2022 Early Hearing Detection & Intervention Virtual Conference

March 13 - 15, 2022

5/24/2018 | 12:00 PM - 12:15 PM | RESPONSE TO THE NEW ZEALAND MUDSNAIL DISCOVERY IN WISCONSIN | 410 A

RESPONSE TO THE NEW ZEALAND MUDSNAIL DISCOVERY IN WISCONSIN

The first discovery of New Zealand mudsnails (Potamopyrgus antipodarum) (NZMS) in the inland Upper Midwest was in benthic samples collected from Black Earth Creek, Dane County in 2011. Following the discovery, a comprehensive monitoring and prevention project was implemented, including statewide winter benthic sampling and an environmental DNA (eDNA) pilot project. While benthic sampling did not detect new populations, the pilot project informed the design of a multistate eDNA surveillance effort where 45 sites in Iowa, Illinois, and Wisconsin were monitored for NZMS. The results provide a baseline understanding of NZMS distribution in the Midwest. Meanwhile, prevention efforts included partnering with the River Alliance of Wisconsin and Trout Unlimited to engage in wading angler outreach, constructing wader wash stations at known NZMS access points, and posting signs on other popular trout streams. This presentation will discuss monitoring and outreach efforts, their results, and future plans.

Monitoring
Genetics
Interdisciplinary

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Presenters/Authors

Maureen Ferry (), WI Department of Natural Resources, maureen.ferry@wisconsin.gov;