Padrões e processos ecológicos relacionados à montagem de comunidades no semiárido tropical brasileiro
Autor(a) principal: | |
---|---|
Data de Publicação: | 2020 |
Tipo de documento: | Tese |
Idioma: | por |
Título da fonte: | Biblioteca Digital de Teses e Dissertações da UFRPE |
Texto Completo: | http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/8958 |
Resumo: | Community ecology studies patterns of diversity and processes underlying those patterns. Many studies only consider taxonomic diversity (TD), but the evolutionary history (phylogenetic diversity, PD) and functional traits (functional diversity, FD) of species can also be used to understand the processes that structure diversity patterns, especially taking into account the alpha and beta components of diversity. The use of these approaches allows a better understanding of the relationships between species and the environment since the functional traits of the species can be the result of both the relationship and the species' responses to the environment. Thus, this thesis had the following objectives: (i) test if the variations of the functional traits in the tropical semiarid are responses of the abiotic variables, evolutionary history or by stochastic events and (ii) analyze the congruence between TD, PD and FD different conditions of water and soil availability. In order to answer these objectives, the climatic variables were estimated, the chemical and physical variables of the soil were determined and eight functional traits were measured in 20 areas distributed in a precipitation gradient (502 to 1,423 mmyear-¹) in the semiarid region of northeastern Brazil. Considering aim (i) it was found that there is no influence of the evolutionary history on the variation of the functional traits and that the climatic and soil factors influenced a combination of functional traits that allowed to identify two trade-offs one between leaf area and basic density of branch wood and other leaf area and height. Considering the objective (ii) the three facets of diversity showed different patterns of change in the tropical semiarid. In the alpha component, there was congruence between the different facets of diversity. However, in the beta component in the drier areas, they showed a decrease in taxonomic and functional diversity and an increase in phylogenetic diversity, indicating a pattern of mismatch between these facets of diversity. Different ecological processes drove the communities’ assembly of in the northeastern semiarid, since there were contributions from processes related to the niche and stochastic events. Thus, it is concluded that the variations of the functional traits were responses to the variations of the environment and not to the evolutionary history and that the patterns of assembly of communities in the semiarid differ in the aspects of diversity. The study pointed out that the processes that act to promote the assembly of communities in the tropical semiarid vary with water availability. |
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RODAL, Maria Jesus NogueiraLIMA, André Luiz Alves deSOUZA, Thiago GonçalvesSILVA, Ana Carolina Borges Lins eMARANGON, Ana Lícia Patriota FelicianoSAMPAIO, Everardo Valadares de Sá BarretoESPÍRITO SANTO, Mário Marcoshttp://lattes.cnpq.br/7389491995039510SILVA, Valdemir Fernando da2023-05-16T16:40:10Z2020-06-30SILVA, Valdemir Fernando da. Padrões e processos ecológicos relacionados à montagem de comunidades no semiárido tropical brasileiro. 2020. 102 f. Tese (Programa de Pós-Graduação em Ciências Florestais) - Universidade Federal Rural de Pernambuco, Recife.http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/8958Community ecology studies patterns of diversity and processes underlying those patterns. Many studies only consider taxonomic diversity (TD), but the evolutionary history (phylogenetic diversity, PD) and functional traits (functional diversity, FD) of species can also be used to understand the processes that structure diversity patterns, especially taking into account the alpha and beta components of diversity. The use of these approaches allows a better understanding of the relationships between species and the environment since the functional traits of the species can be the result of both the relationship and the species' responses to the environment. Thus, this thesis had the following objectives: (i) test if the variations of the functional traits in the tropical semiarid are responses of the abiotic variables, evolutionary history or by stochastic events and (ii) analyze the congruence between TD, PD and FD different conditions of water and soil availability. In order to answer these objectives, the climatic variables were estimated, the chemical and physical variables of the soil were determined and eight functional traits were measured in 20 areas distributed in a precipitation gradient (502 to 1,423 mmyear-¹) in the semiarid region of northeastern Brazil. Considering aim (i) it was found that there is no influence of the evolutionary history on the variation of the functional traits and that the climatic and soil factors influenced a combination of functional traits that allowed to identify two trade-offs one between leaf area and basic density of branch wood and other leaf area and height. Considering the objective (ii) the three facets of diversity showed different patterns of change in the tropical semiarid. In the alpha component, there was congruence between the different facets of diversity. However, in the beta component in the drier areas, they showed a decrease in taxonomic and functional diversity and an increase in phylogenetic diversity, indicating a pattern of mismatch between these facets of diversity. Different ecological processes drove the communities’ assembly of in the northeastern semiarid, since there were contributions from processes related to the niche and stochastic events. Thus, it is concluded that the variations of the functional traits were responses to the variations of the environment and not to the evolutionary history and that the patterns of assembly of communities in the semiarid differ in the aspects of diversity. The study pointed out that the processes that act to promote the assembly of communities in the tropical semiarid vary with water availability.A ecologia de comunidades estuda padrões de diversidade e processos subjacentes a esses padrões. Muitos estudos consideram somente a diversidade taxonômica (TD), mas a história evolutiva (diversidade filogenética, PD) e os traços funcionais (diversidade funcional, FD) das espécies também podem ser utilizados para entender os processos que estruturam padrões de diversidade, especialmente levando em conta os componentes alfa e beta da diversidade. O uso dessas abordagens permite compreender melhor as relações entre espécies e o ambiente, uma vez que os traços funcionais das espécies podem ser resultado tanto da relação de parentesco quanto das respostas das espécies ao ambiente. Dessa forma, essa tese teve os seguintes objetivos: (i) testar se as variações dos traços funcionais no semiárido tropical são respostas às variáveis abióticas, à história evolutiva ou a eventos estocásticos e (ii) analisar a congruência entre TD, PD e FD em diferentes condições de disponibilidade hídrica e de solo. Para responder a estes objetivos, foram estimadas as variáveis climáticas, determinadas as variáveis químicas e físicas do solo e mensurados oito traços funcionais em 20 áreas distribuídas em um gradiente de precipitação (502 a 1.423 mm. ano1) no semiárido do Nordeste do Brasil. Considerando o objetivo (i), constatou-se que não houve influência da história evolutiva na variação dos traços funcionais e que os fatores climáticos e de solo influenciaram uma combinação de traços funcionais que permitiram identificar dois trade-offs: um entre área foliar e densidade de madeira do ramo e outro entre área foliar e altura. Considerando o objetivo (ii), as três facetas da diversidade mostraram diferentes padrões de mudança no semiárido tropical. No componente alfa, houve congruência entre as diferentes facetas da diversidade. No componente beta, as áreas mais secas apresentaram diminuição da diversidade taxonômica e funcional e aumento da diversidade filogenética, indicando um padrão de incongruência entre essas facetas da diversidade. A montagem de comunidades no semiárido nordestino foi impulsionada por diferentes processos ecológicos, uma vez que se constataram contribuições de processos relacionadas ao nicho e a eventos estocásticos. Assim, conclui-se que as variações dos traços funcionais foram respostas às variações do ambiente e não à história evolutiva e que os padrões de montagem de comunidades no semiárido diferem quanto às facetas da diversidade. O estudo apontou que os processos que atuam promovendo a montagem de comunidades no semiárido tropical variam com a disponibilidade hídrica.Submitted by (ana.araujo@ufrpe.br) on 2023-05-16T16:40:10Z No. of bitstreams: 1 Valdemir Fernando da Silva.pdf: 1896098 bytes, checksum: 23db50b207e78cbf5c8db4de0344a0c3 (MD5)Made available in DSpace on 2023-05-16T16:40:10Z (GMT). No. of bitstreams: 1 Valdemir Fernando da Silva.pdf: 1896098 bytes, checksum: 23db50b207e78cbf5c8db4de0344a0c3 (MD5) Previous issue date: 2020-06-30application/pdfporUniversidade Federal Rural de PernambucoPrograma de Pós-Graduação em Ciências FlorestaisUFRPEBrasilDepartamento de Ciência FlorestalComunidades vegetaisEcologia funcionalDiversidade funcionalDiversidade taxonômicaCIENCIAS AGRARIAS::RECURSOS FLORESTAIS E ENGENHARIA FLORESTALPadrões e processos ecológicos relacionados à montagem de comunidades no semiárido tropical brasileiroEcological patterns and processes related to the assembly of communities in the tropical semiaridinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/doctoralThesis67087623920308873596006006008320097514872741102-604049389552879283info:eu-repo/semantics/openAccessreponame:Biblioteca Digital de Teses e Dissertações da UFRPEinstname:Universidade Federal Rural de Pernambuco (UFRPE)instacron:UFRPEORIGINALValdemir Fernando da Silva.pdfValdemir Fernando da Silva.pdfapplication/pdf1896098http://www.tede2.ufrpe.br:8080/tede2/bitstream/tede2/8958/2/Valdemir+Fernando+da+Silva.pdf23db50b207e78cbf5c8db4de0344a0c3MD52LICENSElicense.txtlicense.txttext/plain; charset=utf-82165http://www.tede2.ufrpe.br:8080/tede2/bitstream/tede2/8958/1/license.txtbd3efa91386c1718a7f26a329fdcb468MD51tede2/89582023-05-25 12:32:37.054oai:tede2: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Biblioteca Digital de Teses e Dissertaçõeshttp://www.tede2.ufrpe.br:8080/tede/PUBhttp://www.tede2.ufrpe.br:8080/oai/requestbdtd@ufrpe.br ||bdtd@ufrpe.bropendoar:2024-05-28T12:37:38.508825Biblioteca Digital de Teses e Dissertações da UFRPE - Universidade Federal Rural de Pernambuco (UFRPE)false |
dc.title.por.fl_str_mv |
Padrões e processos ecológicos relacionados à montagem de comunidades no semiárido tropical brasileiro |
dc.title.alternative.eng.fl_str_mv |
Ecological patterns and processes related to the assembly of communities in the tropical semiarid |
title |
Padrões e processos ecológicos relacionados à montagem de comunidades no semiárido tropical brasileiro |
spellingShingle |
Padrões e processos ecológicos relacionados à montagem de comunidades no semiárido tropical brasileiro SILVA, Valdemir Fernando da Comunidades vegetais Ecologia funcional Diversidade funcional Diversidade taxonômica CIENCIAS AGRARIAS::RECURSOS FLORESTAIS E ENGENHARIA FLORESTAL |
title_short |
Padrões e processos ecológicos relacionados à montagem de comunidades no semiárido tropical brasileiro |
title_full |
Padrões e processos ecológicos relacionados à montagem de comunidades no semiárido tropical brasileiro |
title_fullStr |
Padrões e processos ecológicos relacionados à montagem de comunidades no semiárido tropical brasileiro |
title_full_unstemmed |
Padrões e processos ecológicos relacionados à montagem de comunidades no semiárido tropical brasileiro |
title_sort |
Padrões e processos ecológicos relacionados à montagem de comunidades no semiárido tropical brasileiro |
author |
SILVA, Valdemir Fernando da |
author_facet |
SILVA, Valdemir Fernando da |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
RODAL, Maria Jesus Nogueira |
dc.contributor.advisor-co1.fl_str_mv |
LIMA, André Luiz Alves de |
dc.contributor.advisor-co2.fl_str_mv |
SOUZA, Thiago Gonçalves |
dc.contributor.referee1.fl_str_mv |
SILVA, Ana Carolina Borges Lins e |
dc.contributor.referee2.fl_str_mv |
MARANGON, Ana Lícia Patriota Feliciano |
dc.contributor.referee3.fl_str_mv |
SAMPAIO, Everardo Valadares de Sá Barreto |
dc.contributor.referee4.fl_str_mv |
ESPÍRITO SANTO, Mário Marcos |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/7389491995039510 |
dc.contributor.author.fl_str_mv |
SILVA, Valdemir Fernando da |
contributor_str_mv |
RODAL, Maria Jesus Nogueira LIMA, André Luiz Alves de SOUZA, Thiago Gonçalves SILVA, Ana Carolina Borges Lins e MARANGON, Ana Lícia Patriota Feliciano SAMPAIO, Everardo Valadares de Sá Barreto ESPÍRITO SANTO, Mário Marcos |
dc.subject.por.fl_str_mv |
Comunidades vegetais Ecologia funcional Diversidade funcional Diversidade taxonômica |
topic |
Comunidades vegetais Ecologia funcional Diversidade funcional Diversidade taxonômica CIENCIAS AGRARIAS::RECURSOS FLORESTAIS E ENGENHARIA FLORESTAL |
dc.subject.cnpq.fl_str_mv |
CIENCIAS AGRARIAS::RECURSOS FLORESTAIS E ENGENHARIA FLORESTAL |
description |
Community ecology studies patterns of diversity and processes underlying those patterns. Many studies only consider taxonomic diversity (TD), but the evolutionary history (phylogenetic diversity, PD) and functional traits (functional diversity, FD) of species can also be used to understand the processes that structure diversity patterns, especially taking into account the alpha and beta components of diversity. The use of these approaches allows a better understanding of the relationships between species and the environment since the functional traits of the species can be the result of both the relationship and the species' responses to the environment. Thus, this thesis had the following objectives: (i) test if the variations of the functional traits in the tropical semiarid are responses of the abiotic variables, evolutionary history or by stochastic events and (ii) analyze the congruence between TD, PD and FD different conditions of water and soil availability. In order to answer these objectives, the climatic variables were estimated, the chemical and physical variables of the soil were determined and eight functional traits were measured in 20 areas distributed in a precipitation gradient (502 to 1,423 mmyear-¹) in the semiarid region of northeastern Brazil. Considering aim (i) it was found that there is no influence of the evolutionary history on the variation of the functional traits and that the climatic and soil factors influenced a combination of functional traits that allowed to identify two trade-offs one between leaf area and basic density of branch wood and other leaf area and height. Considering the objective (ii) the three facets of diversity showed different patterns of change in the tropical semiarid. In the alpha component, there was congruence between the different facets of diversity. However, in the beta component in the drier areas, they showed a decrease in taxonomic and functional diversity and an increase in phylogenetic diversity, indicating a pattern of mismatch between these facets of diversity. Different ecological processes drove the communities’ assembly of in the northeastern semiarid, since there were contributions from processes related to the niche and stochastic events. Thus, it is concluded that the variations of the functional traits were responses to the variations of the environment and not to the evolutionary history and that the patterns of assembly of communities in the semiarid differ in the aspects of diversity. The study pointed out that the processes that act to promote the assembly of communities in the tropical semiarid vary with water availability. |
publishDate |
2020 |
dc.date.issued.fl_str_mv |
2020-06-30 |
dc.date.accessioned.fl_str_mv |
2023-05-16T16:40:10Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
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publishedVersion |
dc.identifier.citation.fl_str_mv |
SILVA, Valdemir Fernando da. Padrões e processos ecológicos relacionados à montagem de comunidades no semiárido tropical brasileiro. 2020. 102 f. Tese (Programa de Pós-Graduação em Ciências Florestais) - Universidade Federal Rural de Pernambuco, Recife. |
dc.identifier.uri.fl_str_mv |
http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/8958 |
identifier_str_mv |
SILVA, Valdemir Fernando da. Padrões e processos ecológicos relacionados à montagem de comunidades no semiárido tropical brasileiro. 2020. 102 f. Tese (Programa de Pós-Graduação em Ciências Florestais) - Universidade Federal Rural de Pernambuco, Recife. |
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por |
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Universidade Federal Rural de Pernambuco |
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UFRPE |
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Universidade Federal Rural de Pernambuco |
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