Oyster (c. gigas) recruitment in Mediteranean lagoons
The Thau lagoon, located at the South of France, provides 10% of the French pacific oyster Crassostrea gigas production (Robert et al., 2013). Despite this intensive shellfish production, the larval recruitment of this species within the Thau lagoon is still misunderstood and spat collection remains...
Main Authors: | , , , , , , , |
---|---|
Format: | Conference Object |
Language: | English |
Published: |
Summary report website, Aquaculture Europe 2014
2014
|
Subjects: | |
Online Access: | https://archimer.ifremer.fr/doc/00248/35905/34427.pdf https://archimer.ifremer.fr/doc/00248/35905/ |
id |
ftarchimer:oai:archimer.ifremer.fr:35905 |
---|---|
record_format |
openpolar |
spelling |
ftarchimer:oai:archimer.ifremer.fr:35905 2023-05-15T15:58:43+02:00 Oyster (c. gigas) recruitment in Mediteranean lagoons new approaches for studying larval connectivity using MARS3D modeling tools Ubertini, Martin Fiandrino, Annie Bernard, Ismael Thomas, Yoann Dumas, Franck Pouvreau, Stephane Roque D'Orbcastel, Emmanuelle Lagarde, Franck 2014-10-15 application/pdf https://archimer.ifremer.fr/doc/00248/35905/34427.pdf https://archimer.ifremer.fr/doc/00248/35905/ eng eng Summary report website, Aquaculture Europe 2014 https://archimer.ifremer.fr/doc/00248/35905/34427.pdf https://archimer.ifremer.fr/doc/00248/35905/ 2014 Ifremer info:eu-repo/semantics/openAccess restricted use text Conference article info:eu-repo/semantics/conferenceObject 2014 ftarchimer 2021-09-23T20:25:44Z The Thau lagoon, located at the South of France, provides 10% of the French pacific oyster Crassostrea gigas production (Robert et al., 2013). Despite this intensive shellfish production, the larval recruitment of this species within the Thau lagoon is still misunderstood and spat collection remains highly variable; as a consequence, shellfish farmers rely mostly on hatchery's spat. In 2012, the PRONAMED II project was launched, aiming to improve our understanding of the C. gigas reproductive cycle within Mediterranean lagoons and to explore the feasibility for oyster-spat collecting. In addition to an extensive sampling work encompassing both spatial and temporal features of larval recruitment, we tried to understand the contribution of larval dispersal on recruitment patterns. For this purpose, we developed new approaches using the MARS 3D hydrodynamical model. While most models keep looking at the location of larvae after a simulation duration specified by the user, we propose here a new approach considering the pelagic larval duration and focusing on the duration of the larval competency for settlement. A new index was set up to take into account the binary possibility for the larvae to settle or not during its final pelagic stage, the settlement probability increasing with the amount of larvae passing through a model mesh. Conference Object Crassostrea gigas Pacific oyster Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer) Pacific |
institution |
Open Polar |
collection |
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer) |
op_collection_id |
ftarchimer |
language |
English |
description |
The Thau lagoon, located at the South of France, provides 10% of the French pacific oyster Crassostrea gigas production (Robert et al., 2013). Despite this intensive shellfish production, the larval recruitment of this species within the Thau lagoon is still misunderstood and spat collection remains highly variable; as a consequence, shellfish farmers rely mostly on hatchery's spat. In 2012, the PRONAMED II project was launched, aiming to improve our understanding of the C. gigas reproductive cycle within Mediterranean lagoons and to explore the feasibility for oyster-spat collecting. In addition to an extensive sampling work encompassing both spatial and temporal features of larval recruitment, we tried to understand the contribution of larval dispersal on recruitment patterns. For this purpose, we developed new approaches using the MARS 3D hydrodynamical model. While most models keep looking at the location of larvae after a simulation duration specified by the user, we propose here a new approach considering the pelagic larval duration and focusing on the duration of the larval competency for settlement. A new index was set up to take into account the binary possibility for the larvae to settle or not during its final pelagic stage, the settlement probability increasing with the amount of larvae passing through a model mesh. |
format |
Conference Object |
author |
Ubertini, Martin Fiandrino, Annie Bernard, Ismael Thomas, Yoann Dumas, Franck Pouvreau, Stephane Roque D'Orbcastel, Emmanuelle Lagarde, Franck |
spellingShingle |
Ubertini, Martin Fiandrino, Annie Bernard, Ismael Thomas, Yoann Dumas, Franck Pouvreau, Stephane Roque D'Orbcastel, Emmanuelle Lagarde, Franck Oyster (c. gigas) recruitment in Mediteranean lagoons |
author_facet |
Ubertini, Martin Fiandrino, Annie Bernard, Ismael Thomas, Yoann Dumas, Franck Pouvreau, Stephane Roque D'Orbcastel, Emmanuelle Lagarde, Franck |
author_sort |
Ubertini, Martin |
title |
Oyster (c. gigas) recruitment in Mediteranean lagoons |
title_short |
Oyster (c. gigas) recruitment in Mediteranean lagoons |
title_full |
Oyster (c. gigas) recruitment in Mediteranean lagoons |
title_fullStr |
Oyster (c. gigas) recruitment in Mediteranean lagoons |
title_full_unstemmed |
Oyster (c. gigas) recruitment in Mediteranean lagoons |
title_sort |
oyster (c. gigas) recruitment in mediteranean lagoons |
publisher |
Summary report website, Aquaculture Europe 2014 |
publishDate |
2014 |
url |
https://archimer.ifremer.fr/doc/00248/35905/34427.pdf https://archimer.ifremer.fr/doc/00248/35905/ |
geographic |
Pacific |
geographic_facet |
Pacific |
genre |
Crassostrea gigas Pacific oyster |
genre_facet |
Crassostrea gigas Pacific oyster |
op_relation |
https://archimer.ifremer.fr/doc/00248/35905/34427.pdf https://archimer.ifremer.fr/doc/00248/35905/ |
op_rights |
2014 Ifremer info:eu-repo/semantics/openAccess restricted use |
_version_ |
1766394488496848896 |