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vol.54 número2Comparación de métodos de evaluación visual del riesgo aplicados en árboles de veredas de la ciudad de Montevideo, UruguayEfecto de bioles en el desarrollo de tomate Solanum lycopersicum L y lechuga Lactuca sativa índice de autoresíndice de assuntospesquisa de artigos
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Revista de la Facultad de Ciencias Agrarias. Universidad Nacional de Cuyo

versão On-line ISSN 1853-8665

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AMENEIROS, Cecilia et al. Comparison of visual risk assessment methods applied in street trees of Montevideo city, Uruguay. Rev. Fac. Cienc. Agrar., Univ. Nac. Cuyo [online]. 2022, vol.54, n.2, pp.39-47. ISSN 1853-8665.

Risk assessment of urban trees is an incipient practice in Latin America, generally performed with foreign methods, due to the lack of qualified personnel and locally validated or adapted methodology. This article evaluates the application of three methods on street trees in Montevideo city, Uruguay: Tree Hazard Risk Evaluation and Treatment System (THREATS), Quantified Tree Risk Assessment (QTRA) and Best Management Practices - Tree Risk Assessment (ISA BMP). Three assessors with similar experience applied three methods in 36 trees of three widely used genera, totaling 324 assessments and 1,296 data. The methods were decomposed into the components: Likelihood of Failure, Likelihood of Impact, Consequence and Risk Rating. The data were statistically analyzed through a generalized linear mixed model (p<0.05), for the factors: assessor, method, genus, and their interactions. Results showed no significant differences among assessors, but there were differences among methods, specifically for the Likelihood of Impact and Risk Rating components. The ISA BMP method presented higher means in these last two components. Still, this method is suggested for street trees in Montevideo until a more appropriate method is adapted or developed for local conditions.

Palavras-chave : Arboriculture; Hazard tree; Risk component; Tree risk; Urban forest.

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