Nós precisamos de mais espécies de tetrápodas?
Autor(a) principal: | |
---|---|
Data de Publicação: | 2014 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Repositório Institucional da UFG |
Texto Completo: | http://repositorio.bc.ufg.br/tede/handle/tede/8916 |
Resumo: | We have been describing species for a long time and we have been asking about how many of them are left on the Earth. Species are evolutionary lineages and the answer to that question maybe is not in richness estimates, but in how much of the evolutionary tree was already described. Here, we studied how richness and phylogenetic diversity have been accumulated in Tetrapods and how those metrics differ from each other. We also tested if there were biases for particular clades in species describing process, it would mean non-random description along the phylogeny. We found Amphibia and Squamata have ascendant curves for both metrics, Mammals are beginning its stabilization and Birds are stabilizing for about 60 years. Nonetheless, phylogenetic diversity trends to stabilize firstly than richness, due to the convex relationship between them. We also founde that description has been at random about clades. Thus, more efforts are necessary to improve our phylogenetic resolution of Amphibia, Squamata and Mammals. Once we have an ample sample size in Birds and a random sample along phylogeny, we need to resolve Darwinian and Wallacean shortfalls, taking into consideration the phylogenetic relationship among species, the evolutionary model of their traits and where those species occur. Understanding species as lineages permits us to stabilize early the number of species and to infer which species could have been extinct before description, such as what would be their impacts in conservation, community ecology and ecosystem function. |
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Silva, Daniel de Brito Cândido dahttp://lattes.cnpq.br/5139765780779893Silva, Daniel Cândido Brito daBianchi, Carlos Abs da CruzMaciel, Natan Medeiroshttp://lattes.cnpq.br/6537020596919365Jardim, Lucas Lacerda Caldas Zanini2018-09-26T11:42:18Z2014-03-28JARDIM, L. L. C. Z. Nós precisamos de mais espécies de tetrápodas? 2014. 27 f. Dissertação (Mestrado em Ecologia e Evolução) - Universidade Federal de Goiás, Goiânia, 2014.http://repositorio.bc.ufg.br/tede/handle/tede/8916We have been describing species for a long time and we have been asking about how many of them are left on the Earth. Species are evolutionary lineages and the answer to that question maybe is not in richness estimates, but in how much of the evolutionary tree was already described. Here, we studied how richness and phylogenetic diversity have been accumulated in Tetrapods and how those metrics differ from each other. We also tested if there were biases for particular clades in species describing process, it would mean non-random description along the phylogeny. We found Amphibia and Squamata have ascendant curves for both metrics, Mammals are beginning its stabilization and Birds are stabilizing for about 60 years. Nonetheless, phylogenetic diversity trends to stabilize firstly than richness, due to the convex relationship between them. We also founde that description has been at random about clades. Thus, more efforts are necessary to improve our phylogenetic resolution of Amphibia, Squamata and Mammals. Once we have an ample sample size in Birds and a random sample along phylogeny, we need to resolve Darwinian and Wallacean shortfalls, taking into consideration the phylogenetic relationship among species, the evolutionary model of their traits and where those species occur. Understanding species as lineages permits us to stabilize early the number of species and to infer which species could have been extinct before description, such as what would be their impacts in conservation, community ecology and ecosystem function.Nós temos descrito espécies há muito tempo e nos perguntamos sobre quantas delas existem na Terra. Espécies são linhagens evolutivas e a resposta à essa pergunta talvez não esteja na estimativa de riqueza, mas em quanto da árvore evolutiva já foi descrita. Aqui nós estudamos como tem sido o acúmulo de riqueza e diversidade filogenética desde 1758 nos Tetrápodas e como essas duas métricas se diferem. Também testamos se havia vieses para descrições de espécies em determinados clados, indicando descrição não aleatória na filogenia. Nós encontramos que Anfíbios e Squamata possuem curvas ascendentes, Mamíferos estão começando a estabilizar e Aves estão estabilizando nos últimos 60 anos. No entanto, apesar de riqueza e diversidade filogenética serem correlacionadas, a segunda tende a estabilizar primeiro que riqueza, devido a relação convexa entre elas, parecida com as relações espécie-área. Nós também encontramos que o processo de amostragem (descrição) ao longo da filogenia tem sido aleatório. Assim, mais esforços são necessários para melhorarmos nossa resolução filogenética de Anfíbio, Squamata e Mamíferos. Já Aves, uma vez que temos grande tamanho amostral necessitamos focar agora nas suas lacunas Darwinianas e Wallaceanas, resolvendo as incerteza sobre a relação de parentesco entre as espécies, quais são os modelos evolutivos que explicam a evolução de suas características e onde essas espécies ocorrem. Entender espécies como linhagens permite-nos estabilizar o número de espécies mais cedo e inclusive inferir quais espécies poderiam ter sido extintas antes de descritas e quais seriam seus impactos em conservação, ecologia de comunidades e funcionamento de ecossistemas.Submitted by Luciana Ferreira (lucgeral@gmail.com) on 2018-09-25T12:11:34Z No. of bitstreams: 2 Dissertação - Lucas Lacerda Caldas Zanini Jardim - 2014.pdf: 1922668 bytes, checksum: 8ba35cacc2f1d99252124085bf81a549 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)Approved for entry into archive by Luciana Ferreira (lucgeral@gmail.com) on 2018-09-26T11:42:18Z (GMT) No. of bitstreams: 2 Dissertação - Lucas Lacerda Caldas Zanini Jardim - 2014.pdf: 1922668 bytes, checksum: 8ba35cacc2f1d99252124085bf81a549 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)Made available in DSpace on 2018-09-26T11:42:18Z (GMT). No. of bitstreams: 2 Dissertação - Lucas Lacerda Caldas Zanini Jardim - 2014.pdf: 1922668 bytes, checksum: 8ba35cacc2f1d99252124085bf81a549 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Previous issue date: 2014-03-28Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPESapplication/pdfporUniversidade Federal de GoiásPrograma de Pós-graduação em Ecologia e Evolução (ICB)UFGBrasilInstituto de Ciências Biológicas - ICB (RG)http://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessDiversidade filogenéticaRiquezaFilogeniaConhecimento da biodiversidadePhylogenetic diversityRichnessPphylogenyBiodiversity knowledgeCIENCIAS BIOLOGICAS::ECOLOGIANós precisamos de mais espécies de tetrápodas?Do we need more tetrapod species?info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesis-5361682850774351271600600600600-387277211782737340432634996052953650022075167498588264571reponame:Repositório Institucional da UFGinstname:Universidade Federal de Goiás (UFG)instacron:UFGLICENSElicense.txtlicense.txttext/plain; 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dc.title.eng.fl_str_mv |
Nós precisamos de mais espécies de tetrápodas? |
dc.title.alternative.eng.fl_str_mv |
Do we need more tetrapod species? |
title |
Nós precisamos de mais espécies de tetrápodas? |
spellingShingle |
Nós precisamos de mais espécies de tetrápodas? Jardim, Lucas Lacerda Caldas Zanini Diversidade filogenética Riqueza Filogenia Conhecimento da biodiversidade Phylogenetic diversity Richness Pphylogeny Biodiversity knowledge CIENCIAS BIOLOGICAS::ECOLOGIA |
title_short |
Nós precisamos de mais espécies de tetrápodas? |
title_full |
Nós precisamos de mais espécies de tetrápodas? |
title_fullStr |
Nós precisamos de mais espécies de tetrápodas? |
title_full_unstemmed |
Nós precisamos de mais espécies de tetrápodas? |
title_sort |
Nós precisamos de mais espécies de tetrápodas? |
author |
Jardim, Lucas Lacerda Caldas Zanini |
author_facet |
Jardim, Lucas Lacerda Caldas Zanini |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Silva, Daniel de Brito Cândido da |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/5139765780779893 |
dc.contributor.referee1.fl_str_mv |
Silva, Daniel Cândido Brito da |
dc.contributor.referee2.fl_str_mv |
Bianchi, Carlos Abs da Cruz |
dc.contributor.referee3.fl_str_mv |
Maciel, Natan Medeiros |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/6537020596919365 |
dc.contributor.author.fl_str_mv |
Jardim, Lucas Lacerda Caldas Zanini |
contributor_str_mv |
Silva, Daniel de Brito Cândido da Silva, Daniel Cândido Brito da Bianchi, Carlos Abs da Cruz Maciel, Natan Medeiros |
dc.subject.por.fl_str_mv |
Diversidade filogenética Riqueza Filogenia Conhecimento da biodiversidade |
topic |
Diversidade filogenética Riqueza Filogenia Conhecimento da biodiversidade Phylogenetic diversity Richness Pphylogeny Biodiversity knowledge CIENCIAS BIOLOGICAS::ECOLOGIA |
dc.subject.eng.fl_str_mv |
Phylogenetic diversity Richness Pphylogeny Biodiversity knowledge |
dc.subject.cnpq.fl_str_mv |
CIENCIAS BIOLOGICAS::ECOLOGIA |
description |
We have been describing species for a long time and we have been asking about how many of them are left on the Earth. Species are evolutionary lineages and the answer to that question maybe is not in richness estimates, but in how much of the evolutionary tree was already described. Here, we studied how richness and phylogenetic diversity have been accumulated in Tetrapods and how those metrics differ from each other. We also tested if there were biases for particular clades in species describing process, it would mean non-random description along the phylogeny. We found Amphibia and Squamata have ascendant curves for both metrics, Mammals are beginning its stabilization and Birds are stabilizing for about 60 years. Nonetheless, phylogenetic diversity trends to stabilize firstly than richness, due to the convex relationship between them. We also founde that description has been at random about clades. Thus, more efforts are necessary to improve our phylogenetic resolution of Amphibia, Squamata and Mammals. Once we have an ample sample size in Birds and a random sample along phylogeny, we need to resolve Darwinian and Wallacean shortfalls, taking into consideration the phylogenetic relationship among species, the evolutionary model of their traits and where those species occur. Understanding species as lineages permits us to stabilize early the number of species and to infer which species could have been extinct before description, such as what would be their impacts in conservation, community ecology and ecosystem function. |
publishDate |
2014 |
dc.date.issued.fl_str_mv |
2014-03-28 |
dc.date.accessioned.fl_str_mv |
2018-09-26T11:42:18Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
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dc.identifier.citation.fl_str_mv |
JARDIM, L. L. C. Z. Nós precisamos de mais espécies de tetrápodas? 2014. 27 f. Dissertação (Mestrado em Ecologia e Evolução) - Universidade Federal de Goiás, Goiânia, 2014. |
dc.identifier.uri.fl_str_mv |
http://repositorio.bc.ufg.br/tede/handle/tede/8916 |
identifier_str_mv |
JARDIM, L. L. C. Z. Nós precisamos de mais espécies de tetrápodas? 2014. 27 f. Dissertação (Mestrado em Ecologia e Evolução) - Universidade Federal de Goiás, Goiânia, 2014. |
url |
http://repositorio.bc.ufg.br/tede/handle/tede/8916 |
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