Seawater carbonate chemistry and biological processes of Sepia officinalis during experiments, 2010
Acidification of ocean surface waters by anthropogenic carbon dioxide (CO2) emissions is a currently developing scenario that warrants a broadening of research foci in the study of acid-base physiology. Recent studies working with environmentally relevant CO2 levels, indicate that some echinoderms a...
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Language: | English |
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PANGAEA
2010
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Online Access: | https://doi.pangaea.de/10.1594/PANGAEA.757991 https://doi.org/10.1594/PANGAEA.757991 |
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openpolar |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
Acid-base regulation Alkalinity total Animalia Aragonite saturation state Behaviour Bicarbonate Bicarbonate ion BIOACID Biological Impacts of Ocean Acidification Calcite saturation state Calculated Calculated using CO2SYS Calculated using seacarb after Nisumaa et al. (2010) Carbon inorganic dissolved Carbonate ion Carbonate system computation flag Carbon dioxide partial pressure Coast and continental shelf Containers and aquaria (20-1000 L or < 1 m**2) EPOCA EUR-OCEANS European network of excellence for Ocean Ecosystems Analysis European Project on Ocean Acidification Experimental treatment Fugacity of carbon dioxide (water) at sea surface temperature (wet air) Incubation duration Laboratory experiment Measured Mollusca Nekton North Atlantic OA-ICC Ocean Acidification International Coordination Centre Optical sensor (HPS-OIW) Optical sensor (PS1 PreSens) Partial pressure of carbon dioxide (water) at sea surface temperature (wet air) Pelagos pH Salinity Sepia officinalis haemolymph standard deviation |
spellingShingle |
Acid-base regulation Alkalinity total Animalia Aragonite saturation state Behaviour Bicarbonate Bicarbonate ion BIOACID Biological Impacts of Ocean Acidification Calcite saturation state Calculated Calculated using CO2SYS Calculated using seacarb after Nisumaa et al. (2010) Carbon inorganic dissolved Carbonate ion Carbonate system computation flag Carbon dioxide partial pressure Coast and continental shelf Containers and aquaria (20-1000 L or < 1 m**2) EPOCA EUR-OCEANS European network of excellence for Ocean Ecosystems Analysis European Project on Ocean Acidification Experimental treatment Fugacity of carbon dioxide (water) at sea surface temperature (wet air) Incubation duration Laboratory experiment Measured Mollusca Nekton North Atlantic OA-ICC Ocean Acidification International Coordination Centre Optical sensor (HPS-OIW) Optical sensor (PS1 PreSens) Partial pressure of carbon dioxide (water) at sea surface temperature (wet air) Pelagos pH Salinity Sepia officinalis haemolymph standard deviation Gutowska, Magdalena A Melzner, Frank Langenbuch, M Bock, C Claireaux, Guy Pörtner, Hans-Otto Seawater carbonate chemistry and biological processes of Sepia officinalis during experiments, 2010 |
topic_facet |
Acid-base regulation Alkalinity total Animalia Aragonite saturation state Behaviour Bicarbonate Bicarbonate ion BIOACID Biological Impacts of Ocean Acidification Calcite saturation state Calculated Calculated using CO2SYS Calculated using seacarb after Nisumaa et al. (2010) Carbon inorganic dissolved Carbonate ion Carbonate system computation flag Carbon dioxide partial pressure Coast and continental shelf Containers and aquaria (20-1000 L or < 1 m**2) EPOCA EUR-OCEANS European network of excellence for Ocean Ecosystems Analysis European Project on Ocean Acidification Experimental treatment Fugacity of carbon dioxide (water) at sea surface temperature (wet air) Incubation duration Laboratory experiment Measured Mollusca Nekton North Atlantic OA-ICC Ocean Acidification International Coordination Centre Optical sensor (HPS-OIW) Optical sensor (PS1 PreSens) Partial pressure of carbon dioxide (water) at sea surface temperature (wet air) Pelagos pH Salinity Sepia officinalis haemolymph standard deviation |
description |
Acidification of ocean surface waters by anthropogenic carbon dioxide (CO2) emissions is a currently developing scenario that warrants a broadening of research foci in the study of acid-base physiology. Recent studies working with environmentally relevant CO2 levels, indicate that some echinoderms and molluscs reduce metabolic rates, soft tissue growth and calcification during hypercapnic exposure. In contrast to all prior invertebrate species studied so far, growth trials with the cuttlefish Sepia officinalis found no indication of reduced growth or calcification performance during long-term exposure to 0.6 kPa CO2. It is hypothesized that the differing sensitivities to elevated seawater pCO2 could be explained by taxa specific differences in acid-base regulatory capacity. In this study, we examined the acid-base regulatory ability of S. officinalis in vivo, using a specially modified cannulation technique as well as 31P NMR spectroscopy. During acute exposure to 0.6 kPa CO2, S. officinalis rapidly increased its blood [HCO3] to 10.4 mM through active ion-transport processes, and partially compensated the hypercapnia induced respiratory acidosis. A minor decrease in intracellular pH (pHi) and stable intracellular phosphagen levels indicated efficient pHi regulation. We conclude that S. officinalis is not only an efficient acid-base regulator, but is also able to do so without disturbing metabolic equilibria in characteristic tissues or compromising aerobic capacities. The cuttlefish did not exhibit acute intolerance to hypercapnia that has been hypothesized for more active cephalopod species (squid). Even though blood pH (pHe) remained 0.18 pH units below control values, arterial O2 saturation was not compromised in S. officinalis because of the comparatively lower pH sensitivity of oxygen binding to its blood pigment. This raises questions concerning the potentially broad range of sensitivity to changes in acid-base status amongst invertebrates, as well as to the underlying mechanistic origins. Further studies ... |
format |
Dataset |
author |
Gutowska, Magdalena A Melzner, Frank Langenbuch, M Bock, C Claireaux, Guy Pörtner, Hans-Otto |
author_facet |
Gutowska, Magdalena A Melzner, Frank Langenbuch, M Bock, C Claireaux, Guy Pörtner, Hans-Otto |
author_sort |
Gutowska, Magdalena A |
title |
Seawater carbonate chemistry and biological processes of Sepia officinalis during experiments, 2010 |
title_short |
Seawater carbonate chemistry and biological processes of Sepia officinalis during experiments, 2010 |
title_full |
Seawater carbonate chemistry and biological processes of Sepia officinalis during experiments, 2010 |
title_fullStr |
Seawater carbonate chemistry and biological processes of Sepia officinalis during experiments, 2010 |
title_full_unstemmed |
Seawater carbonate chemistry and biological processes of Sepia officinalis during experiments, 2010 |
title_sort |
seawater carbonate chemistry and biological processes of sepia officinalis during experiments, 2010 |
publisher |
PANGAEA |
publishDate |
2010 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.757991 https://doi.org/10.1594/PANGAEA.757991 |
genre |
North Atlantic Ocean acidification |
genre_facet |
North Atlantic Ocean acidification |
op_source |
Supplement to: Gutowska, Magdalena A; Melzner, Frank; Langenbuch, M; Bock, C; Claireaux, Guy; Pörtner, Hans-Otto (2010): Acid–base regulatory ability of the cephalopod (Sepia officinalis) in response to environmental hypercapnia. Journal of Comparative Physiology B-Biochemical Systemic and Environmentalphysiology, 180(3), 323-335, https://doi.org/10.1007/s00360-009-0412-y |
op_relation |
https://doi.pangaea.de/10.1594/PANGAEA.757991 https://doi.org/10.1594/PANGAEA.757991 |
op_rights |
CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1594/PANGAEA.75799110.1007/s00360-009-0412-y |
_version_ |
1810464884494696448 |
spelling |
ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.757991 2024-09-15T18:24:31+00:00 Seawater carbonate chemistry and biological processes of Sepia officinalis during experiments, 2010 Gutowska, Magdalena A Melzner, Frank Langenbuch, M Bock, C Claireaux, Guy Pörtner, Hans-Otto 2010 text/tab-separated-values, 1725 data points https://doi.pangaea.de/10.1594/PANGAEA.757991 https://doi.org/10.1594/PANGAEA.757991 en eng PANGAEA https://doi.pangaea.de/10.1594/PANGAEA.757991 https://doi.org/10.1594/PANGAEA.757991 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess Supplement to: Gutowska, Magdalena A; Melzner, Frank; Langenbuch, M; Bock, C; Claireaux, Guy; Pörtner, Hans-Otto (2010): Acid–base regulatory ability of the cephalopod (Sepia officinalis) in response to environmental hypercapnia. Journal of Comparative Physiology B-Biochemical Systemic and Environmentalphysiology, 180(3), 323-335, https://doi.org/10.1007/s00360-009-0412-y Acid-base regulation Alkalinity total Animalia Aragonite saturation state Behaviour Bicarbonate Bicarbonate ion BIOACID Biological Impacts of Ocean Acidification Calcite saturation state Calculated Calculated using CO2SYS Calculated using seacarb after Nisumaa et al. (2010) Carbon inorganic dissolved Carbonate ion Carbonate system computation flag Carbon dioxide partial pressure Coast and continental shelf Containers and aquaria (20-1000 L or < 1 m**2) EPOCA EUR-OCEANS European network of excellence for Ocean Ecosystems Analysis European Project on Ocean Acidification Experimental treatment Fugacity of carbon dioxide (water) at sea surface temperature (wet air) Incubation duration Laboratory experiment Measured Mollusca Nekton North Atlantic OA-ICC Ocean Acidification International Coordination Centre Optical sensor (HPS-OIW) Optical sensor (PS1 PreSens) Partial pressure of carbon dioxide (water) at sea surface temperature (wet air) Pelagos pH Salinity Sepia officinalis haemolymph standard deviation dataset 2010 ftpangaea https://doi.org/10.1594/PANGAEA.75799110.1007/s00360-009-0412-y 2024-07-24T02:31:31Z Acidification of ocean surface waters by anthropogenic carbon dioxide (CO2) emissions is a currently developing scenario that warrants a broadening of research foci in the study of acid-base physiology. Recent studies working with environmentally relevant CO2 levels, indicate that some echinoderms and molluscs reduce metabolic rates, soft tissue growth and calcification during hypercapnic exposure. In contrast to all prior invertebrate species studied so far, growth trials with the cuttlefish Sepia officinalis found no indication of reduced growth or calcification performance during long-term exposure to 0.6 kPa CO2. It is hypothesized that the differing sensitivities to elevated seawater pCO2 could be explained by taxa specific differences in acid-base regulatory capacity. In this study, we examined the acid-base regulatory ability of S. officinalis in vivo, using a specially modified cannulation technique as well as 31P NMR spectroscopy. During acute exposure to 0.6 kPa CO2, S. officinalis rapidly increased its blood [HCO3] to 10.4 mM through active ion-transport processes, and partially compensated the hypercapnia induced respiratory acidosis. A minor decrease in intracellular pH (pHi) and stable intracellular phosphagen levels indicated efficient pHi regulation. We conclude that S. officinalis is not only an efficient acid-base regulator, but is also able to do so without disturbing metabolic equilibria in characteristic tissues or compromising aerobic capacities. The cuttlefish did not exhibit acute intolerance to hypercapnia that has been hypothesized for more active cephalopod species (squid). Even though blood pH (pHe) remained 0.18 pH units below control values, arterial O2 saturation was not compromised in S. officinalis because of the comparatively lower pH sensitivity of oxygen binding to its blood pigment. This raises questions concerning the potentially broad range of sensitivity to changes in acid-base status amongst invertebrates, as well as to the underlying mechanistic origins. Further studies ... Dataset North Atlantic Ocean acidification PANGAEA - Data Publisher for Earth & Environmental Science |