Photograph as originally submitted to this page in the Historical Marker Database www.HMdb.org. Click on photo to resize in browser. Scroll down to see metadata.

Photographer: K. Linzmeier
Taken: September 18, 2014
Caption: The Bypass Channel and Ladder
Additional Description: Screens on the bypass channel direct fish to the ladder leading into the facility.
Steps of the fish ladder create a series of small waterfalls that lead fish into the ponds and egg collection building.
In natural systems, flowing water, riffles and small waterfalls entice fish to migrate upstream in their drive to reach spawning beds.
Screens on the bypass channel can be removed when northern pike, white suckers, smallmouth bass and other links in the food chain are present to allow them to pass upstream. Likewise, the screens can be kept in to keep undesirable fish like carp and sea lamprey from expanding their ranges.
Submitted: September 28, 2014, by Keith L of Wisconsin Rapids, Wisconsin.
Database Locator Identification Number: p287214
File Size: 7.608 Megabytes

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