Search results
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Fishing patterns of Japanese krill trawlers
‘operation units’ which consists from a group of repeated operations within certain searching ranges (10nm ... , 30nm, and 60nm). Distribution of the operation units showed considerable variation in space and time ... with the plots of aggregated catch, suggesting these two kinds of CPUEs may not be good indices for ... expressing the status of krill in the fishing ground. Catch per fishing days maybe the reasonable index for ...
Meeting Document : WG-EMM-02/28 Rev. 1 : Author(s): S. Kawaguchi, T. Kameda and Y. Takeuchi (Japan)
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Recent increase and southern expansion of Adelie penguin populations in the Ross Sea, Antarctica, related to climatic warming
Abstract: The numbers of Adelie penguins Pygoscelis adeliae (Hombron and Jacquinot) in the Ross ... Barne (77°35’S) with the re-occupation of a former rookery that was abandoned sometime before the ... present century. These biological trends show remarkable synchronisation with physical evidence of ... climatic variation in the McMurdo Sound region. We suggest that the dynamics of Adelie penguin populations ...
Meeting Document : WG-CEMP-92/22 : Author(s): R.H. Taylor and P.R. Wilson (New Zealand)
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On assessing the size of the humped rockcod stock (Notothenia gibberifrons) in Subarea 48.3
approach in this case involved using a target function in the form of the sum of square deviations in ... logarithms of observed and calculated biomass indices and resulted in an estimate of from 21.5 to 42.1 ... thousand tonnes for N. gibberifrons biomass in the 1989/90 season. It is thus possible to suggest a TAC of ... 1.9 to 2.7 thousand tonnes. A similar approach is recommended for assessing the stock of other ...
Meeting Document : WG-FSA-91/26 : Author(s): P.S. Gasiukov (USSR)
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Potential effects of UV-B on krill – experimental and genetic studies
spring surface levels of ultraviolet-B, ultraviolet-A and photosynthetically active radiation, in order ... to examine their response in terms of mortality and generalised activity. Levels of ... animals in the dark survived. Addition of ultraviolet-B typical of depths up to 15 m were found to ... content of animals from various treatments was found not to vary. Author(s): S. Newman, S. Jarman, S ...
Meeting Document : WG-EMM-99/24 : Author(s): S. Newman, S. Jarman, S. Nicol, D. Ritz, H. Marchant, N. Elliot and A. McMinn (Australia)
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THE ROSS SEA: A CANDIDATE FOR IMMEDIATE INCLUSION IN A NETWORK OF MARINE PROTECTED AREAS
Abstract: In the Southern Ocean fisheries are increasingly being exploited while the effects of ... populations and communities, thus confounding management. It is timely for CCAMLR to develop a network of MPAs ... , with initial inclusion of the well-researched Ross Sea, the area of the Southern Ocean having ... last stretches of the world’s oceans where sea ice remains an important part of the system. The Ross ...
Meeting Document : CCAMLR-XXVII/BG/30 : Author(s): Submitted by ASOC
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Short note: By-catch of fishes caught by the krill fishing vessel Niitaka Maru in the South Georgia area (August 2007)
Abstract: Scientific observation on the species composition and abundance of fishes incidentally ... from 6 August to 30 August to the north of South Georgia Is. Among 87 net hauls quantitatively examined ... 21 hauls. Among a total of 7 fish species, Myctophidae 3, Zoarcidae 1, Nototheniidae 1 and ... Channichthyidae 2, recognized, Krefftichthys anderssoni of Myctophidae occurred most frequently (38.5% of net ...
Meeting Document : WG-EMM-08/57 : Author(s): T. Iwami and M. Naganobu (Japan)
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Remarks on natural mortality of Dissostichus eleginoides in Subarea 48.3
Abstract: With samples originated in the Chilean longline fishery of Dissostichus eleginoides of ... the considered cases with the different growing parameters, with the exception of the case of fishing ... sites. By other hand, when comparing the different mean values of M for the different variables, it was ... hooks N° 22. The general mean value of M calculated for the 44 analyzed situations was 0.14 ± 0.03 ...
Meeting Document : WG-FSA-92/21 Rev. 1 : Author(s): C.A. Moreno and P.S. Rubilar (Chile)
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Measurement of capacity in CCAMLR exploratory fisheries in Subareas 88.1 and 88.2: Secretariat update 2017
Abstract: This paper presents an update of the metrics of capacity and capacity utilisation ... not indicate an excess of capacity in the fishery. As previously reported, based on a measure of ... management areas compromises the ability of the Secretariat to forecast and issue a timely closure notice to ... reduce the possibility of an overrun using the current fishery forecasting procedure. Author(s): CCAMLR ...
Meeting Document : WG-FSA-17/05 : Author(s): CCAMLR Secretariat
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Preliminary assessment of mackerel icefish (Champsocephalus gunnari) for the Heard Island Plateau region (Division 58.5.2) based on a survey in May 2004
Abstract: A survey of Mackerel Icefish, Champsocephalus gunnari,was undertaken in Division 58.5.2 ... in the vicinity of Heard Island in May 2004 to provide the information for an assessment of short ... -term annual yield in the 2004/2005 CCAMLR season. This paper provides a preliminary assessment of yield ... using the assessment methods of CCAMLR for SAFAG 21. Author(s): C.R. Davies, T. Lamb, A.J. Constable ...
Meeting Document : WG-FSA-04/77 : Author(s): C.R. Davies, T. Lamb, A.J. Constable and R. Williams (Australia)
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Report of CCAMLR-2000 Special Issue Workshop British Antarctic Survey, Cambridge, 30 May–6 June 2001
Abstract: This paper presents a summary of the recent workshop held in Cambridge, UK, which was ... convened by Dr JL Watkins to assess the status of papers arising from the CCAMLR-2000 Survey of the Area 48 ... . Key actions and target dates for the publication process are highlighted. An outline of the proposed ... special volume content is given and synopses of the proposed papers are provided. Author(s): J.L. Watkins ...
Meeting Document : WG-EMM-01/60 : Author(s): J.L. Watkins (Convener)