2017
DOI: 10.5194/bg-14-1577-2017
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The effects of environment on <i>Arctica islandica</i> shell formation and architecture

Abstract: Abstract. Mollusks record valuable information in their hard parts that reflect ambient environmental conditions. For this reason, shells can serve as excellent archives to reconstruct past climate and environmental variability. However, animal physiology and biomineralization, which are often poorly understood, can make the decoding of environmental signals a challenging task. Many of the routinely used shell-based proxies are sensitive to multiple different environmental and physiological variables. Therefor… Show more

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Cited by 28 publications
(25 citation statements)
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References 91 publications
(116 reference statements)
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“…islandica produces a shell composed of a single calcium carbonate polymorph (aragonite) organized in layers characterized by different microstructures (Milano et al, 2017a). The outer portion of the outer shell layer (oOSL) consists of homogenous microstructure, whereas the inner portion of the outer shell layer (iOSL) and the inner shell layer (ISL) are dominated by crossedacicular microstructures (Dunca et al, 2009;Schöne et al, 2013;Milano et al, 2017a). The homogenous microstructure is characterized by granular biomineral units distributed without a specific structural arrangement (Carter et al, 2012).…”
Section: Shell Microstructurementioning
confidence: 99%
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“…islandica produces a shell composed of a single calcium carbonate polymorph (aragonite) organized in layers characterized by different microstructures (Milano et al, 2017a). The outer portion of the outer shell layer (oOSL) consists of homogenous microstructure, whereas the inner portion of the outer shell layer (iOSL) and the inner shell layer (ISL) are dominated by crossedacicular microstructures (Dunca et al, 2009;Schöne et al, 2013;Milano et al, 2017a). The homogenous microstructure is characterized by granular biomineral units distributed without a specific structural arrangement (Carter et al, 2012).…”
Section: Shell Microstructurementioning
confidence: 99%
“…Proxy records are crucial to study climate change in areas where instrumental records are absent (Freitas et al, 2006). In the last two decades, bivalve shells have become an important bioarchive tool and the number of respective studies has greatly increased (Gillikin et al, 2005;Freitas et al, 2006;Wanamaker et al, 2008;Schöne et al, 2011;Milano et al, 2017a). Microstructural properties and trace element-to-calcium ratios can reflect the environment in which the bivalves lived (Schöne et al, 2013;Milano et al, 2017a).…”
Section: Introductionmentioning
confidence: 99%
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“…Similarly, mussel shells grown in decreased pH conditions (pH 7.65) showed inner shell surface dissolution (Melzner et al, 2011) and impaired shell microstructure (Hahn et al, 2012), which were consistent with the results in this study. The crystallography of marine shell is the other important proxy to environmental stressors (Milano et al, 2017). Compared to calcite, aragonite occupies much less amount of oyster shells and is more soluble under decreased pH conditions (Fitzer et al, 2014).…”
Section: Effect Of Ocean Acidification On Shell Microstructure and Crmentioning
confidence: 99%