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Torres-Ruiz JM, Cochard H, Delzon S, Boivin T, Burlett R, Cailleret M, Corso D, Delmas CEL, De Caceres M, Diaz-Espejo A, Fernández-Conradi P, Guillemot J, Lamarque LJ, Limousin JM, Mantova M, Mencuccini M, Morin X, Pimont F, De Dios VR, Ruffault J, Trueba S, Martin-StPaul NK. Plant hydraulics at the heart of plant, crops and ecosystem functions in the face of climate change. THE NEW PHYTOLOGIST 2024; 241:984-999. [PMID: 38098153 DOI: 10.1111/nph.19463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 11/05/2023] [Indexed: 01/12/2024]
Abstract
Plant hydraulics is crucial for assessing the plants' capacity to extract and transport water from the soil up to their aerial organs. Along with their capacity to exchange water between plant compartments and regulate evaporation, hydraulic properties determine plant water relations, water status and susceptibility to pathogen attacks. Consequently, any variation in the hydraulic characteristics of plants is likely to significantly impact various mechanisms and processes related to plant growth, survival and production, as well as the risk of biotic attacks and forest fire behaviour. However, the integration of hydraulic traits into disciplines such as plant pathology, entomology, fire ecology or agriculture can be significantly improved. This review examines how plant hydraulics can provide new insights into our understanding of these processes, including modelling processes of vegetation dynamics, illuminating numerous perspectives for assessing the consequences of climate change on forest and agronomic systems, and addressing unanswered questions across multiple areas of knowledge.
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Affiliation(s)
- José M Torres-Ruiz
- Université Clermont-Auvergne, INRAE, PIAF, 63000, Clermont-Ferrand, France
| | - Hervé Cochard
- Université Clermont-Auvergne, INRAE, PIAF, 63000, Clermont-Ferrand, France
| | - Sylvain Delzon
- University of Bordeaux, INRAE, UMR BIOGECO, Pessac, 33615, France
| | | | - Regis Burlett
- University of Bordeaux, INRAE, UMR BIOGECO, Pessac, 33615, France
| | - Maxime Cailleret
- INRAE, Aix-Marseille Université, UMR RECOVER, Aix-en-Provence, 13100, France
| | - Déborah Corso
- University of Bordeaux, INRAE, UMR BIOGECO, Pessac, 33615, France
| | - Chloé E L Delmas
- INRAE, Bordeaux Sciences Agro, ISVV, SAVE, F-33140, Villenave d'Ornon, France
| | | | - Antonio Diaz-Espejo
- Instituto de Recursos Naturales y Agrobiología (IRNAS), Consejo Superior de Investigaciones Científicas (CSIC), Seville, 41012, Spain
| | | | - Joannes Guillemot
- CIRAD, UMR Eco&Sols, Montpellier, 34394, France
- Eco&Sols, Univ. Montpellier, CIRAD, INRAe, Institut Agro, IRD, Montpellier, 34394, France
- Department of Forest Sciences, ESALQ, University of São Paulo, Piracicaba, 05508-060, São Paulo, Brazil
| | - Laurent J Lamarque
- Département des sciences de l'environnement, Université du Québec à Trois-Rivières, Trois-Rivières, G9A 5H7, Québec, Canada
| | | | - Marylou Mantova
- Agronomy Department, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, FL, 32611, USA
| | - Maurizio Mencuccini
- CREAF, Bellaterra (Cerdanyola del Vallès), Catalonia, E08193, Spain
- ICREA, Barcelona, 08010, Spain
| | - Xavier Morin
- CEFE, Univ Montpellier, CNRS, EPHE, IRD, Montpellier, 34394, France
| | | | - Victor Resco De Dios
- Department of Forest and Agricultural Science and Engineering, University of Lleida, Lleida, 25198, Spain
- JRU CTFC-AGROTECNIO-CERCA Center, Lleida, 25198, Spain
| | | | - Santiago Trueba
- University of Bordeaux, INRAE, UMR BIOGECO, Pessac, 33615, France
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Blackman CJ, Billon LM, Cartailler J, Torres-Ruiz JM, Cochard H. Key hydraulic traits control the dynamics of plant dehydration in four contrasting tree species during drought. TREE PHYSIOLOGY 2023; 43:1772-1783. [PMID: 37318310 PMCID: PMC10652334 DOI: 10.1093/treephys/tpad075] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 06/07/2023] [Accepted: 06/08/2023] [Indexed: 06/16/2023]
Abstract
Trees are at risk of mortality during extreme drought, yet our understanding of the traits that govern the timing of drought-induced hydraulic failure remains limited. To address this, we tested SurEau, a trait-based soil-plant-atmosphere model designed to predict the dynamics of plant dehydration as represented by the changes in water potential against those observed in potted trees of four contrasting species (Pinus halepensis Mill., Populus nigra L., Quercus ilex L. and Cedrus atlantica (Endl.) Manetti ex Carriére) exposed to drought. SurEau was parameterized with a range of plant hydraulic and allometric traits, soil and climatic variables. We found a close correspondence between the predicted and observed plant water potential (in MPa) dynamics during the early phase drought, leading to stomatal closure, as well as during the latter phase of drought, leading to hydraulic failure in all four species. A global model's sensitivity analysis revealed that, for a common plant size (leaf area) and soil volume, dehydration time from full hydration to stomatal closure (Tclose) was most strongly controlled by the leaf osmotic potential (Pi0) and its influence on stomatal closure, in all four species, while the maximum stomatal conductance (gsmax) also contributed to Tclose in Q. ilex and C. atlantica. Dehydration times from stomatal closure to hydraulic failure (Tcav) was most strongly controlled by Pi0, the branch residual conductance (gres) and Q10a sensitivity of gres in the three evergreen species, while xylem embolism resistance (P50) was most influential in the deciduous species P. nigra. Our findings point to SurEau as a highly useful model for predicting changes in plant water status during drought and suggest that adjustments made in key hydraulic traits are potentially beneficial to delaying the onset of drought-induced hydraulic failure in trees.
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Affiliation(s)
- Chris J Blackman
- ARC Centre of Excellence for Plant Success in Nature and Agriculture, School of Natural Sciences, University of Tasmania, Hobart 7001, Australia
- Université Clermont-Auvergne, INRAE, PIAF, Clermont-Ferrand 63100, France
| | - Lise-Marie Billon
- Université Clermont-Auvergne, INRAE, PIAF, Clermont-Ferrand 63100, France
| | - Julien Cartailler
- Université Clermont-Auvergne, INRAE, PIAF, Clermont-Ferrand 63100, France
| | - José M Torres-Ruiz
- Université Clermont-Auvergne, INRAE, PIAF, Clermont-Ferrand 63100, France
| | - Hervé Cochard
- Université Clermont-Auvergne, INRAE, PIAF, Clermont-Ferrand 63100, France
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Dickman LT, Jonko AK, Linn RR, Altintas I, Atchley AL, Bär A, Collins AD, Dupuy J, Gallagher MR, Hiers JK, Hoffman CM, Hood SM, Hurteau MD, Jolly WM, Josephson A, Loudermilk EL, Ma W, Michaletz ST, Nolan RH, O'Brien JJ, Parsons RA, Partelli‐Feltrin R, Pimont F, Resco de Dios V, Restaino J, Robbins ZJ, Sartor KA, Schultz‐Fellenz E, Serbin SP, Sevanto S, Shuman JK, Sieg CH, Skowronski NS, Weise DR, Wright M, Xu C, Yebra M, Younes N. Integrating plant physiology into simulation of fire behavior and effects. THE NEW PHYTOLOGIST 2023; 238:952-970. [PMID: 36694296 PMCID: PMC10952334 DOI: 10.1111/nph.18770] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Accepted: 12/20/2022] [Indexed: 06/17/2023]
Abstract
Wildfires are a global crisis, but current fire models fail to capture vegetation response to changing climate. With drought and elevated temperature increasing the importance of vegetation dynamics to fire behavior, and the advent of next generation models capable of capturing increasingly complex physical processes, we provide a renewed focus on representation of woody vegetation in fire models. Currently, the most advanced representations of fire behavior and biophysical fire effects are found in distinct classes of fine-scale models and do not capture variation in live fuel (i.e. living plant) properties. We demonstrate that plant water and carbon dynamics, which influence combustion and heat transfer into the plant and often dictate plant survival, provide the mechanistic linkage between fire behavior and effects. Our conceptual framework linking remotely sensed estimates of plant water and carbon to fine-scale models of fire behavior and effects could be a critical first step toward improving the fidelity of the coarse scale models that are now relied upon for global fire forecasting. This process-based approach will be essential to capturing the influence of physiological responses to drought and warming on live fuel conditions, strengthening the science needed to guide fire managers in an uncertain future.
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Affiliation(s)
- L. Turin Dickman
- Earth & Environmental Sciences DivisionLos Alamos National LaboratoryLos AlamosNM87545USA
| | - Alexandra K. Jonko
- Earth & Environmental Sciences DivisionLos Alamos National LaboratoryLos AlamosNM87545USA
| | - Rodman R. Linn
- Earth & Environmental Sciences DivisionLos Alamos National LaboratoryLos AlamosNM87545USA
| | - Ilkay Altintas
- San Diego Supercomputer Center and Halicioglu Data Science InstituteUniversity of California San DiegoLa JollaCA92093USA
| | - Adam L. Atchley
- Earth & Environmental Sciences DivisionLos Alamos National LaboratoryLos AlamosNM87545USA
| | - Andreas Bär
- Department of BotanyUniversity of Innsbruck6020InnsbruckAustria
| | - Adam D. Collins
- Earth & Environmental Sciences DivisionLos Alamos National LaboratoryLos AlamosNM87545USA
| | - Jean‐Luc Dupuy
- Ecologie des Forêts Méditerranéennes (URFM)INRAe84914AvignonFrance
| | | | | | - Chad M. Hoffman
- Department of Forest and Rangeland StewardshipColorado State UniversityFort CollinsCO80523USA
| | - Sharon M. Hood
- Rocky Mountain Research StationUSDA Forest ServiceMissoulaMT59801USA
| | | | - W. Matt Jolly
- Rocky Mountain Research StationUSDA Forest ServiceMissoulaMT59801USA
| | - Alexander Josephson
- Earth & Environmental Sciences DivisionLos Alamos National LaboratoryLos AlamosNM87545USA
| | | | - Wu Ma
- Earth & Environmental Sciences DivisionLos Alamos National LaboratoryLos AlamosNM87545USA
| | - Sean T. Michaletz
- Department of Botany and Biodiversity Research CentreThe University of British ColumbiaVancouverBCV6T 1Z4Canada
| | - Rachael H. Nolan
- Hawkesbury Institute for the EnvironmentWestern Sydney UniversityPenrithNSW2753Australia
- NSW Bushfire Risk Management Research HubWollongongNSW2522Australia
| | | | | | - Raquel Partelli‐Feltrin
- Department of Botany and Biodiversity Research CentreThe University of British ColumbiaVancouverBCV6T 1Z4Canada
| | - François Pimont
- Ecologie des Forêts Méditerranéennes (URFM)INRAe84914AvignonFrance
| | - Víctor Resco de Dios
- School of Life Sciences and EngineeringSouthwest University of Science and TechnologyMianyang621010China
- Department of Crop and Forest Sciences and JRU CTFC‐AGROTECNIOUniversitat de LleidaLleida25198Spain
| | - Joseph Restaino
- Fire and Resource Assessment ProgramCalifornia Department of Forestry and Fire ProtectionSouth Lake TahoeCA96155USA
| | - Zachary J. Robbins
- Earth & Environmental Sciences DivisionLos Alamos National LaboratoryLos AlamosNM87545USA
| | - Karla A. Sartor
- Environmental Protection and Compliance DivisionLos Alamos National LaboratoryLos AlamosNM87545USA
| | - Emily Schultz‐Fellenz
- Earth & Environmental Sciences DivisionLos Alamos National LaboratoryLos AlamosNM87545USA
| | - Shawn P. Serbin
- Environmental and Climate Sciences DepartmentBrookhaven National LaboratoryUptonNY11973USA
| | - Sanna Sevanto
- Earth & Environmental Sciences DivisionLos Alamos National LaboratoryLos AlamosNM87545USA
| | - Jacquelyn K. Shuman
- Climate and Global Dynamics Laboratory, Terrestrial Sciences SectionNational Center for Atmospheric ResearchBoulderCO80305USA
| | - Carolyn H. Sieg
- Rocky Mountain Research StationUSDA Forest ServiceFlagstaffAZ86001USA
| | | | - David R. Weise
- Pacific Southwest Research StationUSDA Forest ServiceRiversideCA92507USA
| | - Molly Wright
- Cibola National ForestUSDA Forest ServiceAlbuquerqueNM87113USA
| | - Chonggang Xu
- Earth & Environmental Sciences DivisionLos Alamos National LaboratoryLos AlamosNM87545USA
| | - Marta Yebra
- Fenner School of Environment and SocietyAustralian National UniversityCanberraACT2601Australia
- School of EngineeringAustralian National UniversityCanberraACT2601Australia
| | - Nicolas Younes
- Fenner School of Environment and SocietyAustralian National UniversityCanberraACT2601Australia
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