The 2025 Johnson Creek Science Symposium highlighted the latest research and restoration projects shaping Johnson Creek and its surrounding ecosystems. From amphibian field guides to floodplain and wetland restoration, long-term data analysis, and the Confluence Project, presenters shared discoveries that reveal how our watershed is changing—and what that means for the future.

Presentation TitlePresenter NamePresenter Agency
Cedar Crossing: Three Years of Ecology, Form, and ProcessNick CookOTAK
Johnson Creek Confluence Restoration ProjectHolly BaineJohnson Creek Watershed Council
SE Linwood Ave Project: Improved Stormwater Management and the New Pedestrian Bridge across Johnson CreekAndrew SwansonClackamas Water Environment Services
The Good Governance Ride: Pushing the Envelope in Urban Flood Management and River RestorationRoslyn GrayPortland Bureau of Environmental Services
Findings, Trends, and Management Implications of the Community Science ProgramKatie HolzerCity of Gresham
Community Science: Missed Opportunities or Community ConnectionsSara VolkJohnson Creek Watershed Council
State of Amphibeing: Ecological Storytelling for Oregon’s Extraordinary AmphibiansSuze WehrOregon State University
What do the Bugs Say? Aquatic Macroinvertebrate trends in long-term Gresham Monitoring SitesZee Searles MazzacanoCASM Environmental
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