40,000 NATIVE SEDGES STARTED REPAIRING A YOSEMITE MEADOW.
Three years in, the soil is improving. Full recovery may still take 25 to 50 years.
A long-running restoration experiment in Tuolumne Meadows is testing whether native sedges can rebuild the wet soil functions lost after historic grazing.
WHAT HAPPENED
Researchers planted 40,000 native sedge seedlings and tracked carbon and soil conditions for three years. The plants increased soil organic matter, but decomposition still exceeded new carbon storage. More than 20% of meadow topsoil remains exposed, and the team expects meaningful repair to take decades.
WHY THIS IS HOPESLOP
The hopeful part is not speed. It is measurement. The project replaced a vague promise to let nature heal with 40,000 rooted interventions and a willingness to watch for half a century. Early data says the soil is beginning to change.
ORIGINAL SOURCEColorado State University / JGR BiogeosciencesRead the original report
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