Riparian Restoration and Green Infrastructure Implementing Adaptive - - PowerPoint PPT Presentation

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Riparian Restoration and Green Infrastructure Implementing Adaptive - - PowerPoint PPT Presentation

Dec 01, 2023 496 likes •790 views

Riparian Restoration and Green Infrastructure Implementing Adaptive Management and Maintenance Within Restrictive, Commodity-Based Budgets Stan Wilson, Project Manager Environmental Survey Consulting Conceptually, adaptive management is

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Riparian Restoration and Green Infrastructure

Implementing Adaptive Management and Maintenance Within Restrictive, Commodity-Based Budgets

Stan Wilson, Project Manager • Environmental Survey Consulting

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Allan, Catherine, Stankey, George Henry. 2009.

“Conceptually, adaptive management is simply learning from past management actions to improve future planning and management. However, adaptive management has proved difficult to achieve in practice.”

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Stream Restoration

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Rain Gardens

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Disc Golf Courses (?!)

Photo credit: Houck Design

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Traditional Approaches

  • Low bid.
  • Boilerplate specifications, deliverable to municipal

accounting departments.

  • Performed under general (sitework) contractors.
  • Restoration contractor locked into specs.
  • Maintenance guidelines narrow, fixed.
  • Irrigation.
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The Need To Adjust

  • Vegetative response to site may not be as planned.
  • Weather, esp. rainfall fluctuations.
  • Desire to reduce irrigated projects.
  • Forestry approach.
  • Utilize passive restoration.
  • Improve results in the 3-5 year range, and beyond.
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Changing Condition: Flood

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Changing Condition: Invasives

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Changing Condition: Neighbor Input

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Getting to Adaptive Management Contracts

  • Stakeholder input from restoration professionals

and other potential bidders, brainstorming (list issues)

  • Pilot project – Oak Springs
  • 94 Bid Items, with additional lines for write-ins
  • Value based bid
  • Qualifications
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Benefits

  • Rapid response
  • Faster project tracks from concept to execution
  • Reduced water needs
  • City WPD control through process
  • Open dialog to communicate ideas
  • Not just counting for performance measurement
  • Utilizes knowledgeable professionals
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Oak Springs

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Oak Springs

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Oak Springs

Weeping lovegrass (Eragrostis curvula)

photo: USDA NRCS Tucson Plant Materials Center (PMC)

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Oak Springs Jamaican sawgrass

water willow gama grass

  • bedient plant

emory sedge three square bulrush hibiscus horsetail bushy bluestem Mexican primrose vine mesquite indian grass short spikerush water pennywort clover fern

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Shoal Creek Peninsula

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Shoal Creek Peninsula

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Shoal Creek Peninsula

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Maplewood

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Maplewood

hackberry texas ash cottonwood black walnut cedar elm carolina buckthorn evergreen yaupon pecan dogwood live oak soapberry

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Auditorium Shores Restoration

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Zilker Disc Golf (North Nine)

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Zilker Disc Golf (North Nine)

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Dottie Jordan Park

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Maintenance

  • Start early and often.
  • Monitor irrigation (if used), or hand water during

drought.

  • IPM, by hand/mechanical whenever possible.
  • Seedling care, focusing on most viable.
  • Supplemental seeding.
  • Monitoring.
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Credits and Thanks

  • Susan Kenzle, Mateo Scoggins, and the COA WPD Staff
  • Judy Walther, David Mahler, Ian Dean, Xavier Espinosa,

Tito Lopez, and Crew

  • Colleague firms who participated in the process