Data of photosynthesis and mineralogy of Jania rubens at low pH/high pCO2
Corallinales (Rhodophyta) are high Mg-calcite macroalgae and are considered among the most vulnerable organisms to ocean acidification (OA). These sensitive species play fundamental roles in coastal systems as food source and settlement promoters as well as being involved in reef stabilization, and...
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ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.900624 2023-05-15T17:52:09+02:00 Data of photosynthesis and mineralogy of Jania rubens at low pH/high pCO2 Porzio, Lucia Buia, Maria-Cristina Ferretti, Viviana Lorenti, Maurizio Rossi, Manuela Trifuoggi, Marco Vergara, Alessandro Arena, Carmen LATITUDE: 40.730820 * LONGITUDE: 13.951480 * DATE/TIME START: 2008-05-01T00:00:00 * DATE/TIME END: 2008-05-31T00:00:00 2019-04-24 text/tab-separated-values, 855 data points https://doi.pangaea.de/10.1594/PANGAEA.900624 https://doi.org/10.1594/PANGAEA.900624 en eng PANGAEA https://doi.pangaea.de/10.1594/PANGAEA.900624 https://doi.org/10.1594/PANGAEA.900624 CC-BY-4.0: Creative Commons Attribution 4.0 International Access constraints: unrestricted info:eu-repo/semantics/openAccess CC-BY Supplement to: Porzio, Lucia; Buia, Maria-Cristina; Ferretti, Viviana; Lorenti, Maurizio; Rossi, Manuela; Trifuoggi, Marco; Vergara, Alessandro; Arena, Carmen (2018): Photosynthesis and mineralogy of Jania rubens at low pH/high pCO2: A future perspective. Science of the Total Environment, 628-629, 375-383, https://doi.org/10.1016/j.scitotenv.2018.02.065 Castello_Aragonese Effective photochemical quantum yield Electron transport rate relative EXP Experiment Irradiance Maximum photochemical quantum yield of photosystem II Non photochemical quenching RuBisCO protein expression Treatment Dataset 2019 ftpangaea https://doi.org/10.1594/PANGAEA.900624 https://doi.org/10.1016/j.scitotenv.2018.02.065 2023-01-20T09:12:19Z Corallinales (Rhodophyta) are high Mg-calcite macroalgae and are considered among the most vulnerable organisms to ocean acidification (OA). These sensitive species play fundamental roles in coastal systems as food source and settlement promoters as well as being involved in reef stabilization, and water carbonate balance. At present only a few studies are focused on erect calcifying macroalgae under low pH/high pCO2 and the contrasting results make difficult to predict the ecological consequences of the OA on the coralline algae. In this paper the physiological reasons behind the resistance of Jania rubens, one of the most common calcareous species, to changing ocean pH are analysed. In particular, we studied the photosynthetic and mineralogical response of J. rubens after a three-week transplant in a natural CO2 vent system. The overall results showed that J. rubens could be able to survive under predicted pH conditions even though with a reduced fitness; nevertheless physiological limits prevent the growth and survival of the species at pH 6.7. At low pH (i.e. pH 7.5), the maximum and effective PSII efficiency decreased even if the increase of Rubisco expression suggests a compensation effort of the species to cope with the decreased light-driven products. In these circumstances, a pH-driven bleaching phenomenon was also observed. Even though the photosynthesis decreased at low pH, J. rubens maintained unchanged the mineralogical composition and the carbonate content in the cell wall, suggesting that the calcification process may also have a physiological relevance in addition to a structural and/or a protective role. Further studies will confirm the hypotheses on the functional and evolutionary role of the calcification process in coralline algae and on the ecological consequences of the community composition changes under high pCO2 oceans. Dataset Ocean acidification PANGAEA - Data Publisher for Earth & Environmental Science ENVELOPE(13.951480,13.951480,40.730820,40.730820) |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
Castello_Aragonese Effective photochemical quantum yield Electron transport rate relative EXP Experiment Irradiance Maximum photochemical quantum yield of photosystem II Non photochemical quenching RuBisCO protein expression Treatment |
spellingShingle |
Castello_Aragonese Effective photochemical quantum yield Electron transport rate relative EXP Experiment Irradiance Maximum photochemical quantum yield of photosystem II Non photochemical quenching RuBisCO protein expression Treatment Porzio, Lucia Buia, Maria-Cristina Ferretti, Viviana Lorenti, Maurizio Rossi, Manuela Trifuoggi, Marco Vergara, Alessandro Arena, Carmen Data of photosynthesis and mineralogy of Jania rubens at low pH/high pCO2 |
topic_facet |
Castello_Aragonese Effective photochemical quantum yield Electron transport rate relative EXP Experiment Irradiance Maximum photochemical quantum yield of photosystem II Non photochemical quenching RuBisCO protein expression Treatment |
description |
Corallinales (Rhodophyta) are high Mg-calcite macroalgae and are considered among the most vulnerable organisms to ocean acidification (OA). These sensitive species play fundamental roles in coastal systems as food source and settlement promoters as well as being involved in reef stabilization, and water carbonate balance. At present only a few studies are focused on erect calcifying macroalgae under low pH/high pCO2 and the contrasting results make difficult to predict the ecological consequences of the OA on the coralline algae. In this paper the physiological reasons behind the resistance of Jania rubens, one of the most common calcareous species, to changing ocean pH are analysed. In particular, we studied the photosynthetic and mineralogical response of J. rubens after a three-week transplant in a natural CO2 vent system. The overall results showed that J. rubens could be able to survive under predicted pH conditions even though with a reduced fitness; nevertheless physiological limits prevent the growth and survival of the species at pH 6.7. At low pH (i.e. pH 7.5), the maximum and effective PSII efficiency decreased even if the increase of Rubisco expression suggests a compensation effort of the species to cope with the decreased light-driven products. In these circumstances, a pH-driven bleaching phenomenon was also observed. Even though the photosynthesis decreased at low pH, J. rubens maintained unchanged the mineralogical composition and the carbonate content in the cell wall, suggesting that the calcification process may also have a physiological relevance in addition to a structural and/or a protective role. Further studies will confirm the hypotheses on the functional and evolutionary role of the calcification process in coralline algae and on the ecological consequences of the community composition changes under high pCO2 oceans. |
format |
Dataset |
author |
Porzio, Lucia Buia, Maria-Cristina Ferretti, Viviana Lorenti, Maurizio Rossi, Manuela Trifuoggi, Marco Vergara, Alessandro Arena, Carmen |
author_facet |
Porzio, Lucia Buia, Maria-Cristina Ferretti, Viviana Lorenti, Maurizio Rossi, Manuela Trifuoggi, Marco Vergara, Alessandro Arena, Carmen |
author_sort |
Porzio, Lucia |
title |
Data of photosynthesis and mineralogy of Jania rubens at low pH/high pCO2 |
title_short |
Data of photosynthesis and mineralogy of Jania rubens at low pH/high pCO2 |
title_full |
Data of photosynthesis and mineralogy of Jania rubens at low pH/high pCO2 |
title_fullStr |
Data of photosynthesis and mineralogy of Jania rubens at low pH/high pCO2 |
title_full_unstemmed |
Data of photosynthesis and mineralogy of Jania rubens at low pH/high pCO2 |
title_sort |
data of photosynthesis and mineralogy of jania rubens at low ph/high pco2 |
publisher |
PANGAEA |
publishDate |
2019 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.900624 https://doi.org/10.1594/PANGAEA.900624 |
op_coverage |
LATITUDE: 40.730820 * LONGITUDE: 13.951480 * DATE/TIME START: 2008-05-01T00:00:00 * DATE/TIME END: 2008-05-31T00:00:00 |
long_lat |
ENVELOPE(13.951480,13.951480,40.730820,40.730820) |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_source |
Supplement to: Porzio, Lucia; Buia, Maria-Cristina; Ferretti, Viviana; Lorenti, Maurizio; Rossi, Manuela; Trifuoggi, Marco; Vergara, Alessandro; Arena, Carmen (2018): Photosynthesis and mineralogy of Jania rubens at low pH/high pCO2: A future perspective. Science of the Total Environment, 628-629, 375-383, https://doi.org/10.1016/j.scitotenv.2018.02.065 |
op_relation |
https://doi.pangaea.de/10.1594/PANGAEA.900624 https://doi.org/10.1594/PANGAEA.900624 |
op_rights |
CC-BY-4.0: Creative Commons Attribution 4.0 International Access constraints: unrestricted info:eu-repo/semantics/openAccess |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1594/PANGAEA.900624 https://doi.org/10.1016/j.scitotenv.2018.02.065 |
_version_ |
1766159509583036416 |