Graduate Project
 

Beargrass (Xerophyllum tenax) in decline? An investigation into Region 6 harvest volumes

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https://ir.library.oregonstate.edu/concern/graduate_projects/7s75dm18g

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  • Non-timber forest products (NTFPs) have an extensive history of harvest in the United States. The Pacific Northwest is well-reputed as a major source of floral greens for international markets. One NTFP in particular, beargrass (Xerophyllum tenax), has been repeatedly identified as a prominent, high-value species in the floral greens industry despite its long history of non-commercial harvest. There is limited research available on beargrass populations, though certain studies claim beargrass populations declined in U.S. Forest Service Region 6 study sites. Beargrass declines will have detrimental effects on both the ecosystem services it provides to varied stakeholders and the ecological benefits it provides to its habitat if it is not actively managed. Analyzing data from U.S. Forest Service Cut and Sold Reports from 2010–2021 indicates Region 6 beargrass harvest experienced a significant decline in that period. Possible reasons for this decline are explored by examining social, ecological, and climate dynamics. While cut and sold reports offer the most comprehensive permit data, there are limitations to their explanatory ability. This study demonstrates a need for future research and collaborative inventory and monitoring so that NTFP species, including beargrass, are better understood, documented, and managed.
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