Population Statistics & Trends Fawn to doe ratios and yearling buck percentages are used to help estimate the deer herd size annually and is the starting point for setting antlerless harvest quotas.

The primary objective of Long Term Trend (LTT) Lakes monitoring is to document long-term trends in lake water chemistry. This data set also provides context for water chemistry in other …

CWD was first detected in Wisconsin in 2002 when three deer taken by hunters in the fall of 2001 near the village of Mount Horeb, about 10 miles southwest of Madison, tested positive. Since …

Eurasian watermilfoil: long-term trends in unmanaged populations The Wisconsin Department of Natural Resources conducts and supports a variety of projects that improve our understanding …

Wisconsin Deer Metrics

Deer herd abundance is estimated annually with hunter-collected data and a mathematical model to get post hunt deer population estimates. For additional Information….

Harvest Statistics

Fawn to doe ratios (FDRs) collected in late summer give information on fawn recruitment and survival. FDRs from Summer Deer Observation (SDO) surveys were summarized using …

The yearling doe percentage is estimated from aging data of harvested does and is used as an input into the formula for annual deer herd abundance estimation. Here, yearlings are defined …

A variety of antlerless tags are available to hunters each year. The number of antlerless tags issued is tracked, and since 2016 the department can also determine which tag type …