Diatoms and their abundances in the Late Holocene sediments of Core LV77-3-1 from the southern part of Chukchi Sea ...
Diatoms from 87 sediment samples of the Core LV77-3-1 collected in southern part of Chukchi Sea were examined to reconstruct paleoenvironments of last millennia and correlate with sediment geochemistry data obtained from the same Core. Diatoms in Core Lv77-3-1 are represented by 161 species belongin...
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Online Access: | https://dx.doi.org/10.1594/pangaea.904147 https://doi.pangaea.de/10.1594/PANGAEA.904147 |
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ftdatacite:10.1594/pangaea.904147 2024-09-15T18:01:58+00:00 Diatoms and their abundances in the Late Holocene sediments of Core LV77-3-1 from the southern part of Chukchi Sea ... Tsoy, Ira B Obrezkova, Maria S 2019 text/tab-separated-values https://dx.doi.org/10.1594/pangaea.904147 https://doi.pangaea.de/10.1594/PANGAEA.904147 en eng PANGAEA https://dx.doi.org/10.1016/j.margeo.2020.106220 Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 DEPTH, sediment/rock Depth, top/min Depth, bottom/max Actinocyclus curvatulus Actinocyclus ingens Actinocyclus ochotensis Actinocyclus octonarius Actinocyclus octonarius var. tenellus Actinocyclus oculatus Actinocyclus subtilis Actinoptychus senarius Amphora proteus Amphora sp. Arachnoidiscus ehrenbergii Aulacodiscus affinis Aulacoseira praegranulata forma curvata Aulacoseira praegranulata var. praeislandica Azpeitia tabularis Bacillaria socialis Bacterosira bathyomphala Bacterosira constricta Caloneis brevis Caloneis westii Chaetoceros aff. coronatus Chaetoceros debilis Chaetoceros diadema Chaetoceros didymus Chaetoceros furcellatus Chaetoceros holsaticus Chaetoceros ingolfianus Chaetoceros lorenzianus Chaetoceros mitra Chaetoceros radicans Chaetoceros sp. Chaetoceros spp. Chaetoceros teres Cocconeis costata Cocconeis scutellum Cocconeis vitrea Coscinodiscus argus Coscinodiscus asteromphalus Coscinodiscus marginatus Coscinodiscus obscurus Coscinodiscus oculus-iridis Coscinodiscus perforatus var. cellulosus Coscinodiscus radiatus Coscinodiscus radiatus var. borealis Cosmiodiscus insignis Cymbella spp. Delphineis kippae dataset Dataset 2019 ftdatacite https://doi.org/10.1594/pangaea.90414710.1016/j.margeo.2020.106220 2024-08-01T10:59:28Z Diatoms from 87 sediment samples of the Core LV77-3-1 collected in southern part of Chukchi Sea were examined to reconstruct paleoenvironments of last millennia and correlate with sediment geochemistry data obtained from the same Core. Diatoms in Core Lv77-3-1 are represented by 161 species belonging to 61 genus (table 1). The largest number of species is characteristic of the genera Chaetoceros (15 taxa), Navicula (12), Thalassiosira (10), Coscinodiscus (8), Diploneis (8), Actinocyclus (7). Most species are marine, among which are 62 planktonic, benthic - 63 species. Considerable amount of freshwater (24 taxa) and extinct (12 taxa ) species are encountered but they are single. Analysis of diatoms on a detailed age model showed the periodicity of sedimentation in the zone of influence of the Pacific waters of the Chukchi Sea in the Late Holocene, which is characterized by alternation of relatively cold and warm epochs. The reconstructed changes do not fully reflect the global climate changes of the late ... Dataset Chukchi Chukchi Sea DataCite |
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Open Polar |
collection |
DataCite |
op_collection_id |
ftdatacite |
language |
English |
topic |
DEPTH, sediment/rock Depth, top/min Depth, bottom/max Actinocyclus curvatulus Actinocyclus ingens Actinocyclus ochotensis Actinocyclus octonarius Actinocyclus octonarius var. tenellus Actinocyclus oculatus Actinocyclus subtilis Actinoptychus senarius Amphora proteus Amphora sp. Arachnoidiscus ehrenbergii Aulacodiscus affinis Aulacoseira praegranulata forma curvata Aulacoseira praegranulata var. praeislandica Azpeitia tabularis Bacillaria socialis Bacterosira bathyomphala Bacterosira constricta Caloneis brevis Caloneis westii Chaetoceros aff. coronatus Chaetoceros debilis Chaetoceros diadema Chaetoceros didymus Chaetoceros furcellatus Chaetoceros holsaticus Chaetoceros ingolfianus Chaetoceros lorenzianus Chaetoceros mitra Chaetoceros radicans Chaetoceros sp. Chaetoceros spp. Chaetoceros teres Cocconeis costata Cocconeis scutellum Cocconeis vitrea Coscinodiscus argus Coscinodiscus asteromphalus Coscinodiscus marginatus Coscinodiscus obscurus Coscinodiscus oculus-iridis Coscinodiscus perforatus var. cellulosus Coscinodiscus radiatus Coscinodiscus radiatus var. borealis Cosmiodiscus insignis Cymbella spp. Delphineis kippae |
spellingShingle |
DEPTH, sediment/rock Depth, top/min Depth, bottom/max Actinocyclus curvatulus Actinocyclus ingens Actinocyclus ochotensis Actinocyclus octonarius Actinocyclus octonarius var. tenellus Actinocyclus oculatus Actinocyclus subtilis Actinoptychus senarius Amphora proteus Amphora sp. Arachnoidiscus ehrenbergii Aulacodiscus affinis Aulacoseira praegranulata forma curvata Aulacoseira praegranulata var. praeislandica Azpeitia tabularis Bacillaria socialis Bacterosira bathyomphala Bacterosira constricta Caloneis brevis Caloneis westii Chaetoceros aff. coronatus Chaetoceros debilis Chaetoceros diadema Chaetoceros didymus Chaetoceros furcellatus Chaetoceros holsaticus Chaetoceros ingolfianus Chaetoceros lorenzianus Chaetoceros mitra Chaetoceros radicans Chaetoceros sp. Chaetoceros spp. Chaetoceros teres Cocconeis costata Cocconeis scutellum Cocconeis vitrea Coscinodiscus argus Coscinodiscus asteromphalus Coscinodiscus marginatus Coscinodiscus obscurus Coscinodiscus oculus-iridis Coscinodiscus perforatus var. cellulosus Coscinodiscus radiatus Coscinodiscus radiatus var. borealis Cosmiodiscus insignis Cymbella spp. Delphineis kippae Tsoy, Ira B Obrezkova, Maria S Diatoms and their abundances in the Late Holocene sediments of Core LV77-3-1 from the southern part of Chukchi Sea ... |
topic_facet |
DEPTH, sediment/rock Depth, top/min Depth, bottom/max Actinocyclus curvatulus Actinocyclus ingens Actinocyclus ochotensis Actinocyclus octonarius Actinocyclus octonarius var. tenellus Actinocyclus oculatus Actinocyclus subtilis Actinoptychus senarius Amphora proteus Amphora sp. Arachnoidiscus ehrenbergii Aulacodiscus affinis Aulacoseira praegranulata forma curvata Aulacoseira praegranulata var. praeislandica Azpeitia tabularis Bacillaria socialis Bacterosira bathyomphala Bacterosira constricta Caloneis brevis Caloneis westii Chaetoceros aff. coronatus Chaetoceros debilis Chaetoceros diadema Chaetoceros didymus Chaetoceros furcellatus Chaetoceros holsaticus Chaetoceros ingolfianus Chaetoceros lorenzianus Chaetoceros mitra Chaetoceros radicans Chaetoceros sp. Chaetoceros spp. Chaetoceros teres Cocconeis costata Cocconeis scutellum Cocconeis vitrea Coscinodiscus argus Coscinodiscus asteromphalus Coscinodiscus marginatus Coscinodiscus obscurus Coscinodiscus oculus-iridis Coscinodiscus perforatus var. cellulosus Coscinodiscus radiatus Coscinodiscus radiatus var. borealis Cosmiodiscus insignis Cymbella spp. Delphineis kippae |
description |
Diatoms from 87 sediment samples of the Core LV77-3-1 collected in southern part of Chukchi Sea were examined to reconstruct paleoenvironments of last millennia and correlate with sediment geochemistry data obtained from the same Core. Diatoms in Core Lv77-3-1 are represented by 161 species belonging to 61 genus (table 1). The largest number of species is characteristic of the genera Chaetoceros (15 taxa), Navicula (12), Thalassiosira (10), Coscinodiscus (8), Diploneis (8), Actinocyclus (7). Most species are marine, among which are 62 planktonic, benthic - 63 species. Considerable amount of freshwater (24 taxa) and extinct (12 taxa ) species are encountered but they are single. Analysis of diatoms on a detailed age model showed the periodicity of sedimentation in the zone of influence of the Pacific waters of the Chukchi Sea in the Late Holocene, which is characterized by alternation of relatively cold and warm epochs. The reconstructed changes do not fully reflect the global climate changes of the late ... |
format |
Dataset |
author |
Tsoy, Ira B Obrezkova, Maria S |
author_facet |
Tsoy, Ira B Obrezkova, Maria S |
author_sort |
Tsoy, Ira B |
title |
Diatoms and their abundances in the Late Holocene sediments of Core LV77-3-1 from the southern part of Chukchi Sea ... |
title_short |
Diatoms and their abundances in the Late Holocene sediments of Core LV77-3-1 from the southern part of Chukchi Sea ... |
title_full |
Diatoms and their abundances in the Late Holocene sediments of Core LV77-3-1 from the southern part of Chukchi Sea ... |
title_fullStr |
Diatoms and their abundances in the Late Holocene sediments of Core LV77-3-1 from the southern part of Chukchi Sea ... |
title_full_unstemmed |
Diatoms and their abundances in the Late Holocene sediments of Core LV77-3-1 from the southern part of Chukchi Sea ... |
title_sort |
diatoms and their abundances in the late holocene sediments of core lv77-3-1 from the southern part of chukchi sea ... |
publisher |
PANGAEA |
publishDate |
2019 |
url |
https://dx.doi.org/10.1594/pangaea.904147 https://doi.pangaea.de/10.1594/PANGAEA.904147 |
genre |
Chukchi Chukchi Sea |
genre_facet |
Chukchi Chukchi Sea |
op_relation |
https://dx.doi.org/10.1016/j.margeo.2020.106220 |
op_rights |
Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 |
op_doi |
https://doi.org/10.1594/pangaea.90414710.1016/j.margeo.2020.106220 |
_version_ |
1810439035243462656 |