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Pipeline Ecosystem Study and Brush Control Case Study: Pig Island

This case study details the Integrated Vegetation Management (IVM) plan developed by the Army Corp of Engineers for Pig Island in Tennessee. The study covers the challenges of brush impeding access for inspections, the process of herbicide treatment, botanical studies, and wildlife habitat restoration along the gas pipeline. The successful management practices and outcomes are highlighted, including the establishment of wildlife food sources, native pollinators, and riparian grass buffers.

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Pipeline Ecosystem Study and Brush Control Case Study: Pig Island

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Presentation Transcript

  1. Army Corp of Engineers

  2. Developed IVM plan for Tennessee island ROW

  3. Hand cutting caused multiple sprouts & debris accumulation

  4. Brush impedes access for locating, testing, leak inspections

  5. Pig Island Case Study YMCA

  6. Botanical study initiated one year following brush mowing

  7. Pipeline Ecosystem Study began summer 2007 Hill center & lateral Valley center & lateral

  8. Columbia Gulf crew arrives to herbicide treat in fall 2007

  9. ATV Widecast herbicide treatment

  10. Good brush control where application is proper

  11. Some misapplication and rain allowed trees to remain in study transects

  12. Contractor donates selective application crew fall 2008

  13. 2008 selective backpack treatment of all missed brush

  14. YMCA peninsula managed Spring 2007 after mowing Summer 2009 after spraying

  15. Riparian grass buffer established Selective treatment with water-approved herbicides

  16. Trees eliminated from study sites Backpack Treatment 2008 Botanical Study 2009

  17. Tree % Ground Cover by study site Mow Spray 17

  18. natural gas pipeline safety, access, habitat restored

  19. State wildflower released Passion Flower

  20. Good wildlife food established Virginia wild oats

  21. Native Pollinators Benefit

  22. IVM - Ecosystem Management Workshop 10/15/09 Army Corp, Columbia Gulf, TVA

  23. Army Corp of Engineers • IVM Partners reviewed this case study and others with IVM and Ecosystem Management training to the Army Corp of Engineers Environmental Conference in Nashville, TN on March 17, 2010.

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