Estimation of total retained catch based on frequency of fishing trips, inspections at sea, transhipment, and VMS data
Abstract 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. The satellite-based vessel monitoring system in the Norwegian Economic Zone...
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Online Access: | http://dx.doi.org/10.1093/icesjms/fsr117 http://academic.oup.com/icesjms/article-pdf/68/8/1598/29140070/fsr117.pdf |
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croxfordunivpr:10.1093/icesjms/fsr117 2024-05-12T07:57:55+00:00 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 http://dx.doi.org/10.1093/icesjms/fsr117 http://academic.oup.com/icesjms/article-pdf/68/8/1598/29140070/fsr117.pdf en eng Oxford University Press (OUP) ICES Journal of Marine Science volume 68, issue 8, page 1598-1605 ISSN 1095-9289 1054-3139 Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics Oceanography journal-article 2011 croxfordunivpr https://doi.org/10.1093/icesjms/fsr117 2024-04-18T08:15:37Z Abstract 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. 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. Article in Journal/Newspaper Arctic cod Arctic Northeast Arctic cod Oxford University Press Arctic ICES Journal of Marine Science 68 8 1598 1605 |
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Open Polar |
collection |
Oxford University Press |
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 Aanes, Sondre Nedreaas, Kjell Ulvatn, Sigbjørn Estimation of total retained catch based on frequency of fishing trips, inspections at sea, transhipment, and VMS data |
topic_facet |
Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics Oceanography |
description |
Abstract 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. 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 |
Article in Journal/Newspaper |
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 (OUP) |
publishDate |
2011 |
url |
http://dx.doi.org/10.1093/icesjms/fsr117 http://academic.oup.com/icesjms/article-pdf/68/8/1598/29140070/fsr117.pdf |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic cod Arctic Northeast Arctic cod |
genre_facet |
Arctic cod Arctic Northeast Arctic cod |
op_source |
ICES Journal of Marine Science volume 68, issue 8, page 1598-1605 ISSN 1095-9289 1054-3139 |
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 |
_version_ |
1798838280636071936 |