UNIVERSITY OF WISCONSIN-MADISON: Control, management, and prevention of spiny water flea

Purpose

UW-Madison is sponsoring a grant to assess ways to manage the impacts and prevent the spread of spiny waterflea in Wisconsin. 1) Diets of zooplanktivorous fish species and life stages will be assessed in Lake Mendota and Monona monthly from June to September in 2018 and 2019. Bioenergetic models will be created of species specific spiny waterflea consumption by using fish abundance data from the Center for Limnology Long-Term Ecological Research program (LTER) and fish diet data. These models will be used to determine if fish management practices could reduce the density and water quality impacts of spiny waterflea. 2) Gravity models will be used to estimate boater movement and propagule pressure of spiny waterflea. The propagule pressure will be combined with environmental suitability data to determine invasion risk for individual lakes. Spiny waterflea distribution and abundance will be monitored in vulnerable lakes. 3) Impacts of spiny waterfleas on Trout Lake will be assessed by comparing LTER zooplankton and water quality data from before and after the discovery of spiny waterflea. A Department liaison will oversee the proposed studies. Biannual check-in meetings with the liaison will occur and progress reports will be presented to Department staff. The first check-in meeting will occur before project work begins. Results will be shared at professional meetings (including the Wisconsin Lakes Convention) and published in peer-reviewed scientific journals. A short management brief, summarizing study findings for the general public, will be developed in collaboration with the Department. The final project report will include results, conclusions of studies and any project data in electronic format. It is recommended that the Grantee provide the DNR liaison with a draft report prior to requesting final payment.

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Aquatic Invasives Grant
AIRD11318
2018
Active
 
Activities & Recommendations
Grant Awarded
Grant AIRD11318 awarded