Comparison of sampling methods to assess marine benthic communities: visual vs destructive methods
10th Scientific Committee on Antarctic Research Open Science Conference (SCAR 2022), 1-10 August 2022 During the last decades, great efforts have been made to study the diversity and the degree of heterogeneity of Antarctic benthic communities. Numerous investigations on macrobenthic communities hav...
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Scientific Committee on Antarctic Research
2022
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ftcsic:oai:digital.csic.es:10261/333864 2024-02-11T09:57:20+01:00 Comparison of sampling methods to assess marine benthic communities: visual vs destructive methods Ambroso, Stefano Baena, Patricia Gili, Josep Maria Riera, Joan L. Pineda-Metz, Santiago E. A. Teixidó, Nuria 2022-08-01 http://hdl.handle.net/10261/333864 en eng Scientific Committee on Antarctic Research Sí 10th SCAR Open Science Conference (2022) http://hdl.handle.net/10261/333864 none Conserve and sustainably use the oceans seas and marine resources for sustainable development comunicación de congreso 2022 ftcsic 2024-01-16T11:52:14Z 10th Scientific Committee on Antarctic Research Open Science Conference (SCAR 2022), 1-10 August 2022 During the last decades, great efforts have been made to study the diversity and the degree of heterogeneity of Antarctic benthic communities. Numerous investigations on macrobenthic communities have recently been carried out at different sites in Antactic Peninsula using both visual and destructive methods covering a wide latitudinal range. In the present study, we compare the performance of two sampling gears by assessing quantitative data obtained by Agassiz trawls (AGT) and seabed images collected by the Ocean Floor Observation System (OFOS) on the continental shelf of three oceanographically very distinct regions: the Weddell Sea, the Bransfield Strait, and the Drake Passage to provide new quantitative data on the combination of different sampling methods on Antarctic megabethos. A total of 4213 individuals were sampled with AGT and 10550 individuals with OFOS. Combining AGT and OFOS data, we found a total of 19 benthic taxonomic groups. The most dominant groups sampled with AGT were Polychaeta and Ophiuroidea, while Ophiuroidea and Ascidiacea were for OFOS. Ophiuroidea was the most abundant group representing 45% of the individuals in OFOS and 19,1% in AGT. The extremely high abundance of all the taxa observed by OFOS with respect to the abundance estimated with AGT provides important insights into the efficiency of trawl gears in the study of benthic communities. Despite considering the benthic fractions in different resolution but with similar distribution patterns, nondestructive monitoring with visual techniques is extensively recommended for the proper study of Antarctic benthic communities and their consequent management Peer reviewed Conference Object Antarc* Antarctic Bransfield Strait Drake Passage SCAR Scientific Committee on Antarctic Research Weddell Sea Digital.CSIC (Spanish National Research Council) Antarctic Bransfield Strait Drake Passage Weddell Weddell Sea |
institution |
Open Polar |
collection |
Digital.CSIC (Spanish National Research Council) |
op_collection_id |
ftcsic |
language |
English |
topic |
Conserve and sustainably use the oceans seas and marine resources for sustainable development |
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Conserve and sustainably use the oceans seas and marine resources for sustainable development Ambroso, Stefano Baena, Patricia Gili, Josep Maria Riera, Joan L. Pineda-Metz, Santiago E. A. Teixidó, Nuria Comparison of sampling methods to assess marine benthic communities: visual vs destructive methods |
topic_facet |
Conserve and sustainably use the oceans seas and marine resources for sustainable development |
description |
10th Scientific Committee on Antarctic Research Open Science Conference (SCAR 2022), 1-10 August 2022 During the last decades, great efforts have been made to study the diversity and the degree of heterogeneity of Antarctic benthic communities. Numerous investigations on macrobenthic communities have recently been carried out at different sites in Antactic Peninsula using both visual and destructive methods covering a wide latitudinal range. In the present study, we compare the performance of two sampling gears by assessing quantitative data obtained by Agassiz trawls (AGT) and seabed images collected by the Ocean Floor Observation System (OFOS) on the continental shelf of three oceanographically very distinct regions: the Weddell Sea, the Bransfield Strait, and the Drake Passage to provide new quantitative data on the combination of different sampling methods on Antarctic megabethos. A total of 4213 individuals were sampled with AGT and 10550 individuals with OFOS. Combining AGT and OFOS data, we found a total of 19 benthic taxonomic groups. The most dominant groups sampled with AGT were Polychaeta and Ophiuroidea, while Ophiuroidea and Ascidiacea were for OFOS. Ophiuroidea was the most abundant group representing 45% of the individuals in OFOS and 19,1% in AGT. The extremely high abundance of all the taxa observed by OFOS with respect to the abundance estimated with AGT provides important insights into the efficiency of trawl gears in the study of benthic communities. Despite considering the benthic fractions in different resolution but with similar distribution patterns, nondestructive monitoring with visual techniques is extensively recommended for the proper study of Antarctic benthic communities and their consequent management Peer reviewed |
format |
Conference Object |
author |
Ambroso, Stefano Baena, Patricia Gili, Josep Maria Riera, Joan L. Pineda-Metz, Santiago E. A. Teixidó, Nuria |
author_facet |
Ambroso, Stefano Baena, Patricia Gili, Josep Maria Riera, Joan L. Pineda-Metz, Santiago E. A. Teixidó, Nuria |
author_sort |
Ambroso, Stefano |
title |
Comparison of sampling methods to assess marine benthic communities: visual vs destructive methods |
title_short |
Comparison of sampling methods to assess marine benthic communities: visual vs destructive methods |
title_full |
Comparison of sampling methods to assess marine benthic communities: visual vs destructive methods |
title_fullStr |
Comparison of sampling methods to assess marine benthic communities: visual vs destructive methods |
title_full_unstemmed |
Comparison of sampling methods to assess marine benthic communities: visual vs destructive methods |
title_sort |
comparison of sampling methods to assess marine benthic communities: visual vs destructive methods |
publisher |
Scientific Committee on Antarctic Research |
publishDate |
2022 |
url |
http://hdl.handle.net/10261/333864 |
geographic |
Antarctic Bransfield Strait Drake Passage Weddell Weddell Sea |
geographic_facet |
Antarctic Bransfield Strait Drake Passage Weddell Weddell Sea |
genre |
Antarc* Antarctic Bransfield Strait Drake Passage SCAR Scientific Committee on Antarctic Research Weddell Sea |
genre_facet |
Antarc* Antarctic Bransfield Strait Drake Passage SCAR Scientific Committee on Antarctic Research Weddell Sea |
op_relation |
Sí 10th SCAR Open Science Conference (2022) http://hdl.handle.net/10261/333864 |
op_rights |
none |
_version_ |
1790609633732198400 |