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1. Identificação
Tipo de ReferênciaArtigo em Revista Científica (Journal Article)
Sitemtc-m21c.sid.inpe.br
Código do Detentorisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identificador8JMKD3MGP3W34R/43F85Q5
Repositóriosid.inpe.br/mtc-m21c/2020/10.23.12.05
Última Atualização2020:10.23.12.05.46 (UTC) simone
Repositório de Metadadossid.inpe.br/mtc-m21c/2020/10.23.12.05.46
Última Atualização dos Metadados2022:01.04.01.35.29 (UTC) administrator
DOI10.5194/bg-17-4313-2020
ISSN1726-4170
Chave de CitaçãoLesaMJVRBAK:2020:DeHiCo
TítuloDistribution of planktonic foraminifera in the subtropical South Atlantic: depth hierarchy of controlling factors
Ano2020
MêsAug.
Data de Acesso18 maio 2024
Tipo de Trabalhojournal article
Tipo SecundárioPRE PI
Número de Arquivos1
Tamanho24286 KiB
2. Contextualização
Autor1 Lesa, Douglas
2 Morard, Raphaël
3 Jonkers, Lukas
4 Venâncio, Igor Martins
5 Reuter, Runa
6 Baumeister, Adrian
7 Albuquerque, Ana Luiza
8 Kucera, Michal
Grupo1
2
3
4 CGCPT-CGCPT-INPE-MCTIC-GOV-BR
Afiliação1 University of Bremen
2 University of Bremen
3 University of Bremen
4 Instituto Nacional de Pesquisas Espaciais (INPE)
5 University of Bremen
6 University of Bremen
7 Universidade Federal Fluminense (UFF)
8 University of Bremen
Endereço de e-Mail do Autor1 dvolessa@id.uff.br
2
3
4 igor.venancio@inpe.br
RevistaBiogeosciences
Volume17
Número16
Páginas4313-4342
Nota SecundáriaA1_INTERDISCIPLINAR A1_GEOCIÊNCIAS A1_CIÊNCIAS_AMBIENTAIS A1_CIÊNCIAS_AGRÁRIAS_I A1_BIODIVERSIDADE A2_CIÊNCIAS_BIOLÓGICAS_I B1_ASTRONOMIA_/_FÍSICA
Histórico (UTC)2020-10-23 12:05:46 :: simone -> administrator ::
2020-10-23 12:05:47 :: administrator -> simone :: 2020
2020-10-23 12:06:28 :: simone -> administrator :: 2020
2020-10-27 15:35:03 :: administrator -> simone :: 2020
2020-12-14 14:59:00 :: simone -> administrator :: 2020
2022-01-04 01:35:29 :: administrator -> simone :: 2020
3. Conteúdo e estrutura
É a matriz ou uma cópia?é a matriz
Estágio do Conteúdoconcluido
Transferível1
Tipo do ConteúdoExternal Contribution
Tipo de Versãopublisher
Resumo. Temperature appears to be the best predictor of species composition of planktonic foraminifera communities, making it possible to use their fossil assemblages to reconstruct sea surface temperature (SST) variation in the past. However, the role of other environmental factors potentially modulating the spatial and vertical distribution of planktonic foraminifera species is poorly understood. This is especially relevant for environmental factors affecting the subsurface habitat. If such factors play a role, changes in the abundance of subsurface-dwelling species may not solely reflect SST variation. In order to constrain the effect of subsurface parameters on species composition, we here characterize the vertical distribution of living planktonic foraminifera community across an eastwest transect through the subtropical South Atlantic Ocean, where SST variability was small, but the subsurface water mass structure changed dramatically. Four planktonic foraminifera communities could be identified across the top 700 m of the transect. Gyre and Agulhas Leakage surface faunas were predominantly composed of Globigerinoides ruber, Globigerinoides tenellus, Trilobatus sacculifer, Globoturborotalita rubescens, Globigerinella calida, Tenuitella iota, and Globigerinita glutinata, and these only differed in terms of relative abundances (community composition). Upwelling fauna was dominated by Neogloboquadrina pachyderma, Neogloboquadrina incompta, Globorotalia crassaformis, and Globorotalia inflata. Thermocline fauna was dominated by Tenuitella fleisheri, Globorotalia truncatulinoides, and Globorotalia scitula in the west and by G. scitula only in the east. The largest part of the standing stock was consistently found in the surface layer, but SST was not the main predictor of species composition either for the depth-integrated fauna across the stations or at individual depth layers. Instead, we identified a pattern of vertical stacking of different parameters controlling species composition, reflecting different aspects of the pelagic habitat. Whereas productivity appears to dominate in the mixed layer (060 m), physical properties (temperature, salinity) become important at intermediate depths and in the subsurface, a complex combination of factors including oxygen concentration is required to explain the assemblage composition. These results indicate that the seemingly straightforward relationship between assemblage composition and SST in sedimentary assemblages reflects vertically and seasonally integrated processes that are only indirectly linked to SST. It also implies that fossil assemblages of planktonic foraminifera should also contain a signature of subsurface processes, which could be used for paleoceanographic reconstructions.
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4. Condições de acesso e uso
URL dos dadoshttp://mtc-m21c.sid.inpe.br/ibi/8JMKD3MGP3W34R/43F85Q5
URL dos dados zipadoshttp://mtc-m21c.sid.inpe.br/zip/8JMKD3MGP3W34R/43F85Q5
Idiomaen
Arquivo Alvolessa_distribution.pdf
Grupo de Usuáriossimone
Grupo de Leitoresadministrator
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Visibilidadeshown
Política de Arquivamentoallowpublisher allowfinaldraft
Permissão de Atualizaçãonão transferida
5. Fontes relacionadas
Unidades Imediatamente Superiores8JMKD3MGPCW/3EUPEJL
Lista de Itens Citandosid.inpe.br/bibdigital/2013/10.06.18.03 4
DivulgaçãoWEBSCI; PORTALCAPES; SCOPUS.
Acervo Hospedeirourlib.net/www/2017/11.22.19.04
6. Notas
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