Predation impact of the nototheniid fish Trematomus bernacchii on the size structure of the scallop Adamussium colbecki in Terra Nova Bay (Ross Sea, Antarctica).
Biotic interactions are particularly relevant in stable environments, such as the High Antarctic areas. Among them, predation has a key role in structuring com- munity and population variables, including size-frequency distribution. This study aims to quantify the impact of pre- dation by the nototh...
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Online Access: | http://hdl.handle.net/11567/865228 https://doi.org/10.1007/s00300-017-2077-4 |
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ftunivgenova:oai:iris.unige.it:11567/865228 2024-02-11T09:56:07+01:00 Predation impact of the nototheniid fish Trematomus bernacchii on the size structure of the scallop Adamussium colbecki in Terra Nova Bay (Ross Sea, Antarctica). DELL'ACQUA, OMBRETTA CHIANTORE, MARIACHIARA Brey, T. Vacchi, M. Dell'Acqua, Ombretta Brey, T. Vacchi, M. Chiantore, Mariachiara 2017 STAMPA http://hdl.handle.net/11567/865228 https://doi.org/10.1007/s00300-017-2077-4 eng eng info:eu-repo/semantics/altIdentifier/wos/WOS:000406963800008 firstpage:1 lastpage:12 numberofpages:12 journal:POLAR BIOLOGY http://hdl.handle.net/11567/865228 doi:10.1007/s00300-017-2077-4 info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85014793431 Adamussium colbecki · Trematomus bernacchii · Trophic interaction · Predation model · Terra Nova Bay info:eu-repo/semantics/article 2017 ftunivgenova https://doi.org/10.1007/s00300-017-2077-4 2024-01-17T17:51:41Z Biotic interactions are particularly relevant in stable environments, such as the High Antarctic areas. Among them, predation has a key role in structuring com- munity and population variables, including size-frequency distribution. This study aims to quantify the impact of pre- dation by the notothenioid sh Trematomus bernacchii on the Antarctic scallop Adamussium colbecki-size distribu- tion. We developed a model of this impact that estimates the size distribution of the preyed scallop population, tak- ing into account for the predator-size distribution, sex structure, and daily consumption. Comparing this size dis- tribution of the preyed A. colbecki with the living popula- tions at Terra Nova Bay (Ross Sea, Antarctica), we were able to detect a relevant impact of sh predation. Fish-size frequency resulted to be the major factor shaping prey- size structure, with signi cant di erences between preda- tion by males and females. Our ndings, given the key role of the two species in the littoral ecosystem of Terra Nova Bay (Antarctic Special Protected Area 161), fall into the framework of ecosystem management of High Antarctic coastal areas, particularly in the actual context of climate change, and increasing anthropogenic impact. Article in Journal/Newspaper Antarc* Antarctic Antarctica Ross Sea Università degli Studi di Genova: CINECA IRIS Antarctic Ross Sea Terra Nova Bay The Antarctic Polar Biology 40 8 1557 1568 |
institution |
Open Polar |
collection |
Università degli Studi di Genova: CINECA IRIS |
op_collection_id |
ftunivgenova |
language |
English |
topic |
Adamussium colbecki · Trematomus bernacchii · Trophic interaction · Predation model · Terra Nova Bay |
spellingShingle |
Adamussium colbecki · Trematomus bernacchii · Trophic interaction · Predation model · Terra Nova Bay DELL'ACQUA, OMBRETTA CHIANTORE, MARIACHIARA Brey, T. Vacchi, M. Predation impact of the nototheniid fish Trematomus bernacchii on the size structure of the scallop Adamussium colbecki in Terra Nova Bay (Ross Sea, Antarctica). |
topic_facet |
Adamussium colbecki · Trematomus bernacchii · Trophic interaction · Predation model · Terra Nova Bay |
description |
Biotic interactions are particularly relevant in stable environments, such as the High Antarctic areas. Among them, predation has a key role in structuring com- munity and population variables, including size-frequency distribution. This study aims to quantify the impact of pre- dation by the notothenioid sh Trematomus bernacchii on the Antarctic scallop Adamussium colbecki-size distribu- tion. We developed a model of this impact that estimates the size distribution of the preyed scallop population, tak- ing into account for the predator-size distribution, sex structure, and daily consumption. Comparing this size dis- tribution of the preyed A. colbecki with the living popula- tions at Terra Nova Bay (Ross Sea, Antarctica), we were able to detect a relevant impact of sh predation. Fish-size frequency resulted to be the major factor shaping prey- size structure, with signi cant di erences between preda- tion by males and females. Our ndings, given the key role of the two species in the littoral ecosystem of Terra Nova Bay (Antarctic Special Protected Area 161), fall into the framework of ecosystem management of High Antarctic coastal areas, particularly in the actual context of climate change, and increasing anthropogenic impact. |
author2 |
Dell'Acqua, Ombretta Brey, T. Vacchi, M. Chiantore, Mariachiara |
format |
Article in Journal/Newspaper |
author |
DELL'ACQUA, OMBRETTA CHIANTORE, MARIACHIARA Brey, T. Vacchi, M. |
author_facet |
DELL'ACQUA, OMBRETTA CHIANTORE, MARIACHIARA Brey, T. Vacchi, M. |
author_sort |
DELL'ACQUA, OMBRETTA |
title |
Predation impact of the nototheniid fish Trematomus bernacchii on the size structure of the scallop Adamussium colbecki in Terra Nova Bay (Ross Sea, Antarctica). |
title_short |
Predation impact of the nototheniid fish Trematomus bernacchii on the size structure of the scallop Adamussium colbecki in Terra Nova Bay (Ross Sea, Antarctica). |
title_full |
Predation impact of the nototheniid fish Trematomus bernacchii on the size structure of the scallop Adamussium colbecki in Terra Nova Bay (Ross Sea, Antarctica). |
title_fullStr |
Predation impact of the nototheniid fish Trematomus bernacchii on the size structure of the scallop Adamussium colbecki in Terra Nova Bay (Ross Sea, Antarctica). |
title_full_unstemmed |
Predation impact of the nototheniid fish Trematomus bernacchii on the size structure of the scallop Adamussium colbecki in Terra Nova Bay (Ross Sea, Antarctica). |
title_sort |
predation impact of the nototheniid fish trematomus bernacchii on the size structure of the scallop adamussium colbecki in terra nova bay (ross sea, antarctica). |
publishDate |
2017 |
url |
http://hdl.handle.net/11567/865228 https://doi.org/10.1007/s00300-017-2077-4 |
geographic |
Antarctic Ross Sea Terra Nova Bay The Antarctic |
geographic_facet |
Antarctic Ross Sea Terra Nova Bay The Antarctic |
genre |
Antarc* Antarctic Antarctica Ross Sea |
genre_facet |
Antarc* Antarctic Antarctica Ross Sea |
op_relation |
info:eu-repo/semantics/altIdentifier/wos/WOS:000406963800008 firstpage:1 lastpage:12 numberofpages:12 journal:POLAR BIOLOGY http://hdl.handle.net/11567/865228 doi:10.1007/s00300-017-2077-4 info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85014793431 |
op_doi |
https://doi.org/10.1007/s00300-017-2077-4 |
container_title |
Polar Biology |
container_volume |
40 |
container_issue |
8 |
container_start_page |
1557 |
op_container_end_page |
1568 |
_version_ |
1790600813414973440 |