Environmental drivers of size changes in lower Jurassic Schizosphaerella spp

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Standard

Environmental drivers of size changes in lower Jurassic Schizosphaerella spp. / Peti, Leonie; Thibault, Nicolas; Korte, Christoph; Ullmann, Clemens V.; Cachão, Mario; Fibæk, Marie.

I: Marine Micropaleontology, Bind 168, 102053, 09.2021.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Peti, L, Thibault, N, Korte, C, Ullmann, CV, Cachão, M & Fibæk, M 2021, 'Environmental drivers of size changes in lower Jurassic Schizosphaerella spp', Marine Micropaleontology, bind 168, 102053. https://doi.org/10.1016/j.marmicro.2021.102053

APA

Peti, L., Thibault, N., Korte, C., Ullmann, C. V., Cachão, M., & Fibæk, M. (2021). Environmental drivers of size changes in lower Jurassic Schizosphaerella spp. Marine Micropaleontology, 168, [102053]. https://doi.org/10.1016/j.marmicro.2021.102053

Vancouver

Peti L, Thibault N, Korte C, Ullmann CV, Cachão M, Fibæk M. Environmental drivers of size changes in lower Jurassic Schizosphaerella spp. Marine Micropaleontology. 2021 sep.;168. 102053. https://doi.org/10.1016/j.marmicro.2021.102053

Author

Peti, Leonie ; Thibault, Nicolas ; Korte, Christoph ; Ullmann, Clemens V. ; Cachão, Mario ; Fibæk, Marie. / Environmental drivers of size changes in lower Jurassic Schizosphaerella spp. I: Marine Micropaleontology. 2021 ; Bind 168.

Bibtex

@article{49e93cc29e5143c1a0dcfb1c860deabd,
title = "Environmental drivers of size changes in lower Jurassic Schizosphaerella spp",
abstract = "The Early Jurassic nannofossil Schizosphaerella has displayed major changes in its mean valve size through time. These variations are investigated in detail in the Sinemurian to lowermost Toarcian of the Sancerre-Couy core (Paris Basin), based on previously published measurements of 7050 specimens. Through multivariate morphon analysis and mixture analysis, we decipher three distinct overlapping varieties of Schizosphaerella (small, medium, large) and show that mean size changes of this taxon can be mostly related to variations in the relative abundance of these three varieties. Comparison to facies changes and to newly and previously acquired geochemical data (bulk carbonate C and O isotopes and organic C isotopes, %CaCO3 and TOC) suggest that, whilst sea-surface temperature was indeed an important driver of size changes in Schizosphaerella, it is insufficient on its own to explain the full variability of our dataset. Likewise, sea-level controlled proximal-distal variations and levels of nutrient supply were additional drivers of Schizosphaerella size changes. The small population of Schizosphaerella remains, however, a good indicator for warmer episodes.",
keywords = "Biometric study, Calcareous nannofossils, Multivariate statistics, Paris Basin, Sancerre-Couy, Stable isotopes",
author = "Leonie Peti and Nicolas Thibault and Christoph Korte and Ullmann, {Clemens V.} and Mario Cach{\~a}o and Marie Fib{\ae}k",
note = "Publisher Copyright: {\textcopyright} 2021",
year = "2021",
month = sep,
doi = "10.1016/j.marmicro.2021.102053",
language = "English",
volume = "168",
journal = "Marine Micropaleontology",
issn = "0377-8398",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Environmental drivers of size changes in lower Jurassic Schizosphaerella spp

AU - Peti, Leonie

AU - Thibault, Nicolas

AU - Korte, Christoph

AU - Ullmann, Clemens V.

AU - Cachão, Mario

AU - Fibæk, Marie

N1 - Publisher Copyright: © 2021

PY - 2021/9

Y1 - 2021/9

N2 - The Early Jurassic nannofossil Schizosphaerella has displayed major changes in its mean valve size through time. These variations are investigated in detail in the Sinemurian to lowermost Toarcian of the Sancerre-Couy core (Paris Basin), based on previously published measurements of 7050 specimens. Through multivariate morphon analysis and mixture analysis, we decipher three distinct overlapping varieties of Schizosphaerella (small, medium, large) and show that mean size changes of this taxon can be mostly related to variations in the relative abundance of these three varieties. Comparison to facies changes and to newly and previously acquired geochemical data (bulk carbonate C and O isotopes and organic C isotopes, %CaCO3 and TOC) suggest that, whilst sea-surface temperature was indeed an important driver of size changes in Schizosphaerella, it is insufficient on its own to explain the full variability of our dataset. Likewise, sea-level controlled proximal-distal variations and levels of nutrient supply were additional drivers of Schizosphaerella size changes. The small population of Schizosphaerella remains, however, a good indicator for warmer episodes.

AB - The Early Jurassic nannofossil Schizosphaerella has displayed major changes in its mean valve size through time. These variations are investigated in detail in the Sinemurian to lowermost Toarcian of the Sancerre-Couy core (Paris Basin), based on previously published measurements of 7050 specimens. Through multivariate morphon analysis and mixture analysis, we decipher three distinct overlapping varieties of Schizosphaerella (small, medium, large) and show that mean size changes of this taxon can be mostly related to variations in the relative abundance of these three varieties. Comparison to facies changes and to newly and previously acquired geochemical data (bulk carbonate C and O isotopes and organic C isotopes, %CaCO3 and TOC) suggest that, whilst sea-surface temperature was indeed an important driver of size changes in Schizosphaerella, it is insufficient on its own to explain the full variability of our dataset. Likewise, sea-level controlled proximal-distal variations and levels of nutrient supply were additional drivers of Schizosphaerella size changes. The small population of Schizosphaerella remains, however, a good indicator for warmer episodes.

KW - Biometric study

KW - Calcareous nannofossils

KW - Multivariate statistics

KW - Paris Basin

KW - Sancerre-Couy

KW - Stable isotopes

U2 - 10.1016/j.marmicro.2021.102053

DO - 10.1016/j.marmicro.2021.102053

M3 - Journal article

AN - SCOPUS:85117230081

VL - 168

JO - Marine Micropaleontology

JF - Marine Micropaleontology

SN - 0377-8398

M1 - 102053

ER -

ID: 285318647