The poor health of deep-water species in the context of fishing activity and a warming climate: will populations of Molva species rebuild or collapse?
Many deep‐water fish populations, being k‐selected species, have little resilience to overexploitation and may be at serious risk of depletion as a consequence. Sea warming represents an additional threat. In this study, the condition, or health, of several populations of common ling (Molva molva),...
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ftarchimer:oai:archimer.ifremer.fr:73502 2023-05-15T17:30:09+02:00 The poor health of deep-water species in the context of fishing activity and a warming climate: will populations of Molva species rebuild or collapse? Lloret, Josep Serrat, Alba Þórðarson, Guðmundur Helle, Kristin Jadaud, Angelique Bruno, Isabel Ordines, Francesc Sartor, Paolo Carbonara, Pierluigi Rätz, Hans-joachim 2021-06 application/pdf https://archimer.ifremer.fr/doc/00623/73502/72808.pdf https://doi.org/10.1111/jfb.14347 https://archimer.ifremer.fr/doc/00623/73502/ eng eng Wiley https://archimer.ifremer.fr/doc/00623/73502/72808.pdf doi:10.1111/jfb.14347 https://archimer.ifremer.fr/doc/00623/73502/ info:eu-repo/semantics/openAccess restricted use Journal Of Fish Biology (0022-1112) (Wiley), 2021-06 , Vol. 98 , N. 6 , P. 1572-1584 condition deep-water fish fisheries parasitism reproduction sea warming text Publication info:eu-repo/semantics/article 2021 ftarchimer https://doi.org/10.1111/jfb.14347 2021-10-26T22:57:37Z Many deep‐water fish populations, being k‐selected species, have little resilience to overexploitation and may be at serious risk of depletion as a consequence. Sea warming represents an additional threat. In this study, the condition, or health, of several populations of common ling (Molva molva), blue ling (M. dypterygia) and Mediterranean or Spanish ling (M. macrophthalma) inhabiting different areas in the North Atlantic and the Mediterranean was evaluated, in order to shed light on the challenges these deep water species are facing in the context of fishing activity and a warming climate. The data on the condition of Molva populations which we analyze here has been complemented with data on abundance and, for the southernmost species (Mediterranean ling), with two other health indicators (parasitism and hepatosomatic index). Despite some exceptions (e.g., common ling in Icelandic waters), this study shows that the condition of many populations of Molva species in the Northeastern Atlantic and the Mediterranean Sea has worsened, a trend which, in recent decades, has usually been found to be accompanied by a decline in their abundance. In addition, the poor health status of most of the populations of common ling, blue ling and Mediterranean ling considered in this analysis points to a lower sustainability of these populations in the future. Overall, the health status and abundance of Molva populations in the Northeastern Atlantic and the Mediterranean suggest that only some populations located in the north Atlantic may be able to rebuild, whereas the populations in southern North Atlantic and the Mediterranean, which are probably most at risk from sea warming, are facing serious difficulties in doing so. In the context of fisheries and global warming, our results strongly indicate that management bodies need to consider the health status of many of the populations of Molva species, particularly in southern European waters, before implementing their decisions. Article in Journal/Newspaper North Atlantic Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer) Journal of Fish Biology |
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 |
topic |
condition deep-water fish fisheries parasitism reproduction sea warming |
spellingShingle |
condition deep-water fish fisheries parasitism reproduction sea warming Lloret, Josep Serrat, Alba Þórðarson, Guðmundur Helle, Kristin Jadaud, Angelique Bruno, Isabel Ordines, Francesc Sartor, Paolo Carbonara, Pierluigi Rätz, Hans-joachim The poor health of deep-water species in the context of fishing activity and a warming climate: will populations of Molva species rebuild or collapse? |
topic_facet |
condition deep-water fish fisheries parasitism reproduction sea warming |
description |
Many deep‐water fish populations, being k‐selected species, have little resilience to overexploitation and may be at serious risk of depletion as a consequence. Sea warming represents an additional threat. In this study, the condition, or health, of several populations of common ling (Molva molva), blue ling (M. dypterygia) and Mediterranean or Spanish ling (M. macrophthalma) inhabiting different areas in the North Atlantic and the Mediterranean was evaluated, in order to shed light on the challenges these deep water species are facing in the context of fishing activity and a warming climate. The data on the condition of Molva populations which we analyze here has been complemented with data on abundance and, for the southernmost species (Mediterranean ling), with two other health indicators (parasitism and hepatosomatic index). Despite some exceptions (e.g., common ling in Icelandic waters), this study shows that the condition of many populations of Molva species in the Northeastern Atlantic and the Mediterranean Sea has worsened, a trend which, in recent decades, has usually been found to be accompanied by a decline in their abundance. In addition, the poor health status of most of the populations of common ling, blue ling and Mediterranean ling considered in this analysis points to a lower sustainability of these populations in the future. Overall, the health status and abundance of Molva populations in the Northeastern Atlantic and the Mediterranean suggest that only some populations located in the north Atlantic may be able to rebuild, whereas the populations in southern North Atlantic and the Mediterranean, which are probably most at risk from sea warming, are facing serious difficulties in doing so. In the context of fisheries and global warming, our results strongly indicate that management bodies need to consider the health status of many of the populations of Molva species, particularly in southern European waters, before implementing their decisions. |
format |
Article in Journal/Newspaper |
author |
Lloret, Josep Serrat, Alba Þórðarson, Guðmundur Helle, Kristin Jadaud, Angelique Bruno, Isabel Ordines, Francesc Sartor, Paolo Carbonara, Pierluigi Rätz, Hans-joachim |
author_facet |
Lloret, Josep Serrat, Alba Þórðarson, Guðmundur Helle, Kristin Jadaud, Angelique Bruno, Isabel Ordines, Francesc Sartor, Paolo Carbonara, Pierluigi Rätz, Hans-joachim |
author_sort |
Lloret, Josep |
title |
The poor health of deep-water species in the context of fishing activity and a warming climate: will populations of Molva species rebuild or collapse? |
title_short |
The poor health of deep-water species in the context of fishing activity and a warming climate: will populations of Molva species rebuild or collapse? |
title_full |
The poor health of deep-water species in the context of fishing activity and a warming climate: will populations of Molva species rebuild or collapse? |
title_fullStr |
The poor health of deep-water species in the context of fishing activity and a warming climate: will populations of Molva species rebuild or collapse? |
title_full_unstemmed |
The poor health of deep-water species in the context of fishing activity and a warming climate: will populations of Molva species rebuild or collapse? |
title_sort |
poor health of deep-water species in the context of fishing activity and a warming climate: will populations of molva species rebuild or collapse? |
publisher |
Wiley |
publishDate |
2021 |
url |
https://archimer.ifremer.fr/doc/00623/73502/72808.pdf https://doi.org/10.1111/jfb.14347 https://archimer.ifremer.fr/doc/00623/73502/ |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
Journal Of Fish Biology (0022-1112) (Wiley), 2021-06 , Vol. 98 , N. 6 , P. 1572-1584 |
op_relation |
https://archimer.ifremer.fr/doc/00623/73502/72808.pdf doi:10.1111/jfb.14347 https://archimer.ifremer.fr/doc/00623/73502/ |
op_rights |
info:eu-repo/semantics/openAccess restricted use |
op_doi |
https://doi.org/10.1111/jfb.14347 |
container_title |
Journal of Fish Biology |
_version_ |
1766125958355484672 |