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Contact: Phyllis Green, 906-487-7140
HOUGHTON, MICH – The National Park Service (NPS) has prepared and approved a Record of Decision (ROD) for the Final Environmental Impact Statement to Address the Presence of Wolves at Isle Royale National Park (EIS). On June 7, 2018, Midwest Regional Director Cam Sholly signed the ROD selecting the Preferred Alternative and authorizing the Park to proceed with this effort to restore the predator-prey dynamic on the island. Approval of the ROD and EIS culminates an extensive public engagement and environmental impact analysis effort that began in 2015.
“This decision is an important step forward in attempting to obtain a proper predator-prey dynamic within the Isle Royale National Park ecosystem,” said Midwest Regional Director Cam Sholly. “We appreciate the intense public involvement throughout this process and look forward to continued outreach as this decision is implemented.”
The NPS will introduce wolves at Isle Royale to fulfill the function of the apex predator. Over a three to five year period, the NPS will introduce between 20-30 wolves on the island. This is the historical average number of wolves on Isle Royale and expected to have an immediate effect on the island moose population, which has not been subject to predator pressure for some time and is increasing. The most recent assessment of the wolf population indicates that two related individual animals remain within the park. The impacts of genetic inbreeding and the tenuous nature of ice bridge formation, which is the only mechanism for wolf repopulation, make it very unlikely that natural recovery of the wolf population can occur.
Without this action, the extirpation of wolves was expected, which raised concerns about possible effects to the current Isle Royale ecosystem, including impacts of an unchecked moose population and its indirect effect on forest/vegetation communities. Although wolves have not always been part of Isle Royale, they have been present for more than 65 years, and have played a key role in the ecosystem.
The NPS will now begin actively developing specific implementation strategies, and logistics for the capture, relocation, and introduction of wolves from the Great Lakes Region to Isle Royale.
The EIS, ROD and other reference documents can be found on the NPS Planning Environment and Public Comment (PEPC) website at https://parkplanning.nps.
About the National Park Service. More than 20,000 National Park Service employees care for the 417 parks in the National Park System and work with communities across the nation to help preserve local history and create close-to-home recreational opportunities. Visit us at www.nps.gov, on Facebook www.facebook.com/nati
Last updated: June 7, 2018