Water Management

 © Photographed April 18, 2015
Horicon National Wildlife Refuge
Waupun, Dodge County, Wisconsin
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Water Management
The refuge is divided into 18 separate water management areas by a number of dikes (levees). These areas, or impoundments, can be drawn down or kept at higher levels individually to provide habitat for a diversity of migratory birds, creating deeper pools for diving ducks and mudflats for shorebirds. 

The amount and type of vegetation growing in the marsh is influenced by water levels. Wetlands are most productive when they undergo cycles of wet and dry periods. This enables native seeds to grow and nutrients to cycle. Refuge biologists frequently lower water levels in the spring to encourage growth of plants, such as sedges, smartweed, and beggartick. In the fall, these areas of new plant growth are reflooded to provide feeding areas for waterfowl on their southward migration.

Depending on the amount of rainfall, sometimes it is necessary to pump water from one impoundment to another or into the river to maintain desirable water levels.
The marker is at the sixth stop on the three-mile Horicon National Wildlife Refuge Auto Tour & Trails tour loop. The entrance to the Horicon National Wildlife Refuge | Tempike Auto Tour is located on eastbound Wisconsin Highway 49, about three miles east of the Wisconsin Highway 151 exit, Waupun, Wisconsin 53963.

"Horicon" -- a Mohican word meaning pure, clean water. 

Click here for more information and to view all markers on the tour.

 The marker is on the right.

 Staff adjusting stop logs in water control structure

Two impoundments with water control structure

 A little further up the road -- beautiful!

 Looking northeast across the marsh.

 Horicon National Wildlife Refuge Auto Tour and Walking Trails
( the auto tour is the circle of red dots)

The marker is located on the Horicon National Wildlife Refuge
Auto Tour & Trails in Horicon, Wisconsin.

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