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Commercial krill fisheries in the Antarctic 1973–1988
Living Resources (CCAMLR) are used to discern visible trends in catch and effort for the Antarctic krill ... peak of some 500 000t in 1981/82 before droping to a low level in 1983/84 and stabilising at about 400 ... 000t thereafter. Indications are that in terms of both catch and effort the Soviet and Japanese ... fisheries in Statistical Sub-areas 48.1, 48.2 and 48.3 dominate exploitation of krill in the CCAMLR ...
Meeting Document : SC-CAMLR-VIII/BG/11 : Autor(es): Delegation of South Africa
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Results on by-catch of fish during Ukrainian, Polish and Japanese krill fishery in the South Orkney Islands, South Georgia and Shetland Islands areas
krill Euphausia superba Dana conducted by the Ukrainian trawler Grigory Kovtun in the vicinity of South ... South Georgia (March to May, 1993), and by the Japanese fishing vessels No.3 and No.5 Chiyo Maru in the ... (January to February, 1994) to determine the proportion of juvenile fish forms in krill concentrations. In ... juvenile notothenioids at all in the samples collected. In the area around South Georgia, six notothenioid ...
Meeting Document : WG-FSA-96/19 : Autor(es): Cielniaszek, Z., Pakhomov, E.A., Iwami, T.
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On the problem of by-catch of juvenile fish in krill fishery
Abstract: Studies of by-catch of juvenile fish in krill catches by research vessels were ... conducted during 1985-1988 in the Kosmonavtov and Sodruzhestva seas (Antarctic Indian Ocean sector). Isaacs ... -Kidd trawl with an opening area of 6.0 m2 was used. Trawls were taken in the 0-200 m surface layer over ... the bottom depth range from 100 to 5000 m. In 1988, studies included catches taken by a commercial ...
Meeting Document : WG-FSA-92/10 : Autor(es): C.A. Pankratov and E.A. Pakhomov (Ukraine)
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Indexing maturation of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region
Abstract: The longline fisheries for Antarctic toothfish (Dissostichus mawsoni) in subareas 88.1 ... and 88.2 have provided more than a decade of observations to aid in understanding the life history and ... fish developing to spawn in the upcoming season. Evidence is accumulating that almost all Antarctic ... toothfish in the northern SSRUs have spawned in the previous season and are preparing to spawn in the ...
Meeting Document : WG-FSA-12/40 : Autor(es): S. Parker and P. Marriott (New Zealand)
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Revised research plan for the 2013/14 exploratory longline fishery of Dissostichus spp. in Division 58.4.2
observer data. The stock size estimates for the research block (5842E) was revised following advice in the ... last WG-SAM meeting. We tentatively recalculated a sample size of Dissostichus spp in each block in ... such a way that the numbers of tag recoveries in the 2016 season shows an approximately 0.3 of ... sizes turned out to be larger in many blocks and smaller in a few blocks over the data poor-fisheries ...
Meeting Document : WG-FSA-13/39 : Autor(es): Delegation of Japan
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Revised research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. with special reference to the information on spawning dynamics in Division 58.4.3a
began in 2013 in data-poor fisheries. In the present report, the next three-season (2016-18) research ... plan in Division 58.4.3a was revised using the latest CCAMLR C2 and Observer data. The stock sizes for ... . We also made analysis on spawning dynamics for D. eleginoides in Division 58.4.3a and compared to the ... results in other regions in the Southern Indian Ocean. The stock seems to be self-sustainable because of ...
Meeting Document : WG-FSA-15/19 : Autor(es): Delegation of Japan
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SUMMARY OF SCIENTIFIC OBSERVATIONS IN THE CAMLR CONVENTION AREA FOR 2009/10 SEASON
on board longline, trawl and pot vessels in 2009/10. Longline Observations 2. A total of 31 longline ... (international and national) aboard all vessels. At the time of writing this paper, one cruise in subarea 58.5.2 ... was still at sea. Nine cruises were undertaken in Subarea 48.3 by 9 vessels, two cruises were ... undertaken in Subarea 48.4 by 2 vessels, three cruises was undertaken in Subarea 48.6 and Divisions 58.4.1 ...
Meeting Document : WG-FSA-10/05 : Autor(es): Secretariat
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A REVIEW OF THE METHODS USED TO RELEASE SKATES (RAJIIDS), WITH OR WITHOUT TAGS, IN ANTARCTIC EXPLORATORY FISHERIES
fishing vessels in the Ross Sea (CCAMLR Subareas 88.1 and 88.2) in 1999/2000. Based on preliminary results ... Scientific Committee gave approval in 2004 for licensed vessels to cut live skates from the line (while in ... implemented was that some form of in-water release would be the ideal to improve survival chances ... Assessment (WG-FSA) noted in 2004, when recommending skate release as an option to the Scientific Committee ...
Meeting Document : WG-FSA-08/30 : Autor(es): J.M. Fenaughty (New Zealand)
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Abundance, size and maturity of krill (Euphausia superba) in the krill fishing ground of Subarea 48.1 during 1990/91 austral summer
Abstract: Acoustic and net sampling surveys for krill were conducted in the krill fishing area ... heterogeneities in abundance and maturity of krill were observed. The survey region was divided into four zones ... ; oceanic, slope frontal, neritic and nearshore zones. The mean density of krill was low in the oceanic zone ... (8.5 g/m2), while, intermediate values in the frontal (37.3 g/m2) and neritic zone (28.1 g/m2), and ...
Meeting Document : WG-KRILL-92/26 : Autor(es): T. Ichii, H. Ishii and M. Naganobu (Japan)
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Comparative biological characteristics of Electrona carlsbergi (Tåning) (Myctophidae) from the notal and Antarctic areas in the Southern Ocean Atlantic sector
length of fish from the Antarctic area increased while drifting eastward in the Antarctic circumpolar ... current waters. Fish specimens from 62 to 97 mm long were registered in catches. About 95% of specimens ... analysed were at age 2 to the west of 35°W and 3 yr old specimens, the portion of which made up to 40% in ... catches, occurred in much high amount to the east of 30°W. In the notal area the length of E. carlsbergi ...
Meeting Document : WG-FSA-90/21 : Autor(es): K.V. Gorchinsky, V.M. Kiseleva and A.A. Filin (USSR)