Report on the joint Icelandic / Norwegian survey on oceanic redfish in the Irminger Sea and adjacent waters, in june/july 1994
An acoustic survey on oceanic redfish (oceanic Sebastes mentella) in the Irminger Sea, in June/July 1994 was carried out by Iceland and Norway. Approximately 190 000 n.m. ^2 were covered. The stock size in the area surveyed was assessed to be about 2.2 million tonnes or 3.5 million individuals. Only...
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ftimr:oai:imr.brage.unit.no:11250/105299 2023-05-15T16:50:38+02:00 Report on the joint Icelandic / Norwegian survey on oceanic redfish in the Irminger Sea and adjacent waters, in june/july 1994 Magnusson, Jan Nedreaas, Kjell Harald Magnusson, J.V. Reynisson, Páll Sigurdsson, Thorsteinn 1994 application/pdf http://hdl.handle.net/11250/105299 eng eng ICES ICES CM Documents;1994/G:44 This report is not to be cited without prior reference to the authors http://hdl.handle.net/11250/105299 29 s. redfish uer stock assessment bestandsberegning stomach data magedata VDP::Agriculture and fishery disciplines: 900::Fisheries science: 920::Catch: 925 VDP::Mathematics and natural science: 400::Geosciences: 450::Oceanography: 452 VDP::Agriculture and fishery disciplines: 900::Fisheries science: 920::Fish health: 923 Working paper 1994 ftimr 2021-09-23T20:15:14Z An acoustic survey on oceanic redfish (oceanic Sebastes mentella) in the Irminger Sea, in June/July 1994 was carried out by Iceland and Norway. Approximately 190 000 n.m. ^2 were covered. The stock size in the area surveyed was assessed to be about 2.2 million tonnes or 3.5 million individuals. Only depths shallower than 500 meters were included. The oceanic redfish concentrations were densest in the 100-250 m depth layer, mainly within a temperature range of 3° to 4°C. Males were in majority in all areas (55-61 %). The average length of oceanic S. mentella was 36,7 cm, and the average weight 640 g. Females were on the average larger and heavier than males. The percentage of fish with external abnormalities (i.e. Sphyrion lumpi and spots) was much higher for females than for males. The average was 43.5% and the average for fish with abnormal muscular pigmentation, 47.1 %, resp. The maturity stages and the stomach contents were recorded. Report Iceland Sebastes mentella Institute for Marine Research: Brage IMR Norway Irminger Sea ENVELOPE(-34.041,-34.041,63.054,63.054) |
institution |
Open Polar |
collection |
Institute for Marine Research: Brage IMR |
op_collection_id |
ftimr |
language |
English |
topic |
redfish uer stock assessment bestandsberegning stomach data magedata VDP::Agriculture and fishery disciplines: 900::Fisheries science: 920::Catch: 925 VDP::Mathematics and natural science: 400::Geosciences: 450::Oceanography: 452 VDP::Agriculture and fishery disciplines: 900::Fisheries science: 920::Fish health: 923 |
spellingShingle |
redfish uer stock assessment bestandsberegning stomach data magedata VDP::Agriculture and fishery disciplines: 900::Fisheries science: 920::Catch: 925 VDP::Mathematics and natural science: 400::Geosciences: 450::Oceanography: 452 VDP::Agriculture and fishery disciplines: 900::Fisheries science: 920::Fish health: 923 Magnusson, Jan Nedreaas, Kjell Harald Magnusson, J.V. Reynisson, Páll Sigurdsson, Thorsteinn Report on the joint Icelandic / Norwegian survey on oceanic redfish in the Irminger Sea and adjacent waters, in june/july 1994 |
topic_facet |
redfish uer stock assessment bestandsberegning stomach data magedata VDP::Agriculture and fishery disciplines: 900::Fisheries science: 920::Catch: 925 VDP::Mathematics and natural science: 400::Geosciences: 450::Oceanography: 452 VDP::Agriculture and fishery disciplines: 900::Fisheries science: 920::Fish health: 923 |
description |
An acoustic survey on oceanic redfish (oceanic Sebastes mentella) in the Irminger Sea, in June/July 1994 was carried out by Iceland and Norway. Approximately 190 000 n.m. ^2 were covered. The stock size in the area surveyed was assessed to be about 2.2 million tonnes or 3.5 million individuals. Only depths shallower than 500 meters were included. The oceanic redfish concentrations were densest in the 100-250 m depth layer, mainly within a temperature range of 3° to 4°C. Males were in majority in all areas (55-61 %). The average length of oceanic S. mentella was 36,7 cm, and the average weight 640 g. Females were on the average larger and heavier than males. The percentage of fish with external abnormalities (i.e. Sphyrion lumpi and spots) was much higher for females than for males. The average was 43.5% and the average for fish with abnormal muscular pigmentation, 47.1 %, resp. The maturity stages and the stomach contents were recorded. |
format |
Report |
author |
Magnusson, Jan Nedreaas, Kjell Harald Magnusson, J.V. Reynisson, Páll Sigurdsson, Thorsteinn |
author_facet |
Magnusson, Jan Nedreaas, Kjell Harald Magnusson, J.V. Reynisson, Páll Sigurdsson, Thorsteinn |
author_sort |
Magnusson, Jan |
title |
Report on the joint Icelandic / Norwegian survey on oceanic redfish in the Irminger Sea and adjacent waters, in june/july 1994 |
title_short |
Report on the joint Icelandic / Norwegian survey on oceanic redfish in the Irminger Sea and adjacent waters, in june/july 1994 |
title_full |
Report on the joint Icelandic / Norwegian survey on oceanic redfish in the Irminger Sea and adjacent waters, in june/july 1994 |
title_fullStr |
Report on the joint Icelandic / Norwegian survey on oceanic redfish in the Irminger Sea and adjacent waters, in june/july 1994 |
title_full_unstemmed |
Report on the joint Icelandic / Norwegian survey on oceanic redfish in the Irminger Sea and adjacent waters, in june/july 1994 |
title_sort |
report on the joint icelandic / norwegian survey on oceanic redfish in the irminger sea and adjacent waters, in june/july 1994 |
publisher |
ICES |
publishDate |
1994 |
url |
http://hdl.handle.net/11250/105299 |
long_lat |
ENVELOPE(-34.041,-34.041,63.054,63.054) |
geographic |
Norway Irminger Sea |
geographic_facet |
Norway Irminger Sea |
genre |
Iceland Sebastes mentella |
genre_facet |
Iceland Sebastes mentella |
op_source |
29 s. |
op_relation |
ICES CM Documents;1994/G:44 This report is not to be cited without prior reference to the authors http://hdl.handle.net/11250/105299 |
_version_ |
1766040766118887424 |