Herd Abundance Deer herd abundance is estimated annually with hunter-collected data and a mathematical model to get post hunt deer population estimates. Herd Abundance

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 …

Harvest trends are provided and summarized by Deer Management Unit (DMU). Harvest within each DMU is tracked by the type of harvest (antlered vs antlerless), land type (public vs private), and by …

Harvest trends can be used as a course indicator of population growth as harvest is a subset of the total population. Buck harvest trends can often reflect overall population trends with increasing buck …

Non-CWD: EHD was not detected in any county in 2022, 2023, or 2025. EHD History Epizootic hemorrhagic disease (EHD) is an acute, infectious, viral disease spread by biting insects (especially …

Attention: For Northern Forest Zone: Due to the 2025 boundary changes in the Northern Forest Zones, there is no historical data to provide. We will continue to build on this new dataset moving forward. …

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 …

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.

To better understand the use of strategic manage-ment to control EWM, we are tracking population trends and management actions on 24 lakes in Wis-consin. This study will help us assess costs and …

Deer Harvest & Population Trends Deer Harvest & Population Trends Deer population size and trends are important for interpreting other measure of deer abundance and harvest trends. Harvest Stats & …