Evaluating acoustic-trawl survey strategies using an end-to-end ecosystem model
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 Norwegi...
Published in: | ICES Journal of Marine Science |
---|---|
Main Authors: | , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
2020
|
Subjects: | |
Online Access: | https://hdl.handle.net/11250/2712537 https://doi.org/10.1093/icesjms/fsaa120 |
id |
ftimr:oai:imr.brage.unit.no:11250/2712537 |
---|---|
record_format |
openpolar |
spelling |
ftimr:oai:imr.brage.unit.no:11250/2712537 2023-05-15T17:41:23+02:00 Evaluating acoustic-trawl survey strategies using an end-to-end ecosystem model Holmin, Arne Johannes Mousing, Erik Askov Skogen, Morten D. Hjøllo, Solfrid Sætre Huse, Geir Handegard, Nils Olav 2020 application/pdf https://hdl.handle.net/11250/2712537 https://doi.org/10.1093/icesjms/fsaa120 eng eng EC/H2020/677038 Fiskeri- og havbruksnæringens forskningsfinansiering: 901319 Norges forskningsråd: 299554 ICES Journal of Marine Science. 2020, . urn:issn:1054-3139 https://hdl.handle.net/11250/2712537 https://doi.org/10.1093/icesjms/fsaa120 cristin:1855079 10 ICES Journal of Marine Science Peer reviewed Journal article 2020 ftimr https://doi.org/10.1093/icesjms/fsaa120 2021-09-23T20:15:59Z 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. publishedVersion Article in Journal/Newspaper Northeast Atlantic Norwegian Sea Institute for Marine Research: Brage IMR Norwegian Sea ICES Journal of Marine Science 77 7-8 2590 2599 |
institution |
Open Polar |
collection |
Institute for Marine Research: Brage IMR |
op_collection_id |
ftimr |
language |
English |
description |
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. publishedVersion |
format |
Article in Journal/Newspaper |
author |
Holmin, Arne Johannes Mousing, Erik Askov Skogen, Morten D. Hjøllo, Solfrid Sætre Huse, Geir Handegard, Nils Olav |
spellingShingle |
Holmin, Arne Johannes Mousing, Erik Askov Skogen, Morten D. Hjøllo, Solfrid Sætre Huse, Geir Handegard, Nils Olav Evaluating acoustic-trawl survey strategies using an end-to-end ecosystem model |
author_facet |
Holmin, Arne Johannes Mousing, Erik Askov Skogen, Morten D. Hjøllo, Solfrid Sætre 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 |
publishDate |
2020 |
url |
https://hdl.handle.net/11250/2712537 https://doi.org/10.1093/icesjms/fsaa120 |
geographic |
Norwegian Sea |
geographic_facet |
Norwegian Sea |
genre |
Northeast Atlantic Norwegian Sea |
genre_facet |
Northeast Atlantic Norwegian Sea |
op_source |
10 ICES Journal of Marine Science |
op_relation |
EC/H2020/677038 Fiskeri- og havbruksnæringens forskningsfinansiering: 901319 Norges forskningsråd: 299554 ICES Journal of Marine Science. 2020, . urn:issn:1054-3139 https://hdl.handle.net/11250/2712537 https://doi.org/10.1093/icesjms/fsaa120 cristin:1855079 |
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_ |
1766142898485592064 |