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Report on Dissostichus mawsoni exploratory fishery research in East Antarctica (Divisions 58.4.1 and 58.4.2) between the 2011/12 and 2017/18 fishing seasons
provides a summary of responses to the recommendations with references to the associated outputs in this ... statistics at the scale of the research block (Figure 1) and the distribution of tags recaptured in research ... block 5841_2 in 2017/18 (Figure 2) Progress toward the case-control estimation of effective tagging ... the toothfish exploratory fishery in Divisions 58.4.1 and 58.4.2 between 2011/12 and 2017/18. Table 1 ...
Meeting Document : WG-FSA-18/58 Rev. 1 : Autor(es): P. Yates and P. Ziegler
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The US commercial krill fishery in Area 48: development, fishing patterns, and decision making
decision making processes involved in harvesting krill by the U.S. fishery. Because the Captain of the Top ... north of South Georgia; in 2001, all fishing was conducted off the South Shetland Islands and Bransfield ... Strait. In 2002, fishing operations were carried out off the Antarctic Peninsula, west of Elephant Island ... concentrations of krill were found in Bransfield Strait in 2001 while fishing inside the ice edge. The success of ...
Meeting Document : WG-EMM-02/18 : Autor(es): C.D. Jones and M. Hull (USA)
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Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea, Antarctica
empty and the few prey items recovered were generally in advanced stages of digestion. This may be due ... Paper Title: Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea ... Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea (CCAMLR Subareas 88.1 and 88.2). Biological data ... , meristics, reproductive biology, diet and age estimation. All of the icefish sampled were identified as ... - sation. Under this model, the mean length, Lj, of the jth fish in a group of fish is: 1 1 2 1 2 1 1 ... Introduction There are about 15 species of icefish (Chan- nichthyidae), all but one of which are found in the ... icefish (Channichthyidae), in- cluding C. dewitti, by measuring the relative posi- tions of dorsal and ... anal fins in relation to vertebrae. Takahashi and Iwami (1997) investigated the diet of demersal fish ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 139–165 : Autor(es): Sutton, C.P., M.J. Manning, D.W. Stevens and P.M. Marriott
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An integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) in Division 58.5.2 using CASAL
is consistent with the problems discussed of the potential bias of a single-area model in trying to ... included in the assessment of D. eleginoides in Division 58.5.2 until the spatial structure of the mark ... -recapture program can be incorporated appropriately in the assessment. The assessment of long-term annual ... eleginoides in Division 58.5.2. However, as expected, the assessment will be sensitive to the inclusion of ...
Meeting Document : WG-FSA-06/64 : Autor(es): A. Constable, S. Candy, T. Lamb and I. Ball (Australia)
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Draft proposal for multi-Member research on the Dissostichus mawsoni exploratory fishery in East Antarctica (Divisions 58.4.1 and 58.4.2) from 2018/19 to 2021/22
years. In this document we propose draft research objectives and an approach to review the locations of ... blocks of this research plan for WG-FSA-18. In addition, the current genetics work (Maschette et al. 2018 ... ) will provide information on the stock structure of Antarctic toothfish in East Antarctica in relation ... to the identification of vulnerable marine ecosystem (VME) indicator species (Maschette et al. 2017 ...
Meeting Document : WG-SAM-18/17 : Autor(es): Delegations of Australia, France, Japan, Republic of Korea and Spain
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Pursuit and polynyas in the Ross Sea, Antarctica
influence biological activity. We pursued daily transition of polynyas in the Ross Sea, Antarctica from 1978 ... polynya existed in the inner area of the Ross Sea in November of the each year. The shape of the polynya ... changed remarkably in several days. The polynyas have the range of approximately 500 km from the bottom to ... the entrance of the Ross Sea. The polynyas usually open to the northern oceanic water late in December ...
Meeting Document : WG-EMM-98/31 : Autor(es): M. Naganobu, T. Tanaka, Y. Okada, N. Kimura and S. Matsumura (Japan)
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Skate tagging in the Heard Island and McDonald Island (Division 58.5.2) toothfish fishery up to 2013
biology of these species. In the 13 years, over 12,000 skates have been tagged, with 112 recaptures, a ... icefish (Champsocephalus gunnari) in the Australian Fishing Zone surrounding Heard Island and McDonald ... bycatches. A tagging program has operated in these fisheries since 2001 to learn more about the movement and ... recapture rate of less than one percent. The average distance between release and recapture for each of the ...
Meeting Document : WG-FSA-13/22 : Autor(es): G.B. Nowara, T.D. Lamb and D.C. Welsford (Australia)
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Notes for identifying the three macrourid species, M. holotrachys, M. whitsoni and M. carinatus in CCAMLR Subarea 48.3
the identification of three macrourid species caught as bycatch in the fishery for Patagonian ... 5.2 whilst M.carinatus has a head ratio of greater than 5.2. There was some overlap in the ranges of ... toothfish, Dissostichus eleginoides, in Sub-Area 48.3. Scaling under the snout was used to separate ... scaled). The relative positioning of the second dorsal fin and the anal fin can also be used to ...
Meeting Document : WG-FSA-02/29 : Autor(es): S.A. Morley, M. Belchier, M.G. Purves, T. Mulvey and J. Dickson (United Kingdom)
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Investigations on midwater trawling for krill (Euphausia superba) in the Southern Ocean
Area 58 in the Indian Ocean Sector of Southern Ocean, during the First Indian Antarctic Krill ... °04'-40°04' E long, from 27 January to 12 February 1996. In the area of operations, krill ... long. Krill were present in 33.3 per cent of the total number of hauls taken. Major species obtained ... -1. In the area of operations (57°53'- 61°13' S lat and 31°40'- 36°31' E long ...
Meeting Document : WG-EMM-98/38 : Autor(es): M.R. Bhoopendranath, M.K.R. Nair, A. Anrose and V.C. George (India)
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Predicting fishing ground accessibility in the Antarctic Weddell Sea
Abstract: Sea ice is a major constraint of fishery performance in the Southern Ocean seasonal sea ... to constitute valuable, riskreducing planning tools in the further development of fishery research as ... well as of ship-bound tourism in the wider Weddell Sea area. Author(s): H. Pehlke, K. Teschke and T ... establish statistical models of (i) accessibility, i.e. the probability that a particular area is navigable ...
Meeting Document : WG-SAM-18/01 : Autor(es): H. Pehlke, K. Teschke and T. Brey