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Relationships between salmon abundance and tree-ring δ 15N: three objective testsAuthor(s): D.C. Drake; Paul J. Sheppard; Robert J. Naiman
Source: Canadian Journal of Forestry Research. 41: 2423-2432
Publication Series: Scientific Journal (JRNL)
Station: Pacific Northwest Research Station
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DescriptionQuantification of a relationship between salmon escapement in rivers and riparian tree-ring δ 15N could allow reconstruction of prehistorical salmon abundance. Unfortunately, attempts to quantify this link have met with little success. We examined the feasibility of the approach using natural abundance of δ 15N in riparian tree rings formed before and after extirpation of salmon and 15N tracer studies in a river and riparian soils.
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CitationDrake, D.C.; Sheppard, Paul J.; Naiman, Robert J. 2011. Relationships between salmon abundance and tree-ring δ 15N: three objective tests. Canadian Journal of Forestry Research. 41: 2423-2432.
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