Inflamabilidad de especies representativas en un matorral andino del sur de Ecuador

Andrea Gabriela Coronel Armijos; Luis Muñoz Chamba; Johana  Muñoz Chamba; Zhofre Aguirre Mendoza

doi:10.54753/blc.v14i1.2071

Authors

Andrea Gabriela Coronel Armijos Ingeniera Forestal
Luis Muñoz Chamba Ingeniero Forestal https://orcid.org/0000-0001-5551-2650
Johana Muñoz Chamba Ingeniera Forestal https://orcid.org/0000-0003-1036-170X
Zhofre Aguirre Mendoza Ingeniero Forestal https://orcid.org/0000-0002-6829-3028

DOI:

https://doi.org/10.54753/blc.v14i1.2071

Keywords:

Combustibility, direct flame, forest fires, ignition, sustainability

Abstract

Knowledge of the flammability of plant species allows us to have an idea of the potential behavior of fire and thereby design mitigation strategies for the control and prevention of forest fires. The objective of the research was to determine the flammability of plant species from the Andean scrubland under laboratory conditions and thus be able to enrich knowledge about the dynamics of fire and its behavior. The study site was the Andean scrub located in the “Francisco Vivar Castro” University Park, from which five representative species were selected, which were Lepechinia mutica, Dendrophorbium scytophyllum, Pappobolus acuminatus, Baccharis latifolia and Gynoxyx nitida. Under laboratory conditions, the direct flame method was used and flammability characteristics such as ignition time, sustainability, combustibility and flame height were evaluated. 20 flammability tests were carried out per species, with a sample weight of five grams. The results of the flammability characteristics of the five species were variable, with ignition times between 6.2 and 14.95 seconds, sustainability between 8.85 and 68.1 seconds, flame heights between 6.35 and 38.4 . centimeters and combustibility between 0.04 and 0.15 g.s-1. The species L. mutica, D. scytophyllum, B. latifolia and G. nitida presented an extremely flammable category and P. acuminatus had a low flammable category. The representative species of the Andean scrub mostly presented extremely flammable categories, which suggests that they are species that can burn and spread fire easily, which makes this ecosystem vulnerable to forest fires.

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