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Economic Impact of Milfoil
"A study showed lakefront property values could possibly decline by 10 to 20% in lakes infested with exotic aquatic plants (John Halstead, University of NH, unpublished study)."
- "Communicating with the Public on Aquatic Nuisance Species (ANS)", Final Report For the State of New Hampshire March 2006, New Hampshire Fish and Game Department International Association of Fish and Wildlife Agencies (page 25 section B)
"... researchers used an economic model based on property values to estimate damages to lakefront properties in New Hampshire from milfoil, an invasive aquatic weed that causes serious economic, recreational, and ecological damage. Their estimates showed that between 1990 and 1995, property values on milfoil-infested lakes were about 16% lower than similar properties on uninfested lakes."
- GAO report number GAO-03-1 entitled 'Invasive Species: Clearer Focus and Greater Commitment Needed to Effectively Manage the Problem' which was released on October 22, 2002 (page 28, middle of page).
"A 2003 University of New Hampshire analysis indicates that infestations of an exotic aquatic weed, specifically variable milfoil (Myriophyllum heterophyllum), may reduce lakefront property values by as much as 20 to 40% as compared to similar properties on uninfested lakes. (Halstead et al. 2003)"
- Connecticut Aquatic Nuisance Species Management Plan Draft, June 20, 2005, State of Connecticut, Department of Environmental Protection. (page 18, middle of page)
"A total of 61% of anglers, boaters and swimmers say they would decrease their intended visits to the Lakes Region if water clarity and purity grew poor(er). Of those who would decrease their intended visits, 27% would leave the state and 18% would leave the region. Approximately 17% would go to some unspecified location in New Hampshire, and 38% would remain in the region."
- Anne Nordstrom, Ph.D., published a recent study that addresses impact on visitor- and tourist-related parts of the region's economy. Page 33, Lakes Region data.