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Revista Chapingo serie ciencias forestales y del ambiente

versión On-line ISSN 2007-4018versión impresa ISSN 2007-3828

Resumen

ROBLES-GUTIERREZ, César A. et al. Probability of mortality by fire damage of young Pinus hartwegii Lindl. trees in the Izta-Popo National Park. Rev. Chapingo ser. cienc. for. ambient [online]. 2016, vol.22, n.2, pp.165-178. ISSN 2007-4018.  https://doi.org/10.5154/r.rchscfa.2015.08.034.

Great efforts are carried out at a global level in order to determine the effect of fire on the mortality of tree species, like the Pinus genus. This paper evaluated the influence of fire on the probability of mortality of young Pinus hartwegii trees in the Izta-Popo National Park, a protected natural area in central Mexico. The effects of a medium to high intensity fire that occurred in March 2013, a low intensity prescribed burning applied in April of the same year, and a control area without recent fire presence were evaluated and compared. The results showed that after 18 months of the applied treatments, the tree mortality in the area with prescribed burning was 13 %, whereas tree mortality in the area with fire and in the control area was 28 and 4 %, respectively. Six logistic models were obtained in order to predict mortality; the percentage of damaged canopy, scar height, and normal bark diameter were the significant predictive variables (P < 0.05). The results suggest that a decrease in the photosynthetic rate and nutrients,transport associated with damage to the canopy and cambium, are closely related to the probability of mortality.

Palabras llave : Prescribed burning; conflagration; percentage of damaged canopy; logistic model..

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