Seasonal trophic ecology of the dominant Antarctic coral Malacobelemnon daytoni (Octocorallia, Pennatulacea, Kophobelemnidae)
This work is contributing to the ICTA “Unit of Excellence” (MinECo, MDM2015-0552).-- 11 pages, 6 figures, 1 table Antarctic ecosystems present highly marked seasonal patterns in energy input, which in turn determines the biology and ecology of marine invertebrate species. This relationship is strong...
Published in: | Marine Environmental Research |
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Online Access: | http://hdl.handle.net/10261/158611 https://doi.org/10.1016/j.marenvres.2017.08.003 https://doi.org/10.13039/100010442 https://doi.org/10.13039/501100000780 https://doi.org/10.13039/501100002923 https://doi.org/10.13039/501100010964 |
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ftcsic:oai:digital.csic.es:10261/158611 2024-02-11T09:58:33+01:00 Seasonal trophic ecology of the dominant Antarctic coral Malacobelemnon daytoni (Octocorallia, Pennatulacea, Kophobelemnidae) Servetto, N. Rossi, Sergio Fuentes, Veronica Alurralde, Gastón Lagger, C. Sahade, Ricardo European Commission Instituto Antártico Argentino CSIC - Instituto de Ciencias del Mar (ICM) Fundación Carolina Consejo Nacional de Investigaciones Científicas y Técnicas (Argentina) Universidad Nacional de Córdoba (Argentina) 2017-09 http://hdl.handle.net/10261/158611 https://doi.org/10.1016/j.marenvres.2017.08.003 https://doi.org/10.13039/100010442 https://doi.org/10.13039/501100000780 https://doi.org/10.13039/501100002923 https://doi.org/10.13039/501100010964 unknown Elsevier https://doi.org/10.1016/j.marenvres.2017.08.003 Sí doi:10.1016/j.marenvres.2017.08.003 issn: 0141-1136 e-issn: 1879-0291 Marine Environmental Research 130: 264-274 (2017) http://hdl.handle.net/10261/158611 http://dx.doi.org/10.13039/100010442 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100002923 http://dx.doi.org/10.13039/501100010964 none Pennatulacea Stable isotopes Fatty acid Biochemical composition Antarctica artículo http://purl.org/coar/resource_type/c_6501 2017 ftcsic https://doi.org/10.1016/j.marenvres.2017.08.00310.13039/10001044210.13039/50110000078010.13039/50110000292310.13039/501100010964 2024-01-16T10:27:21Z This work is contributing to the ICTA “Unit of Excellence” (MinECo, MDM2015-0552).-- 11 pages, 6 figures, 1 table Antarctic ecosystems present highly marked seasonal patterns in energy input, which in turn determines the biology and ecology of marine invertebrate species. This relationship is stronger at lower levels of the food web, while upper levels may be less dependent on primary production pulses. The pennatulid Malacobelemnon daytoni, is one of the most abundant species in Potter Cove, Antarctica. In order to assess its trophic ecology and energetic strategies, its biochemical (carbohydrates, proteins and lipids), Fatty Acid (FA) and Stable Isotope (SI) (δN and δC) compositions were studied over a year-round period. The FA and SI profiles suggest an omnivorous diet and opportunistic feeding strategy for the species. These results, together with biochemical analysis (higher lipid and carbohydrate concentration observed in July and October 2009), support the hypothesis that resuspension events may be an important source of energy, reducing the seasonality of food depletion periods in winter. The evidence presented here gives us a better insight into the success that this species has in Potter Cove and under the current environmental changes experienced by the Antarctic Peninsula This study was supported by the Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Fundación Carolina, Dirección Nacional del Antártico (DNA)/Instituto Antártico Argentino (IAA), Universidad Nacional de Córdoba and Intitute of Marine Science (ICM). The work was partially funded by PICTO 2010 - 0019 (ANPCyT-DNA), PIP CONICET Nº11220100100089, SECyT (05/I602), ESF-IMCOAST associated work package of AP-4 of Dr. Sahade and the EU project IMCONet (FP7 404 IRSES, action no. 319718) Peer Reviewed Article in Journal/Newspaper Antarc* Antarctic Antarctic Peninsula Antarctica Dirección Nacional del Antártico Instituto Antártico Argentino Digital.CSIC (Spanish National Research Council) Antarctic Antarctic Peninsula Argentino Potter Cove The Antarctic Marine Environmental Research 130 264 274 |
institution |
Open Polar |
collection |
Digital.CSIC (Spanish National Research Council) |
op_collection_id |
ftcsic |
language |
unknown |
topic |
Pennatulacea Stable isotopes Fatty acid Biochemical composition Antarctica |
spellingShingle |
Pennatulacea Stable isotopes Fatty acid Biochemical composition Antarctica Servetto, N. Rossi, Sergio Fuentes, Veronica Alurralde, Gastón Lagger, C. Sahade, Ricardo Seasonal trophic ecology of the dominant Antarctic coral Malacobelemnon daytoni (Octocorallia, Pennatulacea, Kophobelemnidae) |
topic_facet |
Pennatulacea Stable isotopes Fatty acid Biochemical composition Antarctica |
description |
This work is contributing to the ICTA “Unit of Excellence” (MinECo, MDM2015-0552).-- 11 pages, 6 figures, 1 table Antarctic ecosystems present highly marked seasonal patterns in energy input, which in turn determines the biology and ecology of marine invertebrate species. This relationship is stronger at lower levels of the food web, while upper levels may be less dependent on primary production pulses. The pennatulid Malacobelemnon daytoni, is one of the most abundant species in Potter Cove, Antarctica. In order to assess its trophic ecology and energetic strategies, its biochemical (carbohydrates, proteins and lipids), Fatty Acid (FA) and Stable Isotope (SI) (δN and δC) compositions were studied over a year-round period. The FA and SI profiles suggest an omnivorous diet and opportunistic feeding strategy for the species. These results, together with biochemical analysis (higher lipid and carbohydrate concentration observed in July and October 2009), support the hypothesis that resuspension events may be an important source of energy, reducing the seasonality of food depletion periods in winter. The evidence presented here gives us a better insight into the success that this species has in Potter Cove and under the current environmental changes experienced by the Antarctic Peninsula This study was supported by the Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Fundación Carolina, Dirección Nacional del Antártico (DNA)/Instituto Antártico Argentino (IAA), Universidad Nacional de Córdoba and Intitute of Marine Science (ICM). The work was partially funded by PICTO 2010 - 0019 (ANPCyT-DNA), PIP CONICET Nº11220100100089, SECyT (05/I602), ESF-IMCOAST associated work package of AP-4 of Dr. Sahade and the EU project IMCONet (FP7 404 IRSES, action no. 319718) Peer Reviewed |
author2 |
European Commission Instituto Antártico Argentino CSIC - Instituto de Ciencias del Mar (ICM) Fundación Carolina Consejo Nacional de Investigaciones Científicas y Técnicas (Argentina) Universidad Nacional de Córdoba (Argentina) |
format |
Article in Journal/Newspaper |
author |
Servetto, N. Rossi, Sergio Fuentes, Veronica Alurralde, Gastón Lagger, C. Sahade, Ricardo |
author_facet |
Servetto, N. Rossi, Sergio Fuentes, Veronica Alurralde, Gastón Lagger, C. Sahade, Ricardo |
author_sort |
Servetto, N. |
title |
Seasonal trophic ecology of the dominant Antarctic coral Malacobelemnon daytoni (Octocorallia, Pennatulacea, Kophobelemnidae) |
title_short |
Seasonal trophic ecology of the dominant Antarctic coral Malacobelemnon daytoni (Octocorallia, Pennatulacea, Kophobelemnidae) |
title_full |
Seasonal trophic ecology of the dominant Antarctic coral Malacobelemnon daytoni (Octocorallia, Pennatulacea, Kophobelemnidae) |
title_fullStr |
Seasonal trophic ecology of the dominant Antarctic coral Malacobelemnon daytoni (Octocorallia, Pennatulacea, Kophobelemnidae) |
title_full_unstemmed |
Seasonal trophic ecology of the dominant Antarctic coral Malacobelemnon daytoni (Octocorallia, Pennatulacea, Kophobelemnidae) |
title_sort |
seasonal trophic ecology of the dominant antarctic coral malacobelemnon daytoni (octocorallia, pennatulacea, kophobelemnidae) |
publisher |
Elsevier |
publishDate |
2017 |
url |
http://hdl.handle.net/10261/158611 https://doi.org/10.1016/j.marenvres.2017.08.003 https://doi.org/10.13039/100010442 https://doi.org/10.13039/501100000780 https://doi.org/10.13039/501100002923 https://doi.org/10.13039/501100010964 |
geographic |
Antarctic Antarctic Peninsula Argentino Potter Cove The Antarctic |
geographic_facet |
Antarctic Antarctic Peninsula Argentino Potter Cove The Antarctic |
genre |
Antarc* Antarctic Antarctic Peninsula Antarctica Dirección Nacional del Antártico Instituto Antártico Argentino |
genre_facet |
Antarc* Antarctic Antarctic Peninsula Antarctica Dirección Nacional del Antártico Instituto Antártico Argentino |
op_relation |
https://doi.org/10.1016/j.marenvres.2017.08.003 Sí doi:10.1016/j.marenvres.2017.08.003 issn: 0141-1136 e-issn: 1879-0291 Marine Environmental Research 130: 264-274 (2017) http://hdl.handle.net/10261/158611 http://dx.doi.org/10.13039/100010442 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100002923 http://dx.doi.org/10.13039/501100010964 |
op_rights |
none |
op_doi |
https://doi.org/10.1016/j.marenvres.2017.08.00310.13039/10001044210.13039/50110000078010.13039/50110000292310.13039/501100010964 |
container_title |
Marine Environmental Research |
container_volume |
130 |
container_start_page |
264 |
op_container_end_page |
274 |
_version_ |
1790594235023491072 |