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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Riqueza e pambiogeografia de samambaias e licófitas da província da caatinga

Silvestre, Leandro Costa 14 February 2014 (has links)
Submitted by Jean Medeiros (jeanletras@uepb.edu.br) on 2016-02-25T17:40:34Z No. of bitstreams: 2 license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5) PDF - Leandro Costa Silvestre.pdf: 4147656 bytes, checksum: c1a3dbb5d62eb80ee9feb7bd604e81bb (MD5) / Approved for entry into archive by Secta BC (secta.csu.bc@uepb.edu.br) on 2016-03-10T15:13:15Z (GMT) No. of bitstreams: 2 license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5) PDF - Leandro Costa Silvestre.pdf: 4147656 bytes, checksum: c1a3dbb5d62eb80ee9feb7bd604e81bb (MD5) / Made available in DSpace on 2016-03-10T15:13:15Z (GMT). No. of bitstreams: 2 license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5) PDF - Leandro Costa Silvestre.pdf: 4147656 bytes, checksum: c1a3dbb5d62eb80ee9feb7bd604e81bb (MD5) Previous issue date: 2014-02-14 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES / Ferns and Lycophyta species that occur in the Caatinga Province were recorded and their biogeographical relations established using a Pambiogeographic analysis. The study aimed to conduct an analysis of the Panbiogeography of ferns and lycophytes species inventoried for the Province of Caatinga, evaluating their global distribution, as well as the explanation of this distribution based on the plant geography of South America and biogeographic processes. 52 species of ferns and five of lycophytes were recorded. The most represented genera in the neotropics were Anemia Sw (10 spp.), Adiantum L (2 spp.), Doryopteris J. Sm. (2 spp.), Sticherus C. Presl (2.spp.). About the species restricted to Brazil, only Anemia dardanoi Brade was verified as endemic to the Caatinga Province. Pambiogeographic analysis allowed the recognition of 54 individual tracks and 17 generalized tracks. The analyzes also showed 10 pambiogeographics nodes delimited to Neotropical region. The ferns and Lycophyta distribution occurrent in the Caatinga Province was mainly on seasonally dry tropical forests and Neotropical savannas in the Americas, indicating a continues distribution on these areas. / As espécies de samambaias e Lycophyta que ocorrem na Província da Caatinga foram registradas e suas relações biogeográficas estabelecidas empregando uma análise Pambiogeográfica. O estudo visou realizar uma análise de Pambiogeografia das espécies de samambaias e licófitas inventariadas para a Província da Caatinga avaliando a sua distribuição global, bem como a explicação dessa distribuição com base na fitogeografia da América do Sul e processos biogeográficos. Foram registradas 52 espécies de samambaias e cinco licófitas. Os gêneros com maior representatividade na região neotropical foram Anemia Sw (10 spp.), Adiantum L (2 spp.), Doryopteris J. Sm. (2 spp.), Sticherus C. Presl (2.spp.). Das espécies restritas ao Brasil apenas Anemia dardanoi Brade foi constatada como endêmica da Província da Caatinga. A análise de Pambiogeografia permitiu o reconhecimento de 54 traços individuais e 17 traços generalizados. As análises também registraram 10 nós pambiogeográficos delimitados a região neotropical. A distribuição das samambaias e Lycophyta ocorrentes na Província da Caatinga deu-se principalmente sobre as florestas tropicais sazonalmente secas e savanas neotropicais nas Américas, indicando uma distribuição continua sobre estas áreas.

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