Diversidade de libélulas em lagoas antrópicas: efeitos de área, isolamento e qualidade de hábitat

Detalhes bibliográficos
Autor(a) principal: Corrêa , Caroline Costa
Data de Publicação: 2014
Tipo de documento: Dissertação
Idioma: por
Título da fonte: Repositório Institucional da UFG
dARK ID: ark:/38995/00130000058v0
Texto Completo: http://repositorio.bc.ufg.br/tede/handle/tede/8280
Resumo: Anthropic systems seems to be less interesting for biodiversity conservation when compared to natural environments. Especially in tropical anthropic systems, there is a lack of knowledge about the drivers of species richness. Thus, we tested hypotheses of pond area, isolation and habitat quality that predict odonates (and separated suborders) species richness in farmland water bodies. We hypothesized that suborders will respond differently given of their distinct skills on landscape perception. We expected that landscape features would cause a smaller influence for the Anisoptera than the Zygoptera given their higher dispersion ability and less-demanding habitat requirements. We studied species richness of Odonata and suborders (Anisoptera and Zygoptera) at 53 ponds in an agricultural landscape in the Brazilian Cerrado. We used linear regressions and we selected the best models accordingly AICc and Akaike weights. As expected, there were different relations between odonates suborders and landscape features. Among all predictors, habitat quality was the main species richness driver. Despite our expectations, habitat quality was more related with Anisoptera than Zygoptera, which in turn was best related with pond area. Isolation was related in both suborders. Our results support the view that the differences between Odonata’s suborders reflect in how they perceive the landscape and that mechanisms such habitat selection can have great influence in species distributions and community dynamics.
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spelling Marco Junior, Paulo Dehttp://lattes.cnpq.br/2767494720646648Marco Júnior, Paulo DeJuen , LeandroNabout , João Carloshttp://lattes.cnpq.br/3942033662495035Corrêa , Caroline Costa2018-03-29T19:23:49Z2014-06-16CORRÊA, C. C. Diversidade de libélulas em lagoas antrópicas: efeitos de área, isolamento e qualidade de hábitat. 2014. 47 f. Dissertação (Mestrado em Ecologia e Evolução) - Universidade Federal de Goiás, Goiânia, 2014.http://repositorio.bc.ufg.br/tede/handle/tede/8280ark:/38995/00130000058v0Anthropic systems seems to be less interesting for biodiversity conservation when compared to natural environments. Especially in tropical anthropic systems, there is a lack of knowledge about the drivers of species richness. Thus, we tested hypotheses of pond area, isolation and habitat quality that predict odonates (and separated suborders) species richness in farmland water bodies. We hypothesized that suborders will respond differently given of their distinct skills on landscape perception. We expected that landscape features would cause a smaller influence for the Anisoptera than the Zygoptera given their higher dispersion ability and less-demanding habitat requirements. We studied species richness of Odonata and suborders (Anisoptera and Zygoptera) at 53 ponds in an agricultural landscape in the Brazilian Cerrado. We used linear regressions and we selected the best models accordingly AICc and Akaike weights. As expected, there were different relations between odonates suborders and landscape features. Among all predictors, habitat quality was the main species richness driver. Despite our expectations, habitat quality was more related with Anisoptera than Zygoptera, which in turn was best related with pond area. Isolation was related in both suborders. Our results support the view that the differences between Odonata’s suborders reflect in how they perceive the landscape and that mechanisms such habitat selection can have great influence in species distributions and community dynamics.Sistemas antrópicos não detém tanto interesse para conservação da biodiversidade quanto ambientes naturais. Especialmente em ambientes antrópicos tropicais, há uma falta de conhecimento dos mecanismos que regem a riqueza de espécies. Nesse sentido, nós testamos hipóteses de área, isolamento e qualidade de hábitat que predizem a riqueza de espécies de libélulas (Odonata e suas subordens) em corpos d’água provenientes de atividade agropecuária. Nós hipotetizamos que as subordens se relacionariam diferentemente com os preditores por possuírem distintas habilidades de perceber a paisagem. Nós esperávamos que a subordem Anisoptera fosse menos influenciada pelos preditores, pela maior capacidade de dispersão e menor exigência quanto ao hábitat. Estudamos a riqueza de Odonata (libélulas) e suas subordens (Anisoptera e Zygoptera) em 53 lagoas numa paisagem agropastoril no Cerrado Brasileiro. Nós utilizamos regressões lineares e selecionamos os melhores modelos segundo o AICc e o peso de Akaike. Como esperado, as subordens apresentam distintas relações com os preditores. Entre todos os preditores, a qualidade do hábitat foi mais importante para a riqueza de espécies estando presente nos melhores modelos. Contrariando nossas expectativas, a qualidade do hábitat esteve mais relacionada a Anisoptera do que com Zygoptera, que por sua vez teve melhores relações com a área da lagoa. O isolamento foi incluído nos modelos para ambas as subordens. Nossas resultados indicam que as subordens de Odonata tem percepções distintas da paisagem e que mecanismos como seleção de hábitat podem ter grande influência na distribuição dessas espécies e na dinâmica das comunidades.Submitted by Erika Demachki (erikademachki@gmail.com) on 2018-03-29T18:21:02Z No. of bitstreams: 2 Dissertação - Caroline Costa Corrêa - 2014.pdf: 2902824 bytes, checksum: b3fda66271e9778bcb3127d8281d2db4 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)Approved for entry into archive by Erika Demachki (erikademachki@gmail.com) on 2018-03-29T19:23:49Z (GMT) No. of bitstreams: 2 Dissertação - Caroline Costa Corrêa - 2014.pdf: 2902824 bytes, checksum: b3fda66271e9778bcb3127d8281d2db4 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)Made available in DSpace on 2018-03-29T19:23:49Z (GMT). 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dc.title.eng.fl_str_mv Diversidade de libélulas em lagoas antrópicas: efeitos de área, isolamento e qualidade de hábitat
dc.title.alternative.eng.fl_str_mv Diversity of dragonflies in anthropic ponds: effects of area, isolation and habitat quality
title Diversidade de libélulas em lagoas antrópicas: efeitos de área, isolamento e qualidade de hábitat
spellingShingle Diversidade de libélulas em lagoas antrópicas: efeitos de área, isolamento e qualidade de hábitat
Corrêa , Caroline Costa
Anisoptera
Riqueza de espécies
Zygoptera
Seleção de hábitat
Anisoptera
Habitat selection
Species richness
CIENCIAS BIOLOGICAS::ECOLOGIA
title_short Diversidade de libélulas em lagoas antrópicas: efeitos de área, isolamento e qualidade de hábitat
title_full Diversidade de libélulas em lagoas antrópicas: efeitos de área, isolamento e qualidade de hábitat
title_fullStr Diversidade de libélulas em lagoas antrópicas: efeitos de área, isolamento e qualidade de hábitat
title_full_unstemmed Diversidade de libélulas em lagoas antrópicas: efeitos de área, isolamento e qualidade de hábitat
title_sort Diversidade de libélulas em lagoas antrópicas: efeitos de área, isolamento e qualidade de hábitat
author Corrêa , Caroline Costa
author_facet Corrêa , Caroline Costa
author_role author
dc.contributor.advisor1.fl_str_mv Marco Junior, Paulo De
dc.contributor.advisor1Lattes.fl_str_mv http://lattes.cnpq.br/2767494720646648
dc.contributor.referee1.fl_str_mv Marco Júnior, Paulo De
dc.contributor.referee2.fl_str_mv Juen , Leandro
dc.contributor.referee3.fl_str_mv Nabout , João Carlos
dc.contributor.authorLattes.fl_str_mv http://lattes.cnpq.br/3942033662495035
dc.contributor.author.fl_str_mv Corrêa , Caroline Costa
contributor_str_mv Marco Junior, Paulo De
Marco Júnior, Paulo De
Juen , Leandro
Nabout , João Carlos
dc.subject.por.fl_str_mv Anisoptera
Riqueza de espécies
Zygoptera
Seleção de hábitat
topic Anisoptera
Riqueza de espécies
Zygoptera
Seleção de hábitat
Anisoptera
Habitat selection
Species richness
CIENCIAS BIOLOGICAS::ECOLOGIA
dc.subject.eng.fl_str_mv Anisoptera
Habitat selection
Species richness
dc.subject.cnpq.fl_str_mv CIENCIAS BIOLOGICAS::ECOLOGIA
description Anthropic systems seems to be less interesting for biodiversity conservation when compared to natural environments. Especially in tropical anthropic systems, there is a lack of knowledge about the drivers of species richness. Thus, we tested hypotheses of pond area, isolation and habitat quality that predict odonates (and separated suborders) species richness in farmland water bodies. We hypothesized that suborders will respond differently given of their distinct skills on landscape perception. We expected that landscape features would cause a smaller influence for the Anisoptera than the Zygoptera given their higher dispersion ability and less-demanding habitat requirements. We studied species richness of Odonata and suborders (Anisoptera and Zygoptera) at 53 ponds in an agricultural landscape in the Brazilian Cerrado. We used linear regressions and we selected the best models accordingly AICc and Akaike weights. As expected, there were different relations between odonates suborders and landscape features. Among all predictors, habitat quality was the main species richness driver. Despite our expectations, habitat quality was more related with Anisoptera than Zygoptera, which in turn was best related with pond area. Isolation was related in both suborders. Our results support the view that the differences between Odonata’s suborders reflect in how they perceive the landscape and that mechanisms such habitat selection can have great influence in species distributions and community dynamics.
publishDate 2014
dc.date.issued.fl_str_mv 2014-06-16
dc.date.accessioned.fl_str_mv 2018-03-29T19:23:49Z
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dc.identifier.citation.fl_str_mv CORRÊA, C. C. Diversidade de libélulas em lagoas antrópicas: efeitos de área, isolamento e qualidade de hábitat. 2014. 47 f. Dissertação (Mestrado em Ecologia e Evolução) - Universidade Federal de Goiás, Goiânia, 2014.
dc.identifier.uri.fl_str_mv http://repositorio.bc.ufg.br/tede/handle/tede/8280
dc.identifier.dark.fl_str_mv ark:/38995/00130000058v0
identifier_str_mv CORRÊA, C. C. Diversidade de libélulas em lagoas antrópicas: efeitos de área, isolamento e qualidade de hábitat. 2014. 47 f. Dissertação (Mestrado em Ecologia e Evolução) - Universidade Federal de Goiás, Goiânia, 2014.
ark:/38995/00130000058v0
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dc.publisher.initials.fl_str_mv UFG
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dc.publisher.department.fl_str_mv Instituto de Ciências Biológicas - ICB (RG)
publisher.none.fl_str_mv Universidade Federal de Goiás
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