Distribuição espaço-temporal de comunidades de girinos (Amphibia: Anura) no cerrado sul-mato-grossense
Autor(a) principal: | |
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Data de Publicação: | 2011 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Manancial - Repositório Digital da UFSM |
Texto Completo: | http://repositorio.ufsm.br/handle/1/11183 |
Resumo: | We studied species richness, abundance and spatial-temporal distribution of tadpole communities in eight ponds in an area of Cerrado in the state of Mato Grosso do Sul, Brazil. We carried out this study during a rainy season (October 2009 to March 2010). We determined the spatial and temporal niche breadth by standardized Levins index, and we used null models to explore the patterns of niche overlap. Additionally, we evaluated the influence of environmental descriptors and spatial distribution of ponds on the studied communities using redundancy analysis (RDA) applied to three phases of the rainy season (outset, middle and the end). We recorded tadpoles of 18 species belonging to four families: Hylidae, Leiuperidae, Leptodactylidae, and Microhylidae. Most species was considered specialist regarding to spatial niche breadth a (BA <0.20), and generalist regarding the temporal niche breadth (BA> 0.50). The spatial niche overlap did not differ from expected by chance, while the temporal niche overlap was clearly not random. Niche overlap was negatively correlated with ecomorphological guilds, even after removed the phylogenetic effects. This pattern seems figure a mechanism to reduce the competitive pressure among ecologically similar species. In relation to environmental and spatial components, these presented differential influence and importance along the rainy season. In early season pond area and the percentage of marginal vegetation up to 30 cm height were the descriptors related to community organization. During the full rainy season, the percentage of marginal vegetation up to 40 cm height, percentage of flat margin profile, pond depth, as well as two spatial co-variables explained the spatial distribution of species, followed by pure environmental variables and by pure spatial variables. At the end of rainy season no environmental or spatial and descriptor was included in the model. The importance of environmental descriptors of spatial components of spatially structured descriptors varied throughout the rainy season, indicating that dynamic processes occurs along the time are responsible for the organization of the studied communities. |
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Distribuição espaço-temporal de comunidades de girinos (Amphibia: Anura) no cerrado sul-mato-grossenseSpatio-temporal distribution of tadpole communities (Amphibia: Anura) in the cerrado of mato grosso do sulEcologia de comunidadesNichoHeterogeneidade ambientalAutocorrelação espacialPoçasCommunity ecologyNicheEnvironmental heterogeneitySpatial autocorrelationPondCNPQ::CIENCIAS BIOLOGICAS::BIOQUIMICAWe studied species richness, abundance and spatial-temporal distribution of tadpole communities in eight ponds in an area of Cerrado in the state of Mato Grosso do Sul, Brazil. We carried out this study during a rainy season (October 2009 to March 2010). We determined the spatial and temporal niche breadth by standardized Levins index, and we used null models to explore the patterns of niche overlap. Additionally, we evaluated the influence of environmental descriptors and spatial distribution of ponds on the studied communities using redundancy analysis (RDA) applied to three phases of the rainy season (outset, middle and the end). We recorded tadpoles of 18 species belonging to four families: Hylidae, Leiuperidae, Leptodactylidae, and Microhylidae. Most species was considered specialist regarding to spatial niche breadth a (BA <0.20), and generalist regarding the temporal niche breadth (BA> 0.50). The spatial niche overlap did not differ from expected by chance, while the temporal niche overlap was clearly not random. Niche overlap was negatively correlated with ecomorphological guilds, even after removed the phylogenetic effects. This pattern seems figure a mechanism to reduce the competitive pressure among ecologically similar species. In relation to environmental and spatial components, these presented differential influence and importance along the rainy season. In early season pond area and the percentage of marginal vegetation up to 30 cm height were the descriptors related to community organization. During the full rainy season, the percentage of marginal vegetation up to 40 cm height, percentage of flat margin profile, pond depth, as well as two spatial co-variables explained the spatial distribution of species, followed by pure environmental variables and by pure spatial variables. At the end of rainy season no environmental or spatial and descriptor was included in the model. The importance of environmental descriptors of spatial components of spatially structured descriptors varied throughout the rainy season, indicating that dynamic processes occurs along the time are responsible for the organization of the studied communities.Coordenação de Aperfeiçoamento de Pessoal de Nível SuperiorEstudamos a riqueza, a abundância e a distribuição espaço-temporal de comunidades de girinos em oito poças em uma área de cerrado no estado do Mato Grosso do Sul, Brasil. Nós realizamos o presente estudo durante uma estação chuvosa (outubro de 2009 a março de 2010). Assim, determinamos a amplitude de nicho espacial e temporal, através do Índice de Levins padronizado e utilizamos modelos nulos para explorar os padrões de sobreposição de nicho. Adicionalmente, avaliamos influência de descritores ambientais e da distribuição espacial das poças sobre as comunidades de girinos estudadas. Para tanto, utilizamos análises de redundância (RDA), considerando três fases da estação chuvosa (início, meio e final). Registramos girinos de 18 espécies, pertencentes a quatro famílias: Hylidae, Leiuperidae, Leptodactylidae e Microhylidae. Em relação à amplitude de nicho espacial, a maioria das espécies foi considerada especialista em relação à utilização das poças (BA < 0,20), enquanto no nicho temporal a maioria foi considerada generalista (BA > 0,50). A sobreposição de nicho espacial não diferiu do esperado ao acaso, enquanto a sobreposição de nicho temporal foi claramente não aleatória. A sobreposição de nicho temporal apresentou correlação negativa com as guildas ecomorfológicas, mesmo após retirado o efeito filogenético. Tal padrão pode figurar um mecanismo de diminuição da pressão competitiva entre as espécies ecologicamente similares. Em relação aos componentes ambientais e espaciais, estes tiveram influência e importância diferenciadas ao longo da estação chuvosa. No início estação a área das poças e a porcentagem de vegetação marginal com até 30 cm de altura, foram os descritores relacionados à organização das comunidades. Durante a estação chuvosa plena, a porcentagem da vegetação marginal com até 40 cm de altura, a porcentagem de margens planas, a profundidade, bem como duas covariáveis espaciais explicaram a distribuição espacial das espécies, seguida pelas variáveis ambientais puras e pelas variáveis espaciais puras. Ao final da estação chuvosa nenhum descritor ambiental ou espacial foi incluído no modelo. A importância dos descritores ambientais, do componente espacial e dos descritores espacialmente estruturados variou ao longo da estação chuvosa, indicando que processos dinâmicos ao longo do tempo são responsáveis pela organização das comunidades larvárias estudadas.Universidade Federal de Santa MariaBRBioquímicaUFSMPrograma de Pós-Graduação em Ciências Biológicas: Bioquímica ToxicológicaCechin, Sonia Zaninihttp://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4782165H6Santos, Tiago Gomes doshttp://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4773127Y6Landó, Raúl Eduardo Maneyrohttp://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4774532T5Amarante, Débora Delevati do2012-05-292012-05-292011-02-25info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisapplication/pdfapplication/pdfAMARANTE, Débora Delevati do. SPATIO-TEMPORAL DISTRIBUTION OF TADPOLE COMMUNITIES (AMPHIBIA: ANURA) IN THE CERRADO OF MATO GROSSO DO SUL. 2011. 75 f. Dissertação (Mestrado em Ciências Biológicas) - Universidade Federal de Santa Maria, Santa Maria, 2011.http://repositorio.ufsm.br/handle/1/11183porinfo:eu-repo/semantics/openAccessreponame:Manancial - Repositório Digital da UFSMinstname:Universidade Federal de Santa Maria (UFSM)instacron:UFSM2022-04-29T13:44:23Zoai:repositorio.ufsm.br:1/11183Biblioteca Digital de Teses e Dissertaçõeshttps://repositorio.ufsm.br/ONGhttps://repositorio.ufsm.br/oai/requestatendimento.sib@ufsm.br||tedebc@gmail.comopendoar:2022-04-29T13:44:23Manancial - Repositório Digital da UFSM - Universidade Federal de Santa Maria (UFSM)false |
dc.title.none.fl_str_mv |
Distribuição espaço-temporal de comunidades de girinos (Amphibia: Anura) no cerrado sul-mato-grossense Spatio-temporal distribution of tadpole communities (Amphibia: Anura) in the cerrado of mato grosso do sul |
title |
Distribuição espaço-temporal de comunidades de girinos (Amphibia: Anura) no cerrado sul-mato-grossense |
spellingShingle |
Distribuição espaço-temporal de comunidades de girinos (Amphibia: Anura) no cerrado sul-mato-grossense Amarante, Débora Delevati do Ecologia de comunidades Nicho Heterogeneidade ambiental Autocorrelação espacial Poças Community ecology Niche Environmental heterogeneity Spatial autocorrelation Pond CNPQ::CIENCIAS BIOLOGICAS::BIOQUIMICA |
title_short |
Distribuição espaço-temporal de comunidades de girinos (Amphibia: Anura) no cerrado sul-mato-grossense |
title_full |
Distribuição espaço-temporal de comunidades de girinos (Amphibia: Anura) no cerrado sul-mato-grossense |
title_fullStr |
Distribuição espaço-temporal de comunidades de girinos (Amphibia: Anura) no cerrado sul-mato-grossense |
title_full_unstemmed |
Distribuição espaço-temporal de comunidades de girinos (Amphibia: Anura) no cerrado sul-mato-grossense |
title_sort |
Distribuição espaço-temporal de comunidades de girinos (Amphibia: Anura) no cerrado sul-mato-grossense |
author |
Amarante, Débora Delevati do |
author_facet |
Amarante, Débora Delevati do |
author_role |
author |
dc.contributor.none.fl_str_mv |
Cechin, Sonia Zanini http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4782165H6 Santos, Tiago Gomes dos http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4773127Y6 Landó, Raúl Eduardo Maneyro http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4774532T5 |
dc.contributor.author.fl_str_mv |
Amarante, Débora Delevati do |
dc.subject.por.fl_str_mv |
Ecologia de comunidades Nicho Heterogeneidade ambiental Autocorrelação espacial Poças Community ecology Niche Environmental heterogeneity Spatial autocorrelation Pond CNPQ::CIENCIAS BIOLOGICAS::BIOQUIMICA |
topic |
Ecologia de comunidades Nicho Heterogeneidade ambiental Autocorrelação espacial Poças Community ecology Niche Environmental heterogeneity Spatial autocorrelation Pond CNPQ::CIENCIAS BIOLOGICAS::BIOQUIMICA |
description |
We studied species richness, abundance and spatial-temporal distribution of tadpole communities in eight ponds in an area of Cerrado in the state of Mato Grosso do Sul, Brazil. We carried out this study during a rainy season (October 2009 to March 2010). We determined the spatial and temporal niche breadth by standardized Levins index, and we used null models to explore the patterns of niche overlap. Additionally, we evaluated the influence of environmental descriptors and spatial distribution of ponds on the studied communities using redundancy analysis (RDA) applied to three phases of the rainy season (outset, middle and the end). We recorded tadpoles of 18 species belonging to four families: Hylidae, Leiuperidae, Leptodactylidae, and Microhylidae. Most species was considered specialist regarding to spatial niche breadth a (BA <0.20), and generalist regarding the temporal niche breadth (BA> 0.50). The spatial niche overlap did not differ from expected by chance, while the temporal niche overlap was clearly not random. Niche overlap was negatively correlated with ecomorphological guilds, even after removed the phylogenetic effects. This pattern seems figure a mechanism to reduce the competitive pressure among ecologically similar species. In relation to environmental and spatial components, these presented differential influence and importance along the rainy season. In early season pond area and the percentage of marginal vegetation up to 30 cm height were the descriptors related to community organization. During the full rainy season, the percentage of marginal vegetation up to 40 cm height, percentage of flat margin profile, pond depth, as well as two spatial co-variables explained the spatial distribution of species, followed by pure environmental variables and by pure spatial variables. At the end of rainy season no environmental or spatial and descriptor was included in the model. The importance of environmental descriptors of spatial components of spatially structured descriptors varied throughout the rainy season, indicating that dynamic processes occurs along the time are responsible for the organization of the studied communities. |
publishDate |
2011 |
dc.date.none.fl_str_mv |
2011-02-25 2012-05-29 2012-05-29 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
format |
masterThesis |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
AMARANTE, Débora Delevati do. SPATIO-TEMPORAL DISTRIBUTION OF TADPOLE COMMUNITIES (AMPHIBIA: ANURA) IN THE CERRADO OF MATO GROSSO DO SUL. 2011. 75 f. Dissertação (Mestrado em Ciências Biológicas) - Universidade Federal de Santa Maria, Santa Maria, 2011. http://repositorio.ufsm.br/handle/1/11183 |
identifier_str_mv |
AMARANTE, Débora Delevati do. SPATIO-TEMPORAL DISTRIBUTION OF TADPOLE COMMUNITIES (AMPHIBIA: ANURA) IN THE CERRADO OF MATO GROSSO DO SUL. 2011. 75 f. Dissertação (Mestrado em Ciências Biológicas) - Universidade Federal de Santa Maria, Santa Maria, 2011. |
url |
http://repositorio.ufsm.br/handle/1/11183 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Federal de Santa Maria BR Bioquímica UFSM Programa de Pós-Graduação em Ciências Biológicas: Bioquímica Toxicológica |
publisher.none.fl_str_mv |
Universidade Federal de Santa Maria BR Bioquímica UFSM Programa de Pós-Graduação em Ciências Biológicas: Bioquímica Toxicológica |
dc.source.none.fl_str_mv |
reponame:Manancial - Repositório Digital da UFSM instname:Universidade Federal de Santa Maria (UFSM) instacron:UFSM |
instname_str |
Universidade Federal de Santa Maria (UFSM) |
instacron_str |
UFSM |
institution |
UFSM |
reponame_str |
Manancial - Repositório Digital da UFSM |
collection |
Manancial - Repositório Digital da UFSM |
repository.name.fl_str_mv |
Manancial - Repositório Digital da UFSM - Universidade Federal de Santa Maria (UFSM) |
repository.mail.fl_str_mv |
atendimento.sib@ufsm.br||tedebc@gmail.com |
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1805922092116344832 |