Growth response of an early successional assemblage of coralline algae and benthic diatoms to ocean acidification, supplement to: James, Rebecca K; Hepburn, Christopher D; Cornwall, Christopher Edward; McGraw, Christina M; Hurd, Catriona L (2014): Growth response of an early successional assemblage of coralline algae and benthic diatoms to ocean acidification. Marine Biology, 161(7), 1687-1696
The sustained absorption of anthropogenically released atmospheric CO2 by the oceans is modifying seawater carbonate chemistry, a process termed ocean acidification (OA). By the year 2100, the worst case scenario is a decline in the average oceanic surface seawater pH by 0.3 units to 7.75. The chang...
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Format: | Dataset |
Language: | English |
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PANGAEA - Data Publisher for Earth & Environmental Science
2014
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Online Access: | https://dx.doi.org/10.1594/pangaea.833741 https://doi.pangaea.de/10.1594/PANGAEA.833741 |
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ftdatacite:10.1594/pangaea.833741 |
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record_format |
openpolar |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
English |
topic |
Benthos Bottles or small containers/Aquaria <20 L Coast and continental shelf Community composition and diversity Entire community Growth/Morphology Laboratory experiment Rocky-shore community South Pacific Temperate Species Treatment Area in square milimeter Area, standard error Category Percentage Percentage, standard error Temperature, water Temperature, water, standard deviation Alkalinity, total Alkalinity, total, standard error pH pH, standard deviation Salinity Carbonate system computation flag Carbon dioxide Partial pressure of carbon dioxide water at sea surface temperature wet air Fugacity of carbon dioxide water at sea surface temperature wet air Bicarbonate ion Carbonate ion Carbon, inorganic, dissolved Aragonite saturation state Calcite saturation state Experiment Potentiometric titration Potentiometric Calculated using seacarb after Nisumaa et al. 2010 Ocean Acidification International Coordination Centre OA-ICC |
spellingShingle |
Benthos Bottles or small containers/Aquaria <20 L Coast and continental shelf Community composition and diversity Entire community Growth/Morphology Laboratory experiment Rocky-shore community South Pacific Temperate Species Treatment Area in square milimeter Area, standard error Category Percentage Percentage, standard error Temperature, water Temperature, water, standard deviation Alkalinity, total Alkalinity, total, standard error pH pH, standard deviation Salinity Carbonate system computation flag Carbon dioxide Partial pressure of carbon dioxide water at sea surface temperature wet air Fugacity of carbon dioxide water at sea surface temperature wet air Bicarbonate ion Carbonate ion Carbon, inorganic, dissolved Aragonite saturation state Calcite saturation state Experiment Potentiometric titration Potentiometric Calculated using seacarb after Nisumaa et al. 2010 Ocean Acidification International Coordination Centre OA-ICC James, Rebecca K Hepburn, Christopher D Cornwall, Christopher Edward McGraw, Christina M Hurd, Catriona L Growth response of an early successional assemblage of coralline algae and benthic diatoms to ocean acidification, supplement to: James, Rebecca K; Hepburn, Christopher D; Cornwall, Christopher Edward; McGraw, Christina M; Hurd, Catriona L (2014): Growth response of an early successional assemblage of coralline algae and benthic diatoms to ocean acidification. Marine Biology, 161(7), 1687-1696 |
topic_facet |
Benthos Bottles or small containers/Aquaria <20 L Coast and continental shelf Community composition and diversity Entire community Growth/Morphology Laboratory experiment Rocky-shore community South Pacific Temperate Species Treatment Area in square milimeter Area, standard error Category Percentage Percentage, standard error Temperature, water Temperature, water, standard deviation Alkalinity, total Alkalinity, total, standard error pH pH, standard deviation Salinity Carbonate system computation flag Carbon dioxide Partial pressure of carbon dioxide water at sea surface temperature wet air Fugacity of carbon dioxide water at sea surface temperature wet air Bicarbonate ion Carbonate ion Carbon, inorganic, dissolved Aragonite saturation state Calcite saturation state Experiment Potentiometric titration Potentiometric Calculated using seacarb after Nisumaa et al. 2010 Ocean Acidification International Coordination Centre OA-ICC |
description |
The sustained absorption of anthropogenically released atmospheric CO2 by the oceans is modifying seawater carbonate chemistry, a process termed ocean acidification (OA). By the year 2100, the worst case scenario is a decline in the average oceanic surface seawater pH by 0.3 units to 7.75. The changing seawater carbonate chemistry is predicted to negatively affect many marine species, particularly calcifying organisms such as coralline algae, while species such as diatoms and fleshy seaweed are predicted to be little affected or may even benefit from OA. It has been hypothesized in previous work that the direct negative effects imposed on coralline algae, and the direct positive effects on fleshy seaweeds and diatoms under a future high CO2 ocean could result in a reduced ability of corallines to compete with diatoms and fleshy seaweed for space in the future. In a 6-week laboratory experiment, we examined the effect of pH 7.60 (pH predicted to occur due to ocean acidification just beyond the year 2100) compared to pH 8.05 (present day) on the lateral growth rates of an early successional, cold-temperate species assemblage dominated by crustose coralline algae and benthic diatoms. Crustose coralline algae and benthic diatoms maintained positive growth rates in both pH treatments. The growth rates of coralline algae were three times lower at pH 7.60, and a non-significant decline in diatom growth meant that proportions of the two functional groups remained similar over the course of the experiment. Our results do not support our hypothesis that benthic diatoms will outcompete crustose coralline algae under future pH conditions. However, while crustose coralline algae were able to maintain their presence in this benthic rocky reef species assemblage, the reduced growth rates suggest that they will be less capable of recolonizing after disturbance events, which could result in reduced coralline cover under OA conditions. : In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Lavigne et al, 2014) was used to compute a complete and consistent set of carbonate system variables, as described by Nisumaa et al. (2010). In this dataset the original values were archived in addition with the recalculated parameters (see related PI). The date of carbonate chemistry calculation is 2014-07-02. |
format |
Dataset |
author |
James, Rebecca K Hepburn, Christopher D Cornwall, Christopher Edward McGraw, Christina M Hurd, Catriona L |
author_facet |
James, Rebecca K Hepburn, Christopher D Cornwall, Christopher Edward McGraw, Christina M Hurd, Catriona L |
author_sort |
James, Rebecca K |
title |
Growth response of an early successional assemblage of coralline algae and benthic diatoms to ocean acidification, supplement to: James, Rebecca K; Hepburn, Christopher D; Cornwall, Christopher Edward; McGraw, Christina M; Hurd, Catriona L (2014): Growth response of an early successional assemblage of coralline algae and benthic diatoms to ocean acidification. Marine Biology, 161(7), 1687-1696 |
title_short |
Growth response of an early successional assemblage of coralline algae and benthic diatoms to ocean acidification, supplement to: James, Rebecca K; Hepburn, Christopher D; Cornwall, Christopher Edward; McGraw, Christina M; Hurd, Catriona L (2014): Growth response of an early successional assemblage of coralline algae and benthic diatoms to ocean acidification. Marine Biology, 161(7), 1687-1696 |
title_full |
Growth response of an early successional assemblage of coralline algae and benthic diatoms to ocean acidification, supplement to: James, Rebecca K; Hepburn, Christopher D; Cornwall, Christopher Edward; McGraw, Christina M; Hurd, Catriona L (2014): Growth response of an early successional assemblage of coralline algae and benthic diatoms to ocean acidification. Marine Biology, 161(7), 1687-1696 |
title_fullStr |
Growth response of an early successional assemblage of coralline algae and benthic diatoms to ocean acidification, supplement to: James, Rebecca K; Hepburn, Christopher D; Cornwall, Christopher Edward; McGraw, Christina M; Hurd, Catriona L (2014): Growth response of an early successional assemblage of coralline algae and benthic diatoms to ocean acidification. Marine Biology, 161(7), 1687-1696 |
title_full_unstemmed |
Growth response of an early successional assemblage of coralline algae and benthic diatoms to ocean acidification, supplement to: James, Rebecca K; Hepburn, Christopher D; Cornwall, Christopher Edward; McGraw, Christina M; Hurd, Catriona L (2014): Growth response of an early successional assemblage of coralline algae and benthic diatoms to ocean acidification. Marine Biology, 161(7), 1687-1696 |
title_sort |
growth response of an early successional assemblage of coralline algae and benthic diatoms to ocean acidification, supplement to: james, rebecca k; hepburn, christopher d; cornwall, christopher edward; mcgraw, christina m; hurd, catriona l (2014): growth response of an early successional assemblage of coralline algae and benthic diatoms to ocean acidification. marine biology, 161(7), 1687-1696 |
publisher |
PANGAEA - Data Publisher for Earth & Environmental Science |
publishDate |
2014 |
url |
https://dx.doi.org/10.1594/pangaea.833741 https://doi.pangaea.de/10.1594/PANGAEA.833741 |
long_lat |
ENVELOPE(-59.688,-59.688,-62.366,-62.366) ENVELOPE(-60.366,-60.366,-62.682,-62.682) |
geographic |
Pacific Cornwall Hurd |
geographic_facet |
Pacific Cornwall Hurd |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_relation |
https://cran.r-project.org/package=seacarb https://dx.doi.org/10.1007/s00227-014-2453-3 https://cran.r-project.org/package=seacarb |
op_rights |
Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1594/pangaea.833741 https://doi.org/10.1007/s00227-014-2453-3 |
_version_ |
1766156676361093120 |
spelling |
ftdatacite:10.1594/pangaea.833741 2023-05-15T17:50:05+02:00 Growth response of an early successional assemblage of coralline algae and benthic diatoms to ocean acidification, supplement to: James, Rebecca K; Hepburn, Christopher D; Cornwall, Christopher Edward; McGraw, Christina M; Hurd, Catriona L (2014): Growth response of an early successional assemblage of coralline algae and benthic diatoms to ocean acidification. Marine Biology, 161(7), 1687-1696 James, Rebecca K Hepburn, Christopher D Cornwall, Christopher Edward McGraw, Christina M Hurd, Catriona L 2014 text/tab-separated-values https://dx.doi.org/10.1594/pangaea.833741 https://doi.pangaea.de/10.1594/PANGAEA.833741 en eng PANGAEA - Data Publisher for Earth & Environmental Science https://cran.r-project.org/package=seacarb https://dx.doi.org/10.1007/s00227-014-2453-3 https://cran.r-project.org/package=seacarb Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 CC-BY Benthos Bottles or small containers/Aquaria <20 L Coast and continental shelf Community composition and diversity Entire community Growth/Morphology Laboratory experiment Rocky-shore community South Pacific Temperate Species Treatment Area in square milimeter Area, standard error Category Percentage Percentage, standard error Temperature, water Temperature, water, standard deviation Alkalinity, total Alkalinity, total, standard error pH pH, standard deviation Salinity Carbonate system computation flag Carbon dioxide Partial pressure of carbon dioxide water at sea surface temperature wet air Fugacity of carbon dioxide water at sea surface temperature wet air Bicarbonate ion Carbonate ion Carbon, inorganic, dissolved Aragonite saturation state Calcite saturation state Experiment Potentiometric titration Potentiometric Calculated using seacarb after Nisumaa et al. 2010 Ocean Acidification International Coordination Centre OA-ICC Supplementary Dataset dataset Dataset 2014 ftdatacite https://doi.org/10.1594/pangaea.833741 https://doi.org/10.1007/s00227-014-2453-3 2021-11-05T12:55:41Z The sustained absorption of anthropogenically released atmospheric CO2 by the oceans is modifying seawater carbonate chemistry, a process termed ocean acidification (OA). By the year 2100, the worst case scenario is a decline in the average oceanic surface seawater pH by 0.3 units to 7.75. The changing seawater carbonate chemistry is predicted to negatively affect many marine species, particularly calcifying organisms such as coralline algae, while species such as diatoms and fleshy seaweed are predicted to be little affected or may even benefit from OA. It has been hypothesized in previous work that the direct negative effects imposed on coralline algae, and the direct positive effects on fleshy seaweeds and diatoms under a future high CO2 ocean could result in a reduced ability of corallines to compete with diatoms and fleshy seaweed for space in the future. In a 6-week laboratory experiment, we examined the effect of pH 7.60 (pH predicted to occur due to ocean acidification just beyond the year 2100) compared to pH 8.05 (present day) on the lateral growth rates of an early successional, cold-temperate species assemblage dominated by crustose coralline algae and benthic diatoms. Crustose coralline algae and benthic diatoms maintained positive growth rates in both pH treatments. The growth rates of coralline algae were three times lower at pH 7.60, and a non-significant decline in diatom growth meant that proportions of the two functional groups remained similar over the course of the experiment. Our results do not support our hypothesis that benthic diatoms will outcompete crustose coralline algae under future pH conditions. However, while crustose coralline algae were able to maintain their presence in this benthic rocky reef species assemblage, the reduced growth rates suggest that they will be less capable of recolonizing after disturbance events, which could result in reduced coralline cover under OA conditions. : In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Lavigne et al, 2014) was used to compute a complete and consistent set of carbonate system variables, as described by Nisumaa et al. (2010). In this dataset the original values were archived in addition with the recalculated parameters (see related PI). The date of carbonate chemistry calculation is 2014-07-02. Dataset Ocean acidification DataCite Metadata Store (German National Library of Science and Technology) Pacific Cornwall ENVELOPE(-59.688,-59.688,-62.366,-62.366) Hurd ENVELOPE(-60.366,-60.366,-62.682,-62.682) |