Browse Prairie Research Institute by Contributor "Havera, Stephen"

  • Sparks, Richard E.; Blodgett, K. Douglas; Dillon, Frank S.; Cochran, William; Raim, Arlo; in't Veld, Aat; Havera, Stephen (Illinois Natural History Survey, 1991-12)
    Ammonia in the Illinois River | A Peregrine Tale: Part I | Species Spotlight: Eastern Bluebird

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  • Illinois Natural History Survey (1990-09)
    Human Disturbance of Waterfowl | Cleaning up Pesticide Waste | Survey Launches Tree Care Program | Long-term Resource Monitoring

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