Cost of selectivity: inducing of density dependent growth in Eastern Baltic cod (Gadus morhua) ...
No abstracts are to be cited without prior reference to the author. Over the last decades, views on fisheries have oscillated between mistrust and confidence in management progress. The predominating policy remedy to world fish crisis, promoted by the Johannesburg declaration, aims at Maximum Sustai...
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2023
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ftdatacite:10.17895/ices.pub.24752829.v1 2024-02-04T10:00:29+01:00 Cost of selectivity: inducing of density dependent growth in Eastern Baltic cod (Gadus morhua) ... Svedäng, Henrik Hornborg, Sara 2023 https://dx.doi.org/10.17895/ices.pub.24752829.v1 https://ices-library.figshare.com/articles/conference_contribution/Cost_of_selectivity_inducing_of_density_dependent_growth_in_Eastern_Baltic_cod_Gadus_morhua_/24752829/1 unknown ASC 2014 - Theme session O https://ices-library.figshare.com/ICES-ASC-2014/groups https://dx.doi.org/10.17895/ices.pub.24752829 https://ices-library.figshare.com/ICES-ASC-2014/groups ICES Custom Licence https://www.ices.dk/Pages/library_policies.aspx Fisheries and aquaculture CreativeWork Conference contribution article Other 2023 ftdatacite https://doi.org/10.17895/ices.pub.24752829.v110.17895/ices.pub.24752829 2024-01-05T01:56:28Z No abstracts are to be cited without prior reference to the author. Over the last decades, views on fisheries have oscillated between mistrust and confidence in management progress. The predominating policy remedy to world fish crisis, promoted by the Johannesburg declaration, aims at Maximum Sustainable Yield (MSY) by adjusting gear selectivity and fishing effort. Here we show a strong case study on how the strive for higher yields from the Eastern Baltic cod stock by increasing selectivity has become exceedingly detrimental for its productivity. As fish number in non-‐fishable sizes successively increase, growth potential is severely reduced, whereas fishing mortality increases on fishable sizes. Our findings suggest that policies focusing on maximum yield and targeting greater sizes are risky and should instead be redirected towards more risk-‐‑averting combinations of selectivity and effort, giving less yield but higher catch-‐‑per-‐‑unit-‐‑effort. Disregard of dynamic interactions will have dire ... Conference Object Gadus morhua DataCite Metadata Store (German National Library of Science and Technology) |
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collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
unknown |
topic |
Fisheries and aquaculture |
spellingShingle |
Fisheries and aquaculture Svedäng, Henrik Hornborg, Sara Cost of selectivity: inducing of density dependent growth in Eastern Baltic cod (Gadus morhua) ... |
topic_facet |
Fisheries and aquaculture |
description |
No abstracts are to be cited without prior reference to the author. Over the last decades, views on fisheries have oscillated between mistrust and confidence in management progress. The predominating policy remedy to world fish crisis, promoted by the Johannesburg declaration, aims at Maximum Sustainable Yield (MSY) by adjusting gear selectivity and fishing effort. Here we show a strong case study on how the strive for higher yields from the Eastern Baltic cod stock by increasing selectivity has become exceedingly detrimental for its productivity. As fish number in non-‐fishable sizes successively increase, growth potential is severely reduced, whereas fishing mortality increases on fishable sizes. Our findings suggest that policies focusing on maximum yield and targeting greater sizes are risky and should instead be redirected towards more risk-‐‑averting combinations of selectivity and effort, giving less yield but higher catch-‐‑per-‐‑unit-‐‑effort. Disregard of dynamic interactions will have dire ... |
format |
Conference Object |
author |
Svedäng, Henrik Hornborg, Sara |
author_facet |
Svedäng, Henrik Hornborg, Sara |
author_sort |
Svedäng, Henrik |
title |
Cost of selectivity: inducing of density dependent growth in Eastern Baltic cod (Gadus morhua) ... |
title_short |
Cost of selectivity: inducing of density dependent growth in Eastern Baltic cod (Gadus morhua) ... |
title_full |
Cost of selectivity: inducing of density dependent growth in Eastern Baltic cod (Gadus morhua) ... |
title_fullStr |
Cost of selectivity: inducing of density dependent growth in Eastern Baltic cod (Gadus morhua) ... |
title_full_unstemmed |
Cost of selectivity: inducing of density dependent growth in Eastern Baltic cod (Gadus morhua) ... |
title_sort |
cost of selectivity: inducing of density dependent growth in eastern baltic cod (gadus morhua) ... |
publisher |
ASC 2014 - Theme session O |
publishDate |
2023 |
url |
https://dx.doi.org/10.17895/ices.pub.24752829.v1 https://ices-library.figshare.com/articles/conference_contribution/Cost_of_selectivity_inducing_of_density_dependent_growth_in_Eastern_Baltic_cod_Gadus_morhua_/24752829/1 |
genre |
Gadus morhua |
genre_facet |
Gadus morhua |
op_relation |
https://ices-library.figshare.com/ICES-ASC-2014/groups https://dx.doi.org/10.17895/ices.pub.24752829 https://ices-library.figshare.com/ICES-ASC-2014/groups |
op_rights |
ICES Custom Licence https://www.ices.dk/Pages/library_policies.aspx |
op_doi |
https://doi.org/10.17895/ices.pub.24752829.v110.17895/ices.pub.24752829 |
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1789965806724972544 |