US Army Corps of Engineers Institute for Water Resources. Step 6: Plan Selection. Leigh Skaggs, CECW-PC, and Erin Wilson, CEIWR Planning for Ecosystem Restoration PROSPECT 2010. Specify Problems & Opportunities. Corps Planning Process: Six Steps. Inventory & Forecast Conditions.
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US Army Corps of Engineers
Institute for Water Resources
Step 6: Plan Selection
Leigh Skaggs, CECW-PC, and Erin Wilson, CEIWR
Planning for Ecosystem Restoration
Inventory & Forecast
Evaluate Effects of
(ER 1105-2-100) - April 2000
(IWR Report 96-R-21)
NER Plan = Is it Worth it?
CEA/ ICA Results
Is it worth it?
Is it worth it?
Decision making guidelines:
Output target ?
Intended and Unintended Effects
NER Example #1: Elizabeth River Ecosystem Restoration
Wetlands & Sediment Sites
Wetlands Loss: > 50% since 1944
Health and Diversity
CE/ICA Results for Elizabeth River
A = Sugar Hill G = Woodstock Pk
B = Carolanne FarmsH = Lancelot Dr
C = Somme Ave I = Grandy Village
D = ScuffletownJ = ODU Drainage
E = NW Jordan BrK = Prtsmth City Pk
F = Crawford Bay
Second Best Buy Plan: 0.4 Mean ERM Quotient
Total Cost: $890,000 Total Score: 10.29
Incr. Cost: $476,200 Incr. Score: 2.45
Incr. Cost/ Unit: $194,367
First Best Buy Plan: 0.6 Mean ERM Quotient
Total Cost: $413,800 Total Score: 7.84
Incr. Cost: $413,800 Incr. Score: 7.84
Incr. Cost/ Unit: $52,781
Wrong timing & distribution of flows
Ditched and drained wetland systems
Alt 4 w/ artificial SAV habitat
Alt 6 w/ artificial SAV habitat
Watch for the signs & take time to reevaluate!