globalchange  > 气候变化与战略
DOI: 10.1111/gcb.14579
Scopus ID: 2-s2.0-85061932690
Title:
Investigating marine bio-calcification mechanisms in a changing ocean with in vivo and high-resolution ex vivo Raman spectroscopy
Author: DeCarlo T.M.; Comeau S.; Cornwall C.E.; Gajdzik L.; Guagliardo P.; Sadekov A.; Thillainath E.C.; Trotter J.; McCulloch M.T.
Source Publication: Global Change Biology
ISSN: 13541013
Publishing Year: 2019
Language: 英语
Keyword: calcification ; coralline algae ; corals ; foraminifera ; in vivo ; ocean acidification ; otoliths ; Raman spectroscopy
English Abstract: Ocean acidification poses a serious threat to marine calcifying organisms, yet experimental and field studies have found highly diverse responses among species and environments. Our understanding of the underlying drivers of differential responses to ocean acidification is currently limited by difficulties in directly observing and quantifying the mechanisms of bio-calcification. Here, we present Raman spectroscopy techniques for characterizing the skeletal mineralogy and calcifying fluid chemistry of marine calcifying organisms such as corals, coralline algae, foraminifera, and fish (carbonate otoliths). First, our in vivo Raman technique is the ideal tool for investigating non-classical mineralization pathways. This includes calcification by amorphous particle attachment, which has recently been controversially suggested as a mechanism by which corals resist the negative effects of ocean acidification. Second, high-resolution ex vivo Raman mapping reveals complex banding structures in the mineralogy of marine calcifiers, and provides a tool to quantify calcification responses to environmental variability on various timescales from days to years. We describe the new insights into marine bio-calcification that our techniques have already uncovered, and we consider the wide range of questions regarding calcifier responses to global change that can now be proposed and addressed with these new Raman spectroscopy tools. © 2019 John Wiley & Sons Ltd
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Document Type: 期刊论文
Identifier: http://119.78.100.158/handle/2HF3EXSE/117545
Appears in Collections:气候变化与战略

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Recommended Citation:
DeCarlo T.M.,Comeau S.,Cornwall C.E.,et al. Investigating marine bio-calcification mechanisms in a changing ocean with in vivo and high-resolution ex vivo Raman spectroscopy[J]. Global Change Biology,2019-01-01
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