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AN ASSESSMENT OF ARTIFICIAL BAIT (NORBAIT™) AS A MEANS OF REDUCING THE INCIDENTAL CATCH OF MACROURUS AND OTHER BYCATCH SPECIES IN HIGH LATITUDE TOOTHFISH FISHERIES
(rattails) and other bycatch species in the toothfish autoline longline fishery. A company vessel carried ... out some initial experimental work in the western Ross Sea (CCAMLR Statistical Subarea 88.1) in 2007 ... Aspiring operating in the waters of South Georgia and the South Sandwich Islands (CCAMLR Statistical ... were set in both Subareas; a total of 137,000 experimental hooks. The evaluation was based on ...
Meeting Document : WG-FSA-08/52 : Автор(ы): J.M. Fenaughty (New Zealand)
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Factors influencing Antarctic krill distribution in the South Shetlands
Abstract: The influences of biological and physical factors in the environment upon krill ... (Euphausia superba) distribution were studies in the area north of South Shetland Islands during 1990/91 ... austral summer. Krill showed a distinct offshore-inshore heterogeneities in abundance and maturity stage ... in mid-summer the abundance was low in the oceanic zone (8.5 g/m2), while higher in the slope frontal ...
Meeting Document : WG-KRILL-93/38 : Автор(ы): T. Ichii, H. Ishii and M. Naganobu (Japan)
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Monitoring Antarctic toothfish (D. mawsoni) recruitment in the southern Ross Sea
was started in 2012. The first year established the feasibility of carrying out a random stratified ... total length, 5–10 year old, Antarctic toothfish. The results suggest a decline in toothfish abundance ... data show the appearance of a strong year class in 2012 which progressed through each year to 2017 and ... the appearance of a second strong year class in 2016. Although the changes in age frequency were ...
Meeting Document : WG-FSA-17/57 : Автор(ы): S.M. Hanchet, S. Mormede, S. Parker, K. Large, A. Dunn and B. Sharp
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Revised research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Subarea 48.6
began in 2013 in data-poor fisheries. In the present report, the next three-season (2016-18) research ... plan in Subarea 48.6 was revised using the updated CCAMLR C2 and Observer data. The stock sizes for ... Dissostichus mawsoni in block 48.6_2. However, the estimates using the Petersen estimator were two-three times ... larger than those using the CPUE method in the block 48.6_3 and 48.6_4. Predicted numbers of tag ...
Meeting Document : WG-FSA-15/16 Rev. 1 : Автор(ы): Delegation of Japan
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What do we know about fish stocks in the Southern Scotia region? A review and prospects for future research
, and followed primarily fluctuations in year-class strength and the environment. However, stocks of ... Abstract: Work on finfish in the southern Scotia Arc was restricted to taxonomy until the end of ... marbled notothenia, Notothenia rossii, started around the South Orkney Islands (60 – 62° / 43 – 47° W) in ... 1977/78 and close to Elephant Island and the lower South Shetland Islands (60 – 62° S / 54 – 62° W) in ...
Meeting Document : WG-FSA-00/14 : Автор(ы): K.-H. Kock (Germany) and C. Jones (USA)
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Comparisons in prey distribution between inshore and offshore foraging areas of chinstrap penguins and Antarctic fur seals at Seal Island
(Pygoscelis antarctica) went beyond the inshore region and foraged in the slope/offshore region, even though ... the inshore region. Only diurnal chinstrap penguins foraged in the inshore region. The following ... advantages are considered for visual predators to feed in the slope/offshore region at night:(l) krill showed ... more uniformal distribution in the slope/offshore region in contrast to its very patchy distribution in ...
Meeting Document : WG-EMM-96/49 : Автор(ы): Ichii, T., Bengtson, J.L., Boveng, P., Cameron, M.F., Naganobu, M., Meyer, W.R., Hiruki, L.M., Takao, T., Jansen, J.K., Kawaguchi, S.
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CEMP camera installations by Ukraine at the Galindez, Petermann and Yalour Islands penguin colonies as a part of CEMP Fund project ‘Establishing a CEMP camera network in Subarea 48.1’
Abstract: In the report we describe the season activity in the Ukrainian Vernadsky Antarctic ... Station area on installation CEMP cameras in penguin colonies as part of the CEMP project run by USA ... , Argentina, Poland and Ukraine 'Establishing a CEMP Camera Network in Subarea 48.1'. In season 2015 ... monitor pengiune nests for breeding success and chronology. Cameras have been installed in the middle of ...
Meeting Document : WG-EMM-16/55 : Автор(ы): Delegation of Ukraine
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Information on the spawning of Dissostichus mawsoni from Subareas 88.1 and 88.2 in the 2003/04 season
Dissostichus mawsoni were collected from Sub areas 88.1 and 88.2 in the 2002-2003 season by the New Zealand ... bottom longline vessels Janas, Avro Chieftain and San Aotea II operating in the Exploratory Fishery. The ... first fully mature female fish were found in December, three months earlier than in the previous season ... . The onset of spawning in D. mawsoni is in December and continues until at least June, in both Sub ...
Meeting Document : WG-FSA-04/34 : Автор(ы): G.J. Patchell (New Zealand)
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An investigation of integrated stock assessment methods for the Patagonian toothfish (Dissostichus eleginoides) in Division 58.5.2 using CASAL
Abstract: This paper follows preliminary work in 2005 in developing an integrated assessment for ... Patagonian toothfish in Division 58.5.2. It focuses on developing a “base-case” assessment, which is ... primarily based on the 2005 assessment implemented in the Generalised Yield Model (GYM) using survey data of ... show that an integrated assessment for Dissostichus eleginoides in Division 58.5.2 seems tractable. The ...
Meeting Document : WG-FSA-SAM-06/14 : Автор(ы): A. Constable, S. Candy and I. Ball (Australia)
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Oxygen and carbon stable isotopes in otoliths record spatial isolation of Patagonian toothfish (Dissostichus eleginoides)
Abstract: Strong contrasts in ambient isotope ratios and in diet suggest stable isotopes in the ... distinguish South American-caught fish from those taken in the Antarctic. Values of δ18O and δ13C predicted ... prior evidence of population isolation. Values of δ18O in the otoliths reflected ambient values as well ... as seawater temperature: low values in Patagonian Shelf fish were consistent with exposure to ...
Meeting Document : WG-FSA-08/P03 : Автор(ы): J.R. Ashford and C.M. Jones
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