Post-fire germination: The effect of smoke on seeds of selected species from the central Mediterranean basin

Crosti, Roberto; Ladd, P.G.; Dixon, Kingsley W.; Piotto, B.

doi:10.1016/j.foreco.2005.10.005

Cited by 85 publications

(51 citation statements)

References 45 publications

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“…There are non-resprouting shrubs with persistent soil seed banks which resist intense heating, as Cistus or Ulex species. In other cases, seeds are stimulated to germinate by products of combustion like smoke or ash (e.g., Rhamnus alaternus, Alnus glutinosa, Cistus incanus, Clematis vitalba) (Crosti et al, 2006;Paula et al, 2006). However, if the period between consecutive fires is not enough for individuals to reach adulthood, or if fires are highly recurrent, the seed bank may become exhausted (Pausas, 2004).…”

Section: Effects On Soil Biotic Componentsmentioning

confidence: 99%

How wildfires affect soil properties. A brief review

Zavala

Celis

Jordán

2014

CIG

122

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ABSTRACT.Wildfires may produce several changes in the short-and longterm in the landscape and in the soil system. The magnitude of these changes induced by fire in the components of ecosystems (water, soil, vegetation and fauna) depends on fire properties (fire intensity and severity) and environmental factors (vegetation, soil, geomorphology, etc.) Cómo afectan los incendios a las propiedades del suelo. Una breve revisión (vegetación, suelos, geomorfología, etc.) RESUMEN. Los incendios forestales pueden producir varios cambios a corto y largo plazo en el paisaje y en el sistema suelo. La magnitud de estos cambios inducidos por el fuego en los componentes de los ecosistemas (agua, suelo, vegetación y fauna) depende de las propiedades del incendio (intensidad y severidad del fuego) y ambientales

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Section: Effects On Soil Biotic Componentsmentioning

confidence: 99%

How wildfires affect soil properties. A brief review

Zavala

Celis

Jordán

2014

CIG

122

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“…This is a factor that has been widely studied in Australian species (Dixon et al 1995;Read et al 2000;Thomas et al 2003;Tierney 2006), South African species (Van der Venter and Esterhuizen 1988;De Lange and Boucher 1990;Brown 1993;Brown and Botha 2004), and North American species Fotheringham 1997, 1998) for at least a decade. However, few studies have been undertaken on the effect of smoke on species from the Mediterranean basin (Casal et al 2001;Pérez-Fernández and Rodríguez-Echevarría 2003;Crosti et al 2006); such studies are necessary in order to understand the post-fire vegetation recovery of Mediterranean systems.…”

Section: Introductionmentioning

confidence: 99%

Germination behaviour of 14 Mediterranean species in relation to fire factors: smoke and heat

Reyes

Trabaud

2008

Plant Ecol

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Fire is an ecological factor that has been present in the ecosystems of the Mediterranean region for thousands of years. Our study was undertaken to acquire knowledge of the effect of fire on the germination of Mediterranean species. We used high temperatures (up to 60°C) and smoke to determine the effect of these factors on the germination of species from the Mediterranean region. The species selected are characteristic of the central Mediterranean basin and are representative of both woody and herbaceous species: Rhamnus alaternus L., Cistus albidus L., Cistus monspeliensis L., Fumana ericoides (Cav.) Gand., Rosmarinus officinalis L., Melica ciliata L., Avena sterilis L., Bituminaria bituminosa (L.) C.H. Stirt., Anthyllis vulneraria L., Coronilla glauca L., Argyrolobium zanonii (Turra) P.W. Balland, Emerus major Mill., Genista scorpius (L.) D.C. and Spartium junceum L. The seeds were collected in Mediterranean shrubland (8) and woodland (6) ecosystems, around Montpellier, France (24°45 0 N and 3°50 0 E). Ten treatments were tested: a control, three smoke treatments and six heat treatments. The average germination level (germination percentage) and the average T 50 rates (time taken to reach 50% of germination) were calculated. The smoke and heat act in a different way on each of the species. The smoke enhanced the germination of two species, whilst moderate heat increased germination in all of the species excepting R. officinalis, F. ericoides, A. sterilis, A. vulneraria, and G. scorpius. Germination was fastest in M. ciliata and S. junceum and slowest in A. sterilis, E. major and C. albidus. The cues did not significantly affect the rate of germination. Fire modified the germination response of 12 of the 14 species studied.

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“…Fire can promote seed germination indirectly through micro-environmental changes or directly through high temperature and smoke (Crosti et al 2006). Buried seeds can escape fire damage by buffering effect of soil (Wright and Bailey 1982;Christensen 1985) and germinate after fire.…”

Section: Introductionmentioning

confidence: 99%

Postfire seed bank dynamics in semiarid grasslands

Gonzalez¹,

Ghermandi²

2008

Plant Ecol

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We evaluated the combined effects of fire after drought on the seed bank composition and its role in the postfire recovery of NW Patagonia grasslands. During three years, we monitored the seed bank and the aboveground vegetation. Species were arranged in functional groups and Detrended Correspondence Analysis was used to separate sites according to species and functional groups. Similarity between aboveground vegetation and seed bank was calculated with SØrensen Index. In the first year, the seed density was similar in the control and burned sites and was lower than following years in all the sites. The species that survived the high temperatures were all annuals with the exception of the perennial species Fabiana imbricata and Rumex acetosella. In the second postfire year, the diversity and seed density increased due to the contribution of fugitive species (rare in the community) and exotic annual species. Seed bank of perennial species was the most affected by fire and just recovered in the third year. Drought did not affect the similarity between the seed bank and vegetation. Fire had low impact on the total seed bank, probably due to the heat buffering nature of the soil, whereas drought reduced significantly seed bank size and richness. Seed bank contributes to grassland richness maintenance.

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Post-fire germination: The effect of smoke on seeds of selected species from the central Mediterranean basin

Cited by 85 publications

References 45 publications

How wildfires affect soil properties. A brief review

How wildfires affect soil properties. A brief review

Germination behaviour of 14 Mediterranean species in relation to fire factors: smoke and heat

Postfire seed bank dynamics in semiarid grasslands

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