Risk assessment of trees protected by law in Curitiba squares, Paraná, Brazil

SUMMARY: The aim of this article was to evaluate the likelihood of failure of trees protected by law located at Curitiba squares, Paraná, through the adaptation of the tree risk assessment proposed by the International Society of Arboriculture (ISA). Among all 14 trees analyzed, 11 types of defects...

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Autores principales:	Ivasko Júnior,Severo, Biondi,Daniela, Ximenes,Eduarda, Nunho dos Reis,Allan Rodrigo, Heck Bomm,Bruna Fernanda
Lenguaje:	English
Publicado:	Universidad Austral de Chile, Facultad de Ciencias Forestales 2019
Materias:	arboriculture protected tree trees failure urban forest
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-92002019000300347
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spelling	oai:scielo:S0717-920020190003003472020-01-13Risk assessment of trees protected by law in Curitiba squares, Paraná, BrazilIvasko Júnior,SeveroBiondi,DanielaXimenes,EduardaNunho dos Reis,Allan RodrigoHeck Bomm,Bruna Fernanda arboriculture protected tree trees failure urban forest SUMMARY: The aim of this article was to evaluate the likelihood of failure of trees protected by law located at Curitiba squares, Paraná, through the adaptation of the tree risk assessment proposed by the International Society of Arboriculture (ISA). Among all 14 trees analyzed, 11 types of defects were identified in the trunk, with the predominance of canker and codominant stems; 12 in the crown, with the presence of dead and broken branches; and seven in the root system, where root lifting was the most recurrent problem. The evaluation of the tree risk assessment indicated that eight of the 14 trees demonstrated moderate risk (57.14 %), presenting 5 to 12 defects; five had a low risk (35.71 %), with one to seven defects; and one was categorized as a high risk of failure (7.14 %), which had 17 defects. Half of the trees presented the risk assessment associated with defects in the trunk, two of them with problems in the crown, and two others had more defects in the root system. These results highlight the importance of monitoring and maintaining the quality of urban forests, a fact that contributes to the safety and well-being of the population that visit Curitiba squares.info:eu-repo/semantics/openAccessUniversidad Austral de Chile, Facultad de Ciencias ForestalesBosque (Valdivia) v.40 n.3 20192019-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-92002019000300347en10.4067/S0717-92002019000300347
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	arboriculture protected tree trees failure urban forest
spellingShingle	arboriculture protected tree trees failure urban forest Ivasko Júnior,Severo Biondi,Daniela Ximenes,Eduarda Nunho dos Reis,Allan Rodrigo Heck Bomm,Bruna Fernanda Risk assessment of trees protected by law in Curitiba squares, Paraná, Brazil
description	SUMMARY: The aim of this article was to evaluate the likelihood of failure of trees protected by law located at Curitiba squares, Paraná, through the adaptation of the tree risk assessment proposed by the International Society of Arboriculture (ISA). Among all 14 trees analyzed, 11 types of defects were identified in the trunk, with the predominance of canker and codominant stems; 12 in the crown, with the presence of dead and broken branches; and seven in the root system, where root lifting was the most recurrent problem. The evaluation of the tree risk assessment indicated that eight of the 14 trees demonstrated moderate risk (57.14 %), presenting 5 to 12 defects; five had a low risk (35.71 %), with one to seven defects; and one was categorized as a high risk of failure (7.14 %), which had 17 defects. Half of the trees presented the risk assessment associated with defects in the trunk, two of them with problems in the crown, and two others had more defects in the root system. These results highlight the importance of monitoring and maintaining the quality of urban forests, a fact that contributes to the safety and well-being of the population that visit Curitiba squares.
author	Ivasko Júnior,Severo Biondi,Daniela Ximenes,Eduarda Nunho dos Reis,Allan Rodrigo Heck Bomm,Bruna Fernanda
author_facet	Ivasko Júnior,Severo Biondi,Daniela Ximenes,Eduarda Nunho dos Reis,Allan Rodrigo Heck Bomm,Bruna Fernanda
author_sort	Ivasko Júnior,Severo
title	Risk assessment of trees protected by law in Curitiba squares, Paraná, Brazil
title_short	Risk assessment of trees protected by law in Curitiba squares, Paraná, Brazil
title_full	Risk assessment of trees protected by law in Curitiba squares, Paraná, Brazil
title_fullStr	Risk assessment of trees protected by law in Curitiba squares, Paraná, Brazil
title_full_unstemmed	Risk assessment of trees protected by law in Curitiba squares, Paraná, Brazil
title_sort	risk assessment of trees protected by law in curitiba squares, paraná, brazil
publisher	Universidad Austral de Chile, Facultad de Ciencias Forestales
publishDate	2019
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-92002019000300347
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Risk assessment of trees protected by law in Curitiba squares, Paraná, Brazil

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