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 of aquatic …

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 that time an …

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 lakes in terms …

Introduction As part of the Lower Chippewa Basin Comprehensive Surface Water Resources Monitoring Program, the Plum Creek Watershed was sampled during the 1999 field season. The Plum Creek …

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 groups of county …

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 (Farmland Zone vs. …

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 as 1.5 year old …

EWM RESEARCH FACTS The non-native species Eurasian watermilfoil (EWM) has been documented in 540 Wisconsin waterbodies. We know where it occurs, but what are EWM populations in …

The following reports summarize the overall risk deer currently pose to forest regeneration by county. These reports are the first attempt to summarize and communicate these data in a manner that is …

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