Countergradient variation in body shape of Atlantic cod: implications for stock structure studies1 ...
No abstracts are to be cited without prior reference to the author.Genetic and environmental influences on the phenotype can be cogradient, with environmental influences reinforcing the genetic differences between populations, or countergradient, with genetic differences counteracting environmental...
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ftdatacite:10.17895/ices.pub.25350148 2024-04-28T08:12:55+00:00 Countergradient variation in body shape of Atlantic cod: implications for stock structure studies1 ... Marcil, Julie Swain, Douglas P. Hutchings, Jeffrey A. 2024 https://dx.doi.org/10.17895/ices.pub.25350148 https://ices-library.figshare.com/articles/conference_contribution/Countergradient_variation_in_body_shape_of_Atlantic_cod_implications_for_stock_structure_studies1/25350148 unknown ASC 2005 - K - Theme session https://ices-library.figshare.com/ICES-ASC-2005/groups ICES Custom Licence https://www.ices.dk/Pages/library_policies.aspx Fisheries and aquaculture Pressures, impacts, conservation, and management article Other CreativeWork Conference contribution 2024 ftdatacite https://doi.org/10.17895/ices.pub.25350148 2024-04-02T12:00:32Z No abstracts are to be cited without prior reference to the author.Genetic and environmental influences on the phenotype can be cogradient, with environmental influences reinforcing the genetic differences between populations, or countergradient, with genetic differences counteracting environmental effects. Morphological traits such as body shape are generally thought to exhibit co-gradient variation. However, we present a striking example of countergradient variation in body shape of juvenile Atlantic cod (Gadus morhua). We compared four populations, one spawning in winter (4X) and three spawning in early summer (3L, 3Ps, 4T). No difference in body shape occurred between wild-reared juveniles from winter-spawning (4X) versus summer-spawning (3L) populations. However, when reared in common laboratory environments, striking shape differences occurred between 4X juveniles and those from the three summer-spawning populations. This indicates that genetic divergence underlies the phenotypic similarity of these ... Article in Journal/Newspaper atlantic cod Gadus morhua DataCite Metadata Store (German National Library of Science and Technology) |
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DataCite Metadata Store (German National Library of Science and Technology) |
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unknown |
topic |
Fisheries and aquaculture Pressures, impacts, conservation, and management |
spellingShingle |
Fisheries and aquaculture Pressures, impacts, conservation, and management Marcil, Julie Swain, Douglas P. Hutchings, Jeffrey A. Countergradient variation in body shape of Atlantic cod: implications for stock structure studies1 ... |
topic_facet |
Fisheries and aquaculture Pressures, impacts, conservation, and management |
description |
No abstracts are to be cited without prior reference to the author.Genetic and environmental influences on the phenotype can be cogradient, with environmental influences reinforcing the genetic differences between populations, or countergradient, with genetic differences counteracting environmental effects. Morphological traits such as body shape are generally thought to exhibit co-gradient variation. However, we present a striking example of countergradient variation in body shape of juvenile Atlantic cod (Gadus morhua). We compared four populations, one spawning in winter (4X) and three spawning in early summer (3L, 3Ps, 4T). No difference in body shape occurred between wild-reared juveniles from winter-spawning (4X) versus summer-spawning (3L) populations. However, when reared in common laboratory environments, striking shape differences occurred between 4X juveniles and those from the three summer-spawning populations. This indicates that genetic divergence underlies the phenotypic similarity of these ... |
format |
Article in Journal/Newspaper |
author |
Marcil, Julie Swain, Douglas P. Hutchings, Jeffrey A. |
author_facet |
Marcil, Julie Swain, Douglas P. Hutchings, Jeffrey A. |
author_sort |
Marcil, Julie |
title |
Countergradient variation in body shape of Atlantic cod: implications for stock structure studies1 ... |
title_short |
Countergradient variation in body shape of Atlantic cod: implications for stock structure studies1 ... |
title_full |
Countergradient variation in body shape of Atlantic cod: implications for stock structure studies1 ... |
title_fullStr |
Countergradient variation in body shape of Atlantic cod: implications for stock structure studies1 ... |
title_full_unstemmed |
Countergradient variation in body shape of Atlantic cod: implications for stock structure studies1 ... |
title_sort |
countergradient variation in body shape of atlantic cod: implications for stock structure studies1 ... |
publisher |
ASC 2005 - K - Theme session |
publishDate |
2024 |
url |
https://dx.doi.org/10.17895/ices.pub.25350148 https://ices-library.figshare.com/articles/conference_contribution/Countergradient_variation_in_body_shape_of_Atlantic_cod_implications_for_stock_structure_studies1/25350148 |
genre |
atlantic cod Gadus morhua |
genre_facet |
atlantic cod Gadus morhua |
op_relation |
https://ices-library.figshare.com/ICES-ASC-2005/groups |
op_rights |
ICES Custom Licence https://www.ices.dk/Pages/library_policies.aspx |
op_doi |
https://doi.org/10.17895/ices.pub.25350148 |
_version_ |
1797579629807009792 |