Raw taxonomic and abundances data
BIOGEOGRAPHY OF THE SOUTHERN OCEAN: ENVIRONMENTAL FACTORS DRIVING MESOPLANKTON DISTRIBUTION SOUTH OF AFRICA Spatial distribution of zooplankton communities depends on numerous factors, especially temperature and salinity conditions (hydrological factor), sampled depth, trophic factor, and dial cycle...
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ftzenodo:oai:zenodo.org:4561888 2023-06-06T11:44:19+02:00 Raw taxonomic and abundances data Alexander L. Vereshchaka Eteri I. Musaeva Anastasiia A. Lunina 2021-02-25 https://zenodo.org/record/4561888 https://doi.org/10.5281/zenodo.4561888 unknown doi:10.5281/zenodo.4561887 https://zenodo.org/record/4561888 https://doi.org/10.5281/zenodo.4561888 oai:zenodo.org:4561888 info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by/4.0/legalcode PeerJ info:eu-repo/semantics/other dataset 2021 ftzenodo https://doi.org/10.5281/zenodo.456188810.5281/zenodo.4561887 2023-04-13T22:43:40Z BIOGEOGRAPHY OF THE SOUTHERN OCEAN: ENVIRONMENTAL FACTORS DRIVING MESOPLANKTON DISTRIBUTION SOUTH OF AFRICA Spatial distribution of zooplankton communities depends on numerous factors, especially temperature and salinity conditions (hydrological factor), sampled depth, trophic factor, and dial cycle. We analyzed and compared the impact of these factors on abundance, biodiversity, quantitative (QNT-structure based on proportion of taxa) and qualitative (QUAL-structure based on presence/absence of taxa) structure of mesoplankton in the Southern Ocean. Samples (43 stations, three vertical strata sampled at each station, 163 taxa identified) were collected with a Juday net along the SR02 transect in December 2009. Mesoplankton abundance in discrete vertical layers ranged from 0.2 to 13743.6 ind. m-3 (five orders of magnitude), maximal and minimal values were recorded in the upper mixed and in the deepest layer, respectively. Within the combined 300-m layer, abundances ranged from 16.0 to 1455.0 ind. m-3(five orders of magnitude) suggesting that integral samples provide little information about actual variations of mesoplankton abundances. A set of analyses (CCAs, ANOSIM, clustering) showed that depth was the major driver of mesoplankton distribution (abundance, biodiversity, QNT-structure), hydrological factors influenced two of them (QNT-structure and QUAL-structure), trophic factor (surface chlorophyll as a proxy) strongly affected one parameter (QNT-structure), and dial cycle had an insignificant effect on mesoplankton distribution. Using our current knowledge of the fine structure of the Antarctic Circumpolar Current, we compared effects of four hydrological fronts (boundaries between different water-masses with distinct environmental characteristics) and eight dynamic jets (narrow yet very intense currents) on mesoplankton distribution. Three hydrological fronts (Subtropical, Polar, Subantarctic) drove QNT-structure and QUAL-structure of mesoplankton assemblages (decreasing in order of influence), while the ... Dataset Antarc* Antarctic Southern Ocean Zenodo Antarctic Southern Ocean The Antarctic |
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Open Polar |
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Zenodo |
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ftzenodo |
language |
unknown |
description |
BIOGEOGRAPHY OF THE SOUTHERN OCEAN: ENVIRONMENTAL FACTORS DRIVING MESOPLANKTON DISTRIBUTION SOUTH OF AFRICA Spatial distribution of zooplankton communities depends on numerous factors, especially temperature and salinity conditions (hydrological factor), sampled depth, trophic factor, and dial cycle. We analyzed and compared the impact of these factors on abundance, biodiversity, quantitative (QNT-structure based on proportion of taxa) and qualitative (QUAL-structure based on presence/absence of taxa) structure of mesoplankton in the Southern Ocean. Samples (43 stations, three vertical strata sampled at each station, 163 taxa identified) were collected with a Juday net along the SR02 transect in December 2009. Mesoplankton abundance in discrete vertical layers ranged from 0.2 to 13743.6 ind. m-3 (five orders of magnitude), maximal and minimal values were recorded in the upper mixed and in the deepest layer, respectively. Within the combined 300-m layer, abundances ranged from 16.0 to 1455.0 ind. m-3(five orders of magnitude) suggesting that integral samples provide little information about actual variations of mesoplankton abundances. A set of analyses (CCAs, ANOSIM, clustering) showed that depth was the major driver of mesoplankton distribution (abundance, biodiversity, QNT-structure), hydrological factors influenced two of them (QNT-structure and QUAL-structure), trophic factor (surface chlorophyll as a proxy) strongly affected one parameter (QNT-structure), and dial cycle had an insignificant effect on mesoplankton distribution. Using our current knowledge of the fine structure of the Antarctic Circumpolar Current, we compared effects of four hydrological fronts (boundaries between different water-masses with distinct environmental characteristics) and eight dynamic jets (narrow yet very intense currents) on mesoplankton distribution. Three hydrological fronts (Subtropical, Polar, Subantarctic) drove QNT-structure and QUAL-structure of mesoplankton assemblages (decreasing in order of influence), while the ... |
format |
Dataset |
author |
Alexander L. Vereshchaka Eteri I. Musaeva Anastasiia A. Lunina |
spellingShingle |
Alexander L. Vereshchaka Eteri I. Musaeva Anastasiia A. Lunina Raw taxonomic and abundances data |
author_facet |
Alexander L. Vereshchaka Eteri I. Musaeva Anastasiia A. Lunina |
author_sort |
Alexander L. Vereshchaka |
title |
Raw taxonomic and abundances data |
title_short |
Raw taxonomic and abundances data |
title_full |
Raw taxonomic and abundances data |
title_fullStr |
Raw taxonomic and abundances data |
title_full_unstemmed |
Raw taxonomic and abundances data |
title_sort |
raw taxonomic and abundances data |
publishDate |
2021 |
url |
https://zenodo.org/record/4561888 https://doi.org/10.5281/zenodo.4561888 |
geographic |
Antarctic Southern Ocean The Antarctic |
geographic_facet |
Antarctic Southern Ocean The Antarctic |
genre |
Antarc* Antarctic Southern Ocean |
genre_facet |
Antarc* Antarctic Southern Ocean |
op_source |
PeerJ |
op_relation |
doi:10.5281/zenodo.4561887 https://zenodo.org/record/4561888 https://doi.org/10.5281/zenodo.4561888 oai:zenodo.org:4561888 |
op_rights |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by/4.0/legalcode |
op_doi |
https://doi.org/10.5281/zenodo.456188810.5281/zenodo.4561887 |
_version_ |
1767960441232818176 |