Restoration Approach 

OHA works with our team of partners both in and near the stream to restore the Triple Creek wetland. We mimic the work of beavers in the stream and establish native plants near the stream, to help the site become a thriving wetland again. 

Like beavers in the stream

How do we mimic beavers? The restoration team is focused on reducing the severe stream channel downcutting that disconnected Myers Creek from the floodplain. The project design mimics the work of beavers by using lines of wooden posts that are woven with branches to slow and redirect stream flows as needed. These structures, known as beaver dam analogues or BDAs, help capture sediment to build the streambed back up and raise the water table. They also help make the channel longer while reducing its slope, making the system more stable.

Check these structures out and how the stream interacts with them to create positive change:

Planting Near the Stream

A diverse and robust buffer zone will not only improve native vegetation but will encourage beavers to recolonize the area, and modify and maintain the site into the future.

Volunteers of all ages have helped plant several willow species, dogwood, cottonwood, chokecherry, elderberry, Douglas-fir, spruce, snowberry, spirea, and other species of trees and shrubs. As these plants grow, they will provide shade, healthy wetland function, habitat for wildlife

Bringing beavers back

Beavers have already shown increased interest in the project site, starting just a few days after construction began in 2016. Beavers even wove a post line themselves in 2017, before the project team could get to it!

Subscribe to OHA’s Triple Creek YouTube channel so you can see for yourself what has happened on the site.



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