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  • At 42 acres, Fette Island is one of the largest islands in French Creek, a major tributary of the Allegheny River. It was donated by Mr. and Mrs. John Fette and is the first island in the watershed to be protected by The Nature Conservancy.
  • French Creek is possibly the only river in the entire Ohio drainage with an historically intact ecosystem. It’s now seen as a conservation refuge for species that eventually could be reintroduced back into other parts of the river system.
  • Fette Island is a primeval landscape. The floodplain forest, lorded over by towering silver maples and sycamores, acts as a natural filter for runoff and sediment, and helps maintain high water quality
  • Federally endangered northern riffleshell and clubshell mussels inhabit the riffles at Fette Island, which lies in the Mystic Valley, a particularly biodiverse area of French Creek. Some of the mussels, which provide their river-cleansing benefit as they filter water to feed themselves, are 60- to 70-years-old.
  • Federally endangered northern riffleshell and clubshell mussels inhabit the riffles at Fette Island, which lies in the Mystic Valley, a particularly biodiverse area of French Creek. Some of the mussels, which provide their river-cleansing benefit as they filter water to feed themselves, are 60- to 70-years-old.
  • In addition to habitat for rare mussel, fish and amphibian species in the waters surrounding it, Fette Island itself is home to wading and wetland birds, migrating songbirds, amphibians, spring ephemerals and more.
  • French Creek is the most biologically diverse river in the northeastern United States and contains 28 species of native mussels and 89 species of native fish, including almost all native species present when George Washington followed the river before the French and Indian War.
  • French Creek is possibly the only river in the entire Ohio drainage with an historically intact ecosystem. It’s now seen as a conservation refuge for species that eventually could be reintroduced back into other parts of the river system.
  • The Conservancy has been active in the Pennsylvania portion of the French Creek watershed since helping to acquire land near Lake Pleasant in 1995. The Central and Western New York chapter began work in its part of the watershed in 1991.
New York
Central & Western: French Creek

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