Browse Prairie Research Institute by Subject "Surveys"

  • Sparks, Richard E.; Starrett, William Charles (Champaign : Illinois Natural History Survey, 1975-08)
    1. The upper Illinois River is warmer than the lower River, as a result of warm municipal and industrial effiuents. 2. The upper river is less turbid, because the bottom is generally rocky, whereas Peoria, La Grange, and ...

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  • Douglass, Sarah A.; Dreslik, Michael J.; Phillips, Christopher A. (Illinois Natural History Survey, 2016-03-16)
    EXECUTIVE SUMMARY•Sampled 14 sites in total: 9 sites on 4 streams within the Des Plaines River basin, 4 sites on Squaw Creek (Fox River basin), and 1 site on the Des Plaines (Illinois River basin)•Spent 27 person-hours ...

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