Proposal of two visual tree risk assessment methods for urban parks in Montevideo, Uruguay

SUMMARY: The risk assessment of urban trees is a challenge that must be addressed by many cities, in consideration of their climatology, management and spatial heterogeneity. Since these trees are in stages of aging, added to bad practices, inadequate selection and establishment, amongst others, the...

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Autores principales:	Coelho Duarte,Ana Paula, Daniluk Mosquera,Gustavo, Gravina,Virginia, Hirigoyen,Andrés, Vallejos Barra,Óscar, Ponce Donoso,Mauricio
Lenguaje:	English
Publicado:	Universidad Austral de Chile, Facultad de Ciencias Forestales 2021
Materias:	arboriculture urban trees hazard tree tree risk rating linear mixed model
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-92002021000200259
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spelling	oai:scielo:S0717-920020210002002592021-10-08Proposal of two visual tree risk assessment methods for urban parks in Montevideo, UruguayCoelho Duarte,Ana PaulaDaniluk Mosquera,GustavoGravina,VirginiaHirigoyen,AndrésVallejos Barra,ÓscarPonce Donoso,Mauricio arboriculture urban trees hazard tree tree risk rating linear mixed model SUMMARY: The risk assessment of urban trees is a challenge that must be addressed by many cities, in consideration of their climatology, management and spatial heterogeneity. Since these trees are in stages of aging, added to bad practices, inadequate selection and establishment, amongst others, their early elimination, and hence the loss of the ecosystem services they provide, is being promoted. For this reason, two tree risk assessment methods were developed to be applied in a complementary manner in urban parks, one basic visual (BV) and the other detailed visual (DV), both structured with the components of likelihood of failure, likelihood of impact, consequence and risk rating, being analyzed qualitatively and semi quantitatively. The methods were applied in 24 trees of Eucalyptus and Tipuana genus by two groups of assessors, experienced and inexperienced, totaling 192 assessments. Results were analyzed with a linear mixed model (LMM), which showed differences between both methods for the likelihood of failure, where the assessment of branches turned out to be the attribute with the highest impact. The methods proved to be suitable to be used in a complementary manner, since BV turns out to be efficient when it is necessary to assess a large number of trees. DV turned out to be more effective, since it was able to identify more precisely the attributes of the tree that must be considered for adequate risk mitigation and management. Therefore, their combined use is recommended for risk assessment in trees established in parks.info:eu-repo/semantics/openAccessUniversidad Austral de Chile, Facultad de Ciencias ForestalesBosque (Valdivia) v.42 n.2 20212021-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-92002021000200259en10.4067/S0717-92002021000200259
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	arboriculture urban trees hazard tree tree risk rating linear mixed model
spellingShingle	arboriculture urban trees hazard tree tree risk rating linear mixed model Coelho Duarte,Ana Paula Daniluk Mosquera,Gustavo Gravina,Virginia Hirigoyen,Andrés Vallejos Barra,Óscar Ponce Donoso,Mauricio Proposal of two visual tree risk assessment methods for urban parks in Montevideo, Uruguay
description	SUMMARY: The risk assessment of urban trees is a challenge that must be addressed by many cities, in consideration of their climatology, management and spatial heterogeneity. Since these trees are in stages of aging, added to bad practices, inadequate selection and establishment, amongst others, their early elimination, and hence the loss of the ecosystem services they provide, is being promoted. For this reason, two tree risk assessment methods were developed to be applied in a complementary manner in urban parks, one basic visual (BV) and the other detailed visual (DV), both structured with the components of likelihood of failure, likelihood of impact, consequence and risk rating, being analyzed qualitatively and semi quantitatively. The methods were applied in 24 trees of Eucalyptus and Tipuana genus by two groups of assessors, experienced and inexperienced, totaling 192 assessments. Results were analyzed with a linear mixed model (LMM), which showed differences between both methods for the likelihood of failure, where the assessment of branches turned out to be the attribute with the highest impact. The methods proved to be suitable to be used in a complementary manner, since BV turns out to be efficient when it is necessary to assess a large number of trees. DV turned out to be more effective, since it was able to identify more precisely the attributes of the tree that must be considered for adequate risk mitigation and management. Therefore, their combined use is recommended for risk assessment in trees established in parks.
author	Coelho Duarte,Ana Paula Daniluk Mosquera,Gustavo Gravina,Virginia Hirigoyen,Andrés Vallejos Barra,Óscar Ponce Donoso,Mauricio
author_facet	Coelho Duarte,Ana Paula Daniluk Mosquera,Gustavo Gravina,Virginia Hirigoyen,Andrés Vallejos Barra,Óscar Ponce Donoso,Mauricio
author_sort	Coelho Duarte,Ana Paula
title	Proposal of two visual tree risk assessment methods for urban parks in Montevideo, Uruguay
title_short	Proposal of two visual tree risk assessment methods for urban parks in Montevideo, Uruguay
title_full	Proposal of two visual tree risk assessment methods for urban parks in Montevideo, Uruguay
title_fullStr	Proposal of two visual tree risk assessment methods for urban parks in Montevideo, Uruguay
title_full_unstemmed	Proposal of two visual tree risk assessment methods for urban parks in Montevideo, Uruguay
title_sort	proposal of two visual tree risk assessment methods for urban parks in montevideo, uruguay
publisher	Universidad Austral de Chile, Facultad de Ciencias Forestales
publishDate	2021
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-92002021000200259
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Proposal of two visual tree risk assessment methods for urban parks in Montevideo, Uruguay

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