Transient Post-Fire Growth Recovery of Two Mediterranean Broadleaf Tree Species

Fires affect forest dynamics in seasonally dry regions such as the Mediterranean Basin. There, fire impacts on tree growth have been widely characterized in conifers, particularly pine species, but we lack information on broadleaf tree species that sprout after fires. We investigated post-fire radia...

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Main Authors: J. Julio Camarero, Cristina Valeriano, Miguel Ortega
Format: Article
Language:English
Published: MDPI AG 2024-10-01
Series:Fire
Subjects:
Online Access:https://www.mdpi.com/2571-6255/7/11/400
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author J. Julio Camarero
Cristina Valeriano
Miguel Ortega
author_facet J. Julio Camarero
Cristina Valeriano
Miguel Ortega
author_sort J. Julio Camarero
collection DOAJ
description Fires affect forest dynamics in seasonally dry regions such as the Mediterranean Basin. There, fire impacts on tree growth have been widely characterized in conifers, particularly pine species, but we lack information on broadleaf tree species that sprout after fires. We investigated post-fire radial growth responses in two coexisting Mediterranean hardwood species (the evergreen <i>Quercus ilex</i>, the deciduous <i>Celtis australis</i>) using tree-ring width data. We compared growth data from burnt and unburnt stands of each species subjected to similar climatic, soil and management conditions. We also calculated climate–growth relationships to assess if burnt stands were also negatively impacted by water shortage, which could hinder growth recovery. Tree-ring data of both species allowed us to quantify post-fire growth enhancements of +39.5% and +48.9% in <i>Q. ilex</i> and <i>C. australis</i>, respectively, one year after the fire. Dry spring climate conditions reduced growth, regardless of the fire impact, but high precipitation in the previous winter enhanced growth. High June radiation was negatively related to the growth of unburnt <i>Q. ilex</i> and burnt <i>C. australis</i> stands, respectively. Post-fire growth enhancement lasted for five years after the fire and it was a transitory effect because the growth rates of burnt and unburnt stands were similar afterwards.
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spelling doaj-art-e8c9114cfc1e4e789a80c427fbcebd3a2025-08-20T02:28:10ZengMDPI AGFire2571-62552024-10-0171140010.3390/fire7110400Transient Post-Fire Growth Recovery of Two Mediterranean Broadleaf Tree SpeciesJ. Julio Camarero0Cristina Valeriano1Miguel Ortega2Instituto Pirenaico de Ecología (IPE-CSIC), Avda. Montañana 1005, 50192 Zaragoza, SpainInstituto Pirenaico de Ecología (IPE-CSIC), Avda. Montañana 1005, 50192 Zaragoza, SpainInstituto Pirenaico de Ecología (IPE-CSIC), Avda. Montañana 1005, 50192 Zaragoza, SpainFires affect forest dynamics in seasonally dry regions such as the Mediterranean Basin. There, fire impacts on tree growth have been widely characterized in conifers, particularly pine species, but we lack information on broadleaf tree species that sprout after fires. We investigated post-fire radial growth responses in two coexisting Mediterranean hardwood species (the evergreen <i>Quercus ilex</i>, the deciduous <i>Celtis australis</i>) using tree-ring width data. We compared growth data from burnt and unburnt stands of each species subjected to similar climatic, soil and management conditions. We also calculated climate–growth relationships to assess if burnt stands were also negatively impacted by water shortage, which could hinder growth recovery. Tree-ring data of both species allowed us to quantify post-fire growth enhancements of +39.5% and +48.9% in <i>Q. ilex</i> and <i>C. australis</i>, respectively, one year after the fire. Dry spring climate conditions reduced growth, regardless of the fire impact, but high precipitation in the previous winter enhanced growth. High June radiation was negatively related to the growth of unburnt <i>Q. ilex</i> and burnt <i>C. australis</i> stands, respectively. Post-fire growth enhancement lasted for five years after the fire and it was a transitory effect because the growth rates of burnt and unburnt stands were similar afterwards.https://www.mdpi.com/2571-6255/7/11/400<i>Celtis australis</i>dendroecologyfire scar<i>Quercus ilex</i>post-fire recoveryradial growth
spellingShingle J. Julio Camarero
Cristina Valeriano
Miguel Ortega
Transient Post-Fire Growth Recovery of Two Mediterranean Broadleaf Tree Species
Fire
<i>Celtis australis</i>
dendroecology
fire scar
<i>Quercus ilex</i>
post-fire recovery
radial growth
title Transient Post-Fire Growth Recovery of Two Mediterranean Broadleaf Tree Species
title_full Transient Post-Fire Growth Recovery of Two Mediterranean Broadleaf Tree Species
title_fullStr Transient Post-Fire Growth Recovery of Two Mediterranean Broadleaf Tree Species
title_full_unstemmed Transient Post-Fire Growth Recovery of Two Mediterranean Broadleaf Tree Species
title_short Transient Post-Fire Growth Recovery of Two Mediterranean Broadleaf Tree Species
title_sort transient post fire growth recovery of two mediterranean broadleaf tree species
topic <i>Celtis australis</i>
dendroecology
fire scar
<i>Quercus ilex</i>
post-fire recovery
radial growth
url https://www.mdpi.com/2571-6255/7/11/400
work_keys_str_mv AT jjuliocamarero transientpostfiregrowthrecoveryoftwomediterraneanbroadleaftreespecies
AT cristinavaleriano transientpostfiregrowthrecoveryoftwomediterraneanbroadleaftreespecies
AT miguelortega transientpostfiregrowthrecoveryoftwomediterraneanbroadleaftreespecies