Structural variations in remnants of Mixed Ombrophilous Forest in the extreme South of Brazil

SUMMARY: The study aimed at characterizing the arboreal-shrubby component in fragments of Mixed Ombrophilous Forest, in Rio Grande do Sul State, Brazil. The vegetation survey was performed in four sampled fragments in 57 plots. In the plots, the identification of the individuals and measurement of c...

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Autores principales:	Guarienti Rorato,Daniele, Machado Araujo,Maristela, Griebeler,Adriana Maria, Gouvêa Redin,Cristina, Falcão Dutra,Adriana, Carpenedo Aimi,Suelen, Turchetto,Felipe
Lenguaje:	English
Publicado:	Universidad Austral de Chile, Facultad de Ciencias Forestales 2020
Materias:	phytosociology TWINSPAN floristic cluster multivariate analysis
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-92002020000300365
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spelling	oai:scielo:S0717-920020200003003652020-12-21Structural variations in remnants of Mixed Ombrophilous Forest in the extreme South of BrazilGuarienti Rorato,DanieleMachado Araujo,MaristelaGriebeler,Adriana MariaGouvêa Redin,CristinaFalcão Dutra,AdrianaCarpenedo Aimi,SuelenTurchetto,Felipe phytosociology TWINSPAN floristic cluster multivariate analysis SUMMARY: The study aimed at characterizing the arboreal-shrubby component in fragments of Mixed Ombrophilous Forest, in Rio Grande do Sul State, Brazil. The vegetation survey was performed in four sampled fragments in 57 plots. In the plots, the identification of the individuals and measurement of circumference at breast height (CAP) was carried out, according to the following classes of size: Class I) arboreal strata, individuals with CAP ≥ 30 cm (10 x 20 m); Class II) arboreal strata, individuals with 15 ≤ CAP < 30 cm (10 x 10 m); Class III) established natural regeneration, individuals with 3 ≤ CAP < 15 cm (5 x 5 m) and Class IV) bank of seedlings, individuals with height ≥ 30 cm and CAP < 3 cm (2 x 2 m). The data of Class I constituted a matrix parcel x species, which was used in a multivariate analysis, allowing the classification of groups of plots that characterize microhabitats. The forest fragments presented low floristic richness of typical species of Mixed Ombrophilous Forest. From this environment highlight two main groups, one characteristic of riparian forest and the other from capões. In the riparian forests (GR1), highlighted Eugenia uruguayensis and Gymnanthes klotzschiana. In capões (GR2), the predominant species were Araucaria angustifolia, Podocarpus lambertii and Myrceugenia cucullata. The condition of species in different classes associated with their ecological characteristics allows identifying possible strategies for perpetuation of the arboreal-shrubby component of population and management of the fragments aiming at its conservation.info:eu-repo/semantics/openAccessUniversidad Austral de Chile, Facultad de Ciencias ForestalesBosque (Valdivia) v.41 n.3 20202020-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-92002020000300365en10.4067/S0717-92002020000300365
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	phytosociology TWINSPAN floristic cluster multivariate analysis
spellingShingle	phytosociology TWINSPAN floristic cluster multivariate analysis Guarienti Rorato,Daniele Machado Araujo,Maristela Griebeler,Adriana Maria Gouvêa Redin,Cristina Falcão Dutra,Adriana Carpenedo Aimi,Suelen Turchetto,Felipe Structural variations in remnants of Mixed Ombrophilous Forest in the extreme South of Brazil
description	SUMMARY: The study aimed at characterizing the arboreal-shrubby component in fragments of Mixed Ombrophilous Forest, in Rio Grande do Sul State, Brazil. The vegetation survey was performed in four sampled fragments in 57 plots. In the plots, the identification of the individuals and measurement of circumference at breast height (CAP) was carried out, according to the following classes of size: Class I) arboreal strata, individuals with CAP ≥ 30 cm (10 x 20 m); Class II) arboreal strata, individuals with 15 ≤ CAP < 30 cm (10 x 10 m); Class III) established natural regeneration, individuals with 3 ≤ CAP < 15 cm (5 x 5 m) and Class IV) bank of seedlings, individuals with height ≥ 30 cm and CAP < 3 cm (2 x 2 m). The data of Class I constituted a matrix parcel x species, which was used in a multivariate analysis, allowing the classification of groups of plots that characterize microhabitats. The forest fragments presented low floristic richness of typical species of Mixed Ombrophilous Forest. From this environment highlight two main groups, one characteristic of riparian forest and the other from capões. In the riparian forests (GR1), highlighted Eugenia uruguayensis and Gymnanthes klotzschiana. In capões (GR2), the predominant species were Araucaria angustifolia, Podocarpus lambertii and Myrceugenia cucullata. The condition of species in different classes associated with their ecological characteristics allows identifying possible strategies for perpetuation of the arboreal-shrubby component of population and management of the fragments aiming at its conservation.
author	Guarienti Rorato,Daniele Machado Araujo,Maristela Griebeler,Adriana Maria Gouvêa Redin,Cristina Falcão Dutra,Adriana Carpenedo Aimi,Suelen Turchetto,Felipe
author_facet	Guarienti Rorato,Daniele Machado Araujo,Maristela Griebeler,Adriana Maria Gouvêa Redin,Cristina Falcão Dutra,Adriana Carpenedo Aimi,Suelen Turchetto,Felipe
author_sort	Guarienti Rorato,Daniele
title	Structural variations in remnants of Mixed Ombrophilous Forest in the extreme South of Brazil
title_short	Structural variations in remnants of Mixed Ombrophilous Forest in the extreme South of Brazil
title_full	Structural variations in remnants of Mixed Ombrophilous Forest in the extreme South of Brazil
title_fullStr	Structural variations in remnants of Mixed Ombrophilous Forest in the extreme South of Brazil
title_full_unstemmed	Structural variations in remnants of Mixed Ombrophilous Forest in the extreme South of Brazil
title_sort	structural variations in remnants of mixed ombrophilous forest in the extreme south of brazil
publisher	Universidad Austral de Chile, Facultad de Ciencias Forestales
publishDate	2020
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-92002020000300365
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Structural variations in remnants of Mixed Ombrophilous Forest in the extreme South of Brazil

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