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Competition amplifies drought stress in forests across broad climatic and compositional gradients

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Gleason, K.E., Bradford, J.B., Bottero, A., D’Amato, A.W., Fraver, S., Palik, B.J., Battaglia, M.A., Iverson, L., Kenefic, L., and Kern, C.C., 2017, Competition amplifies drought stress in forests across broad climatic and compositional gradients: Ecosphere, v. 8, no. 7, http://dx.doi.org/10.1002/ecs2.1849.

Summary

Forests around the world are experiencing increasingly severe droughts and elevated competitive intensity due to increased tree density. However, the influence of interactions between drought and competition on forest growth remains poorly understood. Using a unique dataset of stand-scale dendrochronology sampled from 6405 trees, we quantified how annual growth of entire tree populations responds to drought and competition in eight, long-term (multi-decadal), experiments with replicated levels of density (e.g., competitive intensity) arrayed across a broad climatic and compositional gradient. Forest growth (cumulative individual tree growth within a stand) declined during drought, especially during more severe drought in drier climates. [...]

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  • National and Regional Climate Adaptation Science Centers
  • Northeast CASC

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Type Scheme Key
local-index unknown 70189790
local-pk unknown 70189790
doi http://www.loc.gov/standards/mods/mods-outline-3-5.html#identifier doi:10.1002/ecs2.1849
series unknown Ecosphere

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citationTypeArticle
journalEcosphere
languageEnglish
parts
typevolume
value8
typeissue
value7

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