Lobster and cod benefit from small-scale northern marine protected areas : inference from an empirical before - after control-impact study

Marine protected areas (MPAs) are increasingly implemented as tools to conserve and manage fisheries and target species. Because there are opportunity costs to conservation, there is a need for science-based assessment of MPAs. Here, we present one of the northernmost documentations of MPA effects t...

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Published in:Proceedings of the Royal Society B: Biological Sciences
Main Authors: Moland, Even, Olsen, Esben Moland, Knutsen, Halvor, Garrigou, Pauline, Espeland, Sigurd Heiberg, Kleiven, Alf Ring, André, Carl, Knutsen, Jan Atle
Format: Article in Journal/Newspaper
Language:English
Published: The Royal Society 2013
Subjects:
Online Access:http://hdl.handle.net/11250/138269
https://doi.org/10.1098/rspb.2012.2679
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spelling ftagderuniv:oai:uia.brage.unit.no:11250/138269 2024-05-19T07:37:07+00:00 Lobster and cod benefit from small-scale northern marine protected areas : inference from an empirical before - after control-impact study Moland, Even Olsen, Esben Moland Knutsen, Halvor Garrigou, Pauline Espeland, Sigurd Heiberg Kleiven, Alf Ring André, Carl Knutsen, Jan Atle 2013 application/pdf http://hdl.handle.net/11250/138269 https://doi.org/10.1098/rspb.2012.2679 eng eng The Royal Society Moland, E., Olsen, E. M., Knutsen, H., Garrigou, P., Espeland, S. H., Kleiven, A. R., . Knutsen, J. A. (2013). Lobster and cod benefit from small-scale northern marine protected areas : inference from an empirical before - after control-impact study. Proceedings of the Royal Society B-Biological Sciences, 280(1754). urn:issn:1471-2954 http://hdl.handle.net/11250/138269 https://doi.org/10.1098/rspb.2012.2679 Navngivelse 3.0 Internasjonal https://creativecommons.org/licenses/by/3.0/ © 2013 The Author(s) 9 280 Proceedings of the Royal Society B 1754 VDP::Agriculture and fishery disciplines: 900::Fisheries science: 920::Resource biology: 921 VDP::Mathematics and natural science: 400::Zoology and botany: 480::Marine biology: 497 Journal article Peer reviewed 2013 ftagderuniv https://doi.org/10.1098/rspb.2012.2679 2024-04-23T23:53:27Z Marine protected areas (MPAs) are increasingly implemented as tools to conserve and manage fisheries and target species. Because there are opportunity costs to conservation, there is a need for science-based assessment of MPAs. Here, we present one of the northernmost documentations of MPA effects to date, demonstrated by a replicated before-after control-impact (BACI) approach. In 2006, MPAs were implemented along the Norwegian Skagerrak coast offering complete protection to shellfish and partial protection to fish. By 2010, European lobster (Homarus gammarus) catch-per-unit-effort (CPUE) had increased by 245 per cent in MPAs, whereas CPUE in control areas had increased by 87 per cent. Mean size of lobsters increased by 13 per cent in MPAs, whereas increase in control areas was negligible. Furthermore, MPA-responses and population development in control areas varied significantly among regions. This illustrates the importance of a replicated BACI design for reaching robust conclusions and management decisions. Partial protection of Atlantic cod (Gadus morhua) was followed by an increase in population density and body size compared with control areas. By 2010, MPA cod were on average 5 cm longer than in any of the control areas. MPAs can be useful management tools in rebuilding and conserving portions of depleted lobster populations in northern temperate waters, and even for a mobile temperate fish species such as the Atlantic cod. Article in Journal/Newspaper atlantic cod European lobster Gadus morhua Homarus gammarus Unvieristy of Agder: AURA Proceedings of the Royal Society B: Biological Sciences 280 1754 20122679
institution Open Polar
collection Unvieristy of Agder: AURA
op_collection_id ftagderuniv
language English
topic VDP::Agriculture and fishery disciplines: 900::Fisheries science: 920::Resource biology: 921
VDP::Mathematics and natural science: 400::Zoology and botany: 480::Marine biology: 497
spellingShingle VDP::Agriculture and fishery disciplines: 900::Fisheries science: 920::Resource biology: 921
VDP::Mathematics and natural science: 400::Zoology and botany: 480::Marine biology: 497
Moland, Even
Olsen, Esben Moland
Knutsen, Halvor
Garrigou, Pauline
Espeland, Sigurd Heiberg
Kleiven, Alf Ring
André, Carl
Knutsen, Jan Atle
Lobster and cod benefit from small-scale northern marine protected areas : inference from an empirical before - after control-impact study
topic_facet VDP::Agriculture and fishery disciplines: 900::Fisheries science: 920::Resource biology: 921
VDP::Mathematics and natural science: 400::Zoology and botany: 480::Marine biology: 497
description Marine protected areas (MPAs) are increasingly implemented as tools to conserve and manage fisheries and target species. Because there are opportunity costs to conservation, there is a need for science-based assessment of MPAs. Here, we present one of the northernmost documentations of MPA effects to date, demonstrated by a replicated before-after control-impact (BACI) approach. In 2006, MPAs were implemented along the Norwegian Skagerrak coast offering complete protection to shellfish and partial protection to fish. By 2010, European lobster (Homarus gammarus) catch-per-unit-effort (CPUE) had increased by 245 per cent in MPAs, whereas CPUE in control areas had increased by 87 per cent. Mean size of lobsters increased by 13 per cent in MPAs, whereas increase in control areas was negligible. Furthermore, MPA-responses and population development in control areas varied significantly among regions. This illustrates the importance of a replicated BACI design for reaching robust conclusions and management decisions. Partial protection of Atlantic cod (Gadus morhua) was followed by an increase in population density and body size compared with control areas. By 2010, MPA cod were on average 5 cm longer than in any of the control areas. MPAs can be useful management tools in rebuilding and conserving portions of depleted lobster populations in northern temperate waters, and even for a mobile temperate fish species such as the Atlantic cod.
format Article in Journal/Newspaper
author Moland, Even
Olsen, Esben Moland
Knutsen, Halvor
Garrigou, Pauline
Espeland, Sigurd Heiberg
Kleiven, Alf Ring
André, Carl
Knutsen, Jan Atle
author_facet Moland, Even
Olsen, Esben Moland
Knutsen, Halvor
Garrigou, Pauline
Espeland, Sigurd Heiberg
Kleiven, Alf Ring
André, Carl
Knutsen, Jan Atle
author_sort Moland, Even
title Lobster and cod benefit from small-scale northern marine protected areas : inference from an empirical before - after control-impact study
title_short Lobster and cod benefit from small-scale northern marine protected areas : inference from an empirical before - after control-impact study
title_full Lobster and cod benefit from small-scale northern marine protected areas : inference from an empirical before - after control-impact study
title_fullStr Lobster and cod benefit from small-scale northern marine protected areas : inference from an empirical before - after control-impact study
title_full_unstemmed Lobster and cod benefit from small-scale northern marine protected areas : inference from an empirical before - after control-impact study
title_sort lobster and cod benefit from small-scale northern marine protected areas : inference from an empirical before - after control-impact study
publisher The Royal Society
publishDate 2013
url http://hdl.handle.net/11250/138269
https://doi.org/10.1098/rspb.2012.2679
genre atlantic cod
European lobster
Gadus morhua
Homarus gammarus
genre_facet atlantic cod
European lobster
Gadus morhua
Homarus gammarus
op_source 9
280
Proceedings of the Royal Society B
1754
op_relation Moland, E., Olsen, E. M., Knutsen, H., Garrigou, P., Espeland, S. H., Kleiven, A. R., . Knutsen, J. A. (2013). Lobster and cod benefit from small-scale northern marine protected areas : inference from an empirical before - after control-impact study. Proceedings of the Royal Society B-Biological Sciences, 280(1754).
urn:issn:1471-2954
http://hdl.handle.net/11250/138269
https://doi.org/10.1098/rspb.2012.2679
op_rights Navngivelse 3.0 Internasjonal
https://creativecommons.org/licenses/by/3.0/
© 2013 The Author(s)
op_doi https://doi.org/10.1098/rspb.2012.2679
container_title Proceedings of the Royal Society B: Biological Sciences
container_volume 280
container_issue 1754
container_start_page 20122679
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