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Mapping of recent brachiopod microstructure: A tool for environmental studies
Ye, Facheng (叶法丞)1; Crippa, Gaia1; Angiolini, Lucia1; Brand, Uwe2; Capitani, GianCarlo3; Cusack, Maggie4; Garbelli, Claudio5; Griesshaber, Erika6; Harper, Elizabeth7; Schmahl, Wolfgang6
2018-03-01
Source PublicationJOURNAL OF STRUCTURAL BIOLOGY
ISSN1047-8477
Volume201Issue:3Pages:221-236
Abstract

Shells of brachiopods are excellent archives for environmental reconstructions in the recent and distant past as their microstructure and geochemistry respond to climate and environmental forcings. We studied the morphology and size of the basic structural unit, the secondary layer fibre, of the shells of several extant brachiopod taxa to derive a model correlating microstructural patterns to environmental conditions. Twenty-one adult specimens of six recent brachiopod species adapted to different environmental conditions, from Antarctica, to New Zealand, to the Mediterranean Sea, were chosen for microstructural analysis using SEM, TEM and EBSD. We conclude that: 1) there is no significant difference in the shape and size of the fibres between ventral and dorsal valves, 2) there is an ontogenetic trend in the shape and size of the fibres, as they become larger, wider, and flatter with increasing age. This indicates that the fibrous layer produced in the later stages of growth, which is recommended by the literature to be the best material for geochemical analyses, has a different morphostructure and probably a lower organic content than that produced earlier in life. In two species of the same genus living in seawater with different temperature and carbonate saturation state, a relationship emerged between the microstructure and environmental conditions. Fibres of the polar Liothyrella uva tend to be smaller, rounder and less convex than those of the temperate Liothyrella neozelanica, suggesting a relationship between microstructural size, shell organic matter content, ambient seawater temperature and calcite saturation state.

KeywordBiominerals Micromorphometry Ontogenetic Variation Geochemical And Environmental Proxies
DOI10.1016/j.jsb.2017.11.011
Language英语
WOS KeywordTerebratalia-transversa ; Hierarchical Architecture ; Ocean Acidification ; Isotope Composition ; Fossil Brachiopods ; Shell Biomaterials ; Climate-change ; Global Change ; Calcite ; Oxygen
Funding ProjectEuropean Union's Horizon research and innovation programme[643084]
WOS Research AreaBiochemistry & Molecular Biology ; Biophysics ; Cell Biology
WOS SubjectBiochemistry & Molecular Biology ; Biophysics ; Cell Biology
WOS IDWOS:000427548400005
Funding OrganizationEuropean Union's Horizon research and innovation programme
PublisherACADEMIC PRESS INC ELSEVIER SCIENCE
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/18854
Collection中国科学院南京地质古生物研究所
Corresponding AuthorYe, Facheng (叶法丞)
Affiliation1.Univ Milan, Dipartimento Sci Terra A Desio, Milan, Italy
2.Brock Univ, Dept Earth Sci, St Catharines, ON L25 3AI, Canada
3.Dipartimento Sci Ambiente & Sci Terra, Piazza Sci 4, I-20126 Milan, Italy
4.Univ Stirling, Fac Nat Sci, Div Biol & Environm Sci, Stirling FK9 4LA, Scotland
5.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing, Jiangsu, Peoples R China
6.Ludwig Maximilians Univ Munchen, Dept Geo & Umweluvissensch, Munich, Germany
7.Univ Cambridge, Dept Earth Sci, Cambridge CB2 3EQ, England
Recommended Citation
GB/T 7714
Ye, Facheng ,Crippa, Gaia,Angiolini, Lucia,et al. Mapping of recent brachiopod microstructure: A tool for environmental studies[J]. JOURNAL OF STRUCTURAL BIOLOGY,2018,201(3):221-236.
APA Ye, Facheng .,Crippa, Gaia.,Angiolini, Lucia.,Brand, Uwe.,Capitani, GianCarlo.,...&Schmahl, Wolfgang.(2018).Mapping of recent brachiopod microstructure: A tool for environmental studies.JOURNAL OF STRUCTURAL BIOLOGY,201(3),221-236.
MLA Ye, Facheng ,et al."Mapping of recent brachiopod microstructure: A tool for environmental studies".JOURNAL OF STRUCTURAL BIOLOGY 201.3(2018):221-236.
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