A revised target strength–length estimate for blue whiting (Micromesistius poutassou): implications for biomass estimates
Abstract Pedersen, G., Godø, O. R., Ona, E., and Macaulay, G. J. 2011. A revised target strength–length estimate for blue whiting (Micromesistius poutassou): implications for biomass estimates. – ICES Journal of Marine Science, 68: 2222–2228. Acoustic abundance estimates of blue whiting have general...
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Online Access: | http://dx.doi.org/10.1093/icesjms/fsr142 http://academic.oup.com/icesjms/article-pdf/68/10/2222/29142772/fsr142.pdf |
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croxfordunivpr:10.1093/icesjms/fsr142 2023-10-01T03:58:25+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 http://dx.doi.org/10.1093/icesjms/fsr142 http://academic.oup.com/icesjms/article-pdf/68/10/2222/29142772/fsr142.pdf en eng Oxford University Press (OUP) ICES Journal of Marine Science volume 68, issue 10, page 2222-2228 ISSN 1095-9289 1054-3139 Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics Oceanography journal-article 2011 croxfordunivpr https://doi.org/10.1093/icesjms/fsr142 2023-09-08T10:47:37Z Abstract Pedersen, G., Godø, O. R., Ona, E., and Macaulay, G. J. 2011. A revised target strength–length estimate for blue whiting (Micromesistius poutassou): implications for biomass estimates. – ICES Journal of Marine Science, 68: 2222–2228. 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). Article in Journal/Newspaper Norwegian Sea Oxford University Press (via Crossref) 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 |
Oxford University Press (via Crossref) |
op_collection_id |
croxfordunivpr |
language |
English |
topic |
Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics Oceanography |
spellingShingle |
Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics Oceanography 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 |
Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics Oceanography |
description |
Abstract Pedersen, G., Godø, O. R., Ona, E., and Macaulay, G. J. 2011. A revised target strength–length estimate for blue whiting (Micromesistius poutassou): implications for biomass estimates. – ICES Journal of Marine Science, 68: 2222–2228. 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 |
Article in Journal/Newspaper |
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 (OUP) |
publishDate |
2011 |
url |
http://dx.doi.org/10.1093/icesjms/fsr142 http://academic.oup.com/icesjms/article-pdf/68/10/2222/29142772/fsr142.pdf |
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_source |
ICES Journal of Marine Science volume 68, issue 10, page 2222-2228 ISSN 1095-9289 1054-3139 |
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_ |
1778531163353120768 |