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Beaver Returns to Creek After 19 Years
17 Aug
Summary
- Beaver spotted in Strawberry Creek after 19 years absence.
- Fire impacted creek habitat; restoration efforts then began.
- Human-built structures mimic beaver dams to aid ecosystem.
A beaver has been spotted in Strawberry Creek, Great Basin National Park, for the first time in 19 years. Park staff observed freshly cut quaking aspen trees in 2024, indicating the beaver's presence near a human-built beaver dam analogue. This return is a remarkable sign of ecological recovery following the 2016 Strawberry Fire, which devastated 2,790 acres and critically impacted the creek's habitat.
The fire drastically altered Strawberry Creek, harming its riparian zones and its population of Bonneville cutthroat trout. In response, the National Park Service initiated low-tech, process-based restoration (LTPBR) starting in 2021. This involved constructing 74 structures, including beaver dam analogues, to slow water, capture sediment, and create deeper pools, mimicking natural beaver functions.
Monitoring from 2021 to 2024 showed positive results, with Bonneville cutthroat trout numbers more than doubling and slower-moving pool habitat increasing by 10%. The beaver's recent appearance, with trees felled directly onto one of the analogues, demonstrates that the restoration is creating conditions favorable for these natural ecosystem engineers.
While the beaver did not build a lodge and has since moved on, its interaction with the restored creek offers a clear glimpse into the success of nature-based restoration. The National Park Service hopes that continued efforts will encourage beavers to permanently return and resume their vital role in maintaining the ecosystem.
