Taxonomia, distribuição geográfica e filogenia do gênero Codium Stackhouse (Bryopsidales-Chlorophyta) no litoral brasileiro

Detalhes bibliográficos
Autor(a) principal: CARVALHO, Maria de Fátima de Oliveira
Data de Publicação: 2008
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/tede2/4905
Resumo: Codium Stackhouse is a genus exclusively marine which is represented by 125 taxa and it is distributed in the seas of almost the whole world, except for the polar regions. The highest infrageneric diversity is found in the temperate and subtropical zone seas. In Brazil, there are few informations about the genus, and the majority of the studies deals with floristic surveys from many localities, with just few publications. The aim of this work is to present the survey of this genus with emphasis to its taxonomy and the distribution of its representatives. The morphological studies were based in material collected from many Brazilian states (PB, PE, BA, ES, RJ, SP, SC and RS), in the intertidal region, during the low tides, with the help of spatulas and when necessary through diving in the reef ponds. The specimens were preserved with formalin (4%). For a better comprehension of the phenotypical variations and aiming to contemplate a number of samples as high as possible in the Brazilian states, the material of Codium was studied in the following indexed national herbaria: JPB, PEUFR, ALCB, HUEFS, RB, R, HB, RFA, SP, SPF and FLOR. They were also analyzed the exsiccates of the specimens collected by the Almirante Saldanha, Canopus and Recife Commission oceanographic expeditions. Besides, wereanalyzed as exsiccates of Codium from Brazil deposited in the Herbarium of the University of California, Berkeley (UC). All the exsiccates were carefully analyzed and confirmed and/or corrected as for the identifications. The identification of the taxa was based in morphological characters (habit, ramification pattern and the dimensions of the stalks), anatomical (diameter of the medular filaments, morphology and dimensions of the utricula and disposition of the hairs or scars) and reproductive (morphology, dimentions and insertions of the gametangia). In the Brazilian coast, it was registered the occurrence of seven infrageneric taxa, distributed in the following sections: Adhaerentia (C. Intertextum), Spongiosa (C. spongiosum), Tomentosa (C. isthmocladum, C. repens and Codium sp.) and Elongata (C. decorticatum and C. taylorii). From this work, C. tomentosum is considered as a doubtful species to the Brazilian littoral and C. profundum as “nome nudum” and because of this, cited as Codium sp. As for the great morphological plasticity the species C. decorticatum, C. isthmocladum and C. taylorii were those which showed the greatest difficulties in the taxonomical identification. Three species of straight habit as C. isthmocladum, C.decorticatum and C. taylorii and prostrate habit C. intertextum were those which presented the highest distribution in the Brazilian coast. Through the present study,some species had their geographical distribution increased to the Brazilian coast, as C. decorticatum (Ceará, Paraíba and Alagoas); C. intertextum (Alagoas), C. isthmocladum (Alagoas, Sergipe and Paraná) and C. taylorii (Ceará, Paraíba, Alagoas and Paraná). Besides the taxonomy based in morphological and reproductive characters the DNA sequencing was performed aiming the comprehension of the polymorphism found in some species. In the moment, the DNA sequencing is the most powerful technique to detecting the polymorphism in the genotype and it has been very used in comparing the different taxonomical levels. Sequences of the first exon of the large subunity RUBISCO (rbcL) has been used in the molecular delimitation and phylogeny of the species. To the present study, samplings were obtained from Codium in many localities of Brazil (PB, PE, BA, RJ, SP and SC), besides Fernando de Noronha Islands. The extraction process, amplification, sequencing and analysis of data were performed in the University of São Paulo (USP) in the laboratory of Marine Algae Edson J. de Paula (LAM). In this study, the sequences for the exon 1 of the gene rbcL were obtained from 24samplings of six species found in the Brazilian coast: C. decorticatum, C. intertextum, C. isthmocladum, C. spongiosum, C. taylorii and C. repens. The exon 1 of the rbcL showed 788 pairs of the base for all samplings. From the 24 sequenced samplings, ten unique sequences were obtained, which were phylogenetically analyzed with other sequences from GenBank, using different methods of inferences. The resulting trees were similar and they showed three principal monophyletic groupings. The grouping A, composed by non-ramificated prostrated habit species and in the majority with grouped and small utricules; the grouping B, consisting in the great majority, species with erect habit, cylindrical stalk, with individual utricules with intermidiary sizes. The Brazilian species group with similar from other geographical localities and they are between the main monophyletic groupings. These results indicate that the colonization of the South American Atlantic occurred many times possibly of species which came from Indo-Pacific.
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spelling PEREIRA, Sônia Maria BarretoOLIVEIRA, Mariana Cabral dePEDROCHE, José Francisco FloresMOURA, Ariadne do NascimentoLEÇA, Enide EskinaziBARROS, Iva Carneiro LeãoGESTINARI, Lísia Mônica de SouzaPEDROSA, Maria Elizabeth Bandeirahttp://lattes.cnpq.br/7226218776712446CARVALHO, Maria de Fátima de Oliveira2016-06-29T16:13:32Z2008-02-20OLIVEIRA-CARVALHO, Maria de Fátima de. Taxonomia, distribuição geográfica e filogenia do gênero Codium Stackhouse (Bryopsidales-Chlorophyta) no litoral brasileiro. 2008.131 f. Tese (Programa de Pós-Graduação em Botânica) - Universidade Federal Rural de Pernambuco, Recife.http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/4905Codium Stackhouse is a genus exclusively marine which is represented by 125 taxa and it is distributed in the seas of almost the whole world, except for the polar regions. The highest infrageneric diversity is found in the temperate and subtropical zone seas. In Brazil, there are few informations about the genus, and the majority of the studies deals with floristic surveys from many localities, with just few publications. The aim of this work is to present the survey of this genus with emphasis to its taxonomy and the distribution of its representatives. The morphological studies were based in material collected from many Brazilian states (PB, PE, BA, ES, RJ, SP, SC and RS), in the intertidal region, during the low tides, with the help of spatulas and when necessary through diving in the reef ponds. The specimens were preserved with formalin (4%). For a better comprehension of the phenotypical variations and aiming to contemplate a number of samples as high as possible in the Brazilian states, the material of Codium was studied in the following indexed national herbaria: JPB, PEUFR, ALCB, HUEFS, RB, R, HB, RFA, SP, SPF and FLOR. They were also analyzed the exsiccates of the specimens collected by the Almirante Saldanha, Canopus and Recife Commission oceanographic expeditions. Besides, wereanalyzed as exsiccates of Codium from Brazil deposited in the Herbarium of the University of California, Berkeley (UC). All the exsiccates were carefully analyzed and confirmed and/or corrected as for the identifications. The identification of the taxa was based in morphological characters (habit, ramification pattern and the dimensions of the stalks), anatomical (diameter of the medular filaments, morphology and dimensions of the utricula and disposition of the hairs or scars) and reproductive (morphology, dimentions and insertions of the gametangia). In the Brazilian coast, it was registered the occurrence of seven infrageneric taxa, distributed in the following sections: Adhaerentia (C. Intertextum), Spongiosa (C. spongiosum), Tomentosa (C. isthmocladum, C. repens and Codium sp.) and Elongata (C. decorticatum and C. taylorii). From this work, C. tomentosum is considered as a doubtful species to the Brazilian littoral and C. profundum as “nome nudum” and because of this, cited as Codium sp. As for the great morphological plasticity the species C. decorticatum, C. isthmocladum and C. taylorii were those which showed the greatest difficulties in the taxonomical identification. Three species of straight habit as C. isthmocladum, C.decorticatum and C. taylorii and prostrate habit C. intertextum were those which presented the highest distribution in the Brazilian coast. Through the present study,some species had their geographical distribution increased to the Brazilian coast, as C. decorticatum (Ceará, Paraíba and Alagoas); C. intertextum (Alagoas), C. isthmocladum (Alagoas, Sergipe and Paraná) and C. taylorii (Ceará, Paraíba, Alagoas and Paraná). Besides the taxonomy based in morphological and reproductive characters the DNA sequencing was performed aiming the comprehension of the polymorphism found in some species. In the moment, the DNA sequencing is the most powerful technique to detecting the polymorphism in the genotype and it has been very used in comparing the different taxonomical levels. Sequences of the first exon of the large subunity RUBISCO (rbcL) has been used in the molecular delimitation and phylogeny of the species. To the present study, samplings were obtained from Codium in many localities of Brazil (PB, PE, BA, RJ, SP and SC), besides Fernando de Noronha Islands. The extraction process, amplification, sequencing and analysis of data were performed in the University of São Paulo (USP) in the laboratory of Marine Algae Edson J. de Paula (LAM). In this study, the sequences for the exon 1 of the gene rbcL were obtained from 24samplings of six species found in the Brazilian coast: C. decorticatum, C. intertextum, C. isthmocladum, C. spongiosum, C. taylorii and C. repens. The exon 1 of the rbcL showed 788 pairs of the base for all samplings. From the 24 sequenced samplings, ten unique sequences were obtained, which were phylogenetically analyzed with other sequences from GenBank, using different methods of inferences. The resulting trees were similar and they showed three principal monophyletic groupings. The grouping A, composed by non-ramificated prostrated habit species and in the majority with grouped and small utricules; the grouping B, consisting in the great majority, species with erect habit, cylindrical stalk, with individual utricules with intermidiary sizes. The Brazilian species group with similar from other geographical localities and they are between the main monophyletic groupings. These results indicate that the colonization of the South American Atlantic occurred many times possibly of species which came from Indo-Pacific.Codium Stackhouse é um gênero exclusivamente marinho, engloba 125 táxons e encontra-se distribuído nos mares de quase todo o mundo, com exceção para as regiões polares. A maior diversidade infragenérica encontra-se nos mares da zona temperada e subtropical. No Brasil, são poucas as informações sobre o gênero, sendo que a maioria dos estudos refere-se a levantamentos florísticos de diversas localidades, se restringindo a um pequeno número de publicações. O objetivo deste trabalho é apresentar o levantamento do referido gênero no litoral brasileiro com ênfase na taxonomia e distribuição de seus representantes. Os estudos morfo-anatômicos foram baseados em material coletado em diversos estados brasileiros (PB, PE, BA, ES, RJ, SP, SC e RS), na região entre-marés, durante as baixas marés, com auxílio de espátulas, e quando necessário, através de mergulhos livres nas poças recifais. Os exemplares foram conservados em solução de formaldeído a 4%. Para uma melhor compreensão das variações fenotípicas e visando contemplar um maior número possível de amostras nos estados brasileiros, foi consultado o material de Codium depositado nos seguintes herbários nacionais indexados: JPB, PEUFR, ALCB, HUEFS, RB, R, HB, RFA, SP, SPF e FLOR. Também foram analisadas as exsicatas dos exemplares coletados pelas expedições oceanográficasAlmirante Saldanha, Akaroa, Canopus e Comissão Recife. Além disso, foram analisadas as exsicatas de Codium procedentes do Brasil depositadas no Herbário da Universidade da Califórnia, Berkeley (UC). Todas as exsicatas foram cuidadosamente analisadas, se procedendo à confirmação e/ou correção das identificações. A identificação dos táxons foi baseada em caracteres morfológicos (hábito, padrão de ramificação e dimensões dos ramos), anatômicos (diâmetro dos filamentos medulares, morfologia e dimensões dos utrículos e disposição de pêlos ou cicatrizes) e reprodutivos (morfologia, dimensões e inserção dos gametângios). Na costa brasileira, foi registrada a ocorrência de sete táxons infragenéricos, distribuídos nas seguintes seções: Adhaerentia (C. intertextum), Spongiosa (C. spongiosum), Tomentosa (C. isthmocladum, C. repens e Codium sp.) e Elongata (C. decorticatum e C. taylorii). C. tomentosum está sendo considerada como espécie duvidosa para o litoral brasileiro e C. profundum como “nome nudum” e, por isto, citada como Codium sp. Devido à marcada plasticidade morfológica, as espécies C. decorticatum, C. isthmocladum e C. taylorii foram as que apresentaram maioresdificuldades na identificação taxonômica. Três espécies de hábito ereto como C. isthmocladum, C. decorticatum e C. taylorii e a de hábito prostrado C. intertextumforam as que apresentaram maior distribuição na costa brasileira. Algumas espécies tiveram sua distribuição geográfica ampliada para a costa brasileira, como C. decorticatum (Ceará, Paraíba e Alagoas); C. intertextum (Alagoas), C. isthmocladum (Alagoas, Sergipe e Paraná) e C. taylorii (Ceará, Paraíba, Alagoas e Paraná). Além da taxonomia baseada em caracteres morfológicos e reprodutivos foi feito o sequenciamento de DNA visando entender melhor o polimorfismo encontrado em algumas espécies. No momento, o sequenciamento de DNA é a técnica mais poderosa para detectar polimorfismo no genótipo e tem sido bastante utilizada na comparação de diferentes níveis taxonômicos. Seqüências do primeiro éxon da grande subunidade RUBISCO (rbcL) têm sido usadas na delimitação molecular e filogenia de espécies. Para o presente estudo, foram obtidas amostras de Codium em diversas localidades do Brasil (PB, PE, BA, RJ, SP e SC), além do Arquipélago de Fernando de Noronha. As amostras foram preservadas em álcool a 70% e sílica gel. O processo de extração, amplificação, sequenciamento e análise dos dados foram realizados na Universidade de São Paulo (USP) no laboratório de AlgasMarinhas Edson J. de Paula (LAM). Neste estudo, as seqüências para o éxon 1 do gene rbcL foram obtidas de 24 amostras de seis espécies ocorrentes na costa brasileira: C. decorticatum, C. intertextum, C. isthmocladum, C. spongiosum, C. taylorii e C. repens. O éxon 1 do rbcL apresentou 788 pares de base para todas as amostras. Das 24 amostras seqüenciadas, dez seqüências únicas foram obtidas, as quais foram filogeneticamente analisadas com outras seqüências do GenBank, usando diferentes métodos de inferências. As árvores resultantes foram similares, apresentando três principais agrupamentos monofiléticos. O agrupamento a, composto por espécies de hábito prostrado, não ramificado e na maioria com utrículos agrupados e pequenos; o agrupamento b, consistindo na sua maioria, espécies de hábito ereto, ramo cilíndrico, com utrículos grandes individuais e finalmente o agrupamento c composto por espécies de hábito ereto, ramo cilíndrico a levemente achatado, utrículos individuais, com tamanhos intermediários. As espécies brasileiras agruparam com similares de outras localidades geográficas e aparecem entre os principais agrupamentos monofiléticos. Estes resultados indicamque a colonização do Atlântico sul americano ocorreu muitas vezes, possivelmente de espécies provenientes do Indo-Pacífico.Submitted by (edna.saturno@ufrpe.br) on 2016-06-29T16:13:32Z No. of bitstreams: 1 Maria de Fatima de Oliveira de Carvalho.pdf: 1750177 bytes, checksum: 434251d1fa8e44554548cb4f8c1ee5cd (MD5)Made available in DSpace on 2016-06-29T16:13:32Z (GMT). No. of bitstreams: 1 Maria de Fatima de Oliveira de Carvalho.pdf: 1750177 bytes, checksum: 434251d1fa8e44554548cb4f8c1ee5cd (MD5) Previous issue date: 2008-02-20Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPESapplication/pdfporUniversidade Federal Rural de PernambucoPrograma de Pós-Graduação em BotânicaUFRPEBrasilDepartamento de BiologiaTaxonomiaCloroficeaCodiaceaeFilogenia molecularChlorophyceaeCodiaceaeMorphologyTaxonomyCIENCIAS BIOLOGICAS::BOTANICATaxonomia, distribuição geográfica e filogenia do gênero Codium Stackhouse (Bryopsidales-Chlorophyta) no litoral brasileiroinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/doctoralThesis-8877188098239082220600600600600-2696744535589096700-34061478924143075012075167498588264571info:eu-repo/semantics/openAccessreponame:Biblioteca Digital de Teses e Dissertações da UFRPEinstname:Universidade Federal Rural de Pernambuco (UFRPE)instacron:UFRPELICENSElicense.txtlicense.txttext/plain; charset=utf-82165http://www.tede2.ufrpe.br:8080/tede2/bitstream/tede2/4905/1/license.txtbd3efa91386c1718a7f26a329fdcb468MD51ORIGINALMaria de Fatima de Oliveira de Carvalho.pdfMaria de Fatima de Oliveira de Carvalho.pdfapplication/pdf1750177http://www.tede2.ufrpe.br:8080/tede2/bitstream/tede2/4905/2/Maria+de+Fatima+de+Oliveira+de+Carvalho.pdf434251d1fa8e44554548cb4f8c1ee5cdMD52tede2/49052024-02-23 16:39:11.659oai: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:2024-05-28T12:32:21.036114Biblioteca Digital de Teses e Dissertações da UFRPE - Universidade Federal Rural de Pernambuco (UFRPE)false
dc.title.por.fl_str_mv Taxonomia, distribuição geográfica e filogenia do gênero Codium Stackhouse (Bryopsidales-Chlorophyta) no litoral brasileiro
title Taxonomia, distribuição geográfica e filogenia do gênero Codium Stackhouse (Bryopsidales-Chlorophyta) no litoral brasileiro
spellingShingle Taxonomia, distribuição geográfica e filogenia do gênero Codium Stackhouse (Bryopsidales-Chlorophyta) no litoral brasileiro
CARVALHO, Maria de Fátima de Oliveira
Taxonomia
Cloroficea
Codiaceae
Filogenia molecular
Chlorophyceae
Codiaceae
Morphology
Taxonomy
CIENCIAS BIOLOGICAS::BOTANICA
title_short Taxonomia, distribuição geográfica e filogenia do gênero Codium Stackhouse (Bryopsidales-Chlorophyta) no litoral brasileiro
title_full Taxonomia, distribuição geográfica e filogenia do gênero Codium Stackhouse (Bryopsidales-Chlorophyta) no litoral brasileiro
title_fullStr Taxonomia, distribuição geográfica e filogenia do gênero Codium Stackhouse (Bryopsidales-Chlorophyta) no litoral brasileiro
title_full_unstemmed Taxonomia, distribuição geográfica e filogenia do gênero Codium Stackhouse (Bryopsidales-Chlorophyta) no litoral brasileiro
title_sort Taxonomia, distribuição geográfica e filogenia do gênero Codium Stackhouse (Bryopsidales-Chlorophyta) no litoral brasileiro
author CARVALHO, Maria de Fátima de Oliveira
author_facet CARVALHO, Maria de Fátima de Oliveira
author_role author
dc.contributor.advisor1.fl_str_mv PEREIRA, Sônia Maria Barreto
dc.contributor.advisor-co1.fl_str_mv OLIVEIRA, Mariana Cabral de
dc.contributor.advisor-co2.fl_str_mv PEDROCHE, José Francisco Flores
dc.contributor.referee1.fl_str_mv MOURA, Ariadne do Nascimento
dc.contributor.referee2.fl_str_mv LEÇA, Enide Eskinazi
dc.contributor.referee3.fl_str_mv BARROS, Iva Carneiro Leão
dc.contributor.referee4.fl_str_mv GESTINARI, Lísia Mônica de Souza
dc.contributor.referee5.fl_str_mv PEDROSA, Maria Elizabeth Bandeira
dc.contributor.authorLattes.fl_str_mv http://lattes.cnpq.br/7226218776712446
dc.contributor.author.fl_str_mv CARVALHO, Maria de Fátima de Oliveira
contributor_str_mv PEREIRA, Sônia Maria Barreto
OLIVEIRA, Mariana Cabral de
PEDROCHE, José Francisco Flores
MOURA, Ariadne do Nascimento
LEÇA, Enide Eskinazi
BARROS, Iva Carneiro Leão
GESTINARI, Lísia Mônica de Souza
PEDROSA, Maria Elizabeth Bandeira
dc.subject.por.fl_str_mv Taxonomia
Cloroficea
Codiaceae
Filogenia molecular
Chlorophyceae
Codiaceae
topic Taxonomia
Cloroficea
Codiaceae
Filogenia molecular
Chlorophyceae
Codiaceae
Morphology
Taxonomy
CIENCIAS BIOLOGICAS::BOTANICA
dc.subject.eng.fl_str_mv Morphology
Taxonomy
dc.subject.cnpq.fl_str_mv CIENCIAS BIOLOGICAS::BOTANICA
description Codium Stackhouse is a genus exclusively marine which is represented by 125 taxa and it is distributed in the seas of almost the whole world, except for the polar regions. The highest infrageneric diversity is found in the temperate and subtropical zone seas. In Brazil, there are few informations about the genus, and the majority of the studies deals with floristic surveys from many localities, with just few publications. The aim of this work is to present the survey of this genus with emphasis to its taxonomy and the distribution of its representatives. The morphological studies were based in material collected from many Brazilian states (PB, PE, BA, ES, RJ, SP, SC and RS), in the intertidal region, during the low tides, with the help of spatulas and when necessary through diving in the reef ponds. The specimens were preserved with formalin (4%). For a better comprehension of the phenotypical variations and aiming to contemplate a number of samples as high as possible in the Brazilian states, the material of Codium was studied in the following indexed national herbaria: JPB, PEUFR, ALCB, HUEFS, RB, R, HB, RFA, SP, SPF and FLOR. They were also analyzed the exsiccates of the specimens collected by the Almirante Saldanha, Canopus and Recife Commission oceanographic expeditions. Besides, wereanalyzed as exsiccates of Codium from Brazil deposited in the Herbarium of the University of California, Berkeley (UC). All the exsiccates were carefully analyzed and confirmed and/or corrected as for the identifications. The identification of the taxa was based in morphological characters (habit, ramification pattern and the dimensions of the stalks), anatomical (diameter of the medular filaments, morphology and dimensions of the utricula and disposition of the hairs or scars) and reproductive (morphology, dimentions and insertions of the gametangia). In the Brazilian coast, it was registered the occurrence of seven infrageneric taxa, distributed in the following sections: Adhaerentia (C. Intertextum), Spongiosa (C. spongiosum), Tomentosa (C. isthmocladum, C. repens and Codium sp.) and Elongata (C. decorticatum and C. taylorii). From this work, C. tomentosum is considered as a doubtful species to the Brazilian littoral and C. profundum as “nome nudum” and because of this, cited as Codium sp. As for the great morphological plasticity the species C. decorticatum, C. isthmocladum and C. taylorii were those which showed the greatest difficulties in the taxonomical identification. Three species of straight habit as C. isthmocladum, C.decorticatum and C. taylorii and prostrate habit C. intertextum were those which presented the highest distribution in the Brazilian coast. Through the present study,some species had their geographical distribution increased to the Brazilian coast, as C. decorticatum (Ceará, Paraíba and Alagoas); C. intertextum (Alagoas), C. isthmocladum (Alagoas, Sergipe and Paraná) and C. taylorii (Ceará, Paraíba, Alagoas and Paraná). Besides the taxonomy based in morphological and reproductive characters the DNA sequencing was performed aiming the comprehension of the polymorphism found in some species. In the moment, the DNA sequencing is the most powerful technique to detecting the polymorphism in the genotype and it has been very used in comparing the different taxonomical levels. Sequences of the first exon of the large subunity RUBISCO (rbcL) has been used in the molecular delimitation and phylogeny of the species. To the present study, samplings were obtained from Codium in many localities of Brazil (PB, PE, BA, RJ, SP and SC), besides Fernando de Noronha Islands. The extraction process, amplification, sequencing and analysis of data were performed in the University of São Paulo (USP) in the laboratory of Marine Algae Edson J. de Paula (LAM). In this study, the sequences for the exon 1 of the gene rbcL were obtained from 24samplings of six species found in the Brazilian coast: C. decorticatum, C. intertextum, C. isthmocladum, C. spongiosum, C. taylorii and C. repens. The exon 1 of the rbcL showed 788 pairs of the base for all samplings. From the 24 sequenced samplings, ten unique sequences were obtained, which were phylogenetically analyzed with other sequences from GenBank, using different methods of inferences. The resulting trees were similar and they showed three principal monophyletic groupings. The grouping A, composed by non-ramificated prostrated habit species and in the majority with grouped and small utricules; the grouping B, consisting in the great majority, species with erect habit, cylindrical stalk, with individual utricules with intermidiary sizes. The Brazilian species group with similar from other geographical localities and they are between the main monophyletic groupings. These results indicate that the colonization of the South American Atlantic occurred many times possibly of species which came from Indo-Pacific.
publishDate 2008
dc.date.issued.fl_str_mv 2008-02-20
dc.date.accessioned.fl_str_mv 2016-06-29T16:13:32Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
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dc.identifier.citation.fl_str_mv OLIVEIRA-CARVALHO, Maria de Fátima de. Taxonomia, distribuição geográfica e filogenia do gênero Codium Stackhouse (Bryopsidales-Chlorophyta) no litoral brasileiro. 2008.131 f. Tese (Programa de Pós-Graduação em Botânica) - Universidade Federal Rural de Pernambuco, Recife.
dc.identifier.uri.fl_str_mv http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/4905
identifier_str_mv OLIVEIRA-CARVALHO, Maria de Fátima de. Taxonomia, distribuição geográfica e filogenia do gênero Codium Stackhouse (Bryopsidales-Chlorophyta) no litoral brasileiro. 2008.131 f. Tese (Programa de Pós-Graduação em Botânica) - Universidade Federal Rural de Pernambuco, Recife.
url http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/4905
dc.language.iso.fl_str_mv por
language por
dc.relation.program.fl_str_mv -8877188098239082220
dc.relation.confidence.fl_str_mv 600
600
600
600
dc.relation.department.fl_str_mv -2696744535589096700
dc.relation.cnpq.fl_str_mv -3406147892414307501
dc.relation.sponsorship.fl_str_mv 2075167498588264571
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
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dc.publisher.none.fl_str_mv Universidade Federal Rural de Pernambuco
dc.publisher.program.fl_str_mv Programa de Pós-Graduação em Botânica
dc.publisher.initials.fl_str_mv UFRPE
dc.publisher.country.fl_str_mv Brasil
dc.publisher.department.fl_str_mv Departamento de Biologia
publisher.none.fl_str_mv Universidade Federal Rural de Pernambuco
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