A model-based evaluation of Marine Protected Areas: the example of eastern Baltic cod (Gadus morhua callarias L.)
Abstract Kraus, G., Pelletier, D., Dubreuil, J., Möllmann, C., Hinrichsen, H-H., Bastardie, F., Vermard, Y., and Mahévas, S. 2009. A model-based evaluation of Marine Protected Areas: the example of eastern Baltic cod (Gadus morhua callarias L.). – ICES Journal of Marine Science, 66: 109–121. The eas...
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Online Access: | http://dx.doi.org/10.1093/icesjms/fsn166 http://academic.oup.com/icesjms/article-pdf/66/1/109/29131661/fsn166.pdf |
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croxfordunivpr:10.1093/icesjms/fsn166 2024-05-19T07:40:34+00:00 A model-based evaluation of Marine Protected Areas: the example of eastern Baltic cod (Gadus morhua callarias L.) Kraus, Gerd Pelletier, Dominique Dubreuil, Julien Möllmann, Christian Hinrichsen, Hans-Harald Bastardie, Francois Vermard, Youen Mahévas, Stéphanie 2008 http://dx.doi.org/10.1093/icesjms/fsn166 http://academic.oup.com/icesjms/article-pdf/66/1/109/29131661/fsn166.pdf en eng Oxford University Press (OUP) ICES Journal of Marine Science volume 66, issue 1, page 109-121 ISSN 1095-9289 1054-3139 journal-article 2008 croxfordunivpr https://doi.org/10.1093/icesjms/fsn166 2024-05-02T09:32:03Z Abstract Kraus, G., Pelletier, D., Dubreuil, J., Möllmann, C., Hinrichsen, H-H., Bastardie, F., Vermard, Y., and Mahévas, S. 2009. A model-based evaluation of Marine Protected Areas: the example of eastern Baltic cod (Gadus morhua callarias L.). – ICES Journal of Marine Science, 66: 109–121. The eastern Baltic cod stock collapsed as a consequence of climate-driven adverse hydrographic conditions and overfishing and has remained at historically low levels. Spatio-temporal fishing closures [Marine Protected Areas (MPAs)] have been implemented since 1995, to protect and restore the spawning stock. However, no signs of recovery have been observed yet, either suggesting that MPAs are an inappropriate management measure or pointing towards suboptimal closure design. We used the spatially explicit fishery simulation model ISIS-Fish to evaluate proposed and implemented fishery closures, combining an age-structured population module with a multifleet exploitation module and a management module in a single model environment. The model is parameterized based on (i) the large amount of biological knowledge available for cod and (ii) an analysis of existing spatially disaggregated fishery data. As the population dynamics of eastern Baltic cod depend strongly on the climate-driven hydrographic regime, we considered two production regimes of the stock. MPAs were only effective for stock recovery when they reduced overall fishing effort. The performance of MPAs needs to be evaluated relative to environmental regimes, especially for stocks facing strong environmental variability. Article in Journal/Newspaper Gadus morhua Oxford University Press ICES Journal of Marine Science 66 1 109 121 |
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Oxford University Press |
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croxfordunivpr |
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English |
description |
Abstract Kraus, G., Pelletier, D., Dubreuil, J., Möllmann, C., Hinrichsen, H-H., Bastardie, F., Vermard, Y., and Mahévas, S. 2009. A model-based evaluation of Marine Protected Areas: the example of eastern Baltic cod (Gadus morhua callarias L.). – ICES Journal of Marine Science, 66: 109–121. The eastern Baltic cod stock collapsed as a consequence of climate-driven adverse hydrographic conditions and overfishing and has remained at historically low levels. Spatio-temporal fishing closures [Marine Protected Areas (MPAs)] have been implemented since 1995, to protect and restore the spawning stock. However, no signs of recovery have been observed yet, either suggesting that MPAs are an inappropriate management measure or pointing towards suboptimal closure design. We used the spatially explicit fishery simulation model ISIS-Fish to evaluate proposed and implemented fishery closures, combining an age-structured population module with a multifleet exploitation module and a management module in a single model environment. The model is parameterized based on (i) the large amount of biological knowledge available for cod and (ii) an analysis of existing spatially disaggregated fishery data. As the population dynamics of eastern Baltic cod depend strongly on the climate-driven hydrographic regime, we considered two production regimes of the stock. MPAs were only effective for stock recovery when they reduced overall fishing effort. The performance of MPAs needs to be evaluated relative to environmental regimes, especially for stocks facing strong environmental variability. |
format |
Article in Journal/Newspaper |
author |
Kraus, Gerd Pelletier, Dominique Dubreuil, Julien Möllmann, Christian Hinrichsen, Hans-Harald Bastardie, Francois Vermard, Youen Mahévas, Stéphanie |
spellingShingle |
Kraus, Gerd Pelletier, Dominique Dubreuil, Julien Möllmann, Christian Hinrichsen, Hans-Harald Bastardie, Francois Vermard, Youen Mahévas, Stéphanie A model-based evaluation of Marine Protected Areas: the example of eastern Baltic cod (Gadus morhua callarias L.) |
author_facet |
Kraus, Gerd Pelletier, Dominique Dubreuil, Julien Möllmann, Christian Hinrichsen, Hans-Harald Bastardie, Francois Vermard, Youen Mahévas, Stéphanie |
author_sort |
Kraus, Gerd |
title |
A model-based evaluation of Marine Protected Areas: the example of eastern Baltic cod (Gadus morhua callarias L.) |
title_short |
A model-based evaluation of Marine Protected Areas: the example of eastern Baltic cod (Gadus morhua callarias L.) |
title_full |
A model-based evaluation of Marine Protected Areas: the example of eastern Baltic cod (Gadus morhua callarias L.) |
title_fullStr |
A model-based evaluation of Marine Protected Areas: the example of eastern Baltic cod (Gadus morhua callarias L.) |
title_full_unstemmed |
A model-based evaluation of Marine Protected Areas: the example of eastern Baltic cod (Gadus morhua callarias L.) |
title_sort |
model-based evaluation of marine protected areas: the example of eastern baltic cod (gadus morhua callarias l.) |
publisher |
Oxford University Press (OUP) |
publishDate |
2008 |
url |
http://dx.doi.org/10.1093/icesjms/fsn166 http://academic.oup.com/icesjms/article-pdf/66/1/109/29131661/fsn166.pdf |
genre |
Gadus morhua |
genre_facet |
Gadus morhua |
op_source |
ICES Journal of Marine Science volume 66, issue 1, page 109-121 ISSN 1095-9289 1054-3139 |
op_doi |
https://doi.org/10.1093/icesjms/fsn166 |
container_title |
ICES Journal of Marine Science |
container_volume |
66 |
container_issue |
1 |
container_start_page |
109 |
op_container_end_page |
121 |
_version_ |
1799480146683494400 |