A revised target strength-length estimate for blue whiting (Micromesistius poutassou): implications for biomass estimates
<qd> Pedersen, G., Godø, O. R., Ona, E., and Macaulay, G. J. A revised target strength–length estimate for blue whiting ( Micromesistius poutassou ): implications for biomass estimates. – ICES Journal of Marine Science, doi:10.1093/icesjms/fsr142. </qd>Acoustic abundance estimates of blu...
Published in: | ICES Journal of Marine Science |
---|---|
Main Authors: | , , , |
Format: | Text |
Language: | English |
Published: |
Oxford University Press
2011
|
Subjects: | |
Online Access: | http://icesjms.oxfordjournals.org/cgi/content/short/fsr142v1 https://doi.org/10.1093/icesjms/fsr142 |
id |
fthighwire:oai:open-archive.highwire.org:icesjms:fsr142v1 |
---|---|
record_format |
openpolar |
spelling |
fthighwire:oai:open-archive.highwire.org:icesjms:fsr142v1 2023-05-15T17:47:05+02:00 A revised target strength-length estimate for blue whiting (Micromesistius poutassou): implications for biomass estimates Pedersen, Geir Godø, Olav Rune Ona, Egil Macaulay, Gavin J. 2011-09-13 20:55:39.0 text/html http://icesjms.oxfordjournals.org/cgi/content/short/fsr142v1 https://doi.org/10.1093/icesjms/fsr142 en eng Oxford University Press http://icesjms.oxfordjournals.org/cgi/content/short/fsr142v1 http://dx.doi.org/10.1093/icesjms/fsr142 Copyright (C) 2011, International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer Article TEXT 2011 fthighwire https://doi.org/10.1093/icesjms/fsr142 2013-05-26T22:47:18Z <qd> Pedersen, G., Godø, O. R., Ona, E., and Macaulay, G. J. A revised target strength–length estimate for blue whiting ( Micromesistius poutassou ): implications for biomass estimates. – ICES Journal of Marine Science, doi:10.1093/icesjms/fsr142. </qd>Acoustic abundance estimates of blue whiting have generally been higher than estimates based on catch data. One explanation has been that the relationship between acoustic target strength ( TS ) and length is too low and hence overestimates the number of fish. Measurements of TS were conducted during surveys of blue whiting in March/April 2003–2007 to the west of the British Isles from several different measurement platforms, and also during August 2005 in the Norwegian Sea. Results from these experiments confirm the view that the existing TS –length relationship is too low. A new TS –length relationship is proposed that is ∼5 dB higher. Blue whiting TS is considerably higher than observed and modelled for a similar species, southern blue whiting ( Micromesistius australis ). Text Norwegian Sea HighWire Press (Stanford University) Norwegian Sea Pedersen ENVELOPE(140.013,140.013,-66.668,-66.668) ICES Journal of Marine Science 68 10 2222 2228 |
institution |
Open Polar |
collection |
HighWire Press (Stanford University) |
op_collection_id |
fthighwire |
language |
English |
topic |
Article |
spellingShingle |
Article Pedersen, Geir Godø, Olav Rune Ona, Egil Macaulay, Gavin J. A revised target strength-length estimate for blue whiting (Micromesistius poutassou): implications for biomass estimates |
topic_facet |
Article |
description |
<qd> Pedersen, G., Godø, O. R., Ona, E., and Macaulay, G. J. A revised target strength–length estimate for blue whiting ( Micromesistius poutassou ): implications for biomass estimates. – ICES Journal of Marine Science, doi:10.1093/icesjms/fsr142. </qd>Acoustic abundance estimates of blue whiting have generally been higher than estimates based on catch data. One explanation has been that the relationship between acoustic target strength ( TS ) and length is too low and hence overestimates the number of fish. Measurements of TS were conducted during surveys of blue whiting in March/April 2003–2007 to the west of the British Isles from several different measurement platforms, and also during August 2005 in the Norwegian Sea. Results from these experiments confirm the view that the existing TS –length relationship is too low. A new TS –length relationship is proposed that is ∼5 dB higher. Blue whiting TS is considerably higher than observed and modelled for a similar species, southern blue whiting ( Micromesistius australis ). |
format |
Text |
author |
Pedersen, Geir Godø, Olav Rune Ona, Egil Macaulay, Gavin J. |
author_facet |
Pedersen, Geir Godø, Olav Rune Ona, Egil Macaulay, Gavin J. |
author_sort |
Pedersen, Geir |
title |
A revised target strength-length estimate for blue whiting (Micromesistius poutassou): implications for biomass estimates |
title_short |
A revised target strength-length estimate for blue whiting (Micromesistius poutassou): implications for biomass estimates |
title_full |
A revised target strength-length estimate for blue whiting (Micromesistius poutassou): implications for biomass estimates |
title_fullStr |
A revised target strength-length estimate for blue whiting (Micromesistius poutassou): implications for biomass estimates |
title_full_unstemmed |
A revised target strength-length estimate for blue whiting (Micromesistius poutassou): implications for biomass estimates |
title_sort |
revised target strength-length estimate for blue whiting (micromesistius poutassou): implications for biomass estimates |
publisher |
Oxford University Press |
publishDate |
2011 |
url |
http://icesjms.oxfordjournals.org/cgi/content/short/fsr142v1 https://doi.org/10.1093/icesjms/fsr142 |
long_lat |
ENVELOPE(140.013,140.013,-66.668,-66.668) |
geographic |
Norwegian Sea Pedersen |
geographic_facet |
Norwegian Sea Pedersen |
genre |
Norwegian Sea |
genre_facet |
Norwegian Sea |
op_relation |
http://icesjms.oxfordjournals.org/cgi/content/short/fsr142v1 http://dx.doi.org/10.1093/icesjms/fsr142 |
op_rights |
Copyright (C) 2011, International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer |
op_doi |
https://doi.org/10.1093/icesjms/fsr142 |
container_title |
ICES Journal of Marine Science |
container_volume |
68 |
container_issue |
10 |
container_start_page |
2222 |
op_container_end_page |
2228 |
_version_ |
1766151375232696320 |