Padrões fenológicos e atributos reprodutivos de espécies lenhosas no cerrado do Estado do Maranhão, Brasil

Detalhes bibliográficos
Autor(a) principal: LACERDA, Dinnie Michelle Assunção
Data de Publicação: 2017
Tipo de documento: Tese
Idioma: por
Título da fonte: Biblioteca Digital de Teses e Dissertações da UFMA
Texto Completo: https://tedebc.ufma.br/jspui/handle/tede/tede/2151
Resumo: Phenological studies at the community level in areas with scarce information may contribute to a more comprehensive understanding of the dynamics of plant communities. Such studies also allow the focus on groups of species that can bring important advances to lines more specifics of knowledge regarding phenology. Thus, with the overall objective to determine the phenological pattern of woody plant communities in two cerrado areas in the State of Maranhão, it was conducted the present study. The collection areas, in cerrado stricto sensu, are located in the Barreirinhas and at Mirador State Park (MSP), Maranhão State. It were estimated visually the percentage data regarding leaf production, leaf fall, flowering and fruiting during 24 months, monthly, in individuals with trunk circumference at the soil level >10 cm. It was marked 1418 individuals, being 706 in Barreirinhas, beloging to 43 species, and 712 at MSP, represented by 65 species. Statistical tests used included Rayleigh and Watson Williams analyses, median differences (Mann-Whitney) and distributions (G-tests). The Chapter I (to be submitted to the Brazilian Journal of Botany) deals with the characterization and comparison of the two communities, whose results show a higher concentration of leaf fall events and production events (leaf and flower) during the dry season for both areas. At the beginning of the rainy season, the production of new leaves and fruiting, which increase since the end of the dry period, remain intense. The dispersion syndromes show a close relationship with the responses found for fruiting, predominating the zoocoria in both areas. The chapter II (accepted by Flora Journal) evaluates five populations with wide occurrence in cerrado areas, present in both areas, seeking to investigate whether responses at the populations differ between areas and show similar behavior to the communities in which they are inserted, thus excluding possible effects related to differences in species composition between areas. The responses found in the two chapters are similar, with conspecific communities or populations showing adjustments to local variables, mainly related to temperature and photoperiod, associated to differences in occurrence in the period of drought in each area. Phenophases occur or intensify earlier in the MSP, showing the adjustments to the local climatic conditions and contributing with information on the plasticity of the species in different abiotic conditions. The third article (submitted to the Acta Botanica Brasilica) evaluates the relationship between reproductive phenology of evergreen (EG) and deciduous (DEC) species in MSP. Were found differences in reproductive attributes between the EG and DEC groups in relation to flowering, indicating the early occurrence and longer duration of phenological events in EG in relation to DEC. For fruiting, the main differences between DEC and EG were related to the different distribution ofviii activity percentage between the groups and their greater intensity in the EG. These responses reflect different strategies of water use by these groups. Therefore, this study provides ecological information previously non-existent in this region and little addressed in the cerrado area, contributing to the understanding of phenological responses and their associations with climate.
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spelling ALMEIRA JÚNIOR, Eduardo Bezerra de000328704-18http://lattes.cnpq.br/3142116071365323NOVAES, Éville Karina Delgado Maciel Ribeiro963341853-49http://lattes.cnpq.br/8497650335326511 Última atualização do currículo em 16/03/2018ALMEIDA JÚNIOR, Eduardo Bezerra de000328704-18http://lattes.cnpq.br/3142116071365323MUNIZ, Francisca Helenahttp://lattes.cnpq.br/8606116806263977ROCHA, Ariadne Eneshttp://lattes.cnpq.br/8614085767062686SANTOS FILHO, Francisco Soareshttp://lattes.cnpq.br/1941820037679346AGUIAR, Alana Chagashttp://lattes.cnpq.br/7656587511436822961004273-20http://lattes.cnpq.br/4876612570147486LACERDA, Dinnie Michelle Assunção2018-04-05T12:19:24Z2017-12-11LACERDA, Dinnie Michelle Assunção. Padrões fenológicos e atributos reprodutivos de espécies lenhosas no cerrado do Estado do Maranhão, Brasil. 2017. 146f. Tese (Doutorado em Biodiversidade e Biotecnologia da Rede BIONORTE/CCBS) - Universidade Federal do Maranhão, São Luís .https://tedebc.ufma.br/jspui/handle/tede/tede/2151Phenological studies at the community level in areas with scarce information may contribute to a more comprehensive understanding of the dynamics of plant communities. Such studies also allow the focus on groups of species that can bring important advances to lines more specifics of knowledge regarding phenology. Thus, with the overall objective to determine the phenological pattern of woody plant communities in two cerrado areas in the State of Maranhão, it was conducted the present study. The collection areas, in cerrado stricto sensu, are located in the Barreirinhas and at Mirador State Park (MSP), Maranhão State. It were estimated visually the percentage data regarding leaf production, leaf fall, flowering and fruiting during 24 months, monthly, in individuals with trunk circumference at the soil level >10 cm. It was marked 1418 individuals, being 706 in Barreirinhas, beloging to 43 species, and 712 at MSP, represented by 65 species. Statistical tests used included Rayleigh and Watson Williams analyses, median differences (Mann-Whitney) and distributions (G-tests). The Chapter I (to be submitted to the Brazilian Journal of Botany) deals with the characterization and comparison of the two communities, whose results show a higher concentration of leaf fall events and production events (leaf and flower) during the dry season for both areas. At the beginning of the rainy season, the production of new leaves and fruiting, which increase since the end of the dry period, remain intense. The dispersion syndromes show a close relationship with the responses found for fruiting, predominating the zoocoria in both areas. The chapter II (accepted by Flora Journal) evaluates five populations with wide occurrence in cerrado areas, present in both areas, seeking to investigate whether responses at the populations differ between areas and show similar behavior to the communities in which they are inserted, thus excluding possible effects related to differences in species composition between areas. The responses found in the two chapters are similar, with conspecific communities or populations showing adjustments to local variables, mainly related to temperature and photoperiod, associated to differences in occurrence in the period of drought in each area. Phenophases occur or intensify earlier in the MSP, showing the adjustments to the local climatic conditions and contributing with information on the plasticity of the species in different abiotic conditions. The third article (submitted to the Acta Botanica Brasilica) evaluates the relationship between reproductive phenology of evergreen (EG) and deciduous (DEC) species in MSP. Were found differences in reproductive attributes between the EG and DEC groups in relation to flowering, indicating the early occurrence and longer duration of phenological events in EG in relation to DEC. For fruiting, the main differences between DEC and EG were related to the different distribution ofviii activity percentage between the groups and their greater intensity in the EG. These responses reflect different strategies of water use by these groups. Therefore, this study provides ecological information previously non-existent in this region and little addressed in the cerrado area, contributing to the understanding of phenological responses and their associations with climate.Estudos fenológicos em nível de comunidade em áreas com escassas informações podem contribuir para o entendimento mais abrangente acerca da dinâmica das comunidades vegetais, possibilitando o foco em grupos de espécies que podem trazer importantes avanços para linhas mais específicas de conhecimento sobre fenologia. Assim, o presente estudo teve como objetivo geral determinar o padrão fenológico de comunidades vegetais lenhosas em duas áreas de cerrado no Estado do Maranhão. As áreas de coleta, inseridas no cerrado stricto sensu, estão localizadas no município de Barreirinhas e no Parque Estadual de Mirador (PEM), Maranhão. Os dados referentes à produção e queda de folhas, floração e frutificação foram estimados mensalmente durante 24 meses, em indivíduos com circunferência do tronco ao nível do solo 10 cm. Foram marcados 1418 indivíduos, sendo 706 indivíduos em Barreirinhas, correspondendo a 43 espécies, e 712 no PEM, representados por 65 espécies. Os testes estatísticos utilizadas incluem análises circulares de Rayleigh, de Watson Williams, testes de diferenças de medianas (Mann-Whitney) e de comparações de distribuições (Teste G). O capítulo I (a ser submetido à revista Brazilian Journal of Botany) trata da caracterização e comparação das duas comunidades, cujos resultados mostram uma maior concentração dos eventos foliares de queda e dos eventos de produção (de folhas e flores) durante o período de seca para as duas áreas, podendo se estender até o período chuvoso (produção de folhas novas e frutificação). As síndromes de dispersão mostram estreita relação com as respostas encontradas para a frutificação, predominando a zoocoria nas duas áreas. O capítulo II (pulicado na revista Flora) avaliou cinco populações com ampla ocorrência em áreas de cerrado e presentes nas duas áreas, buscando investigar se as respostas nas populações diferem entre as áreas e se apresentam comportamento semelhante ao das comunidades em que estão inseridas, excluindo, assim, possíveis efeitos ligados às diferenças na composição de espécies entre as áreas. As respostas encontradas nos dois capítulos são semelhantes, com comunidades ou populações conespecíficas mostrando ajustes às variáveis locais, ligadas principalmente à temperatura e ao fotoperíodo, associadas à diferenças no período de ocorrência da seca em cada área. As fenofases ocorrem ou se intensificam antecipadamente no PEM, evidenciando os ajustes às condições climáticas locais e contribuindo com informações sobre a plasticidade das espécies submetidas a diferentes condições abióticas. O capitulo III (submetido à revista Acta Botanica Brasilica) avalia a relação entre a fenologia reprodutiva de espécies sempre verdes (SV) e decíduas (DEC) no PEM. Foram encontradas diferenças em atributos reprodutivos entre os grupos (SV e DEC) em relação à floração, indicando a ocorrência antecipada e maior duraçãovi dos eventos fenológicos nas SV em relação às DEC. Para a frutificação, as principais diferenças entre DEC e SV foram relacionadas à distribuição diferente dos percentuais de atividade entre os grupos e sua maior intensidade nas SV. Essas respostas refletem diferentes estratégias de uso da água por esses grupos. Portanto, este estudo fornece dados ecológicos antes inexistentes nessa região e pouco abordadas em área de cerrado, contribuindo para o entendimento das respostas fenológicas e suas associações com o clima.Submitted by Daniella Santos (daniella.santos@ufma.br) on 2018-04-05T12:19:24Z No. of bitstreams: 1 DinnieMichelle.pdf: 4795821 bytes, checksum: f807ced7210e51ebd478911b84ec94e2 (MD5)Made available in DSpace on 2018-04-05T12:19:24Z (GMT). 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dc.title.por.fl_str_mv Padrões fenológicos e atributos reprodutivos de espécies lenhosas no cerrado do Estado do Maranhão, Brasil
dc.title.alternative.eng.fl_str_mv Phenological patterns and reproductive attributes of species in the cerrado of the State of Maranhão, Brazil
title Padrões fenológicos e atributos reprodutivos de espécies lenhosas no cerrado do Estado do Maranhão, Brasil
spellingShingle Padrões fenológicos e atributos reprodutivos de espécies lenhosas no cerrado do Estado do Maranhão, Brasil
LACERDA, Dinnie Michelle Assunção
Fenologia
Populações conespecíficas
Sazonalidade
Savana
Variações climáticas
Savanna
Climatic variations
Phenology
Conspecific population
Seasonality
Botânica
title_short Padrões fenológicos e atributos reprodutivos de espécies lenhosas no cerrado do Estado do Maranhão, Brasil
title_full Padrões fenológicos e atributos reprodutivos de espécies lenhosas no cerrado do Estado do Maranhão, Brasil
title_fullStr Padrões fenológicos e atributos reprodutivos de espécies lenhosas no cerrado do Estado do Maranhão, Brasil
title_full_unstemmed Padrões fenológicos e atributos reprodutivos de espécies lenhosas no cerrado do Estado do Maranhão, Brasil
title_sort Padrões fenológicos e atributos reprodutivos de espécies lenhosas no cerrado do Estado do Maranhão, Brasil
author LACERDA, Dinnie Michelle Assunção
author_facet LACERDA, Dinnie Michelle Assunção
author_role author
dc.contributor.advisor1.fl_str_mv ALMEIRA JÚNIOR, Eduardo Bezerra de
dc.contributor.advisor1ID.fl_str_mv 000328704-18
dc.contributor.advisor1Lattes.fl_str_mv http://lattes.cnpq.br/3142116071365323
dc.contributor.advisor-co1.fl_str_mv NOVAES, Éville Karina Delgado Maciel Ribeiro
dc.contributor.advisor-co1ID.fl_str_mv 963341853-49
dc.contributor.advisor-co1Lattes.fl_str_mv http://lattes.cnpq.br/8497650335326511 Última atualização do currículo em 16/03/2018
dc.contributor.referee1.fl_str_mv ALMEIDA JÚNIOR, Eduardo Bezerra de
dc.contributor.referee1ID.fl_str_mv 000328704-18
dc.contributor.referee1Lattes.fl_str_mv http://lattes.cnpq.br/3142116071365323
dc.contributor.referee2.fl_str_mv MUNIZ, Francisca Helena
dc.contributor.referee2Lattes.fl_str_mv http://lattes.cnpq.br/8606116806263977
dc.contributor.referee3.fl_str_mv ROCHA, Ariadne Enes
dc.contributor.referee3Lattes.fl_str_mv http://lattes.cnpq.br/8614085767062686
dc.contributor.referee4.fl_str_mv SANTOS FILHO, Francisco Soares
dc.contributor.referee4Lattes.fl_str_mv http://lattes.cnpq.br/1941820037679346
dc.contributor.referee5.fl_str_mv AGUIAR, Alana Chagas
dc.contributor.referee5Lattes.fl_str_mv http://lattes.cnpq.br/7656587511436822
dc.contributor.authorID.fl_str_mv 961004273-20
dc.contributor.authorLattes.fl_str_mv http://lattes.cnpq.br/4876612570147486
dc.contributor.author.fl_str_mv LACERDA, Dinnie Michelle Assunção
contributor_str_mv ALMEIRA JÚNIOR, Eduardo Bezerra de
NOVAES, Éville Karina Delgado Maciel Ribeiro
ALMEIDA JÚNIOR, Eduardo Bezerra de
MUNIZ, Francisca Helena
ROCHA, Ariadne Enes
SANTOS FILHO, Francisco Soares
AGUIAR, Alana Chagas
dc.subject.por.fl_str_mv Fenologia
Populações conespecíficas
Sazonalidade
Savana
Variações climáticas
Savanna
Climatic variations
topic Fenologia
Populações conespecíficas
Sazonalidade
Savana
Variações climáticas
Savanna
Climatic variations
Phenology
Conspecific population
Seasonality
Botânica
dc.subject.eng.fl_str_mv Phenology
Conspecific population
Seasonality
dc.subject.cnpq.fl_str_mv Botânica
description Phenological studies at the community level in areas with scarce information may contribute to a more comprehensive understanding of the dynamics of plant communities. Such studies also allow the focus on groups of species that can bring important advances to lines more specifics of knowledge regarding phenology. Thus, with the overall objective to determine the phenological pattern of woody plant communities in two cerrado areas in the State of Maranhão, it was conducted the present study. The collection areas, in cerrado stricto sensu, are located in the Barreirinhas and at Mirador State Park (MSP), Maranhão State. It were estimated visually the percentage data regarding leaf production, leaf fall, flowering and fruiting during 24 months, monthly, in individuals with trunk circumference at the soil level >10 cm. It was marked 1418 individuals, being 706 in Barreirinhas, beloging to 43 species, and 712 at MSP, represented by 65 species. Statistical tests used included Rayleigh and Watson Williams analyses, median differences (Mann-Whitney) and distributions (G-tests). The Chapter I (to be submitted to the Brazilian Journal of Botany) deals with the characterization and comparison of the two communities, whose results show a higher concentration of leaf fall events and production events (leaf and flower) during the dry season for both areas. At the beginning of the rainy season, the production of new leaves and fruiting, which increase since the end of the dry period, remain intense. The dispersion syndromes show a close relationship with the responses found for fruiting, predominating the zoocoria in both areas. The chapter II (accepted by Flora Journal) evaluates five populations with wide occurrence in cerrado areas, present in both areas, seeking to investigate whether responses at the populations differ between areas and show similar behavior to the communities in which they are inserted, thus excluding possible effects related to differences in species composition between areas. The responses found in the two chapters are similar, with conspecific communities or populations showing adjustments to local variables, mainly related to temperature and photoperiod, associated to differences in occurrence in the period of drought in each area. Phenophases occur or intensify earlier in the MSP, showing the adjustments to the local climatic conditions and contributing with information on the plasticity of the species in different abiotic conditions. The third article (submitted to the Acta Botanica Brasilica) evaluates the relationship between reproductive phenology of evergreen (EG) and deciduous (DEC) species in MSP. Were found differences in reproductive attributes between the EG and DEC groups in relation to flowering, indicating the early occurrence and longer duration of phenological events in EG in relation to DEC. For fruiting, the main differences between DEC and EG were related to the different distribution ofviii activity percentage between the groups and their greater intensity in the EG. These responses reflect different strategies of water use by these groups. Therefore, this study provides ecological information previously non-existent in this region and little addressed in the cerrado area, contributing to the understanding of phenological responses and their associations with climate.
publishDate 2017
dc.date.issued.fl_str_mv 2017-12-11
dc.date.accessioned.fl_str_mv 2018-04-05T12:19:24Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/doctoralThesis
format doctoralThesis
status_str publishedVersion
dc.identifier.citation.fl_str_mv LACERDA, Dinnie Michelle Assunção. Padrões fenológicos e atributos reprodutivos de espécies lenhosas no cerrado do Estado do Maranhão, Brasil. 2017. 146f. Tese (Doutorado em Biodiversidade e Biotecnologia da Rede BIONORTE/CCBS) - Universidade Federal do Maranhão, São Luís .
dc.identifier.uri.fl_str_mv https://tedebc.ufma.br/jspui/handle/tede/tede/2151
identifier_str_mv LACERDA, Dinnie Michelle Assunção. Padrões fenológicos e atributos reprodutivos de espécies lenhosas no cerrado do Estado do Maranhão, Brasil. 2017. 146f. Tese (Doutorado em Biodiversidade e Biotecnologia da Rede BIONORTE/CCBS) - Universidade Federal do Maranhão, São Luís .
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dc.publisher.none.fl_str_mv Universidade Federal do Maranhão
dc.publisher.program.fl_str_mv PROGRAMA DE PÓS-GRADUAÇÃO EM REDE - REDE DE BIODIVERSIDADE E BIOTECNOLOGIA DA AMAZÔNIA LEGAL/CCBS
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dc.publisher.country.fl_str_mv Brasil
dc.publisher.department.fl_str_mv DEPARTAMENTO DE BIOLOGIA/CCBS
publisher.none.fl_str_mv Universidade Federal do Maranhão
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