Post-fire resprouting ability of 15 non-dominant shrub and tree species in Mediterranean areas of NE Spain

Quevedo, Lídia; Rodrigo, Anselm; Espelta, Josep María

doi:10.1051/forest:2007070

Cited by 42 publications

(29 citation statements)

References 38 publications

(52 reference statements)

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“…As found in other studies (e.g., Moravec 1990), five years after fire there is usually a high rate of pine establishment. Mortality of maritime pine seedlings is essentially affected by interspecific competition (Fernandes & Rigolot 2007), particularly with shrub species, whose detrimental effects on genus Pinus have been often described (De las Heras et al 2002, Quevedo et al 2007). Moreover, seeder species persistence could be endangered by the alteration of fire regimes, leading to differnces according to theit range of tolerance (Verdú et al 2007).…”

Section: Discussionmentioning

confidence: 99%

Post-fire effects and short-term regeneration dynamics following high-severity crown fires in a Mediterranean forest

Marzano¹,

Lingua²,

Garbarino³

2012

iForest

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© iForest -Biogeosciences and Forestry IntroductionFire is recognized as the most important natural disturbance in Mediterranean ecosystems (Trabaud 1994, Whelan 1995. In the Mediterranean basin, given the long historical human impact on ecosystems, the incidence of fire has always been particularly high (Le Houérou 1987, Trabaud 1987a. In addition to natural causes of ignition, burning was one of the management tools commonly used by man (Naveh 1975, Lloret & Marí 2001. Fire thus acted as a fundamental factor on ecosystem functioning and as a major ecological driver of vegetation changes (Attiwill 1994, Moreno & Oechel 1994, Lavorel et al. 1998, by modeling landscapes (Gillson 2009) and contributing to maintain habitat heterogeneity and biological diversity (Moreira et al. 2001, Blondel et al. 2010.Even though fires have been a major factor in Mediterranean ecosystems for millennia, the general trend in number of fires and area burned in European Mediterranean areas has dramatically increased during the last decades, principally due to land-use and climatic changes (Piñol et al. 1998, Lloret & Marí 2001, Mouillot et al. 2002, González & Pukkala 2007, Pausas & Fernández-Muñoz 2012. According to the predicted climate change scenarios for the Mediterranean region, further increases in wildfire frequency and burned areas are expected (Carvalho et al. 2008, Good et al. 2008.Although Mediterranean vegetation is able to cope with fire (Trabaud 1987a, Pausas 1999a, alterations in the fire regime (in terms for instance of higher fire recurrence or incidence of large events) can generate important consequences for Mediterranean ecosystems (Zedler et al. 1983, Vázquez & Moreno 2001 and their plant diversity. Given the very strong effect of fire on vegetation, plant distribution and ecosystem function could likely be more heavily affected by the ongoing modifications in fire regime consequent to global changes than by the direct effect of climate changes (Pausas & Fernández-Muñoz 2012). Moreover, the combined impact of these fire regime changes and enlarged environmental limitations for post-fire tree recruitment could deeply affect the species composition of Mediterranean forests (Peñuelas & Filella 2001, Peñuelas et al. 2002, Lloret et al. 2004, 2009.It is well documented that Mediterranean ecosystems recover readily after fire through an autosuccessional process (Hanes 1971, Trabaud 1994) based on efficient regeneration strategies. Post-fire recovery is usually realized by direct regeneration, i.e., the fast recovery of a plant community made up by the same species pool that existed before the disturbance (Rodrigo et al. 2004). Two main plant regeneration strategies conferring resilience to Mediterranean ecosystems are the capacity to resprout after fire (resprouter species), and the stimulation of the recruitment by fire (seeder species -Bond & van Wilgen 1996, Verdú et al. 2007). In several fire-prone communities varying proportions of woody sprouters and seeders are included (Hodgkinson 1998. Fire regime may influenc...

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Section: Discussionmentioning

confidence: 99%

Post-fire effects and short-term regeneration dynamics following high-severity crown fires in a Mediterranean forest

Marzano¹,

Lingua²,

Garbarino³

2012

iForest

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“…However, the effects were somewhat species-specific (Table 1): i.e., one of the species more affected by fire was J. oxycedrus [27,38], while P. angustifolia and A. unedo were among the ones with a better response [37,54,55]. Moreover, resprouting vigour varied according to the individual size before the wildfire event ( Figure A1, [37]) and thus, individuals that were bigger in terms of stumps surface, produced more vigorous resprouts (taller and leafier) after the fire.…”

Section: Discussionmentioning

confidence: 99%

“…For resprouter species, the effects of fire severity on the resprouting vigour (maximum sprout height, crown cover and biovolume) was analysed by means of three different GLMMs including plot as a random factor. In these analyses, we also included the species and the number and surface of stumps per individual to account for species-specific differences and the influence of the previous size of individuals before the fire [37,38]. In all cases, inspection of residuals was carried out to check for normality and homoscedasticity.…”

Section: Discussionmentioning

confidence: 99%

Contrasting Effects of Fire Severity on the Regeneration of Pinus halepensis Mill. and Resprouter Species in Recently Thinned Thickets

García‐Jiménez

Palmero‐Iniesta

Espelta

2017

Forests

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Abstract:Many studies have outlined the benefits for growth and reproduction resulting from thinning extremely crowded young forests regenerating after stand replacing wildfires ("thickets"). However, scarce information is available on how thinning may influence fire severity and vegetation regeneration in case a new fire occurs. We investigated the relationship between thinning and fire severity in P. halepensis thickets, and the effects on the establishment of pine seedlings and resprouting vigour in resprouter species the year after the fire. Our results show a positive relationship between forest basal area and fire severity, and thus reserved pines in thinned stands suffered less fire damage than those in un-thinned sites (respectively, 2.02 ± 0.13 vs. 2.93 ± 0.15 in a scale from 0 to 4). Ultimately, differences in fire severity influenced post-fire regeneration. Resprouting vigour varied depending on the species and the size of individuals but it was consistently higher in thinned stands. Concerning P. halepensis, the proportion of cones surviving the fire decreased with fire severity. However, this could not compensate the much lower pine density in thinned stands and thus the overall seed crop was higher in un-thinned areas. Establishment of pine seedlings was negatively affected by the slope and positively driven by the number of cones and thus it was higher in un-thinned than in thinned stands (respectively, 2581 ± 649 vs. 898 ± 325 seedlings·ha −1 ). Thinning decreases fire intensity, and thus it may facilitate fire suppression tasks, but retaining a higher density of pines would be necessary to ensure P. halepensis regeneration after a new fire event.

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“…This ranking is somewhat unexpected when considering the ecosystems in which the species occur naturally, which might suggest a higher ranking of the Sorbus species. Both Sorbus species typically occur in xerothermic Mediterranean ecosystems ( [90,91]; Table 1), whereas Acer platanoides is often regarded as a temperate to sub-boreal species [92,93] with a broad range of suitable site conditions [32]. However, the southern distribution limit of A. platanoides comes close to those of the Sorbus species (Table 1).…”

Section: How Resistant To Drought Are Seedlings Of the Minor Tree Spementioning

confidence: 99%

Effects of Drought and Rewetting on Growth and Gas Exchange of Minor European Broadleaved Tree Species

Kunz

Räder

Bauhus

2016

Forests

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Widespread and economically important European tree species such as Norway spruce, Scots pine, and European beech are projected to be negatively affected by the increasing intensity and frequency of dry and hot conditions in a future climate. Hence, there is an increasing need to investigate the suitability of presumably more drought tolerant species to ensure future ecological stability, biodiversity, and productivity of forests. Based on their distribution patterns and climatic envelopes, the rare, minor broadleaved tree species Sorbus torminalis ((L.) C RANTZ ), S. domestica (L.), Acer campestre (L.), and A. platanoides (L.) are assumed to be drought tolerant, however, there is only limited experimental basis to support that notion. This study aimed at quantifying growth and gas exchange of seedlings of these species during drought conditions, and their capacity to recover following drought. For that purpose, they were compared to the common companion species Quercus petraea ((M ATTUSCHKA ) L IEBL .) and Fagus sylvatica (L.). Here, potted seedlings of these species were exposed to water limitation followed by rewetting cycles in a greenhouse experiment. Photosynthesis and transpiration rates, stomatal conductance as well as root and shoot growth rates indicated a high drought resistance of A. campestre and A. platanoides. Sorbus domestica showed a marked ability to recover after drought stress. Therefore, we conclude that these minor tree species have the potential to enrich forests on drought-prone sites. Results from this pot experiment need to be complemented by field studies, in which the drought response of the species is not influenced by restrictions to root development.

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Post-fire resprouting ability of 15 non-dominant shrub and tree species in Mediterranean areas of NE Spain

Cited by 42 publications

References 38 publications

Post-fire effects and short-term regeneration dynamics following high-severity crown fires in a Mediterranean forest

Post-fire effects and short-term regeneration dynamics following high-severity crown fires in a Mediterranean forest

Contrasting Effects of Fire Severity on the Regeneration of Pinus halepensis Mill. and Resprouter Species in Recently Thinned Thickets

Effects of Drought and Rewetting on Growth and Gas Exchange of Minor European Broadleaved Tree Species

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