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Ocurrencia de incendios forestales en el cantón Santa Ana, provincia de Manabí, Ecuador (2012-2018)


 
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Revista Cubana de Ciencias Forestales

 ISSN 2310-3469

RAMOS-RODRIGUEZ, Marcos Pedro et al. Ocurrencia de incendios forestales en el cantón Santa Ana, provincia de Manabí, Ecuador (2012-2018). []. , 9, 3, pp. 322-339.   02--2021. ISSN 2310-3469.

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Los análisis sobre el comportamiento histórico de los incendios forestales fundamentan programas eficaces de manejo del fuego. Esta investigación de alcance descriptivo tuvo el objetivo de analizar cuándo, dónde y por qué ocurrieron los incendios forestales en el cantón Santa Ana, provincia Manabí, Ecuador, durante el periodo 2012-2018. Los datos fueron facilitados por el Cuerpo de Bomberos de dicha localidad. El análisis se realizó considerando un contexto espacio-temporal (años, meses, días de la semana, localidades y cobertura vegetal). Los análisis estadísticos se realizaron con el programa SPSS Statistics for Windows (versión 22.0). Se trabajó con un nivel de significancia del 0,05. En el periodo analizado se reportaron 91 siniestros, correspondiendo al año 2016 el mayor porcentaje (38,46 %). De julio a enero se registró el 94,50 % del total de incendios, asociado esto a pocas precipitaciones y al aumento del uso del fuego por los campesinos para limpiar el terreno. Durante el día la mayor cantidad de eventos se registró desde las 14:00 hasta las 16:00 horas (27,47 %). En los casos en que se especificó la parroquia y la cobertura vegetal, los mayores porcentajes correspondieron a Ayacucho y a las malezas con el 54,05 y el 26,37 %, respectivamente. El trabajo permitió establecer patrones temporales y espaciales de la ocurrencia de incendios y su causalidad, constituyendo esto un aporte importante y relevante sobre cuándo, dónde y por qué ocurren los incendios en el cantón Santa Ana, informaciones que podrán ser utilizadas por los decisores de las actividades de manejo integrado del fuego.

^les^a

As análises do comportamento histórico dos incêndios florestais apoiam programas eficazes de manejo do fogo. Esta pesquisa descritiva teve como objetivo analisar quando, onde e porque ocorreram os incêndios florestais no cantón Santa Ana, província de Manabí, Equador, durante o período de 2012-2018. Os dados foram fornecidos pelo Corpo de Bombeiros daquela cidade. A análise foi realizada considerando um contexto espaço-temporal (anos, meses, dias da semana, localidades e cobertura vegetal). As análises estatísticas foram realizadas com o programa SPSS Statistics for Windows (versão 22.0). Trabalhamos com nível de significância de 0,05. No período analisado, foram notificadas 91 ocorrências, correspondendo ao ano de 2016 o maior percentual (38,46 %). De julho a janeiro, foram registradas 94,50 % do total de ocorrências, associadas à baixa pluviosidade e ao aumento do uso de fogo pelos agricultores para desmatamento. Durante o dia, o maior número de eventos foi registrado das 14h00 às 16h00 (27,47 %). Nos casos em que se especificou a freguesia e a cobertura vegetal, as percentagens mais elevadas corresponderam a Ayacucho e ervas daninhas com 54,05 e 26,37 %, respetivamente. O trabalho permitiu estabelecer padrões temporais e espaciais de ocorrências de incêndios e sua causalidade, constituindo uma contribuição importante e relevante sobre quando, onde e por que ocorrem incêndios no cantão de Santa Ana, informação que pode ser utilizada pelos tomadores de decisão das atividades de gestão integrada do fogo.

^lpt^a

Analyses of the historical behavior of forest fires provide the basis for effective fire management programs. This descriptive research aimed to analyze when, where and why forest fires occurred in Santa Ana canton, Manabí province, Ecuador, during the period 2012-2018. The data were provided by the Fire Department of that locality. The analysis was carried out considering a spatiotemporal context (years, months, days of the week, localities and vegetation cover). Statistical analyses were carried out with SPSS Statistics for Windows (version 22.0). A significance level of 0.05 was used. In the analyzed period, 91 losses were reported, corresponding to the year 2016 the highest percentage (38.46 %). From July to January 94.50 % of the total number of fires were recorded, associated with low rainfall and increased use of fire by farmers to clear the land. During the day, the highest number of events was recorded from 14:00 to 16:00 hours (27.47 %). In cases where the parish and vegetation cover were specified, the highest percentages corresponded to Ayacucho and weeds with 54.05 and 26.37 %, respectively. The work allowed to establish temporal and spatial patterns of fire occurrence and its causality, constituting an important and relevant contribution on when, where and why fires occur in the canton of Santa Ana, information that can be used by decision makers of integrated fire management activities.

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