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      To die or not to die: early warnings of tree dieback in response to a severe drought

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          Temperature as a potent driver of regional forest drought stress and tree mortality

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            Structural Equation Modeling and Natural Systems

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              The interdependence of mechanisms underlying climate-driven vegetation mortality.

              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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                Author and article information

                Journal
                Journal of Ecology
                J Ecol
                Wiley
                00220477
                January 2015
                January 2015
                January 07 2015
                : 103
                : 1
                : 44-57
                Affiliations
                [1 ]ARAID; Instituto Pirenaico de Ecología (IPE-CSIC); Avda. Montañana 1005 50192 Zaragoza Spain
                [2 ]Departament d'Ecologia; Universitat de Barcelona; Avda. Diagonal 645 08028 Barcelona Spain
                [3 ]Instituto Pirenaico de Ecología (IPE-CSIC); Avda. Montañana 1005 50192 Zaragoza Spain
                [4 ]Department of Forest Mycology and Plant Pathology; Swedish University of Agricultural Sciences; Box 7026 S-750 07 Uppsala Sweden
                Article
                10.1111/1365-2745.12295
                94b56549-4cec-4ac1-83d0-e65158f0274d
                © 2015

                http://doi.wiley.com/10.1002/tdm_license_1.1

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