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Understanding Land Fragmentation: Causes, Effects, and Future Recommendations in Lake Champlain

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This study explores the phenomenon of land fragmentation, where habitats are reduced to smaller patches, primarily due to human activities and geological processes. It examines the edge effects between fragmented habitats and their interiors, identifying major human causes such as agriculture, roads, and timber harvest. The research assesses the risks of land fragmentation in Lake Champlain’s watersheds, focusing on the impacts on aquatic ecosystems. Recommendations for zoning laws and habitat protection strategies are discussed to mitigate these effects and preserve environmental integrity.

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Understanding Land Fragmentation: Causes, Effects, and Future Recommendations in Lake Champlain

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  1. Land Fragmentation Beck Sinclair, Jessie MacQueen, Courtney Phillips

  2. "Habitat reduced from its original extent to a series of smaller patches or fragments" (Glennon and Kretser, 2005) Background • Can occur via geological processes or human practices

  3. Differences in the environmental and biotic conditions between edge and interior habitats Edge Effects

  4. Development • Roads • Agriculture • Timber Harvest Major Human Causes Burlington Free Press: Beaver Patrol

  5. To determine the risk of land fragmentation within the watersheds of the Lake Champlain Basin. Purpose Statement

  6. Effects Filter

  7. Agriculture • Roads • Urban • Industrial Sources with Known Effect

  8. Waste Water Treatment Plants • Dams Sources with Unsure Effect

  9. Marinas • Fisheries Sources with No Effect

  10. Impacts Filter

  11. Wetlands • Forest • Agriculture • Herbaceous Impacted Habitats

  12. Other lakes/ponds • Rivers/Streams • Developed Area Unsure Impacted Habitats

  13. Non-impacted Habitats • Lake Champlain <6ft • Lake Champlain >6ft

  14. Focus on aquatic habitats • Economic values effecting importance filter • Break up developed/urban source into more specific categories • Research zoning laws – is protection enough? Future Recommendations

  15. Bill Gill - Bailey-Howe Map Room • Dan Levy • Brian Voigt - Gund Institute • Pamela Johnson & Pooja Kanwar  • Breck Bowden & ENSC 202 Class Acknowledgments

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