Wildfire effects on extractable elements in ash from a Pinus pinaster forest in Portugal

Paulo Pereira, Xavier Úbeda, Deborah Martin, Jorge Mataix-Solera, Artemi Cerdà, Maria Burguet

Research output: Contribution to journalArticle

48 Citations (Scopus)

Abstract

The aim of this work is to study the effects of a wildfire on water-extractable elements in ash from a Pinus pinaster forest located in Portugal. The pH, electrical conductivity (EC), calcium (Ca2+), magnesium (Mg2+), sodium (Na+), potassium (K+), sodium and potassium adsorption ratio (SPAR), aluminium (Al3+), manganese (Mn2+), iron (Fe2+), zinc (Zn2+), sulphur (S), silica (Si) and phosphorous (P) were analysed in ash sampled from a sloped area burned in a wildfire and from litter from a contiguous unburned area, with similar morphological conditions. The results showed that ash leachates had higher pH and EC, and were significantly richer in water-extractable Ca2+, Mg2+, Na+, K+, SPAR, S and Si and significantly poorer in water-extractable Al3+, Fe2+, Mn2+ and Zn2+ than litter solutions. No significant differences were observed in water-extractable P. The fire changed the ash solute chemistry compared with the unburned litter and increased the sample variability of nutrient distribution with potential implications for plant recovery.

Original languageEnglish
Pages (from-to)3681-3690
Number of pages10
JournalHydrological Processes
Volume28
Issue number11
DOIs
Publication statusPublished - May 30 2014

Fingerprint

wildfire
ash
litter
potassium
sodium
electrical conductivity
silica
adsorption
water
leachate
solute
manganese
magnesium
aluminum
zinc
calcium
sulfur
iron
effect
nutrient

Keywords

  • Ash
  • Litter
  • Sample variability
  • SPAR
  • Water-extractable elements
  • Wildfire

ASJC Scopus subject areas

  • Water Science and Technology

Cite this

Pereira, P., Úbeda, X., Martin, D., Mataix-Solera, J., Cerdà, A., & Burguet, M. (2014). Wildfire effects on extractable elements in ash from a Pinus pinaster forest in Portugal. Hydrological Processes, 28(11), 3681-3690. https://doi.org/10.1002/hyp.9907

Wildfire effects on extractable elements in ash from a Pinus pinaster forest in Portugal. / Pereira, Paulo; Úbeda, Xavier; Martin, Deborah; Mataix-Solera, Jorge; Cerdà, Artemi; Burguet, Maria.

In: Hydrological Processes, Vol. 28, No. 11, 30.05.2014, p. 3681-3690.

Research output: Contribution to journalArticle

Pereira, P, Úbeda, X, Martin, D, Mataix-Solera, J, Cerdà, A & Burguet, M 2014, 'Wildfire effects on extractable elements in ash from a Pinus pinaster forest in Portugal', Hydrological Processes, vol. 28, no. 11, pp. 3681-3690. https://doi.org/10.1002/hyp.9907
Pereira, Paulo ; Úbeda, Xavier ; Martin, Deborah ; Mataix-Solera, Jorge ; Cerdà, Artemi ; Burguet, Maria. / Wildfire effects on extractable elements in ash from a Pinus pinaster forest in Portugal. In: Hydrological Processes. 2014 ; Vol. 28, No. 11. pp. 3681-3690.
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