Phytoplankton responses and associated carbon cycling during shipboard carbonate chemistry manipulation experiments conducted around Northwest European shelf seas
The ongoing oceanic uptake of anthropogenic carbon dioxide (CO 2 ) is significantly altering the carbonate chemistry of seawater, a phenomenon referred to as ocean acidification. Experimental manipulations have been increasingly used to gauge how continued ocean acidification will potentially impact...
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ftdoajarticles:oai:doaj.org/article:53ba3449192544d99a5fed336ce80889 2023-05-15T17:50:44+02:00 Phytoplankton responses and associated carbon cycling during shipboard carbonate chemistry manipulation experiments conducted around Northwest European shelf seas S. Richier E. P. Achterberg C. Dumousseaud A. J. Poulton D. J. Suggett T. Tyrrell M. V. Zubkov C. M. Moore 2014-09-01T00:00:00Z https://doi.org/10.5194/bg-11-4733-2014 https://doaj.org/article/53ba3449192544d99a5fed336ce80889 EN eng Copernicus Publications http://www.biogeosciences.net/11/4733/2014/bg-11-4733-2014.pdf https://doaj.org/toc/1726-4170 https://doaj.org/toc/1726-4189 1726-4170 1726-4189 doi:10.5194/bg-11-4733-2014 https://doaj.org/article/53ba3449192544d99a5fed336ce80889 Biogeosciences, Vol 11, Iss 17, Pp 4733-4752 (2014) Ecology QH540-549.5 Life QH501-531 Geology QE1-996.5 article 2014 ftdoajarticles https://doi.org/10.5194/bg-11-4733-2014 2022-12-31T04:43:36Z The ongoing oceanic uptake of anthropogenic carbon dioxide (CO 2 ) is significantly altering the carbonate chemistry of seawater, a phenomenon referred to as ocean acidification. Experimental manipulations have been increasingly used to gauge how continued ocean acidification will potentially impact marine ecosystems and their associated biogeochemical cycles in the future; however, results amongst studies, particularly when performed on natural communities, are highly variable, which may reflect community/environment-specific responses or inconsistencies in experimental approach. To investigate the potential for identification of more generic responses and greater experimentally reproducibility, we devised and implemented a series ( n = 8) of short-term (2–4 days) multi-level (≥4 conditions) carbonate chemistry/nutrient manipulation experiments on a range of natural microbial communities sampled in Northwest European shelf seas. Carbonate chemistry manipulations and resulting biological responses were found to be highly reproducible within individual experiments and to a lesser extent between geographically separated experiments. Statistically robust reproducible physiological responses of phytoplankton to increasing p CO 2 , characterised by a suppression of net growth for small-sized cells (<10 μm), were observed in the majority of the experiments, irrespective of natural or manipulated nutrient status. Remaining between-experiment variability was potentially linked to initial community structure and/or other site-specific environmental factors. Analysis of carbon cycling within the experiments revealed the expected increased sensitivity of carbonate chemistry to biological processes at higher p CO 2 and hence lower buffer capacity. The results thus emphasise how biogeochemical feedbacks may be altered in the future ocean. Article in Journal/Newspaper Ocean acidification Directory of Open Access Journals: DOAJ Articles Biogeosciences 11 17 4733 4752 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Ecology QH540-549.5 Life QH501-531 Geology QE1-996.5 |
spellingShingle |
Ecology QH540-549.5 Life QH501-531 Geology QE1-996.5 S. Richier E. P. Achterberg C. Dumousseaud A. J. Poulton D. J. Suggett T. Tyrrell M. V. Zubkov C. M. Moore Phytoplankton responses and associated carbon cycling during shipboard carbonate chemistry manipulation experiments conducted around Northwest European shelf seas |
topic_facet |
Ecology QH540-549.5 Life QH501-531 Geology QE1-996.5 |
description |
The ongoing oceanic uptake of anthropogenic carbon dioxide (CO 2 ) is significantly altering the carbonate chemistry of seawater, a phenomenon referred to as ocean acidification. Experimental manipulations have been increasingly used to gauge how continued ocean acidification will potentially impact marine ecosystems and their associated biogeochemical cycles in the future; however, results amongst studies, particularly when performed on natural communities, are highly variable, which may reflect community/environment-specific responses or inconsistencies in experimental approach. To investigate the potential for identification of more generic responses and greater experimentally reproducibility, we devised and implemented a series ( n = 8) of short-term (2–4 days) multi-level (≥4 conditions) carbonate chemistry/nutrient manipulation experiments on a range of natural microbial communities sampled in Northwest European shelf seas. Carbonate chemistry manipulations and resulting biological responses were found to be highly reproducible within individual experiments and to a lesser extent between geographically separated experiments. Statistically robust reproducible physiological responses of phytoplankton to increasing p CO 2 , characterised by a suppression of net growth for small-sized cells (<10 μm), were observed in the majority of the experiments, irrespective of natural or manipulated nutrient status. Remaining between-experiment variability was potentially linked to initial community structure and/or other site-specific environmental factors. Analysis of carbon cycling within the experiments revealed the expected increased sensitivity of carbonate chemistry to biological processes at higher p CO 2 and hence lower buffer capacity. The results thus emphasise how biogeochemical feedbacks may be altered in the future ocean. |
format |
Article in Journal/Newspaper |
author |
S. Richier E. P. Achterberg C. Dumousseaud A. J. Poulton D. J. Suggett T. Tyrrell M. V. Zubkov C. M. Moore |
author_facet |
S. Richier E. P. Achterberg C. Dumousseaud A. J. Poulton D. J. Suggett T. Tyrrell M. V. Zubkov C. M. Moore |
author_sort |
S. Richier |
title |
Phytoplankton responses and associated carbon cycling during shipboard carbonate chemistry manipulation experiments conducted around Northwest European shelf seas |
title_short |
Phytoplankton responses and associated carbon cycling during shipboard carbonate chemistry manipulation experiments conducted around Northwest European shelf seas |
title_full |
Phytoplankton responses and associated carbon cycling during shipboard carbonate chemistry manipulation experiments conducted around Northwest European shelf seas |
title_fullStr |
Phytoplankton responses and associated carbon cycling during shipboard carbonate chemistry manipulation experiments conducted around Northwest European shelf seas |
title_full_unstemmed |
Phytoplankton responses and associated carbon cycling during shipboard carbonate chemistry manipulation experiments conducted around Northwest European shelf seas |
title_sort |
phytoplankton responses and associated carbon cycling during shipboard carbonate chemistry manipulation experiments conducted around northwest european shelf seas |
publisher |
Copernicus Publications |
publishDate |
2014 |
url |
https://doi.org/10.5194/bg-11-4733-2014 https://doaj.org/article/53ba3449192544d99a5fed336ce80889 |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_source |
Biogeosciences, Vol 11, Iss 17, Pp 4733-4752 (2014) |
op_relation |
http://www.biogeosciences.net/11/4733/2014/bg-11-4733-2014.pdf https://doaj.org/toc/1726-4170 https://doaj.org/toc/1726-4189 1726-4170 1726-4189 doi:10.5194/bg-11-4733-2014 https://doaj.org/article/53ba3449192544d99a5fed336ce80889 |
op_doi |
https://doi.org/10.5194/bg-11-4733-2014 |
container_title |
Biogeosciences |
container_volume |
11 |
container_issue |
17 |
container_start_page |
4733 |
op_container_end_page |
4752 |
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1766157623472685056 |