CWD, deer and predator study in full swing in southwest Wisconsin

(Wisconsin DNR photo)

MADISON — While inconsistent weather has provided challenges, a Department of Natural Resources Southwest Wisconsin Chronic Wasting Disease, Deer and Predator Study is underway with help from a number of partners and landowners.

The early stages of this groundbreaking research kicked off in the fall of 2016, which stemed from Gov. Scott Walker’s commitment to reevaluate chronic wasting disease in Wisconsin. This study will evaluate factors like predation, habitat conditions, hunter harvest, and CWD to measure impacts on deer survival and deer populations in southern Wisconsin.

“We’re able to monitor deer and predator movements like never before thanks to state-of-the-art GPS tracking technology,” said Kevin Wallenfang, DNR big game ecologist.

“The data that we’re getting back in the early stages of this study so far is just incredible — it will be awesome as we continue to receive information about wildlife movement, survival, and predation.”

This project relies heavily on cooperation from a number of volunteers. Wallenfang said DNR staff would like to thank the 113 landowners (and counting) who have agreed to assist with this research and remind others in southwest Wisconsin to consider becoming involved as the study moves forward.

Deer study 

DNR staff are currently trapping deer within two distinct study areas in portions of Dane, Iowa and Grant counties, with a goal of 1,200 deer captured over four years. The eastern most study area is found within the area of highest CWD prevalence, while the western most study area has a much lower rate.

As of late February 2017, 61 deer have been trapped.

“The warm weather and ice storms have hurt our deer capture efforts so far this season, but we continue to adapt to changing conditions and we’ll keep trapping through March.” said Dan Storm, a DNR deer research scientist. “Every bit of cold weather helps — in this latest brief cold-snap, we collared 19 deer in roughly 48 hours.”

Predator study

Through the predator portion of this study, DNR staff are monitoring coyote and bobcat populations within the same study area. GPS collars have been placed on four bobcats and seven coyotes so far, with a goal of 30 per year over 4 years.

Data received throughout the study will help provide a more definitive look at how predator abundance and distribution may impact deer populations.

For more information regarding the Southwest Wisconsin CWD, Deer and Predator Study and how to become involved, search the DNR website, dnr.wi.gov, for keywords “deer research.”

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