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Shell chemistry of the boreal Campanian bivalve Rastellum diluvianum (Linnaeus, 1767) reveals temperature seasonality, growth rates and life cycle of an extinct Cretaceous oyster

(2020) BIOGEOSCIENCES. 17(11). p.2897-2922
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Abstract
The Campanian age (Late Cretaceous) is characterized by a warm greenhouse climate with limited land-ice volume. This makes this period an ideal target for studying climate dynamics during greenhouse periods, which are essential for predictions of future climate change due to anthropogenic greenhouse gas emissions. Well-preserved fossil shells from the Campanian (+/- 78 Ma) high mid-latitude (50 degrees N) coastal faunas of the Kristianstad Basin (southern Sweden) offer a unique snapshot of short-term climate and environmental variability, which complements existing long-term climate reconstructions. In this study, we apply a combination of high-resolution spatially resolved trace element analyses (micro-X-ray fluorescence - mu XRF - and laser ablation inductively coupled plasma mass spectrometry - LA-ICP-MS), stable isotope analyses (IRMS) and growth modeling to study short-term (seasonal) variations recorded in the oyster species Rastellum diluvianum from the Ivo Klack locality. Geochemical records through 12 specimens shed light on the influence of specimen-specific and ontogenetic effects on the expression of seasonal variations in shell chemistry and allow disentangling vital effects from environmental influences in an effort to refine paleoseasonality reconstructions of Late Cretaceous greenhouse climates. Growth models based on stable oxygen isotope records yield information on the mode of life, circadian rhythm and reproductive cycle of these extinct oysters. This multi-proxy study reveals that mean annual temperatures in the Campanian higher midlatitudes were 17 to 19 degrees C, with winter minima of similar to 13 degrees C and summer maxima of 26 degrees C, assuming a Late Cretaceous seawater oxygen isotope composition of -1 parts per thousand VSMOW (Vienna standard mean ocean water). These results yield smaller latitudinal differences in temperature seasonality in the Campanian compared to today. Latitudinal temperature gradients were similar to the present, contrasting with previous notions of "equable climate" during the Late Cretaceous. Our results also demonstrate that species-specific differences and uncertainties in the composition of Late Cretaceous seawater prevent trace element proxies (Mg/Ca, Sr/Ca, Mg/Li and Sr/Li) from being used as reliable temperature proxies for fossil oyster shells. However, trace element profiles can serve as a quick tool for diagenesis screening and investigating seasonal growth patterns in ancient shells.
Keywords
LOW-MG CALCITE, SEA-SURFACE TEMPERATURE, SCALLOP, PLACOPECTEN-MAGELLANICUS, MULTICOMPONENT CARBONATE SYSTEM, OXYGEN, ISOTOPIC COMPOSITION, CRASSOSTREA-GIGAS, DIAGENETIC STABILIZATION, BIOLOGICAL CARBONATES, CHEMICAL DIAGENESIS, ARCTICA-ISLANDICA

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MLA
de Winter, Niels J., et al. “Shell Chemistry of the Boreal Campanian Bivalve Rastellum Diluvianum (Linnaeus, 1767) Reveals Temperature Seasonality, Growth Rates and Life Cycle of an Extinct Cretaceous Oyster.” BIOGEOSCIENCES, vol. 17, no. 11, 2020, pp. 2897–922, doi:10.5194/bg-17-2897-2020.
APA
de Winter, N. J., Ullmann, Clemens, V., Sorensen, A. M., Thibault, N., Goderis, S., Van Malderen, S., … Claeys, P. (2020). Shell chemistry of the boreal Campanian bivalve Rastellum diluvianum (Linnaeus, 1767) reveals temperature seasonality, growth rates and life cycle of an extinct Cretaceous oyster. BIOGEOSCIENCES, 17(11), 2897–2922. https://doi.org/10.5194/bg-17-2897-2020
Chicago author-date
Winter, Niels J. de, V Ullmann, Clemens, Anne M. Sorensen, Nicolas Thibault, Steven Goderis, Stijn Van Malderen, Christophe Snoeck, Stijn Goolaerts, Frank Vanhaecke, and Philippe Claeys. 2020. “Shell Chemistry of the Boreal Campanian Bivalve Rastellum Diluvianum (Linnaeus, 1767) Reveals Temperature Seasonality, Growth Rates and Life Cycle of an Extinct Cretaceous Oyster.” BIOGEOSCIENCES 17 (11): 2897–2922. https://doi.org/10.5194/bg-17-2897-2020.
Chicago author-date (all authors)
de Winter, Niels J., V Ullmann, Clemens, Anne M. Sorensen, Nicolas Thibault, Steven Goderis, Stijn Van Malderen, Christophe Snoeck, Stijn Goolaerts, Frank Vanhaecke, and Philippe Claeys. 2020. “Shell Chemistry of the Boreal Campanian Bivalve Rastellum Diluvianum (Linnaeus, 1767) Reveals Temperature Seasonality, Growth Rates and Life Cycle of an Extinct Cretaceous Oyster.” BIOGEOSCIENCES 17 (11): 2897–2922. doi:10.5194/bg-17-2897-2020.
Vancouver
1.
de Winter NJ, Ullmann, Clemens V, Sorensen AM, Thibault N, Goderis S, Van Malderen S, et al. Shell chemistry of the boreal Campanian bivalve Rastellum diluvianum (Linnaeus, 1767) reveals temperature seasonality, growth rates and life cycle of an extinct Cretaceous oyster. BIOGEOSCIENCES. 2020;17(11):2897–922.
IEEE
[1]
N. J. de Winter et al., “Shell chemistry of the boreal Campanian bivalve Rastellum diluvianum (Linnaeus, 1767) reveals temperature seasonality, growth rates and life cycle of an extinct Cretaceous oyster,” BIOGEOSCIENCES, vol. 17, no. 11, pp. 2897–2922, 2020.
@article{8669430,
  abstract     = {The Campanian age (Late Cretaceous) is characterized by a warm greenhouse climate with limited land-ice volume. This makes this period an ideal target for studying climate dynamics during greenhouse periods, which are essential for predictions of future climate change due to anthropogenic greenhouse gas emissions. Well-preserved fossil shells from the Campanian (+/- 78 Ma) high mid-latitude (50 degrees N) coastal faunas of the Kristianstad Basin (southern Sweden) offer a unique snapshot of short-term climate and environmental variability, which complements existing long-term climate reconstructions. In this study, we apply a combination of high-resolution spatially resolved trace element analyses (micro-X-ray fluorescence - mu XRF - and laser ablation inductively coupled plasma mass spectrometry - LA-ICP-MS), stable isotope analyses (IRMS) and growth modeling to study short-term (seasonal) variations recorded in the oyster species Rastellum diluvianum from the Ivo Klack locality. Geochemical records through 12 specimens shed light on the influence of specimen-specific and ontogenetic effects on the expression of seasonal variations in shell chemistry and allow disentangling vital effects from environmental influences in an effort to refine paleoseasonality reconstructions of Late Cretaceous greenhouse climates. Growth models based on stable oxygen isotope records yield information on the mode of life, circadian rhythm and reproductive cycle of these extinct oysters. This multi-proxy study reveals that mean annual temperatures in the Campanian higher midlatitudes were 17 to 19 degrees C, with winter minima of similar to 13 degrees C and summer maxima of 26 degrees C, assuming a Late Cretaceous seawater oxygen isotope composition of -1 parts per thousand VSMOW (Vienna standard mean ocean water). These results yield smaller latitudinal differences in temperature seasonality in the Campanian compared to today. Latitudinal temperature gradients were similar to the present, contrasting with previous notions of "equable climate" during the Late Cretaceous. Our results also demonstrate that species-specific differences and uncertainties in the composition of Late Cretaceous seawater prevent trace element proxies (Mg/Ca, Sr/Ca, Mg/Li and Sr/Li) from being used as reliable temperature proxies for fossil oyster shells. However, trace element profiles can serve as a quick tool for diagenesis screening and investigating seasonal growth patterns in ancient shells.},
  author       = {de Winter, Niels J. and Ullmann, Clemens, V and Sorensen, Anne M. and Thibault, Nicolas and Goderis, Steven and Van Malderen, Stijn and Snoeck, Christophe and Goolaerts, Stijn and Vanhaecke, Frank and Claeys, Philippe},
  issn         = {1726-4170},
  journal      = {BIOGEOSCIENCES},
  keywords     = {LOW-MG CALCITE,SEA-SURFACE TEMPERATURE,SCALLOP,PLACOPECTEN-MAGELLANICUS,MULTICOMPONENT CARBONATE SYSTEM,OXYGEN,ISOTOPIC COMPOSITION,CRASSOSTREA-GIGAS,DIAGENETIC STABILIZATION,BIOLOGICAL CARBONATES,CHEMICAL DIAGENESIS,ARCTICA-ISLANDICA},
  language     = {eng},
  number       = {11},
  pages        = {2897--2922},
  title        = {Shell chemistry of the boreal Campanian bivalve Rastellum diluvianum (Linnaeus, 1767) reveals temperature seasonality, growth rates and life cycle of an extinct Cretaceous oyster},
  url          = {http://dx.doi.org/10.5194/bg-17-2897-2020},
  volume       = {17},
  year         = {2020},
}

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