Army Corp of Engineers
Developed IVM plan for Tennessee island ROW
Hand cutting caused multiple sprouts & debris accumulation
Brush impedes access for locating, testing, leak inspections
Pig Island Case Study YMCA
Botanical study initiated one year following brush mowing
Pipeline Ecosystem Study began summer 2007 Hill center & lateralValley center & lateral
Columbia Gulf crew arrives to herbicide treat in fall 2007
ATV Widecast herbicide treatment
Good brush control where application is proper
Some misapplication and rain allowed trees to remain in study transects
Contractor donates selective application crew fall 2008
2008 selective backpack treatment of all missed brush
YMCA peninsula managed Spring 2007 after mowingSummer 2009 after spraying
Riparian grass buffer established Selective treatment with water- approved herbicides
Trees eliminated from study sites Backpack Treatment 2008Botanical Study 2009
17 Tree % Ground Cover by study site Mow Spray
natural gas pipeline safety, access, habitat restored
State wildflower released Passion Flower
Good wildlife food established Virginia wild oats
Native Pollinators Benefit
IVM - Ecosystem Management Workshop 10/15/09 Army Corp, Columbia Gulf, TVA
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.