Evaluating acoustic-trawl survey strategies using an end-to-end ecosystem model
Abstract Fisheries independent surveys support science and fisheries assessments but are costly. Evaluating the efficacy of a survey before initiating it could save costs. We used the NORWECOM.E2E model to simulate Northeast Atlantic mackerel and Norwegian spring spawning herring distributions in th...
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2020
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Online Access: | http://dx.doi.org/10.1093/icesjms/fsaa120 http://academic.oup.com/icesjms/article-pdf/77/7-8/2590/35589029/fsaa120.pdf |
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croxfordunivpr:10.1093/icesjms/fsaa120 2024-09-15T18:25:23+00:00 Evaluating acoustic-trawl survey strategies using an end-to-end ecosystem model Holmin, Arne Johannes Mousing, Erik A Hjøllo, Solfrid S Skogen, Morten D Huse, Geir Handegard, Nils Olav Demer, David The Norwegian Seafood Research Fund PELagic Fish Observation System Simulator Norwegian Sea Norwegian Ministry of Trade, Industry and Fisheries 2020 http://dx.doi.org/10.1093/icesjms/fsaa120 http://academic.oup.com/icesjms/article-pdf/77/7-8/2590/35589029/fsaa120.pdf en eng Oxford University Press (OUP) http://creativecommons.org/licenses/by/4.0/ ICES Journal of Marine Science volume 77, issue 7-8, page 2590-2599 ISSN 1095-9289 journal-article 2020 croxfordunivpr https://doi.org/10.1093/icesjms/fsaa120 2024-08-05T04:28:24Z Abstract Fisheries independent surveys support science and fisheries assessments but are costly. Evaluating the efficacy of a survey before initiating it could save costs. We used the NORWECOM.E2E model to simulate Northeast Atlantic mackerel and Norwegian spring spawning herring distributions in the Norwegian Sea, and we ran vessel transects in silico to simulate acoustic-trawl surveys. The simulated data were processed using standard survey estimation software and compared to the stock abundances in the ecosystem model. Three existing real surveys were manipulated to demonstrate how the simulation framework can be used to investigate effects of changes in survey timing, direction, and coverage on survey estimates. The method picked up general sources of biases and variance, i.e. that surveys conducted during fish migrations are more vulnerable in terms of bias to timing and changes in survey direction than during more stationary situations and that increased effort reduced the sampling variance. Article in Journal/Newspaper Northeast Atlantic Norwegian Sea Oxford University Press ICES Journal of Marine Science 77 7-8 2590 2599 |
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Open Polar |
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Oxford University Press |
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croxfordunivpr |
language |
English |
description |
Abstract Fisheries independent surveys support science and fisheries assessments but are costly. Evaluating the efficacy of a survey before initiating it could save costs. We used the NORWECOM.E2E model to simulate Northeast Atlantic mackerel and Norwegian spring spawning herring distributions in the Norwegian Sea, and we ran vessel transects in silico to simulate acoustic-trawl surveys. The simulated data were processed using standard survey estimation software and compared to the stock abundances in the ecosystem model. Three existing real surveys were manipulated to demonstrate how the simulation framework can be used to investigate effects of changes in survey timing, direction, and coverage on survey estimates. The method picked up general sources of biases and variance, i.e. that surveys conducted during fish migrations are more vulnerable in terms of bias to timing and changes in survey direction than during more stationary situations and that increased effort reduced the sampling variance. |
author2 |
Demer, David The Norwegian Seafood Research Fund PELagic Fish Observation System Simulator Norwegian Sea Norwegian Ministry of Trade, Industry and Fisheries |
format |
Article in Journal/Newspaper |
author |
Holmin, Arne Johannes Mousing, Erik A Hjøllo, Solfrid S Skogen, Morten D Huse, Geir Handegard, Nils Olav |
spellingShingle |
Holmin, Arne Johannes Mousing, Erik A Hjøllo, Solfrid S Skogen, Morten D Huse, Geir Handegard, Nils Olav Evaluating acoustic-trawl survey strategies using an end-to-end ecosystem model |
author_facet |
Holmin, Arne Johannes Mousing, Erik A Hjøllo, Solfrid S Skogen, Morten D Huse, Geir Handegard, Nils Olav |
author_sort |
Holmin, Arne Johannes |
title |
Evaluating acoustic-trawl survey strategies using an end-to-end ecosystem model |
title_short |
Evaluating acoustic-trawl survey strategies using an end-to-end ecosystem model |
title_full |
Evaluating acoustic-trawl survey strategies using an end-to-end ecosystem model |
title_fullStr |
Evaluating acoustic-trawl survey strategies using an end-to-end ecosystem model |
title_full_unstemmed |
Evaluating acoustic-trawl survey strategies using an end-to-end ecosystem model |
title_sort |
evaluating acoustic-trawl survey strategies using an end-to-end ecosystem model |
publisher |
Oxford University Press (OUP) |
publishDate |
2020 |
url |
http://dx.doi.org/10.1093/icesjms/fsaa120 http://academic.oup.com/icesjms/article-pdf/77/7-8/2590/35589029/fsaa120.pdf |
genre |
Northeast Atlantic Norwegian Sea |
genre_facet |
Northeast Atlantic Norwegian Sea |
op_source |
ICES Journal of Marine Science volume 77, issue 7-8, page 2590-2599 ISSN 1095-9289 |
op_rights |
http://creativecommons.org/licenses/by/4.0/ |
op_doi |
https://doi.org/10.1093/icesjms/fsaa120 |
container_title |
ICES Journal of Marine Science |
container_volume |
77 |
container_issue |
7-8 |
container_start_page |
2590 |
op_container_end_page |
2599 |
_version_ |
1810465887568789504 |