Fitobentos associados a bancos de rodolitos do Litoral Norte da Bahia: aspectos taxon?micos e ecol?gicos
Ano de defesa: | 2012 |
---|---|
Autor(a) principal: | |
Orientador(a): | |
Banca de defesa: | |
Tipo de documento: | Dissertação |
Tipo de acesso: | Acesso aberto |
Idioma: | por |
Instituição de defesa: |
Universidade Estadual de Feira de Santana
|
Programa de Pós-Graduação: |
Mestrado Acad?mico em Bot?nica
|
Departamento: |
DEPARTAMENTO DE CI?NCIAS BIOL?GICAS
|
País: |
Brasil
|
Palavras-chave em Português: | |
Palavras-chave em Inglês: | |
Área do conhecimento CNPq: | |
Link de acesso: | http://tede2.uefs.br:8080/handle/tede/1044 |
Resumo: | Rhodolith beds are one of the most important benthic communities in the Brazilian continental shelf, mainly which provides a three-dimensional structure that transforms homogeneous backgrounds and unconsolidated sediments on hard substrates and heterogeneous, thus expanding the available niches and allowing an increase of diversity of associated species. This study aimed to characterize the floristic composition and community structure of phytobenthic associated to rhodoliths beds in an area of the northern coast of Bahia. Analysis of the phytobenthic community structure consisted of total number of taxa identified, dry biomass (g / m?) and sedimentological composition of collection points, and statistical analysis of results collected at each point. Composition of the phytobenthic flora of the study area was predominantly tropical, being collected and identified 66 taxa of algae associated with rodolith, 17 Chlorophyta, 14 Heterokontophyta-class Phaeophyceae and 35 Rhodophyta. Bryopsiales (Chlorophyta), Dictyotales (Heterokontophyta) and Ceramiales (Rhodophyta) were the most representative orders. Four forms of growth of non-geniculate coralline algae were identified: warty, lumpy, encrusting and fruticose, and four types of rodoliths morphologies: spherical, cylindrical, laminar and discoid. Lithothamnion brasiliense Foslie and L. superpositum Foslie were identified as the main species forming the rhodoliths beds. The composition of the sedimentology was classified as sandy-gravelly biodetrical during the dry season, and gravel-sandy biodetrical during the rainy season. There were also differences in biomass values between the dry and rainy seasons, and the dry season possessed a higher biomass concentration than that observed in the rainy season. The results obtained for the values of Shannon diversity index (H ') and Pielou's evenness (J) corroborated the distinction observed between the dry and rainy season, thus revealing the existence of a pattern of seasonality in place. |
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Nunes, Jos? Marcos de Castro01570756562http://lattes.cnpq.br/5629565272653544Alves, G?rson Limoeiro2020-04-22T22:47:05Z2012-03-09ALVES, G?rson Limoeiro. Fitobentos associados a bancos de rodolitos do Litoral Norte da Bahia: aspectos taxon?micos e ecol?gicos. 2012. 174 f. Disserta??o (Mestrado Acad?mico em Bot?nica)- Universidade Estadual de Feira de Santana, Feira de Santana, 2012.http://tede2.uefs.br:8080/handle/tede/1044Rhodolith beds are one of the most important benthic communities in the Brazilian continental shelf, mainly which provides a three-dimensional structure that transforms homogeneous backgrounds and unconsolidated sediments on hard substrates and heterogeneous, thus expanding the available niches and allowing an increase of diversity of associated species. This study aimed to characterize the floristic composition and community structure of phytobenthic associated to rhodoliths beds in an area of the northern coast of Bahia. Analysis of the phytobenthic community structure consisted of total number of taxa identified, dry biomass (g / m?) and sedimentological composition of collection points, and statistical analysis of results collected at each point. Composition of the phytobenthic flora of the study area was predominantly tropical, being collected and identified 66 taxa of algae associated with rodolith, 17 Chlorophyta, 14 Heterokontophyta-class Phaeophyceae and 35 Rhodophyta. Bryopsiales (Chlorophyta), Dictyotales (Heterokontophyta) and Ceramiales (Rhodophyta) were the most representative orders. Four forms of growth of non-geniculate coralline algae were identified: warty, lumpy, encrusting and fruticose, and four types of rodoliths morphologies: spherical, cylindrical, laminar and discoid. Lithothamnion brasiliense Foslie and L. superpositum Foslie were identified as the main species forming the rhodoliths beds. The composition of the sedimentology was classified as sandy-gravelly biodetrical during the dry season, and gravel-sandy biodetrical during the rainy season. There were also differences in biomass values between the dry and rainy seasons, and the dry season possessed a higher biomass concentration than that observed in the rainy season. The results obtained for the values of Shannon diversity index (H ') and Pielou's evenness (J) corroborated the distinction observed between the dry and rainy season, thus revealing the existence of a pattern of seasonality in place.Os bancos de rodolitos s?o uma das mais importantes comunidades bent?nicas na plataforma continental brasileira, principalmente devido a sua capacidade de promover altera??es estruturais no ambiente, transformando fundos homog?neos e de sedimentos inconsolidados, em substratos duros e heterog?neos, ampliando a disponibilidade de nichos e possibilitando o aumento da diversidade de esp?cies associadas. O presente trabalho objetivou caracterizar a composi??o flor?stica e a estrutura da comunidade fitobent?nica associada a bancos de rodolitos, em uma ?rea do litoral norte da Bahia. Para a an?lise da estrutura da comunidade fitobet?nica, foi analisado o n?mero total de t?xons identificados, a biomassa seca (g/m?) e composi??o sedimentol?gica dos pontos de coleta, al?m de an?lises estat?sticas dos resultados obtidos em cada ponto coletado. A composi??o da flora fitobentonica da ?rea estudada foi predominantemente tropical, sendo coletados e identificados um total de 66 t?xons infragen?ricos de algas marinhas associadas aos rodolitos, 17 t?xons pertenceram ? Divis?o Chlorophyta, 14 ? Divis?o Heterokontophyta e 35 ? Divis?o Rhodophyta. As ordens Bryopsiales (Chlorophyta), Dictyotales (Heterokontophyta) e Ceramiales (Rhodophyta), as mais representativas dentro de suas respectivas divis?es. Foram identificadas 4 (quatro) formas de crescimento das algas calc?rias n?o geniculadas: verrucosa (warty), grumosa (lumpy), incrustante (encrusting) e fruticosa (fruticose), e 4 (quatro) tipos de morfologias dos rodolitos: esf?rica, cil?ndrica, laminar e disc?ide. Lithothamnion brasiliense Foslie e L. superpositum Foslie foram identificadas como as principais esp?cies formadoras do banco de rodolito. A composi??o do sedimentol?gica do fundo oce?nico foi classificada como areno-cascalhoso biodetrico durante a esta??o seca, e cascalho-arenoso biodetr?co durante a esta??o chuvosa. Observaram-se tamb?m diferen?as nos valores de biomassa entre as esta??es seca e chuvosa, sendo que a esta??o seca possuiu uma maior concentra??o de biomassa do que a observada na esta??o chuvosa. Os resultados obtidos pelos valores do ?ndice de diversidade de Shannon (H?) e equitabilidade de Pielou (J) corroboraram a distin??o observada entre a esta??o seca e a esta??o chuvosa, evidenciando assim a exist?ncia de um padr?o de sazonalidade no local.Submitted by Ricardo Cedraz Duque Moliterno (ricardo.moliterno@uefs.br) on 2020-04-22T22:47:05Z No. of bitstreams: 1 Disserta??o_Gerson.pdf: 54632205 bytes, checksum: 7def2001b94f2138ee002800cc6d0469 (MD5)Made available in DSpace on 2020-04-22T22:47:05Z (GMT). No. of bitstreams: 1 Disserta??o_Gerson.pdf: 54632205 bytes, checksum: 7def2001b94f2138ee002800cc6d0469 (MD5) Previous issue date: 2012-03-09Conselho Nacional de Pesquisa e Desenvolvimento Cient?fico e Tecnol?gico - CNPqapplication/pdfporUniversidade Estadual de Feira de SantanaMestrado Acad?mico em Bot?nicaUEFSBrasilDEPARTAMENTO DE CI?NCIAS BIOL?GICASInfralitoralMacroalgasRodolitosBrasilMacroalgaeRhodolithBrazilCIENCIAS BIOLOGICAS::FISIOLOGIABOTANICA::FISIOLOGIA VEGETALFitobentos associados a bancos de rodolitos do Litoral Norte da Bahia: aspectos taxon?micos e ecol?gicosinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesis187997628645459204860060060060060050261233834505892827737708247419018223-2899930502695051981802873727776104890info:eu-repo/semantics/openAccessreponame:Biblioteca Digital de Teses e Dissertações da UEFSinstname:Universidade Estadual de Feira de Santana (UEFS)instacron:UEFSORIGINALDisserta??o_Gerson.pdfDisserta??o_Gerson.pdfapplication/pdf54632205http://tede2.uefs.br:8080/bitstream/tede/1044/2/Disserta%C3%A7%C3%A3o_Gerson.pdf7def2001b94f2138ee002800cc6d0469MD52LICENSElicense.txtlicense.txttext/plain; charset=utf-82089http://tede2.uefs.br:8080/bitstream/tede/1044/1/license.txt7b5ba3d2445355f386edab96125d42b7MD51tede/10442020-04-22 19:47:05.453oai:tede2.uefs.br:8080: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Biblioteca Digital de Teses e Dissertaçõeshttp://tede2.uefs.br:8080/PUBhttp://tede2.uefs.br:8080/oai/requestbcuefs@uefs.br|| bcref@uefs.br||bcuefs@uefs.bropendoar:2020-04-22T22:47:05Biblioteca Digital de Teses e Dissertações da UEFS - Universidade Estadual de Feira de Santana (UEFS)false |
dc.title.por.fl_str_mv |
Fitobentos associados a bancos de rodolitos do Litoral Norte da Bahia: aspectos taxon?micos e ecol?gicos |
title |
Fitobentos associados a bancos de rodolitos do Litoral Norte da Bahia: aspectos taxon?micos e ecol?gicos |
spellingShingle |
Fitobentos associados a bancos de rodolitos do Litoral Norte da Bahia: aspectos taxon?micos e ecol?gicos Alves, G?rson Limoeiro Infralitoral Macroalgas Rodolitos Brasil Macroalgae Rhodolith Brazil CIENCIAS BIOLOGICAS::FISIOLOGIA BOTANICA::FISIOLOGIA VEGETAL |
title_short |
Fitobentos associados a bancos de rodolitos do Litoral Norte da Bahia: aspectos taxon?micos e ecol?gicos |
title_full |
Fitobentos associados a bancos de rodolitos do Litoral Norte da Bahia: aspectos taxon?micos e ecol?gicos |
title_fullStr |
Fitobentos associados a bancos de rodolitos do Litoral Norte da Bahia: aspectos taxon?micos e ecol?gicos |
title_full_unstemmed |
Fitobentos associados a bancos de rodolitos do Litoral Norte da Bahia: aspectos taxon?micos e ecol?gicos |
title_sort |
Fitobentos associados a bancos de rodolitos do Litoral Norte da Bahia: aspectos taxon?micos e ecol?gicos |
author |
Alves, G?rson Limoeiro |
author_facet |
Alves, G?rson Limoeiro |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Nunes, Jos? Marcos de Castro |
dc.contributor.authorID.fl_str_mv |
01570756562 |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/5629565272653544 |
dc.contributor.author.fl_str_mv |
Alves, G?rson Limoeiro |
contributor_str_mv |
Nunes, Jos? Marcos de Castro |
dc.subject.por.fl_str_mv |
Infralitoral Macroalgas Rodolitos Brasil |
topic |
Infralitoral Macroalgas Rodolitos Brasil Macroalgae Rhodolith Brazil CIENCIAS BIOLOGICAS::FISIOLOGIA BOTANICA::FISIOLOGIA VEGETAL |
dc.subject.eng.fl_str_mv |
Macroalgae Rhodolith Brazil |
dc.subject.cnpq.fl_str_mv |
CIENCIAS BIOLOGICAS::FISIOLOGIA BOTANICA::FISIOLOGIA VEGETAL |
description |
Rhodolith beds are one of the most important benthic communities in the Brazilian continental shelf, mainly which provides a three-dimensional structure that transforms homogeneous backgrounds and unconsolidated sediments on hard substrates and heterogeneous, thus expanding the available niches and allowing an increase of diversity of associated species. This study aimed to characterize the floristic composition and community structure of phytobenthic associated to rhodoliths beds in an area of the northern coast of Bahia. Analysis of the phytobenthic community structure consisted of total number of taxa identified, dry biomass (g / m?) and sedimentological composition of collection points, and statistical analysis of results collected at each point. Composition of the phytobenthic flora of the study area was predominantly tropical, being collected and identified 66 taxa of algae associated with rodolith, 17 Chlorophyta, 14 Heterokontophyta-class Phaeophyceae and 35 Rhodophyta. Bryopsiales (Chlorophyta), Dictyotales (Heterokontophyta) and Ceramiales (Rhodophyta) were the most representative orders. Four forms of growth of non-geniculate coralline algae were identified: warty, lumpy, encrusting and fruticose, and four types of rodoliths morphologies: spherical, cylindrical, laminar and discoid. Lithothamnion brasiliense Foslie and L. superpositum Foslie were identified as the main species forming the rhodoliths beds. The composition of the sedimentology was classified as sandy-gravelly biodetrical during the dry season, and gravel-sandy biodetrical during the rainy season. There were also differences in biomass values between the dry and rainy seasons, and the dry season possessed a higher biomass concentration than that observed in the rainy season. The results obtained for the values of Shannon diversity index (H ') and Pielou's evenness (J) corroborated the distinction observed between the dry and rainy season, thus revealing the existence of a pattern of seasonality in place. |
publishDate |
2012 |
dc.date.issued.fl_str_mv |
2012-03-09 |
dc.date.accessioned.fl_str_mv |
2020-04-22T22:47:05Z |
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.citation.fl_str_mv |
ALVES, G?rson Limoeiro. Fitobentos associados a bancos de rodolitos do Litoral Norte da Bahia: aspectos taxon?micos e ecol?gicos. 2012. 174 f. Disserta??o (Mestrado Acad?mico em Bot?nica)- Universidade Estadual de Feira de Santana, Feira de Santana, 2012. |
dc.identifier.uri.fl_str_mv |
http://tede2.uefs.br:8080/handle/tede/1044 |
identifier_str_mv |
ALVES, G?rson Limoeiro. Fitobentos associados a bancos de rodolitos do Litoral Norte da Bahia: aspectos taxon?micos e ecol?gicos. 2012. 174 f. Disserta??o (Mestrado Acad?mico em Bot?nica)- Universidade Estadual de Feira de Santana, Feira de Santana, 2012. |
url |
http://tede2.uefs.br:8080/handle/tede/1044 |
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por |
language |
por |
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1879976286454592048 |
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600 600 600 600 600 |
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7737708247419018223 -289993050269505198 |
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info:eu-repo/semantics/openAccess |
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openAccess |
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application/pdf |
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Universidade Estadual de Feira de Santana |
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Mestrado Acad?mico em Bot?nica |
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UEFS |
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Brasil |
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DEPARTAMENTO DE CI?NCIAS BIOL?GICAS |
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Universidade Estadual de Feira de Santana |
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