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Trends Ecol Evol. 2011 Oct;26(10):523-32. doi: 10.1016/j.tree.2011.06.003. Epub 2011 Jul 29.

The interdependence of mechanisms underlying climate-driven vegetation mortality.

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  • 1Los Alamos National Laboratory, Los Alamos, NM 87545, USA.


Climate-driven vegetation mortality is occurring globally and is predicted to increase in the near future. The expected climate feedbacks of regional-scale mortality events have intensified the need to improve the simple mortality algorithms used for future predictions, but uncertainty regarding mortality processes precludes mechanistic modeling. By integrating new evidence from a wide range of fields, we conclude that hydraulic function and carbohydrate and defense metabolism have numerous potential failure points, and that these processes are strongly interdependent, both with each other and with destructive pathogen and insect populations. Crucially, most of these mechanisms and their interdependencies are likely to become amplified under a warmer, drier climate. Here, we outline the observations and experiments needed to test this interdependence and to improve simulations of this emergent global phenomenon.

Copyright © 2011 Elsevier Ltd. All rights reserved.

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