Mg and Sr in Arctic echinoderm calcite: Nature or nurture?

Iglikowska, Anna; Borszcz, Tomasz; Drewnik, Anna; Grabowska, Monika; Humphreys‐Williams, Emma; Kędra, Monika; Krzemińska, Małgorzata; Piwoni‐Piórewicz, Anna; Kukliński, Piotr

doi:10.1016/j.jmarsys.2018.01.005

Cited by 8 publications

(2 citation statements)

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“…aragonite, biomineralization, calcifiers, calcite, marine invertebrates, phylogeny, skeleton scleractinian corals can also be found in deep waters and at low temperatures, where they still make aragonitic skeletons (Bostock et al, 2015;Farfan et al, 2018). Similarly, coccolithophores, echinoderms, cyclostome bryozoans and barnacles produce wholly calcitic skeletons, even at the relatively high temperatures of the tropics (Batson et al, 2020;Iglikowska, Borszcz, et al, 2018;Iglikowska, Ronowicz, et al, 2018;Piwoni-Piórewicz et al, 2022;Ra et al, 2010;Ullmann et al, 2018). These patterns suggest that evolutionary history constrains biomineralogy (Gilbert et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

Skeletal mineralogy of marine calcifying organisms shaped by seawater temperature and evolutionary history—A case study of cheilostome bryozoans

Piwoni‐Piórewicz,

Liow,

Krzemińska

et al. 2024

Global Ecol Biogeogr

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AimQuantify the contribution of environmental factors (water temperature, salinity and depth) and evolutionary history to varied skeletal mineralogy in calcifying marine organisms.LocationGlobal Ocean.Time periodPresent.Major taxa studiedOrder: Cheilostomatida; Phylum: Bryozoa.MethodsWe employed X‐ray diffraction (XRD) to analyse the skeletal mineral composition of 872 individual colonies, representing 437 bryozoan species, in terms of calcite/aragonite ratios. We integrated these data with equivalent published data, thus reaching 981 species, and applied linear models (LMs), generalized linear models (GLMs) and phylogenetic generalized least squares models (PGLSs) to investigate the influences of temperature, salinity, depth and phylogenetic history on the mineralogy of nearly 1000 cheilostome bryozoan species.ResultsCheilostome bryozoans vary considerably in their skeletal mineral composition: in our dataset 65% of the species possess purely calcite skeletons, 15% exclusively employ aragonite and 20% exhibit mixed (i.e. calcite and aragonite) mineralogies. Temperature is the predominant measured environmental factor influencing bryozoan skeletal mineralogy, accounting for 20% of its variability across species, when phylogenetic relatedness is unaccounted for. Bryozoans in lower latitudes, characterized by higher seawater temperatures, have higher aragonite concentrations. By accounting for phylogenetic structure using a subset of 87 species for which we have topological information, 40% of the observed mineralogical variability could be attributed to present‐day temperature. In contrast, depth and salinity played minor roles, explaining less than 1% of the mineralogical variation each.Main conclusionsThis study emphasizes the influence of evolutionary history on the mineralogical variability of calcifying organisms, even when it can be shown that a single environmental factor (temperature) explains a substantial amount of this variability. When confronted with changing temperature, calcifiers such as bryozoans are likely to respond in diverse ways, depending on the species, given their phylogenetic relatedness and the external conditions they meet.

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Section: Introductionmentioning

confidence: 99%

Skeletal mineralogy of marine calcifying organisms shaped by seawater temperature and evolutionary history—A case study of cheilostome bryozoans

Piwoni‐Piórewicz,

Liow,

Krzemińska

et al. 2024

Global Ecol Biogeogr

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“…It is well documented that most marine invertebrates can actively regulate the level of MgCO3 in their skeletons (e.g., Ebert, 2007;Long et al, 2014;Iglikowska et al, 2018aIglikowska et al, , 2018b.…”

Section: Introductionmentioning

confidence: 99%