Edge Effect on Orchids of a Fragment of Semi-Deciduous Seasonal Forest in the Southeast of Brazil

Detalhes bibliográficos
Autor(a) principal: Pedroso-de-Moraes, Cristiano
Data de Publicação: 2015
Outros Autores: Prezzi, Lígia Eleonor, Souza-Leal, Thiago de, Canonici, Thiago Fernandes, Raymundo Jr, Olavo, Silveira, Paulo
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Iheringia. Série Botânica
Texto Completo: https://isb.emnuvens.com.br/iheringia/article/view/303
Resumo: The edge effect was evaluated in a semi-deciduous seasonal forest fragment of Araras, state of São Paulo, Brazil. The sampling took place in 20 parcels at 30 m from the edge and another 20 parcels at 100 m from the edge. The general shape of the forest fragment was evaluated by the calculation of the Circularity Index, and correlations were determined between biotic and abiotic factors to test for possible relationships. A total of 346 individuals, composing of nine species and nine genera, were identifi ed. The diversity of orchids in the studied area is low, and the abundance of species in the fragment is not distributed evenly. The edge has more species and individuals, showing it to be more benefi cial for the survival of orchids, especially when associated to the watercourse. This increase in the orchid population in the edge can be related to luminosity. However, the studied forest fragment has fewer orchid species than other, better conserved fragments of Semi-Deciduous Seasonal Forest.
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spelling Edge Effect on Orchids of a Fragment of Semi-Deciduous Seasonal Forest in the Southeast of BrazilEfeito de borda em orquídeas de um fragmento florestal estacional semidecidual do sudeste do Brasildiversityepiphytesforest fragmentationterrestrial orchidsdiversidadeepífitosfragmentação florestalorquídeas terrestresThe edge effect was evaluated in a semi-deciduous seasonal forest fragment of Araras, state of São Paulo, Brazil. The sampling took place in 20 parcels at 30 m from the edge and another 20 parcels at 100 m from the edge. The general shape of the forest fragment was evaluated by the calculation of the Circularity Index, and correlations were determined between biotic and abiotic factors to test for possible relationships. A total of 346 individuals, composing of nine species and nine genera, were identifi ed. The diversity of orchids in the studied area is low, and the abundance of species in the fragment is not distributed evenly. The edge has more species and individuals, showing it to be more benefi cial for the survival of orchids, especially when associated to the watercourse. This increase in the orchid population in the edge can be related to luminosity. However, the studied forest fragment has fewer orchid species than other, better conserved fragments of Semi-Deciduous Seasonal Forest.O efeito de borda foi avaliado em fragmento de Floresta Estacional Semidecidual em Araras, São Paulo, Brasil. A amostragem foi realizada em 20 parcelas a 30 m da borda e outras 20 a 100 m da borda. O formato geral do fragmento fl orestal foi avaliado pelo cálculo do Índice de Circularidade, e correlações foram determinadas entre fatores bióticos e abióticos para teste de possíveis relações. Como resultado da amostragem, 346 indivíduos, pertencentes a nove espécies e nove gêneros foram identifi cados. A diversidade de orquídeas na área estudada é baixa e a abundância de espécies no fragmento não ocorre de forma equitativa. A borda apresentou mais espécie e indivíduos, se mostrando mais benéfi ca à sobrevivência de orquídeas, especialmente quando associadas ao curso d’água. Este aumento na população de orquídeas na borda pode ser relacionado com a luminosidade. Entretanto, o fragmento fl orestal estudado apresenta menos espécies de orquídeas do que outras áreas melhor conservadas com Floresta Estacional Semi-Decidual.Iheringia. Série Botânica.Iheringia, Série Botânica.2015-08-15info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://isb.emnuvens.com.br/iheringia/article/view/303Iheringia. Série Botânica.; Vol. 70 No. 1 (2015); 115-127Iheringia, Série Botânica.; v. 70 n. 1 (2015); 115-1272446-82310073-4705reponame:Iheringia. Série Botânicainstname:Fundação Zoobotânica do Rio Grande do Sul (FZB/RS)instacron:FZB/RSenghttps://isb.emnuvens.com.br/iheringia/article/view/303/248Copyright (c) 2015 Iheringia. Série Botânica.info:eu-repo/semantics/openAccessPedroso-de-Moraes, CristianoPrezzi, Lígia EleonorSouza-Leal, Thiago deCanonici, Thiago FernandesRaymundo Jr, OlavoSilveira, Paulo2016-07-06T20:02:25Zoai:ojs.emnuvens.com.br:article/303Revistahttps://isb.emnuvens.com.br/iheringiaONGhttps://isb.emnuvens.com.br/iheringia/oai||iheringia-bot@fzb.rs.gov.br2446-82310073-4705opendoar:2016-07-06T20:02:25Iheringia. Série Botânica - Fundação Zoobotânica do Rio Grande do Sul (FZB/RS)false
dc.title.none.fl_str_mv Edge Effect on Orchids of a Fragment of Semi-Deciduous Seasonal Forest in the Southeast of Brazil
Efeito de borda em orquídeas de um fragmento florestal estacional semidecidual do sudeste do Brasil
title Edge Effect on Orchids of a Fragment of Semi-Deciduous Seasonal Forest in the Southeast of Brazil
spellingShingle Edge Effect on Orchids of a Fragment of Semi-Deciduous Seasonal Forest in the Southeast of Brazil
Pedroso-de-Moraes, Cristiano
diversity
epiphytes
forest fragmentation
terrestrial orchids
diversidade
epífitos
fragmentação florestal
orquídeas terrestres
title_short Edge Effect on Orchids of a Fragment of Semi-Deciduous Seasonal Forest in the Southeast of Brazil
title_full Edge Effect on Orchids of a Fragment of Semi-Deciduous Seasonal Forest in the Southeast of Brazil
title_fullStr Edge Effect on Orchids of a Fragment of Semi-Deciduous Seasonal Forest in the Southeast of Brazil
title_full_unstemmed Edge Effect on Orchids of a Fragment of Semi-Deciduous Seasonal Forest in the Southeast of Brazil
title_sort Edge Effect on Orchids of a Fragment of Semi-Deciduous Seasonal Forest in the Southeast of Brazil
author Pedroso-de-Moraes, Cristiano
author_facet Pedroso-de-Moraes, Cristiano
Prezzi, Lígia Eleonor
Souza-Leal, Thiago de
Canonici, Thiago Fernandes
Raymundo Jr, Olavo
Silveira, Paulo
author_role author
author2 Prezzi, Lígia Eleonor
Souza-Leal, Thiago de
Canonici, Thiago Fernandes
Raymundo Jr, Olavo
Silveira, Paulo
author2_role author
author
author
author
author
dc.contributor.author.fl_str_mv Pedroso-de-Moraes, Cristiano
Prezzi, Lígia Eleonor
Souza-Leal, Thiago de
Canonici, Thiago Fernandes
Raymundo Jr, Olavo
Silveira, Paulo
dc.subject.por.fl_str_mv diversity
epiphytes
forest fragmentation
terrestrial orchids
diversidade
epífitos
fragmentação florestal
orquídeas terrestres
topic diversity
epiphytes
forest fragmentation
terrestrial orchids
diversidade
epífitos
fragmentação florestal
orquídeas terrestres
description The edge effect was evaluated in a semi-deciduous seasonal forest fragment of Araras, state of São Paulo, Brazil. The sampling took place in 20 parcels at 30 m from the edge and another 20 parcels at 100 m from the edge. The general shape of the forest fragment was evaluated by the calculation of the Circularity Index, and correlations were determined between biotic and abiotic factors to test for possible relationships. A total of 346 individuals, composing of nine species and nine genera, were identifi ed. The diversity of orchids in the studied area is low, and the abundance of species in the fragment is not distributed evenly. The edge has more species and individuals, showing it to be more benefi cial for the survival of orchids, especially when associated to the watercourse. This increase in the orchid population in the edge can be related to luminosity. However, the studied forest fragment has fewer orchid species than other, better conserved fragments of Semi-Deciduous Seasonal Forest.
publishDate 2015
dc.date.none.fl_str_mv 2015-08-15
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://isb.emnuvens.com.br/iheringia/article/view/303
url https://isb.emnuvens.com.br/iheringia/article/view/303
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv https://isb.emnuvens.com.br/iheringia/article/view/303/248
dc.rights.driver.fl_str_mv Copyright (c) 2015 Iheringia. Série Botânica.
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Copyright (c) 2015 Iheringia. Série Botânica.
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Iheringia. Série Botânica.
Iheringia, Série Botânica.
publisher.none.fl_str_mv Iheringia. Série Botânica.
Iheringia, Série Botânica.
dc.source.none.fl_str_mv Iheringia. Série Botânica.; Vol. 70 No. 1 (2015); 115-127
Iheringia, Série Botânica.; v. 70 n. 1 (2015); 115-127
2446-8231
0073-4705
reponame:Iheringia. Série Botânica
instname:Fundação Zoobotânica do Rio Grande do Sul (FZB/RS)
instacron:FZB/RS
instname_str Fundação Zoobotânica do Rio Grande do Sul (FZB/RS)
instacron_str FZB/RS
institution FZB/RS
reponame_str Iheringia. Série Botânica
collection Iheringia. Série Botânica
repository.name.fl_str_mv Iheringia. Série Botânica - Fundação Zoobotânica do Rio Grande do Sul (FZB/RS)
repository.mail.fl_str_mv ||iheringia-bot@fzb.rs.gov.br
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