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Revista Chapingo serie ciencias forestales y del ambiente

On-line version ISSN 2007-4018Print version ISSN 2007-3828


CORTES-CABRERA, Héctor E. et al. Effect of fire and elevation on the regeneration of Pinus hartwegii Lindl. in northeastern Mexico. Rev. Chapingo ser. cienc. for. ambient [online]. 2018, vol.24, n.2, pp.197-205. ISSN 2007-4018.


Fire regimes and climate change affect the regeneration of vegetation, composition and abundance of the species.


To compare P. hartwegii regeneration and the number of trees with fire scars at different elevations; and determine whether regeneration is related to the density of adult trees and to the density of pine trees with fire evidence.

Materials and methods:

P. hartwegii regeneration was studied at the altitudinal ranges 3 050, 3 225 and 3 400 m in the mountain El Potosí located in northeastern Mexico. Adult trees were sampled using the point-centered quarter method and saplings on square plots.

Results and discussion:

Density of adult pine trees and seedlings was higher at the low elevations (3 050 and 3 225 m). Density of pine trees with fire scars was similar (P > 0.05) at the three elevations. No correlation was detected between regeneration and number of pine trees with fire scars, but there was a positive correlation between density of seedlings and that of adult pines


Altitude influences regeneration and density of P. hartwegii adult trees. Its regeneration is not related to fire evidence.

Keywords : density of pine trees; fire scars; altitudinal migration; El Potosí mountain.

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