Buffers & Beavers Help Salmon at Pilchuck Tree Farm

Buffers & Beavers Help Salmon at Pilchuck Tree Farm

If you were a salmon traveling upstream, your chance of making it to your spawning bed hinges on many factors including the temperature and abundance of water. As a result, continuous streamside tree canopy and resident beavers are critical players in a salmon’s success. Trees shade and cool the water temperature, while beavers’ infrastructure supports consistent streamflow and helps create cool, deep pools. 

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Streamside Restoration at Polestar Farm

Streamside Restoration at Polestar Farm

In addition to its three riparian buffers, Polestar Farm is home to upwards of 20 beaver dams, creating a wetland nested within the forest. The slowed water caused by a beaver dam helps keep horse waste and other pollutants from entering the stream quickly, and also recharges groundwater. 

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