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Temperature as a potent driver of regional forest drought stress and tree mortality
Author(s) -
Park Williams,
Craig D. Allen,
Alison K. Macalady,
Daniel Griffin,
Connie A. Woodhouse,
David M. Meko,
Thomas W. Swetnam,
Sara A. Rauscher,
Richard Seager,
Henri D. GrissinoMayer,
Jeffrey Dean,
Edward R. Cook,
Chandana Gangodagamage,
Michael Cai,
Nate G. McDowell
Publication year - 2012
Publication title -
nature climate change
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.749
H-Index - 189
eISSN - 1758-6798
pISSN - 1758-678X
DOI - 10.1038/nclimate1693
Subject(s) - climate change , precipitation , productivity , environmental science , vapour pressure deficit , forest ecology , bark beetle , ecosystem , geography , agroforestry , ecology , bark (sound) , forestry , biology , transpiration , photosynthesis , botany , meteorology , economics , macroeconomics
As the global climate changes, drought is expected to reduce productivity and tree survival across many forests; however, the relative influence of climate variables on forest decline remains poorly understood. A drought-stress index based on tree-ring data—newly developed for the southwestern United States—is found to be equally influenced by evaporation (primarily temperature driven) and precipitation and may serve as a holistic forest-vigour indicator in water-limited forests.

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