Estimation of total retained catch based on frequency of fishing trips, inspections at sea, transhipment, and VMS data
<qd> Aanes, S., Nedreaas, K., and Ulvatn, S. 2011. Estimation of total retained catch based on frequency of fishing trips, inspections at sea, transhipment, and VMS data. – ICES Journal of Marine Science, 68: 1598–1605. </qd>The satellite-based vessel monitoring system in the Norwegian E...
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fthighwire:oai:open-archive.highwire.org:icesjms:68/8/1598 2023-05-15T14:30:29+02:00 Estimation of total retained catch based on frequency of fishing trips, inspections at sea, transhipment, and VMS data Aanes, Sondre Nedreaas, Kjell Ulvatn, Sigbjørn 2011-09-01 00:00:00.0 text/html http://icesjms.oxfordjournals.org/cgi/content/short/68/8/1598 https://doi.org/10.1093/icesjms/fsr117 en eng Oxford University Press http://icesjms.oxfordjournals.org/cgi/content/short/68/8/1598 http://dx.doi.org/10.1093/icesjms/fsr117 Copyright (C) 2011, International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer Articles TEXT 2011 fthighwire https://doi.org/10.1093/icesjms/fsr117 2011-09-11T21:09:18Z <qd> Aanes, S., Nedreaas, K., and Ulvatn, S. 2011. Estimation of total retained catch based on frequency of fishing trips, inspections at sea, transhipment, and VMS data. – ICES Journal of Marine Science, 68: 1598–1605. </qd>The satellite-based vessel monitoring system in the Norwegian Economic Zone provides detailed information about individual trips by vessels. Vessel sizes are available through official registries, and the storage capacity for fish is estimated using the established conversion factors as a function of the vessel's gross registered tonnage. Scientists have had access to the database of both transport and fishing vessels, with records for individual trips, in addition to information about the total round weight (whole fish) of cod and haddock for trips inspected by the coastguard. The analysis assumes that trips with complete documentation of the fish on board are a random sample, so allowing estimation of the mean amount of both cod and haddock per trip, and annual totals give the number of trips per vessel annually. ICES has accepted this methodology for estimating illegal, unregulated, and unreported (IUU) catches, which has resulted in 15 000–166 000 t (3–35%) being added to the officially reported landings of Northeast Arctic cod during the years 2002–2008. IUU landings have decreased in recent years, but are so important for assessment and management that estimates continue to be made annually. Text Arctic cod Arctic Northeast Arctic cod HighWire Press (Stanford University) Arctic ICES Journal of Marine Science 68 8 1598 1605 |
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Articles Aanes, Sondre Nedreaas, Kjell Ulvatn, Sigbjørn Estimation of total retained catch based on frequency of fishing trips, inspections at sea, transhipment, and VMS data |
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Articles |
description |
<qd> Aanes, S., Nedreaas, K., and Ulvatn, S. 2011. Estimation of total retained catch based on frequency of fishing trips, inspections at sea, transhipment, and VMS data. – ICES Journal of Marine Science, 68: 1598–1605. </qd>The satellite-based vessel monitoring system in the Norwegian Economic Zone provides detailed information about individual trips by vessels. Vessel sizes are available through official registries, and the storage capacity for fish is estimated using the established conversion factors as a function of the vessel's gross registered tonnage. Scientists have had access to the database of both transport and fishing vessels, with records for individual trips, in addition to information about the total round weight (whole fish) of cod and haddock for trips inspected by the coastguard. The analysis assumes that trips with complete documentation of the fish on board are a random sample, so allowing estimation of the mean amount of both cod and haddock per trip, and annual totals give the number of trips per vessel annually. ICES has accepted this methodology for estimating illegal, unregulated, and unreported (IUU) catches, which has resulted in 15 000–166 000 t (3–35%) being added to the officially reported landings of Northeast Arctic cod during the years 2002–2008. IUU landings have decreased in recent years, but are so important for assessment and management that estimates continue to be made annually. |
format |
Text |
author |
Aanes, Sondre Nedreaas, Kjell Ulvatn, Sigbjørn |
author_facet |
Aanes, Sondre Nedreaas, Kjell Ulvatn, Sigbjørn |
author_sort |
Aanes, Sondre |
title |
Estimation of total retained catch based on frequency of fishing trips, inspections at sea, transhipment, and VMS data |
title_short |
Estimation of total retained catch based on frequency of fishing trips, inspections at sea, transhipment, and VMS data |
title_full |
Estimation of total retained catch based on frequency of fishing trips, inspections at sea, transhipment, and VMS data |
title_fullStr |
Estimation of total retained catch based on frequency of fishing trips, inspections at sea, transhipment, and VMS data |
title_full_unstemmed |
Estimation of total retained catch based on frequency of fishing trips, inspections at sea, transhipment, and VMS data |
title_sort |
estimation of total retained catch based on frequency of fishing trips, inspections at sea, transhipment, and vms data |
publisher |
Oxford University Press |
publishDate |
2011 |
url |
http://icesjms.oxfordjournals.org/cgi/content/short/68/8/1598 https://doi.org/10.1093/icesjms/fsr117 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic cod Arctic Northeast Arctic cod |
genre_facet |
Arctic cod Arctic Northeast Arctic cod |
op_relation |
http://icesjms.oxfordjournals.org/cgi/content/short/68/8/1598 http://dx.doi.org/10.1093/icesjms/fsr117 |
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/fsr117 |
container_title |
ICES Journal of Marine Science |
container_volume |
68 |
container_issue |
8 |
container_start_page |
1598 |
op_container_end_page |
1605 |
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1766304324534665216 |