Recruitment dynamics of Hiatella arctica within a high Arctic site (Young Sound Fjord, NE Greenland)
Recruitment dynamics including what determines the success or failure of Arctic benthic invertebrates are poorly known despite their important role for population dynamics. The main objective of this study was to assess the potential influence of extreme physical constraints related to freshwater di...
Published in: | Polar Biology |
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Format: | Article in Journal/Newspaper |
Language: | English |
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2023
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Online Access: | https://pure.au.dk/portal/da/publications/recruitment-dynamics-of-hiatella-arctica-within-a-high-arctic-site-young-sound-fjord-ne-greenland(9749399f-d458-419c-861c-2175a6ef300f).html https://doi.org/10.1007/s00300-023-03201-0 http://www.scopus.com/inward/record.url?scp=85173449598&partnerID=8YFLogxK |
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ftuniaarhuspubl:oai:pure.atira.dk:publications/9749399f-d458-419c-861c-2175a6ef300f 2023-12-24T10:12:03+01:00 Recruitment dynamics of Hiatella arctica within a high Arctic site (Young Sound Fjord, NE Greenland) Veillard, Delphine Tremblay, Réjean Sejr, Mikael K. Chauvaud, Laurent Cam, Emmanuelle Olivier, Frédéric 2023-12 https://pure.au.dk/portal/da/publications/recruitment-dynamics-of-hiatella-arctica-within-a-high-arctic-site-young-sound-fjord-ne-greenland(9749399f-d458-419c-861c-2175a6ef300f).html https://doi.org/10.1007/s00300-023-03201-0 http://www.scopus.com/inward/record.url?scp=85173449598&partnerID=8YFLogxK eng eng https://pure.au.dk/portal/da/publications/recruitment-dynamics-of-hiatella-arctica-within-a-high-arctic-site-young-sound-fjord-ne-greenland(9749399f-d458-419c-861c-2175a6ef300f).html info:eu-repo/semantics/restrictedAccess Veillard , D , Tremblay , R , Sejr , M K , Chauvaud , L , Cam , E & Olivier , F 2023 , ' Recruitment dynamics of Hiatella arctica within a high Arctic site (Young Sound Fjord, NE Greenland) ' , Polar Biology , vol. 46 , no. 12 , pp. 1275-1286 . https://doi.org/10.1007/s00300-023-03201-0 Arctic Bivalve recruitment Lipids classes Prodissoconch II article 2023 ftuniaarhuspubl https://doi.org/10.1007/s00300-023-03201-0 2023-11-30T00:02:12Z Recruitment dynamics including what determines the success or failure of Arctic benthic invertebrates are poorly known despite their important role for population dynamics. The main objective of this study was to assess the potential influence of extreme physical constraints related to freshwater discharge on the recruitment of a dominant bivalve Hiatella arctica within a High Arctic fjord (Young Sound, NE Greenland). We collected young recruits over several sampling periods from 2016 to 2018 at two contrasting sites (inner vs. middle fjord) for 5-weeks to 12-months and measured their abundance, size at metamorphosis and lipid class composition. Young stages of H. arctica settled from June to the end of October, when trophic conditions are optimal. We hypothesize that growth stops during winter due to poor trophic conditions. Data suggest that abundance of recruits, their total lipid concentration and composition of lipid classes are similar at both sites. However, size classes were different with six separate cohorts detected at one station and one at the inner station, which may be attributed to discrete spawning events and possible secondary migration. Based on an assessment of their potential age, we hypothesize that spat batches recruiting earlier in the summer exhibit better growth performance probably related to better food quality and quantity. Article in Journal/Newspaper Arctic Arctic Greenland Polar Biology Aarhus University: Research Arctic Greenland Polar Biology 46 12 1275 1286 |
institution |
Open Polar |
collection |
Aarhus University: Research |
op_collection_id |
ftuniaarhuspubl |
language |
English |
topic |
Arctic Bivalve recruitment Lipids classes Prodissoconch II |
spellingShingle |
Arctic Bivalve recruitment Lipids classes Prodissoconch II Veillard, Delphine Tremblay, Réjean Sejr, Mikael K. Chauvaud, Laurent Cam, Emmanuelle Olivier, Frédéric Recruitment dynamics of Hiatella arctica within a high Arctic site (Young Sound Fjord, NE Greenland) |
topic_facet |
Arctic Bivalve recruitment Lipids classes Prodissoconch II |
description |
Recruitment dynamics including what determines the success or failure of Arctic benthic invertebrates are poorly known despite their important role for population dynamics. The main objective of this study was to assess the potential influence of extreme physical constraints related to freshwater discharge on the recruitment of a dominant bivalve Hiatella arctica within a High Arctic fjord (Young Sound, NE Greenland). We collected young recruits over several sampling periods from 2016 to 2018 at two contrasting sites (inner vs. middle fjord) for 5-weeks to 12-months and measured their abundance, size at metamorphosis and lipid class composition. Young stages of H. arctica settled from June to the end of October, when trophic conditions are optimal. We hypothesize that growth stops during winter due to poor trophic conditions. Data suggest that abundance of recruits, their total lipid concentration and composition of lipid classes are similar at both sites. However, size classes were different with six separate cohorts detected at one station and one at the inner station, which may be attributed to discrete spawning events and possible secondary migration. Based on an assessment of their potential age, we hypothesize that spat batches recruiting earlier in the summer exhibit better growth performance probably related to better food quality and quantity. |
format |
Article in Journal/Newspaper |
author |
Veillard, Delphine Tremblay, Réjean Sejr, Mikael K. Chauvaud, Laurent Cam, Emmanuelle Olivier, Frédéric |
author_facet |
Veillard, Delphine Tremblay, Réjean Sejr, Mikael K. Chauvaud, Laurent Cam, Emmanuelle Olivier, Frédéric |
author_sort |
Veillard, Delphine |
title |
Recruitment dynamics of Hiatella arctica within a high Arctic site (Young Sound Fjord, NE Greenland) |
title_short |
Recruitment dynamics of Hiatella arctica within a high Arctic site (Young Sound Fjord, NE Greenland) |
title_full |
Recruitment dynamics of Hiatella arctica within a high Arctic site (Young Sound Fjord, NE Greenland) |
title_fullStr |
Recruitment dynamics of Hiatella arctica within a high Arctic site (Young Sound Fjord, NE Greenland) |
title_full_unstemmed |
Recruitment dynamics of Hiatella arctica within a high Arctic site (Young Sound Fjord, NE Greenland) |
title_sort |
recruitment dynamics of hiatella arctica within a high arctic site (young sound fjord, ne greenland) |
publishDate |
2023 |
url |
https://pure.au.dk/portal/da/publications/recruitment-dynamics-of-hiatella-arctica-within-a-high-arctic-site-young-sound-fjord-ne-greenland(9749399f-d458-419c-861c-2175a6ef300f).html https://doi.org/10.1007/s00300-023-03201-0 http://www.scopus.com/inward/record.url?scp=85173449598&partnerID=8YFLogxK |
geographic |
Arctic Greenland |
geographic_facet |
Arctic Greenland |
genre |
Arctic Arctic Greenland Polar Biology |
genre_facet |
Arctic Arctic Greenland Polar Biology |
op_source |
Veillard , D , Tremblay , R , Sejr , M K , Chauvaud , L , Cam , E & Olivier , F 2023 , ' Recruitment dynamics of Hiatella arctica within a high Arctic site (Young Sound Fjord, NE Greenland) ' , Polar Biology , vol. 46 , no. 12 , pp. 1275-1286 . https://doi.org/10.1007/s00300-023-03201-0 |
op_relation |
https://pure.au.dk/portal/da/publications/recruitment-dynamics-of-hiatella-arctica-within-a-high-arctic-site-young-sound-fjord-ne-greenland(9749399f-d458-419c-861c-2175a6ef300f).html |
op_rights |
info:eu-repo/semantics/restrictedAccess |
op_doi |
https://doi.org/10.1007/s00300-023-03201-0 |
container_title |
Polar Biology |
container_volume |
46 |
container_issue |
12 |
container_start_page |
1275 |
op_container_end_page |
1286 |
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1786172325670944768 |