Search results
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Analysis of krill trawling positions north of the South Shetland Islands (Antarctic Peninsula area), 1980/81–1999/2000
/81 to 1999/2000 seasons in the area to the north of South Shetland Islands were analyzed in relation ... the shelf across to the outer shelf in the early to late 1990’s. Intra-annual variation of trawling ... krill, especially at the beginning of the operation each season. In summer, biological factors that ... Abstract: Inter- and intra-annual variability of commercial krill trawling positions for the 1980 ...
Meeting Document : WG-EMM-01/35 : Author(s): S. Kawaguchi and K. Segawa
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Seabird and longline interactions: effects of a bird-scaring streamer line and line shooter on the incidental capture of northern fulmars Fulmarus glacialis
significantly among setting methods. These results should also be applicable to the bycatch of Fulmarus spp. in ... line and a line shooter was investigated in commercial longlining in the northern Atlantic off the ... coast of Norway. We compared the bycatch rate of northern fulmars Fulmarus glacialis, the loss rate of ... baits to fulmars and the catch rates of fish target species among lines set with either of these ...
Meeting Document : WG-FSA-01/78 : Author(s): S. Løkkeborg (Norway) and G. Robertson (Australia)
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Development of methods for evaluating the management of benthic impacts from longline fishing using spatially explicit production models
Abstract: An important management objective for CCAMLR in the high seas region of the Antarctic ... , and interpret. In general, the results of the simulations suggested that management action of areal ... changes in the distribution of future fishing may result in alternative impacts or how different ... size of these impacts in the scenarios tested were small, we recommend that research be focused, at ...
Meeting Document : WG-SAM-10/19 : Author(s): A. Dunn, S.J. Parker and S. Mormede (New Zealand)
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Development of methods for evaluating the management of benthic impacts from longline fishing using spatially explicit production models, including model validation
Abstract: An important management objective for CCAMLR in the high seas region of the Antarctic ... that they are relatively simple to construct, run, and interpret. In most cases, the results of the ... simulations suggested that management action of areal closures in the Ross Sea region are likely to result in ... work on these simulations are required — including investigating how changes in the distribution of ...
Meeting Document : WG-FSA-10/29 : Author(s): A. Dunn, S.J. Parker and S. Mormede (New Zealand)
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Towards the development of an assessment of stock abundance for Subarea 88.2 SSRUs 88.2C–G – a discussion paper
2 fish have been recaptured. It is likely that the lack of tag recaptures in this region has been ... drawing on the success of tagging programmes in other CCAMLR fisheries, we develop an approach for ... tonne in the short term to obtain more precise estimates of abundance and improved data indicative of ... Abstract: This paper frames a discussion for improving the assessment of toothfish abundance for ...
Meeting Document : WG-SAM-14/28 : Author(s): S.M. Hanchet and S.J. Parker (New Zealand)
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Submission of papers to meetings of the Working Groups
is being, published elsewhere, authors should give details of the paper’s publication in the space ... 12.19). Papers that are ‘in press’ at the time of the meeting should be considered as published ... type of revision will be considered as new submissions and will be subject to the deadline in paragraph ... SUBMISSION OF PAPERS TO MEETINGS OF THE WORKING GROUPS 1. Papers must be submitted by email to the ...
Page : Site Section: Meetings
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ANALYSIS OF ICE-FISH (CHAMPSOCEPHALUS GUNNARI) SPATIAL DISTRIBUTION FOR OPTIMIZATION OF THE BOTTOM TRAWL SURVEY SAMPLING
surveys in the South Georgia area are analyzed. The high heterogeneity of horizontal and vertical fish ... distribution in the near-bottom layers within the surveyed area is shown. Influence of this fish distribution ... considerable degree stipulated by heterogeneity of fish distribution in the near-bottom layer relative to the ... Abstract: Acoustic and trawl samples obtained in the near-bottom layers covered by bottom trawl ...
Meeting Document : WG-SAM-09/20 : Author(s): S.M. Kasatkina (Russia)
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Reconciling theoretical versus empirical target strengths of krill; effects of phase variability on the distorted wave Born approximation
, the authors noted that the differences were not entirely due to noise. In this study, the accuracy of ... elements of a discretized bent cylinder (krill model) causes a dramatic flattening in the side-lobe regions ... Abstract: A model was recently proposed to predict the target strengths (TS) of Antarctic krill ... ]. Based on the distorted wave Born approximation (DWBA), the model depends upon the coherent summation of ...
Meeting Document : WG-EMM-02/50 : Author(s): D.A. Demer and S.G. Conti (USA)
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Modelling Movement of Antarctic Krill (MMAK): the importance of retention, dispersal and behaviour for krill distribution – a project update
that influence the distribution of Antarctic krill in CCAMLR Area 48, focussing in particular on the ... investigate the impact of physical and behavioural processes on the distribution of krill in this area, at ... being investigated, which will include examination of the role of tides in determining on-shelf ... Antarctic Wildlife Research Fund, to improve current understanding of the regional and local-scale processes ...
Meeting Document : WG-EMM-18/06 : Author(s): S.E. Thorpe, E.F. Young, E.J. Murphy, O.R. Godø and A.H.H. Renner
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Some aspects of size composition dynamics of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea (Statistical Subarea 88.1)
mawsoni) from catches in different statistical areas of the Ross Sea was given. Biological data for two ... both periods of the fishery, in the southern statistical areas (SSRU H, I, K, L), the portion of small ... -sized immature fish had increased though the average size of fish in catches had not changed ... Abstract: The analysis of the data on size composition of Antarctic toothfish (Dissostichus ...
Meeting Document : WG-FSA-12/17 : Author(s): A.K. Zaytsev (Ukraine)