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Spatial coherence and change of opposite white spruce temperature sensitivities on floodplains in Alaska confirms early-stage boreal biome shift

Citation

Juday, Glenn P., Alix, Claire, and Grant, Thomas A., III, Spatial coherence and change of opposite white spruce temperature sensitivities on floodplains in Alaska confirms early-stage boreal biome shift: Forest Ecology and Management, no. 0.

Summary

Since the mid 1970s, Interior Alaska white spruce trees experienced markedly lower growth than during the 19th and early 20th centuries. This observation raises the question of forest persistence on certain sites of lowland central and eastern Alaska. We analyzed white spruce growth across a 36-site network (540 trees) on three major river floodplains in boreal Alaska along a longitudinal gradient from eastern Interior to the southwest tree limit to test for the presence of tree growth patterns and climate sensitivities. Chronologies are compared for temperature sensitivity at both stand and individual tree levels, using data from Bethel, McGrath, and Fairbanks NWS stations during the common period of 1952–2001. Cross-dated stand-level [...]

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Type Scheme Key
DOI http://sciencebase.gov/vocab/identifierScheme http://dx.doi.org/10.1016/j.foreco.2015.04.016
ISSN http://sciencebase.gov/vocab/identifierScheme 0378-1127

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