Differences in land use modify Odonata assemblages in the Cerrado-Caatinga ecotone

Detalhes bibliográficos
Autor(a) principal: Veras,Daniel Silas
Data de Publicação: 2020
Outros Autores: Lustosa,Guilherme Santana, Moura,Lucas Pereira, Ferreira,Maria Fernanda Ribeiro, Juen,Leandro
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Acta Limnologica Brasiliensia (Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2179-975X2020000100512
Resumo: Abstract: Aim The present study tested the hypothesis that the composition of the odonate assemblages in environments with greater habitat integrity is significantly different from that of areas with reduced habitat integrity. Methods The samples were collected between April 2017 and November 2017 in eight streams in Caxias, in the Brazilian state of Maranhão. The habitat integrity index was used to quantify habitat integrity. The odonate specimens were collected by the fixed area scanning method. Results The habitat integrity index ranged from 0.265 to 0.915 at the different localities. A total of 229 specimens were collected, representing 19 odonate species. Species composition varied among streams that presented different degrees of conservation, with some species being typical of specific habitats. However, this variation had no effect on the number of taxa or the abundance of odonates, which may reflect the local substitution of extinct specialist species by generalists. Conclusions Evidence indicates that the reduction of habitat integrity is an important predictor of changes in the biodiversity of aquatic insects in streams such as those of the Cerrado-Caatinga ecotone.
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spelling Differences in land use modify Odonata assemblages in the Cerrado-Caatinga ecotonedragonflydamselflyhabitat integrityriparian foreststreamsAbstract: Aim The present study tested the hypothesis that the composition of the odonate assemblages in environments with greater habitat integrity is significantly different from that of areas with reduced habitat integrity. Methods The samples were collected between April 2017 and November 2017 in eight streams in Caxias, in the Brazilian state of Maranhão. The habitat integrity index was used to quantify habitat integrity. The odonate specimens were collected by the fixed area scanning method. Results The habitat integrity index ranged from 0.265 to 0.915 at the different localities. A total of 229 specimens were collected, representing 19 odonate species. Species composition varied among streams that presented different degrees of conservation, with some species being typical of specific habitats. However, this variation had no effect on the number of taxa or the abundance of odonates, which may reflect the local substitution of extinct specialist species by generalists. Conclusions Evidence indicates that the reduction of habitat integrity is an important predictor of changes in the biodiversity of aquatic insects in streams such as those of the Cerrado-Caatinga ecotone.Associação Brasileira de Limnologia2020-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S2179-975X2020000100512Acta Limnologica Brasiliensia v.32 2020reponame:Acta Limnologica Brasiliensia (Online)instname:Associação Brasileira de Limnologia (ABL)instacron:ABL10.1590/s2179-975x7119info:eu-repo/semantics/openAccessVeras,Daniel SilasLustosa,Guilherme SantanaMoura,Lucas PereiraFerreira,Maria Fernanda RibeiroJuen,Leandroeng2020-07-20T00:00:00Zoai:scielo:S2179-975X2020000100512Revistahttp://www.ablimno.org.br/publiActa.phphttps://old.scielo.br/oai/scielo-oai.php||actalb@rc.unesp.br2179-975X0102-6712opendoar:2020-07-20T00:00Acta Limnologica Brasiliensia (Online) - Associação Brasileira de Limnologia (ABL)false
dc.title.none.fl_str_mv Differences in land use modify Odonata assemblages in the Cerrado-Caatinga ecotone
title Differences in land use modify Odonata assemblages in the Cerrado-Caatinga ecotone
spellingShingle Differences in land use modify Odonata assemblages in the Cerrado-Caatinga ecotone
Veras,Daniel Silas
dragonfly
damselfly
habitat integrity
riparian forest
streams
title_short Differences in land use modify Odonata assemblages in the Cerrado-Caatinga ecotone
title_full Differences in land use modify Odonata assemblages in the Cerrado-Caatinga ecotone
title_fullStr Differences in land use modify Odonata assemblages in the Cerrado-Caatinga ecotone
title_full_unstemmed Differences in land use modify Odonata assemblages in the Cerrado-Caatinga ecotone
title_sort Differences in land use modify Odonata assemblages in the Cerrado-Caatinga ecotone
author Veras,Daniel Silas
author_facet Veras,Daniel Silas
Lustosa,Guilherme Santana
Moura,Lucas Pereira
Ferreira,Maria Fernanda Ribeiro
Juen,Leandro
author_role author
author2 Lustosa,Guilherme Santana
Moura,Lucas Pereira
Ferreira,Maria Fernanda Ribeiro
Juen,Leandro
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Veras,Daniel Silas
Lustosa,Guilherme Santana
Moura,Lucas Pereira
Ferreira,Maria Fernanda Ribeiro
Juen,Leandro
dc.subject.por.fl_str_mv dragonfly
damselfly
habitat integrity
riparian forest
streams
topic dragonfly
damselfly
habitat integrity
riparian forest
streams
description Abstract: Aim The present study tested the hypothesis that the composition of the odonate assemblages in environments with greater habitat integrity is significantly different from that of areas with reduced habitat integrity. Methods The samples were collected between April 2017 and November 2017 in eight streams in Caxias, in the Brazilian state of Maranhão. The habitat integrity index was used to quantify habitat integrity. The odonate specimens were collected by the fixed area scanning method. Results The habitat integrity index ranged from 0.265 to 0.915 at the different localities. A total of 229 specimens were collected, representing 19 odonate species. Species composition varied among streams that presented different degrees of conservation, with some species being typical of specific habitats. However, this variation had no effect on the number of taxa or the abundance of odonates, which may reflect the local substitution of extinct specialist species by generalists. Conclusions Evidence indicates that the reduction of habitat integrity is an important predictor of changes in the biodiversity of aquatic insects in streams such as those of the Cerrado-Caatinga ecotone.
publishDate 2020
dc.date.none.fl_str_mv 2020-01-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
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dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2179-975X2020000100512
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dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/s2179-975x7119
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Associação Brasileira de Limnologia
publisher.none.fl_str_mv Associação Brasileira de Limnologia
dc.source.none.fl_str_mv Acta Limnologica Brasiliensia v.32 2020
reponame:Acta Limnologica Brasiliensia (Online)
instname:Associação Brasileira de Limnologia (ABL)
instacron:ABL
instname_str Associação Brasileira de Limnologia (ABL)
instacron_str ABL
institution ABL
reponame_str Acta Limnologica Brasiliensia (Online)
collection Acta Limnologica Brasiliensia (Online)
repository.name.fl_str_mv Acta Limnologica Brasiliensia (Online) - Associação Brasileira de Limnologia (ABL)
repository.mail.fl_str_mv ||actalb@rc.unesp.br
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