Vertebrates Removed by Mechanical Weed Harvesting in Lake Keesus, Wisconsin

Booms, Travis L. (1999) Vertebrates Removed by Mechanical Weed Harvesting in Lake Keesus, Wisconsin. Journal of Aquatic Plant Management, 37, pp. 34-36.

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Mechanical weed harvesting has been used to control nuisance vegetation in Lake Keesus since 1979. Fish, turtles, and amphibians often become entangled in the vegetation and are incidentally removed from the lake while harvesting weeds. Mechanical harvesting removed 2 to 8% of the standing crop of juvenile fish in harvested areas in Saratoga Lake, New York (Mikol 1985) and 32% of the fish population in harvested areas in Orange Lake, Florida, representing an estimated replacement value of $6000 per ha (Haller et al. 19890). Engle (1990) found mechanical harvesting removed 21,000 to 31,000 fish per year from Lake Halverson, Wisconsin, representing 25% of the fry in the lake. Little other current information has been published concerning aquatic vertebrate removal by mechanical weed harvesting in Wisconsin, though it is a commonly used management tool. Additionally, only Engle (1990) reported information on the removal of turtles relative to weed harvesting, but none on amphibians. The objective of this study was to document the number, species, and size of vertebrates removed by mechanically harvesting weeds in Lake Keesus.

Item Type: Article
Title: Vertebrates Removed by Mechanical Weed Harvesting in Lake Keesus, Wisconsin
Personal Creator/Author:
Booms, Travis L.
Refereed: Yes
Journal or Publication Title: Journal of Aquatic Plant Management
Volume: 37
Page Range: pp. 34-36
Date: 1999
Latitude: 43.1667
Longitude: -88.5
Issuing Agency: Aquatic Plant Management Society, Inc.
Uncontrolled Keywords: Lake Keesus, Wisconsin; mechanical weed harvesting; aquatic weeds
Subjects: Conservation
Item ID: 1758
Depositing User: Natalie Wiest
Date Deposited: 24 Nov 2008 21:27
Last Modified: 29 Sep 2011 20:04

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