Wanted Dead or Alive: Skeletal Structure Alteration of Cold-Water Coral <i<Desmophyllum pertusum</i< (<i<Lophelia pertusa)</i< from Anthropogenic Stressors

Ocean acidification (OA) has provoked changes in the carbonate saturation state that may alter the formation and structural biomineralisation of calcium carbonate exoskeletons for marine organisms. Biomineral production in organisms such as cold-water corals (CWC) rely on available carbonate in the...
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Gespeichert in:

Autor*in:	Erica Terese Krueger [verfasserIn] Janina V. Büscher [verfasserIn] David A. Hoey [verfasserIn] David Taylor [verfasserIn] Peter J. O’Reilly [verfasserIn] Quentin G. Crowley [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	biomechanics biomineralisation climate change cold-water coral porosity ocean acidification

Übergeordnetes Werk:	In: Oceans - MDPI AG, 2021, 4(2023), 1, Seite 68-79
Übergeordnetes Werk:	volume:4 ; year:2023 ; number:1 ; pages:68-79

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/oceans4010006

Katalog-ID:	DOAJ087272091

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520			\|a Ocean acidification (OA) has provoked changes in the carbonate saturation state that may alter the formation and structural biomineralisation of calcium carbonate exoskeletons for marine organisms. Biomineral production in organisms such as cold-water corals (CWC) rely on available carbonate in the water column and the ability of the organism to sequester ions from seawater or nutrients for the formation and growth of a skeletal structure. As an important habitat structuring species, it is essential to examine the impact that anthropogenic stressors (i.e., OA and rising seawater temperatures) have on living corals and the structural properties of dead coral skeletons; these are important contributors to the entire reef structure and the stability of CWC mounds. In this study, dead coral skeletons in seawater were exposed to various levels of <i<p</i<CO<sub<2</sub< and different temperatures over a 12-month period. Nanoindentation was subsequently conducted to assess the structural properties of coral samples’ elasticity (<i<E</i<) and hardness (<i<H</i<), whereas the amount of dissolution was assessed through scanning electron microscopy. Overall, CWC samples exposed to elevated <i<p</i<CO<sub<2</sub< and temperature show changes in properties which leave them more susceptible to breakage and may in turn negatively impact the formation and stability of CWC mound development.
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callnumber-first	G - Geography, Anthropology, Recreation
author	Erica Terese Krueger
spellingShingle	Erica Terese Krueger misc GC1-1581 misc biomechanics misc biomineralisation misc climate change misc cold-water coral misc porosity misc ocean acidification misc Oceanography Wanted Dead or Alive: Skeletal Structure Alteration of Cold-Water Coral <i<Desmophyllum pertusum</i< (<i<Lophelia pertusa)</i< from Anthropogenic Stressors
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topic_title	GC1-1581 Wanted Dead or Alive: Skeletal Structure Alteration of Cold-Water Coral <i<Desmophyllum pertusum</i< (<i<Lophelia pertusa)</i< from Anthropogenic Stressors biomechanics biomineralisation climate change cold-water coral porosity ocean acidification
topic	misc GC1-1581 misc biomechanics misc biomineralisation misc climate change misc cold-water coral misc porosity misc ocean acidification misc Oceanography
topic_unstemmed	misc GC1-1581 misc biomechanics misc biomineralisation misc climate change misc cold-water coral misc porosity misc ocean acidification misc Oceanography
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title	Wanted Dead or Alive: Skeletal Structure Alteration of Cold-Water Coral <i<Desmophyllum pertusum</i< (<i<Lophelia pertusa)</i< from Anthropogenic Stressors
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title_full	Wanted Dead or Alive: Skeletal Structure Alteration of Cold-Water Coral <i<Desmophyllum pertusum</i< (<i<Lophelia pertusa)</i< from Anthropogenic Stressors
author_sort	Erica Terese Krueger
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author_browse	Erica Terese Krueger Janina V. Büscher David A. Hoey David Taylor Peter J. O’Reilly Quentin G. Crowley
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title_sort	wanted dead or alive: skeletal structure alteration of cold-water coral <i<desmophyllum pertusum</i< (<i<lophelia pertusa)</i< from anthropogenic stressors
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title_auth	Wanted Dead or Alive: Skeletal Structure Alteration of Cold-Water Coral <i<Desmophyllum pertusum</i< (<i<Lophelia pertusa)</i< from Anthropogenic Stressors
abstract	Ocean acidification (OA) has provoked changes in the carbonate saturation state that may alter the formation and structural biomineralisation of calcium carbonate exoskeletons for marine organisms. Biomineral production in organisms such as cold-water corals (CWC) rely on available carbonate in the water column and the ability of the organism to sequester ions from seawater or nutrients for the formation and growth of a skeletal structure. As an important habitat structuring species, it is essential to examine the impact that anthropogenic stressors (i.e., OA and rising seawater temperatures) have on living corals and the structural properties of dead coral skeletons; these are important contributors to the entire reef structure and the stability of CWC mounds. In this study, dead coral skeletons in seawater were exposed to various levels of <i<p</i<CO<sub<2</sub< and different temperatures over a 12-month period. Nanoindentation was subsequently conducted to assess the structural properties of coral samples’ elasticity (<i<E</i<) and hardness (<i<H</i<), whereas the amount of dissolution was assessed through scanning electron microscopy. Overall, CWC samples exposed to elevated <i<p</i<CO<sub<2</sub< and temperature show changes in properties which leave them more susceptible to breakage and may in turn negatively impact the formation and stability of CWC mound development.
abstractGer	Ocean acidification (OA) has provoked changes in the carbonate saturation state that may alter the formation and structural biomineralisation of calcium carbonate exoskeletons for marine organisms. Biomineral production in organisms such as cold-water corals (CWC) rely on available carbonate in the water column and the ability of the organism to sequester ions from seawater or nutrients for the formation and growth of a skeletal structure. As an important habitat structuring species, it is essential to examine the impact that anthropogenic stressors (i.e., OA and rising seawater temperatures) have on living corals and the structural properties of dead coral skeletons; these are important contributors to the entire reef structure and the stability of CWC mounds. In this study, dead coral skeletons in seawater were exposed to various levels of <i<p</i<CO<sub<2</sub< and different temperatures over a 12-month period. Nanoindentation was subsequently conducted to assess the structural properties of coral samples’ elasticity (<i<E</i<) and hardness (<i<H</i<), whereas the amount of dissolution was assessed through scanning electron microscopy. Overall, CWC samples exposed to elevated <i<p</i<CO<sub<2</sub< and temperature show changes in properties which leave them more susceptible to breakage and may in turn negatively impact the formation and stability of CWC mound development.
abstract_unstemmed	Ocean acidification (OA) has provoked changes in the carbonate saturation state that may alter the formation and structural biomineralisation of calcium carbonate exoskeletons for marine organisms. Biomineral production in organisms such as cold-water corals (CWC) rely on available carbonate in the water column and the ability of the organism to sequester ions from seawater or nutrients for the formation and growth of a skeletal structure. As an important habitat structuring species, it is essential to examine the impact that anthropogenic stressors (i.e., OA and rising seawater temperatures) have on living corals and the structural properties of dead coral skeletons; these are important contributors to the entire reef structure and the stability of CWC mounds. In this study, dead coral skeletons in seawater were exposed to various levels of <i<p</i<CO<sub<2</sub< and different temperatures over a 12-month period. Nanoindentation was subsequently conducted to assess the structural properties of coral samples’ elasticity (<i<E</i<) and hardness (<i<H</i<), whereas the amount of dissolution was assessed through scanning electron microscopy. Overall, CWC samples exposed to elevated <i<p</i<CO<sub<2</sub< and temperature show changes in properties which leave them more susceptible to breakage and may in turn negatively impact the formation and stability of CWC mound development.
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title_short	Wanted Dead or Alive: Skeletal Structure Alteration of Cold-Water Coral <i<Desmophyllum pertusum</i< (<i<Lophelia pertusa)</i< from Anthropogenic Stressors
url	https://doi.org/10.3390/oceans4010006 https://doaj.org/article/a1852d3cf45a4854ae79edc5e1ca24f8 https://www.mdpi.com/2673-1924/4/1/6 https://doaj.org/toc/2673-1924
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author2	Janina V. Büscher David A. Hoey David Taylor Peter J. O’Reilly Quentin G. Crowley
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up_date	2024-07-04T00:58:42.755Z
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Biomineral production in organisms such as cold-water corals (CWC) rely on available carbonate in the water column and the ability of the organism to sequester ions from seawater or nutrients for the formation and growth of a skeletal structure. As an important habitat structuring species, it is essential to examine the impact that anthropogenic stressors (i.e., OA and rising seawater temperatures) have on living corals and the structural properties of dead coral skeletons; these are important contributors to the entire reef structure and the stability of CWC mounds. In this study, dead coral skeletons in seawater were exposed to various levels of <i<p</i<CO<sub<2</sub< and different temperatures over a 12-month period. Nanoindentation was subsequently conducted to assess the structural properties of coral samples’ elasticity (<i<E</i<) and hardness (<i<H</i<), whereas the amount of dissolution was assessed through scanning electron microscopy. 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Wanted Dead or Alive: Skeletal Structure Alteration of Cold-Water Coral <i<Desmophyllum pertusum</i< (<i<Lophelia pertusa)</i< from Anthropogenic Stressors

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