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Developing research on Antarctic krill to facilitate the development and updating of feedback management procedures
Abstract: Antarctic krill fisheries have the potential to be in the top 10 fisheries of the world ... in terms of biomass production. The expansion of the fishery from current levels appears inevitable ... 2002-2004. Since that time, there have been shifts in the behaviour and methods of the krill fishery ... remain a number of major gaps in our understanding of the basic biology and dynamics of krill populations ...
Meeting Document : WG-EMM-13/12 : Автор(ы): E.J. Murphy, R.D. Cavanagh (United Kingdom), A. Constable (Australia), E.H. Hofmann (USA), S.L. Hill, N.M. Johnston, P.N. Trathan and J.L. Watkins (United Kingdom)
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First Annual Report of the CCAMLR Otolith Network, 2002
several cases may be explained by apparent differences in the timing of formation of translucent zones ... Abstract: This report presents results from the first exchange of otoliths under the auspices of ... the CCAMLR Otolith Network (CON), following the Workshop on Estimating Age in Patagonian Toothfish ... , from 23 to 27 July 2001. The National Institute of Water and Atmospheric Research, Nelson, New Zealand ...
Meeting Document : WG-FSA-02/51
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Otolith chemistry reveals local population structure of Antarctic toothfish (Dissostichus mawsoni) within the CCAMLR Subarea 48.6
and economical value and that distributed in the high latitude of the Southern Ocean. The CCAMLR ... unknown in this regions, which hampered the understanding on population dynamics of this species and the ... management of toothfish fishery. The chemistry in the otolith can often be used to distinguish population ... structure of fish. In order to understand the local population structure of D. mawsoni in different research ...
Meeting Document : WG-FSA-18/75 : Автор(ы): L. Wei, G.P. Zhu, S. Somhlaba, X.Y. Yu and M. Duan
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The biology and ecology of mackerel icefish, Champsocephalus gunnari – an Antarctic fish species that lack haemoglobin
may mean that the stocks of C. gunnari in Sub-Antarctic waters have far more resilience and a greater ... exploited since the beginning of the 1970's with reported annual catches exceeding 50- 100 000 tomes in ... characteristics in common, such as feeding mode and food, early life history, and growth in the first years of ... . They may grow to more than 60cm and may become 13-15 years old. However, in the vicinity of South ...
Meeting Document : WG-FSA-96/24 : Автор(ы): Everson, I., Kock, K.-H.
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DIRECT EFFECTS OF CLIMATE CHANGE ON THE ANTARCTIC KRILL FISHERY
seasonal behaviour of the region’s largest fishery, that for Antarctic krill. Declining sea ice cover in ... the main krill fishing grounds has resulted in greater accessibility of krill stocks to the fishing ... thought of as being indirect, for example through distributional changes of fish populations, changes in ... evidence of direct effects of the changing physical environment – the duration of sea ice cover- on the ...
Meeting Document : WG-EMM-09/P06 : Автор(ы): S. Kawaguchi, S. Nicol and A.J. Press
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Summary of monitoring and research effort and preliminary results from the 2019 Scotia Sea krill monitoring survey with FV Cabo de Hornos
samples on the shelf north of the south Shetland islands, in the Bransfield Strait, the shelf north of the ... distribution were dominated by two modes, one of very large animals averaging around 55 mm dominating in the ... Association of Responsible Harvesting Companies (ARK) and manned with personnel from the Institute of Marine ... Research to carry out a significant part of the 2019 Scotia Sea large scale krill monitoring. All sections ...
Meeting Document : WG-EMM-2019/46 : Автор(ы): G. Skaret, M. Martinussen, G. McCallum, R. Pedersen, J. Rønning, A.L. Donoso, O.A. Bergstad and B.A. Krafft
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CASAL model evaluation incorporating the calculation of harvest rate for D. eleginoides at Division 58.4.4b
Abstract: In order to achieve the milestone “1.5 Update CASAL model” of the ongoing research plan ... at the block 1 of Division 58.4.4b (Table 1). Changing IUU level (26.5 t to 40 t) in 2009/10 fishing ... season cause increasing of B0 In all scenarios, the estimated MCYs for D. eleginoides were higher than ... 58.4.4b were revised. Following WG-SAM-2019 suggestions (para 6.76 in the WG-SAM2019 report), we conducted ...
Meeting Document : WG-FSA-2019/62 : Автор(ы): T. Okuda and F. Massiot-Granier
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Population and breeding of the gentoo penguin Pygoscelis papua at Marion Island, 1994/95 to 2002/03
Abstract: The numbers of gentoo penguins Pygoscelis papua breeding at subantarctic Marion Island ... 1998/99, there was a steady decrease in numbers breeding between 1995/96 and 2000/01, when the ... increased the overall production of fledged chicks by 11%. Based on demographic parameters measured at other ... localities, the production of chicks at Marion Island was inadequate to maintain the population during the ...
Meeting Document : WG-EMM-03/16 : Автор(ы): R.J.M. Crawford, J. Cooper, M. du Toit, M.D. Greyling, B. Hanise, C.L. Holness, D.G. Keith, J.L. Nel, S.L. Petersen, K. Spencer, D. Tshingana and A.C. Wolfaardt (South Africa)
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Larval fish distribution and abundance of the western Ross Sea
carried out in the western Ross Sea in November-December 1994. The present study focused on improvement of ... the knowledge of the larval fish community in relation to its distribution and relative abundance. A ... abundance of larval fish in the whole area was about 2.7 specimens / 1000 m3 of sea water filtered. The ... Chionodraco sp. It was noteworthy the high number of Trematomus lepidorhinus (570 larvae) found in a single ...
Meeting Document : WG-FSA-95/11 : Автор(ы): Greco, S., la Mesa, M., Vacchi, M.
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Modelling the impact of fishery by-catches on albatross populations
parameters in the model. 3. The model used two alternative assumptions about patterns of at-sea distribution ... -catch in longline fisheries and this mortality has been implicated in the population declines. 2. We ... developed a deterministic, density-dependent, age-structured model for assessing the effects of longlining ... of wandering albatross (uniform between 30°S–60°S; proportional to the distribution of longline ...
Meeting Document : WG-FSA-01/18 : Автор(ы): G. Tuck, T. Polacheck (Australia), J.P. Croxall (UK) and H. Weimerskirch (France)
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