Horizontal and vertical distribution of mesozooplankton species richness and composition down to 2,300 m in the southwest Atlantic Ocean
We describe the species richness, distribution and composition of mesozooplankton over the continental shelf and slope, and in the water masses in the Campos Basin, southwest Atlantic Ocean. We analyzed the mesozooplankton from two oceanographic cruises (rainy and dry seasons, 2009) with samples tak...
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ftdoajarticles:oai:doaj.org/article:0e3c539011f842409fb893aa89b779bf 2023-05-15T13:47:39+02:00 Horizontal and vertical distribution of mesozooplankton species richness and composition down to 2,300 m in the southwest Atlantic Ocean Sérgio L.C. Bonecker Adriana V. de Araujo Pedro F. de Carvalho Cristina de O. Dias Luiz F.L. Fernandes Alvaro E. Migotto Otto M.P. de Oliveira 2014-10-01T00:00:00Z https://doi.org/10.1590/S1984-46702014000500005 https://doaj.org/article/0e3c539011f842409fb893aa89b779bf EN eng Pensoft Publishers http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000500005&lng=en&tlng=en https://doaj.org/toc/1984-4689 1984-4689 doi:10.1590/S1984-46702014000500005 https://doaj.org/article/0e3c539011f842409fb893aa89b779bf Zoologia (Curitiba), Vol 31, Iss 5, Pp 445-462 (2014) Deep sea diversity southeastern Brazil zooplankton Zoology QL1-991 article 2014 ftdoajarticles https://doi.org/10.1590/S1984-46702014000500005 2022-12-30T21:59:46Z We describe the species richness, distribution and composition of mesozooplankton over the continental shelf and slope, and in the water masses in the Campos Basin, southwest Atlantic Ocean. We analyzed the mesozooplankton from two oceanographic cruises (rainy and dry seasons, 2009) with samples taken in five different water masses from the surface to 2,300 m depth. In the Subsurface Water (SS), in both sampling periods, more species were recorded over the slope (rainy: 100; dry: 128) than the continental shelf (rainy: 97; dry: 104). Over the slope, species richness decreased with increasing depth: the highest values were observed in the South Atlantic Central Water (SACW), and the lowest values in the North Atlantic Deep Water (NADW), in both sampling periods. We recorded 262 species in 10 groups (Hydrozoa, Siphonophora, Ctenophora, Branchiopoda, Copepoda, Euphausiacea, Decapoda, Chaetognatha, Appendicularia e Thaliacea), with 13 new occurrences for the southwest Atlantic. Copepoda was the group with the highest species richness, containing 138 species. In both periods, the samples from SS, SACW and Antarctic Intermediate Water (AAIW)/Upper Circumpolar Deep Water (UCDW) were clustered in different faunistic zones, based on species composition. This study confirmed that zooplankton richness in the southwest Atlantic Ocean is underestimated, and suggests that additional efforts must be directed toward a better understanding of this fairly unknown region. Article in Journal/Newspaper Antarc* Antarctic NADW North Atlantic Deep Water North Atlantic Directory of Open Access Journals: DOAJ Articles Antarctic Zoologia (Curitiba) 31 5 445 462 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Deep sea diversity southeastern Brazil zooplankton Zoology QL1-991 |
spellingShingle |
Deep sea diversity southeastern Brazil zooplankton Zoology QL1-991 Sérgio L.C. Bonecker Adriana V. de Araujo Pedro F. de Carvalho Cristina de O. Dias Luiz F.L. Fernandes Alvaro E. Migotto Otto M.P. de Oliveira Horizontal and vertical distribution of mesozooplankton species richness and composition down to 2,300 m in the southwest Atlantic Ocean |
topic_facet |
Deep sea diversity southeastern Brazil zooplankton Zoology QL1-991 |
description |
We describe the species richness, distribution and composition of mesozooplankton over the continental shelf and slope, and in the water masses in the Campos Basin, southwest Atlantic Ocean. We analyzed the mesozooplankton from two oceanographic cruises (rainy and dry seasons, 2009) with samples taken in five different water masses from the surface to 2,300 m depth. In the Subsurface Water (SS), in both sampling periods, more species were recorded over the slope (rainy: 100; dry: 128) than the continental shelf (rainy: 97; dry: 104). Over the slope, species richness decreased with increasing depth: the highest values were observed in the South Atlantic Central Water (SACW), and the lowest values in the North Atlantic Deep Water (NADW), in both sampling periods. We recorded 262 species in 10 groups (Hydrozoa, Siphonophora, Ctenophora, Branchiopoda, Copepoda, Euphausiacea, Decapoda, Chaetognatha, Appendicularia e Thaliacea), with 13 new occurrences for the southwest Atlantic. Copepoda was the group with the highest species richness, containing 138 species. In both periods, the samples from SS, SACW and Antarctic Intermediate Water (AAIW)/Upper Circumpolar Deep Water (UCDW) were clustered in different faunistic zones, based on species composition. This study confirmed that zooplankton richness in the southwest Atlantic Ocean is underestimated, and suggests that additional efforts must be directed toward a better understanding of this fairly unknown region. |
format |
Article in Journal/Newspaper |
author |
Sérgio L.C. Bonecker Adriana V. de Araujo Pedro F. de Carvalho Cristina de O. Dias Luiz F.L. Fernandes Alvaro E. Migotto Otto M.P. de Oliveira |
author_facet |
Sérgio L.C. Bonecker Adriana V. de Araujo Pedro F. de Carvalho Cristina de O. Dias Luiz F.L. Fernandes Alvaro E. Migotto Otto M.P. de Oliveira |
author_sort |
Sérgio L.C. Bonecker |
title |
Horizontal and vertical distribution of mesozooplankton species richness and composition down to 2,300 m in the southwest Atlantic Ocean |
title_short |
Horizontal and vertical distribution of mesozooplankton species richness and composition down to 2,300 m in the southwest Atlantic Ocean |
title_full |
Horizontal and vertical distribution of mesozooplankton species richness and composition down to 2,300 m in the southwest Atlantic Ocean |
title_fullStr |
Horizontal and vertical distribution of mesozooplankton species richness and composition down to 2,300 m in the southwest Atlantic Ocean |
title_full_unstemmed |
Horizontal and vertical distribution of mesozooplankton species richness and composition down to 2,300 m in the southwest Atlantic Ocean |
title_sort |
horizontal and vertical distribution of mesozooplankton species richness and composition down to 2,300 m in the southwest atlantic ocean |
publisher |
Pensoft Publishers |
publishDate |
2014 |
url |
https://doi.org/10.1590/S1984-46702014000500005 https://doaj.org/article/0e3c539011f842409fb893aa89b779bf |
geographic |
Antarctic |
geographic_facet |
Antarctic |
genre |
Antarc* Antarctic NADW North Atlantic Deep Water North Atlantic |
genre_facet |
Antarc* Antarctic NADW North Atlantic Deep Water North Atlantic |
op_source |
Zoologia (Curitiba), Vol 31, Iss 5, Pp 445-462 (2014) |
op_relation |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000500005&lng=en&tlng=en https://doaj.org/toc/1984-4689 1984-4689 doi:10.1590/S1984-46702014000500005 https://doaj.org/article/0e3c539011f842409fb893aa89b779bf |
op_doi |
https://doi.org/10.1590/S1984-46702014000500005 |
container_title |
Zoologia (Curitiba) |
container_volume |
31 |
container_issue |
5 |
container_start_page |
445 |
op_container_end_page |
462 |
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1766247587327770624 |