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Managing Land and Conserving Turtles. Challenge and Opportunity. Presented by Lauri Mullen Natural Resources Coordinator City of Eugene - Parks and Open Space Division. Golden Gardens. Delta Ponds. I-5. Eugene. Springfield. An Urban Floodplain Habitat Enhancement and Recreation Project.

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managing land and conserving turtles
Managing Land and Conserving Turtles

Challenge and Opportunity

Presented by Lauri Mullen

Natural Resources Coordinator

City of Eugene - Parks and Open Space Division









delta ponds1
Delta Ponds

Primary Goal: To reconnect the site to the Willamette River during high winter flows, primarily for juvenile Chinook salmon.Western Pond Turtles identified as one of the target species.Much of habitat enhancement work will benefit both species.

delta ponds challenges
Delta Ponds: Challenges

Urban setting

  • Development (loss of nesting habitat)
  • Recreation/human disturbance
  • Concentration of nests/abundance of predators
  • Introduced species

Depredated turtle nest

delta ponds opportunities
Delta Ponds: Opportunities


  • Est. 60 Western pond turtles
  • Known WPT nesting site
  • Public interest/education opportunities
  • Volunteer interest
  • Funding for habitat enhancement

Newly constructed nest habitat

golden gardens park

Golden Gardens Park:

Habitat and Safety Improvement Project

Improvements included:

One mile of new paths around ponds  More gradually sloping banks

 13,000 new native trees, shrubs, & emergent plants  Additional basking logs

 Emergency access roads and ramps to each pond  Removal of blackberry

golden gardens challenges
Golden Gardens: Challenges
  • Recreation/human disturbance
    • Trails
    • Fishing
    • Dog training
  • Future development
  • Introduced species
    • Red-eared sliders
    • Aquatic invasive species control
golden gardens opportunities
Golden Gardens: Opportunities
  • Western pond turtles appear to be successfully recruiting young into population
  • Abundant turtle nesting habitat
  • Opportunity to protect nesting habitat from future development
  • Public interest/education opportunities
non native turtle trapping in eugene

Non-Native Turtle Trapping in Eugene


Oregon Department of Fish and Wildlife – Christopher Yee

City of Eugene – Lauri Mullen

  • Collect morphological and reproductive data
  • Reduce competition with native turtles for nesting sites
  • Reduce non-native nest density, keying predators to nesting areas
  • Improve trapping efficiency

Lauri Mullen, Natural Resources Coordinator

City of Eugene - Parks and Open Space Division