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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1111/nph.18614
|2 doi
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|a pubmed24n1162.xml
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|a (DE-627)NLM348805349
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|a (NLM)36366950
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Ruffault, Julien
|e verfasserin
|4 aut
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| 245 |
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|a Plant hydraulic modelling of leaf and canopy fuel moisture content reveals increasing vulnerability of a Mediterranean forest to wildfires under extreme drought
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 20.01.2023
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|a Date Revised 01.02.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2022 The Authors. New Phytologist © 2022 New Phytologist Foundation. This article has been contributed to by US Government employees and their work is in the public domain in the USA.
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|a Fuel moisture content (FMC) is a crucial driver of forest fires in many regions world-wide. Yet, the dynamics of FMC in forest canopies as well as their physiological and environmental determinants remain poorly understood, especially under extreme drought. We embedded a FMC module in the trait-based, plant-hydraulic SurEau-Ecos model to provide innovative process-based predictions of leaf live fuel moisture content (LFMC) and canopy fuel moisture content (CFMC) based on leaf water potential ( ψ Leaf ). SurEau-Ecos-FMC relies on pressure-volume (p-v) curves to simulate LFMC and vulnerability curves to cavitation to simulate foliage mortality. SurEau-Ecos-FMC accurately reproduced ψ Leaf and LFMC dynamics as well as the occurrence of foliage mortality in a Mediterranean Quercus ilex forest. Several traits related to water use (leaf area index, available soil water, and transpiration regulation), vulnerability to cavitation, and p-v curves (full turgor osmotic potential) had the greatest influence on LFMC and CFMC dynamics. As the climate gets drier, our results showed that drought-induced foliage mortality is expected to increase, thereby significantly decreasing CFMC. Our results represent an important advance in our capacity to understand and predict the sensitivity of forests to wildfires
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a climate change
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| 650 |
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|a drought
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| 650 |
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|a forest flammability
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| 650 |
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|a live fuel moisture content
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| 650 |
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|a plant hydraulics
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| 650 |
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4 |
|a process-based modelling
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| 650 |
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4 |
|a tree mortality
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| 650 |
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4 |
|a wildfire
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| 650 |
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|a Water
|2 NLM
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| 650 |
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|a 059QF0KO0R
|2 NLM
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| 700 |
1 |
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|a Limousin, Jean-Marc
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pimont, François
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dupuy, Jean-Luc
|e verfasserin
|4 aut
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| 700 |
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|a De Càceres, Miquel
|e verfasserin
|4 aut
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| 700 |
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|a Cochard, Hervé
|e verfasserin
|4 aut
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| 700 |
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|a Mouillot, Florent
|e verfasserin
|4 aut
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| 700 |
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|a Blackman, Chris J
|e verfasserin
|4 aut
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| 700 |
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|a Torres-Ruiz, José M
|e verfasserin
|4 aut
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| 700 |
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|a Parsons, Russell A
|e verfasserin
|4 aut
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| 700 |
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|a Moreno, Myriam
|e verfasserin
|4 aut
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| 700 |
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|a Delzon, Sylvain
|e verfasserin
|4 aut
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| 700 |
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|a Jansen, Steven
|e verfasserin
|4 aut
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| 700 |
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|a Olioso, Albert
|e verfasserin
|4 aut
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|a Choat, Brendan
|e verfasserin
|4 aut
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| 700 |
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|a Martin-StPaul, Nicolas
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 237(2023), 4 vom: 23. Feb., Seite 1256-1269
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
1 |
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|g volume:237
|g year:2023
|g number:4
|g day:23
|g month:02
|g pages:1256-1269
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|u http://dx.doi.org/10.1111/nph.18614
|3 Volltext
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