Small copepods could channel missing carbon through metazoan predation
11 pages, 3 figures, 1 tabla.-- This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited Global ecosystem models are essential tools for predicting climate...
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Online Access: | http://hdl.handle.net/10261/173103 https://doi.org/10.1002/ece3.4546 https://doi.org/10.13039/501100003329 |
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ftcsic:oai:digital.csic.es:10261/173103 2024-02-11T10:06:37+01:00 Small copepods could channel missing carbon through metazoan predation Roura, Álvaro Strugnell, Jan M. Guerra, Ángel González, Ángel F. Richardson, Anthony J. Ministerio de Economía y Competitividad (España) 2018 http://hdl.handle.net/10261/173103 https://doi.org/10.1002/ece3.4546 https://doi.org/10.13039/501100003329 en eng John Wiley & Sons #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CTM2015-69519-R Publisher's version https://doi.org/10.1002/ece3.4546 Sí Ecology and Evolution 8(22): 10868–10878 (2018) 2045-7758 http://hdl.handle.net/10261/173103 doi:10.1002/ece3.4546 http://dx.doi.org/10.13039/501100003329 30519413 open Biogenic fluxes Biological pump Carbon sink Climate change Copepods Fisheries Global ecosystem models Trophic ecology Zooplankton artículo http://purl.org/coar/resource_type/c_6501 2018 ftcsic https://doi.org/10.1002/ece3.454610.13039/501100003329 2024-01-16T10:34:29Z 11 pages, 3 figures, 1 tabla.-- This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited Global ecosystem models are essential tools for predicting climate change impacts on marine systems. Modeled biogenic carbon fluxes in the ocean often match measured data poorly and part of this could be because small copepods (<2 mm) are modeled as unicellular feeders grazing on phytoplankton and microzooplankton. The most abundant copepods from a seasonal upwelling region of the Eastern North Atlantic were sorted, and a molecular method was applied to copepod gut contents to evaluate the extent of metazoan predation under two oceanographic conditions, a trophic pathway not accounted for in global models. Scaling up the results obtained herein, based on published field and laboratory estimates, suggests that small copepods could ingest 1.79–27.20 gigatons C/year globally. This ignored metazoan‐copepod link could increase current estimates of biogeochemical fluxes (remineralization, respiration, and the biological pump) and export to higher trophic levels by 15.6%–24.4%. It could also account for global discrepancies between measured daily ingestion and copepod metabolic demand/growth. The inclusion of metazoan predation into global models could provide a more realistic role of the copepods in the ocean and if these preliminary data hold true at larger sample sizes and scales, the implications would be substantial at the global scale La Trobe University; Fundación Pedro Barrié de la Maza, Grant/Award Number: 3003197/2013; Ministerio de Ciencia e Innovación, Grant/Award Number: CAIBEX (CTM2007-66408-C02), LARECO (CTM2011-25929) and CALECO (CTM2015- 69519-R Peer reviewed Article in Journal/Newspaper North Atlantic Copepods Digital.CSIC (Spanish National Research Council) Ecology and Evolution 8 22 10868 10878 |
institution |
Open Polar |
collection |
Digital.CSIC (Spanish National Research Council) |
op_collection_id |
ftcsic |
language |
English |
topic |
Biogenic fluxes Biological pump Carbon sink Climate change Copepods Fisheries Global ecosystem models Trophic ecology Zooplankton |
spellingShingle |
Biogenic fluxes Biological pump Carbon sink Climate change Copepods Fisheries Global ecosystem models Trophic ecology Zooplankton Roura, Álvaro Strugnell, Jan M. Guerra, Ángel González, Ángel F. Richardson, Anthony J. Small copepods could channel missing carbon through metazoan predation |
topic_facet |
Biogenic fluxes Biological pump Carbon sink Climate change Copepods Fisheries Global ecosystem models Trophic ecology Zooplankton |
description |
11 pages, 3 figures, 1 tabla.-- This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited Global ecosystem models are essential tools for predicting climate change impacts on marine systems. Modeled biogenic carbon fluxes in the ocean often match measured data poorly and part of this could be because small copepods (<2 mm) are modeled as unicellular feeders grazing on phytoplankton and microzooplankton. The most abundant copepods from a seasonal upwelling region of the Eastern North Atlantic were sorted, and a molecular method was applied to copepod gut contents to evaluate the extent of metazoan predation under two oceanographic conditions, a trophic pathway not accounted for in global models. Scaling up the results obtained herein, based on published field and laboratory estimates, suggests that small copepods could ingest 1.79–27.20 gigatons C/year globally. This ignored metazoan‐copepod link could increase current estimates of biogeochemical fluxes (remineralization, respiration, and the biological pump) and export to higher trophic levels by 15.6%–24.4%. It could also account for global discrepancies between measured daily ingestion and copepod metabolic demand/growth. The inclusion of metazoan predation into global models could provide a more realistic role of the copepods in the ocean and if these preliminary data hold true at larger sample sizes and scales, the implications would be substantial at the global scale La Trobe University; Fundación Pedro Barrié de la Maza, Grant/Award Number: 3003197/2013; Ministerio de Ciencia e Innovación, Grant/Award Number: CAIBEX (CTM2007-66408-C02), LARECO (CTM2011-25929) and CALECO (CTM2015- 69519-R Peer reviewed |
author2 |
Ministerio de Economía y Competitividad (España) |
format |
Article in Journal/Newspaper |
author |
Roura, Álvaro Strugnell, Jan M. Guerra, Ángel González, Ángel F. Richardson, Anthony J. |
author_facet |
Roura, Álvaro Strugnell, Jan M. Guerra, Ángel González, Ángel F. Richardson, Anthony J. |
author_sort |
Roura, Álvaro |
title |
Small copepods could channel missing carbon through metazoan predation |
title_short |
Small copepods could channel missing carbon through metazoan predation |
title_full |
Small copepods could channel missing carbon through metazoan predation |
title_fullStr |
Small copepods could channel missing carbon through metazoan predation |
title_full_unstemmed |
Small copepods could channel missing carbon through metazoan predation |
title_sort |
small copepods could channel missing carbon through metazoan predation |
publisher |
John Wiley & Sons |
publishDate |
2018 |
url |
http://hdl.handle.net/10261/173103 https://doi.org/10.1002/ece3.4546 https://doi.org/10.13039/501100003329 |
genre |
North Atlantic Copepods |
genre_facet |
North Atlantic Copepods |
op_relation |
#PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CTM2015-69519-R Publisher's version https://doi.org/10.1002/ece3.4546 Sí Ecology and Evolution 8(22): 10868–10878 (2018) 2045-7758 http://hdl.handle.net/10261/173103 doi:10.1002/ece3.4546 http://dx.doi.org/10.13039/501100003329 30519413 |
op_rights |
open |
op_doi |
https://doi.org/10.1002/ece3.454610.13039/501100003329 |
container_title |
Ecology and Evolution |
container_volume |
8 |
container_issue |
22 |
container_start_page |
10868 |
op_container_end_page |
10878 |
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1790604432950427648 |