Browse Prairie Research Institute by Contributor "Helm, Charles"

  • Heske, Edward J.; Ruffatto, Danielle M (Illinois Natural History Survey, 2014)

    application/pdf

    application/pdfPDF (98MB)
  • Illinois Natural History Survey (1999-01)
    Franklin's Ground Squirrel: An Increasingly Rare Prairie Mammal | Forest Regeneration and Understory Dynamics Following the 1993 Flood on the Illinois River | Development and Application of a Gambusia Bioenergetic Model | ...

    application/pdf

    application/pdfPDF (16MB)
  • Illinois Natural History Survey (2000)
    Urban Ecology in Illinois | Lake Calumet- The Dream of Recovery | Research and Outreach Try to Stem Tide of Exotic Invasions in Lake Michigan | Plant Stress- Its Relationship to Arthropod Pests in Urban Landscapes | ...

    application/pdf

    application/pdfPDF (2MB)
  • Illinois Natural History Survey (1989-11)
    Male Minnows Build Spawning Nests | Fisheries Research Programs on Lake Michigan | Insect Defoliation/Weed Competition Interactions in Soybeans

    application/pdf

    application/pdfPDF (1MB)
  • Illinois Natural History Survey (2001)
    Exotic Species Education and Outreach | Fruit Complementarity in Feeding Birds | Applying Geographic Information Systems Technology to the Ecological Risk Assessment Process in Illinois | Physiological Telemetry in Fisheries ...

    application/pdf

    application/pdfPDF (2MB)
  • Illinois Natural History Survey (2012)
    The Origins of Ornamental Acalypha | Environmental Stress Makes Mosquitoes More Competent Competitors | Status Assessment Survey for Springtails (Collembola) in Caves of Illinois' Salem Plateau | River Otter Reintroduction ...

    application/pdf

    application/pdfPDF (7MB)