Role of suspension feeders in antarctic pelagic-benthic coupling: Trophic ecology and potential carbon sinks under climate change
15 pages, 7 figures, 5 tables, supplementary data https://doi.org/10.1016/j.marenvres.2019.104790 Sea-ice and coastal glacier loss in the Western Antarctic Peninsula open new ice-free areas. They allowing primary production and providing new seabed for colonisation, both acting as a negative feedbac...
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Online Access: | http://hdl.handle.net/10261/197821 https://doi.org/10.1016/j.marenvres.2019.104790 https://doi.org/10.13039/501100002923 https://doi.org/10.13039/100010442 https://doi.org/10.13039/501100000780 https://doi.org/10.13039/501100010964 https://doi.org/10.13039/501100003207 |
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ftcsic:oai:digital.csic.es:10261/197821 2024-02-11T09:56:36+01:00 Role of suspension feeders in antarctic pelagic-benthic coupling: Trophic ecology and potential carbon sinks under climate change Alurralde, Gastón Fuentes, Veronica Maggioni, Tamara Movilla, Juan Ignacio Olariaga, Alejandro Orejas, Covadonga Schloss, Irene R. Tatián, Marcos Fondation Total European Commission Instituto Antártico Argentino Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research (Germany) Consejo Nacional de Investigaciones Científicas y Técnicas (Argentina) Universidad Nacional de Córdoba (Argentina) 2019-12 http://hdl.handle.net/10261/197821 https://doi.org/10.1016/j.marenvres.2019.104790 https://doi.org/10.13039/501100002923 https://doi.org/10.13039/100010442 https://doi.org/10.13039/501100000780 https://doi.org/10.13039/501100010964 https://doi.org/10.13039/501100003207 unknown #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/EC/FP7/319718 Postprint https://doi.org/10.1016/j.marenvres.2019.104790 Sí issn: 0141-1136 e-issn: 1879-0291 Marine Environmental Research 152: 104790 (2019) http://hdl.handle.net/10261/197821 doi:10.1016/j.marenvres.2019.104790 http://dx.doi.org/10.13039/501100002923 http://dx.doi.org/10.13039/100010442 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100010964 http://dx.doi.org/10.13039/501100003207 open Biodeposition Faecal production Potter cove Absorption efficiency Cnemidocarpa verrucosa Euphausia superba Carbon sink artículo http://purl.org/coar/resource_type/c_6501 2019 ftcsic https://doi.org/10.1016/j.marenvres.2019.10479010.13039/50110000292310.13039/10001044210.13039/50110000078010.13039/50110001096410.13039/501100003207 2024-01-16T10:47:06Z 15 pages, 7 figures, 5 tables, supplementary data https://doi.org/10.1016/j.marenvres.2019.104790 Sea-ice and coastal glacier loss in the Western Antarctic Peninsula open new ice-free areas. They allowing primary production and providing new seabed for colonisation, both acting as a negative feedback of climate change. However, the injection of sediment-laden runoff from the melting of land-terminating glaciers may reduce this feedback. Changes in particulate matter will affect nutrition and excretion (faeces stoichiometry and properties) of suspension feeders, reshaping coastal carbon dynamics and pelagic-benthic coupling. Absorption efficiency and biodeposition of Euphausia superba and Cnemidocarpa verrucosa were quantified for different food treatments and varying sediment concentrations. Both species showed high overall absorption efficiency for free-sediment diets, but were negatively affected by sediment addition. High sediment conditions increased krill biodeposition, while it decreased in ascidians. Energy balance estimation indicated high carbon sink potential in ascidians, but it is modulated by food characteristics and negatively affected by sediment inputs in the water column This project benefited from the financial support of the Total Foundation (ECLIPSE Project), Argentinean funds through PICT-Raíces 2011–1320 to IS, PICTO-DNA Nº 119. It has been additionally supported by the European Commision under the 7th Framework Programme through the Action – IMCONet (FP7 IRSES, action no. 319718). It is a contribution to the Coastal Ecology Monitoring programme of Instituto Antártico Argentino/Dirección Nacional del Antártico in Carlini Station and the research program PACES II (topic 1, work package 5) of the Alfred Wegener Institute. GA and TM received a PhD scholarship (CONICET) at the Universidad Nacional de Córdoba Peer Reviewed Article in Journal/Newspaper Antarc* Antarctic Antarctic Peninsula Dirección Nacional del Antártico Euphausia superba Instituto Antártico Argentino Sea ice Digital.CSIC (Spanish National Research Council) Antarctic Antarctic Peninsula Argentino Carlini Station ENVELOPE(-58.664,-58.664,-62.238,-62.238) Potter Cove |
institution |
Open Polar |
collection |
Digital.CSIC (Spanish National Research Council) |
op_collection_id |
ftcsic |
language |
unknown |
topic |
Biodeposition Faecal production Potter cove Absorption efficiency Cnemidocarpa verrucosa Euphausia superba Carbon sink |
spellingShingle |
Biodeposition Faecal production Potter cove Absorption efficiency Cnemidocarpa verrucosa Euphausia superba Carbon sink Alurralde, Gastón Fuentes, Veronica Maggioni, Tamara Movilla, Juan Ignacio Olariaga, Alejandro Orejas, Covadonga Schloss, Irene R. Tatián, Marcos Role of suspension feeders in antarctic pelagic-benthic coupling: Trophic ecology and potential carbon sinks under climate change |
topic_facet |
Biodeposition Faecal production Potter cove Absorption efficiency Cnemidocarpa verrucosa Euphausia superba Carbon sink |
description |
15 pages, 7 figures, 5 tables, supplementary data https://doi.org/10.1016/j.marenvres.2019.104790 Sea-ice and coastal glacier loss in the Western Antarctic Peninsula open new ice-free areas. They allowing primary production and providing new seabed for colonisation, both acting as a negative feedback of climate change. However, the injection of sediment-laden runoff from the melting of land-terminating glaciers may reduce this feedback. Changes in particulate matter will affect nutrition and excretion (faeces stoichiometry and properties) of suspension feeders, reshaping coastal carbon dynamics and pelagic-benthic coupling. Absorption efficiency and biodeposition of Euphausia superba and Cnemidocarpa verrucosa were quantified for different food treatments and varying sediment concentrations. Both species showed high overall absorption efficiency for free-sediment diets, but were negatively affected by sediment addition. High sediment conditions increased krill biodeposition, while it decreased in ascidians. Energy balance estimation indicated high carbon sink potential in ascidians, but it is modulated by food characteristics and negatively affected by sediment inputs in the water column This project benefited from the financial support of the Total Foundation (ECLIPSE Project), Argentinean funds through PICT-Raíces 2011–1320 to IS, PICTO-DNA Nº 119. It has been additionally supported by the European Commision under the 7th Framework Programme through the Action – IMCONet (FP7 IRSES, action no. 319718). It is a contribution to the Coastal Ecology Monitoring programme of Instituto Antártico Argentino/Dirección Nacional del Antártico in Carlini Station and the research program PACES II (topic 1, work package 5) of the Alfred Wegener Institute. GA and TM received a PhD scholarship (CONICET) at the Universidad Nacional de Córdoba Peer Reviewed |
author2 |
Fondation Total European Commission Instituto Antártico Argentino Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research (Germany) Consejo Nacional de Investigaciones Científicas y Técnicas (Argentina) Universidad Nacional de Córdoba (Argentina) |
format |
Article in Journal/Newspaper |
author |
Alurralde, Gastón Fuentes, Veronica Maggioni, Tamara Movilla, Juan Ignacio Olariaga, Alejandro Orejas, Covadonga Schloss, Irene R. Tatián, Marcos |
author_facet |
Alurralde, Gastón Fuentes, Veronica Maggioni, Tamara Movilla, Juan Ignacio Olariaga, Alejandro Orejas, Covadonga Schloss, Irene R. Tatián, Marcos |
author_sort |
Alurralde, Gastón |
title |
Role of suspension feeders in antarctic pelagic-benthic coupling: Trophic ecology and potential carbon sinks under climate change |
title_short |
Role of suspension feeders in antarctic pelagic-benthic coupling: Trophic ecology and potential carbon sinks under climate change |
title_full |
Role of suspension feeders in antarctic pelagic-benthic coupling: Trophic ecology and potential carbon sinks under climate change |
title_fullStr |
Role of suspension feeders in antarctic pelagic-benthic coupling: Trophic ecology and potential carbon sinks under climate change |
title_full_unstemmed |
Role of suspension feeders in antarctic pelagic-benthic coupling: Trophic ecology and potential carbon sinks under climate change |
title_sort |
role of suspension feeders in antarctic pelagic-benthic coupling: trophic ecology and potential carbon sinks under climate change |
publishDate |
2019 |
url |
http://hdl.handle.net/10261/197821 https://doi.org/10.1016/j.marenvres.2019.104790 https://doi.org/10.13039/501100002923 https://doi.org/10.13039/100010442 https://doi.org/10.13039/501100000780 https://doi.org/10.13039/501100010964 https://doi.org/10.13039/501100003207 |
long_lat |
ENVELOPE(-58.664,-58.664,-62.238,-62.238) |
geographic |
Antarctic Antarctic Peninsula Argentino Carlini Station Potter Cove |
geographic_facet |
Antarctic Antarctic Peninsula Argentino Carlini Station Potter Cove |
genre |
Antarc* Antarctic Antarctic Peninsula Dirección Nacional del Antártico Euphausia superba Instituto Antártico Argentino Sea ice |
genre_facet |
Antarc* Antarctic Antarctic Peninsula Dirección Nacional del Antártico Euphausia superba Instituto Antártico Argentino Sea ice |
op_relation |
#PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/EC/FP7/319718 Postprint https://doi.org/10.1016/j.marenvres.2019.104790 Sí issn: 0141-1136 e-issn: 1879-0291 Marine Environmental Research 152: 104790 (2019) http://hdl.handle.net/10261/197821 doi:10.1016/j.marenvres.2019.104790 http://dx.doi.org/10.13039/501100002923 http://dx.doi.org/10.13039/100010442 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100010964 http://dx.doi.org/10.13039/501100003207 |
op_rights |
open |
op_doi |
https://doi.org/10.1016/j.marenvres.2019.10479010.13039/50110000292310.13039/10001044210.13039/50110000078010.13039/50110001096410.13039/501100003207 |
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1790604482964357120 |