead
  • Coordinator - UMESC/University of Wisconsin-La Crosse geospatial sciences internship program
  • Geospatial specialties
    • Developing data production/processing protocols
    • Data production/product development
    • Data servers

Email: tfox@usgs.gov
Phone: 608-781-6342

  • Geospatial specialties
    • Developing software interface programs that make complex geospatial modeling processes more accessible to field biologists
    • Decision Support Systems (DSS)

Email: jrohweder@usgs.gov
Phone: 608-781-6228

  • Geospatial specialties
    • Geospatial programming
    • Decision Support Systems (DSS)
  • Scientific lead - Landscape Ecology
  • Ecologist

Consulting and Support Staff

  • University of Wisconsin geospatial science interns
  • Geospatial specialties
    • Data production/product development

Email: wrichardson@usgs.gov
Phone: 608-781-6231

  • Scientific lead - lower trophic production (nutrients)
  • Research activities include:
    • Evaluating the factors that control aquatic primary production in large floodplain rivers
    • Determining the source and fate of primary production supporting the river food web
    • Evaluating the effects of hydraulic exchange of water (e.g., material transport into and out of floodplain backwaters), suspended particles, and soluites, on algal production and trophic pathways

Email: bknights@usgs.gov
Phone: 608-781-6354

  • Experimental design/planning/methods development
  • Data collection and analysis
  • Product preparation
 

Email: szigler@usgs.gov
Phone: 608-781-6395

  • Identify factors limiting the distribution, abundance, and species richness of native mussels in large rivers
  • Development of hydrophysical models to aid in the conservation and restoration of native mussel populations
  • Development of a mussel community assessment tool

Email: wthogmartin@usgs.gov
Phone: 608-781-6309

  • Scientific lead - landscape and habitat ecology
  • Research activities include:
    • Create geospatial tools for wildlife managers and decision makers, for science-based management of wildlife and plant populations
    • Develop geospatial models for rare or declining species, to identify existing habitats and sites with restoration potential

Email: jhlarson@usgs.gov
Phone: 608-781-6268

  • Research activities include:
    • Exploring the structure of Great Lakes rivermouth food webs using stable isotopes and fatty acid profiles
    • Assessing the influence of watershed characteristics over nutrient dynamics, food web structure and ecosystem processes
    • Determining the controls over and effects of essential fatty acids to the health of fish and other aquatic biota
  • Enrika Hlavacek
 

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URL: http://www.umesc.usgs.gov/spatial_ecology_team_personnel.html
Page Contact Information: Contacting the Upper Midwest Environmental Sciences Center
Page Last Modified: March 13, 2014