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GLIN==> Workshop to Evaluate River Restoration Efforts

September 11, 2007

Source: Leslie Dorworth (219) 989-2726; dorworth@calumet.purdue.edu
Contact: Irene Miles (217)333-8055; miles@uiuc.edu

Workshop to Evaluate River Restoration Efforts

URBANA - Fish passages are designed to connect fragmented stream ecosystems that are typically separated by dams, culverts or levees. On November 7-8, at the latest workshop in the River Restoration Practices and Concepts Series, experts will discuss whether fish passages and other efforts to reconnect river systems are working.

Registration is now open for this two-day seminar and field workshop titled Fish Passage on Midwestern Streams: Evaluation of Stability and Functionality of Dam Removals, Constructed Fishways and Culvert Crossings. It will take place at the Illinois Institute of Technology in Wheaton, Illinois.

This latest workshop in the series is designed for professional fisheries managers, engineers, planners and others interested in this rapidly expanding area of river and stream restoration. The focus will be on evaluation of constructed fishways, dam removal, and culvert projects.

"Despite the increased effort and interest in fish passages in the Midwest, there is a little information on the effectiveness of the various approaches and their ability to reconnect stream communities and successfully restore ecosystems," said Leslie Dorworth, Illinois-Indiana Sea Grant (IISG) aquatic ecology specialist.

The first day of the workshop will include invited speakers who will discuss: modeling of fish passage, effectiveness of full-dam ramps; evaluation of Denil structures; use of telemetry for fish passage evaluation; road culvert designs for fish passage and hydrologic stability; stream bed simulation in culverts; case studies of ramps; bypass channels; and dam removals.

The second day will include a field trip to visit a number of project sites in the Chicago suburban area including: a dam removal on a large river; dam removals on a small tributary stream; a full-dam ramp and bypass channel on a large stream; and a Denil structure and fish and canoe passage channel on a large river.

You can find the registration brochure on the IISG web site at www.iisgcp.org. For more information please contact Leslie Dorworth at (219) 989-2726 or dorworth@calumet.purdue.edu. The workshop is sponsored by Illinois-Indiana Sea Grant, the American Fisheries Society and the North Central Division Rivers and Streams Technical Committee.

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