The evaluation of two management strategies for the Gulf of Alaska walleye pollock fishery under climate change
<qd> A'mar, Z. T., Punt, A. E., and Dorn, M. W. 2009. The evaluation of two management strategies for the Gulf of Alaska walleye pollock fishery under climate change. – ICES Journal of Marine Science, 66: 000–000. </qd>Management strategy evaluation (MSE) is the process of using sim...
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fthighwire:oai:open-archive.highwire.org:icesjms:fsp044v1 2023-05-15T18:32:52+02:00 The evaluation of two management strategies for the Gulf of Alaska walleye pollock fishery under climate change A'mar, Z. Teresa Punt, André E. Dorn, Martin W. 2009-03-12 23:48:10.0 text/html http://icesjms.oxfordjournals.org/cgi/content/short/fsp044v1 https://doi.org/10.1093/icesjms/fsp044 en eng Oxford University Press http://icesjms.oxfordjournals.org/cgi/content/short/fsp044v1 http://dx.doi.org/10.1093/icesjms/fsp044 Copyright (C) 2009, International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer Effects of Climate Change on the World's Oceans TEXT 2009 fthighwire https://doi.org/10.1093/icesjms/fsp044 2013-05-26T22:25:54Z <qd> A'mar, Z. T., Punt, A. E., and Dorn, M. W. 2009. The evaluation of two management strategies for the Gulf of Alaska walleye pollock fishery under climate change. – ICES Journal of Marine Science, 66: 000–000. </qd>Management strategy evaluation (MSE) is the process of using simulation testing with feedback to examine the robustness of candidate management strategies to error and uncertainty. The structure of the management strategy can be selected to attempt to satisfy desired (but conflicting) management objectives. MSE was used to assess the performance of the current management strategy and an alternative management strategy (the “dynamic B 0 ” strategy) for the fishery for walleye pollock ( Theragra chalcogramma ) in the Gulf of Alaska (GOA), when age-1 recruitment was driven by climate. The relationships between age-1 abundance and climate indices (and the uncertainties associated with these relationships) were characterized within an age-structured operating model that was fitted to the data for GOA walleye pollock. Projections into the future were based on the fitted relationships and predictions of those indices from the Intergovernmental Panel on Climate Change (IPCC) models, using the current or the alternative management strategy to determine catch limits. Management performance (the ability to leave the stock close to the management reference level and achieve high and stable catches) deteriorated when age-1 recruitment was forced by climate, although stocks were kept near the reference level on average. In addition, the ability to estimate management-related quantities, such as spawning biomass, deteriorated markedly when recruitment was forced by climate. Performance was sensitive to the choice of IPCC dataset and, in particular, estimation and management performance was poorest (outcomes most variable) for the IPCC datasets that led to the greatest variation in recruitment to the fishery. Although basing management on a “dynamic B 0 ” management strategy led to improved management ... Text Theragra chalcogramma Alaska HighWire Press (Stanford University) Gulf of Alaska ICES Journal of Marine Science 66 7 1614 1632 |
institution |
Open Polar |
collection |
HighWire Press (Stanford University) |
op_collection_id |
fthighwire |
language |
English |
topic |
Effects of Climate Change on the World's Oceans |
spellingShingle |
Effects of Climate Change on the World's Oceans A'mar, Z. Teresa Punt, André E. Dorn, Martin W. The evaluation of two management strategies for the Gulf of Alaska walleye pollock fishery under climate change |
topic_facet |
Effects of Climate Change on the World's Oceans |
description |
<qd> A'mar, Z. T., Punt, A. E., and Dorn, M. W. 2009. The evaluation of two management strategies for the Gulf of Alaska walleye pollock fishery under climate change. – ICES Journal of Marine Science, 66: 000–000. </qd>Management strategy evaluation (MSE) is the process of using simulation testing with feedback to examine the robustness of candidate management strategies to error and uncertainty. The structure of the management strategy can be selected to attempt to satisfy desired (but conflicting) management objectives. MSE was used to assess the performance of the current management strategy and an alternative management strategy (the “dynamic B 0 ” strategy) for the fishery for walleye pollock ( Theragra chalcogramma ) in the Gulf of Alaska (GOA), when age-1 recruitment was driven by climate. The relationships between age-1 abundance and climate indices (and the uncertainties associated with these relationships) were characterized within an age-structured operating model that was fitted to the data for GOA walleye pollock. Projections into the future were based on the fitted relationships and predictions of those indices from the Intergovernmental Panel on Climate Change (IPCC) models, using the current or the alternative management strategy to determine catch limits. Management performance (the ability to leave the stock close to the management reference level and achieve high and stable catches) deteriorated when age-1 recruitment was forced by climate, although stocks were kept near the reference level on average. In addition, the ability to estimate management-related quantities, such as spawning biomass, deteriorated markedly when recruitment was forced by climate. Performance was sensitive to the choice of IPCC dataset and, in particular, estimation and management performance was poorest (outcomes most variable) for the IPCC datasets that led to the greatest variation in recruitment to the fishery. Although basing management on a “dynamic B 0 ” management strategy led to improved management ... |
format |
Text |
author |
A'mar, Z. Teresa Punt, André E. Dorn, Martin W. |
author_facet |
A'mar, Z. Teresa Punt, André E. Dorn, Martin W. |
author_sort |
A'mar, Z. Teresa |
title |
The evaluation of two management strategies for the Gulf of Alaska walleye pollock fishery under climate change |
title_short |
The evaluation of two management strategies for the Gulf of Alaska walleye pollock fishery under climate change |
title_full |
The evaluation of two management strategies for the Gulf of Alaska walleye pollock fishery under climate change |
title_fullStr |
The evaluation of two management strategies for the Gulf of Alaska walleye pollock fishery under climate change |
title_full_unstemmed |
The evaluation of two management strategies for the Gulf of Alaska walleye pollock fishery under climate change |
title_sort |
evaluation of two management strategies for the gulf of alaska walleye pollock fishery under climate change |
publisher |
Oxford University Press |
publishDate |
2009 |
url |
http://icesjms.oxfordjournals.org/cgi/content/short/fsp044v1 https://doi.org/10.1093/icesjms/fsp044 |
geographic |
Gulf of Alaska |
geographic_facet |
Gulf of Alaska |
genre |
Theragra chalcogramma Alaska |
genre_facet |
Theragra chalcogramma Alaska |
op_relation |
http://icesjms.oxfordjournals.org/cgi/content/short/fsp044v1 http://dx.doi.org/10.1093/icesjms/fsp044 |
op_rights |
Copyright (C) 2009, International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer |
op_doi |
https://doi.org/10.1093/icesjms/fsp044 |
container_title |
ICES Journal of Marine Science |
container_volume |
66 |
container_issue |
7 |
container_start_page |
1614 |
op_container_end_page |
1632 |
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1766217073713741824 |