Search results
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Quantitative assessment of benthic fauna and assemblages in the Heard Island and McDonald Islands region
quantitative insight into the distribution, abundance and species composition of macrobenthic invertebrate ... communities in the region. The areas sampled were selected for the purpose of comparing and reporting regional ... differences in faunal composition and consist of a number of seamounts and submarine plateaus. The ... macrobenthic invertebrate fauna of the region is moderate in diversity and, while many taxa are endemic, is ...
Meeting Document : WG-EMM-10/25 : Author(s): T. Hibberd, D.C. Welsford, A.J. Constable, K. Moore and S. Doust (Australia)
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Age validation of Patagonian toothfish (Dissostichus eleginoides) from Heard and Macquarie Islands
counting presumed growth increments on the sectioned face of sagittal otoliths. While there is a general ... . eleginoides in the Heard Island and Macquarie Islands fisheries has included injection of most fish with ... Strontium Chloride (SrCl2) on release. One hundred and forty two of these strontium marked fish were ... selected for analysis. Strontium (Sr) marks were detected in 139 of the 142 otoliths examined. Using the ...
Meeting Document : WG-FSA-05/60 : Author(s): K. Krusic-Golub and R. Williams (Australia)
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Populations of surface-nesting seabirds at Marion Island, 1994/95 to 2002/03
Abstract: During the 1990s and early 2000s, populations of surface-nesting seabirds at Marion ... Island showed different trends, but for the majority of species numbers decreased. Reduced numbers of ... attributed to an altered availability of food. Decreases in numbers of dark-mantled sooty albatrosses ... and possibly northern giant petrels M. halli may have resulted from mortality of birds in longline ...
Meeting Document : WG-EMM-03/8 : Author(s): R.J.M. Crawford, J. Cooper, B.M. Dyer, M.D. Greyling, N.T.W. Klages, P.G. Ryan, S.L. Petersen, L.G. Underhill, L. Upfold, W. Wilkinson, M.S. de Villiers, S. du Plessis, M. du Toit, T.M. Leshoro, A.B. Makhado, M.S. Mason, D. Merkle, D. Tshingana, V.L. Ward and P.A. Whittington (South Africa)
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Report on attendance at the Fourth Meeting of the Committee for Environmental Protection Under the Madrid Protocol
Abstract: This report outlines the participation of the SC-CAMLR Chair in the Fourth Meeting of ... issues of relevance to SC-CAMLR are: (1) A report of an open-ended intersessional contact group of the ... , the designation of Antarctic Specially Protected Species. The contact group will continue under a ... specified Terms of Reference; (2) A report from an intersessional contact group on Diseases of Antarctic ...
Meeting Document : CCAMLR-XX/BG/03 : Author(s): Chair of the CCAMLR Scientific Committee
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Distribution of Antarctic krill concentrations exploited by Japanese krill trawlers and minke whates
Abstract: The distribution of krill (Euphausia superba) concentrations derived from Japanese ... sectors. In early summer (December) the areas of operation for both fisheries were affected by the ... latitudinal position and shape of the pack-ice edge. Harvesting was frequently conducted in the vicinity of a ... distribution. Krill harvesting areas in the vicinity of the shelf breaks were often coincident with ...
Meeting Document : SC-CAMLR-VIII/BG/31 : Author(s): Delegation of Japan
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Stomach contents of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea region in 2010 and a comparison with 2003
%, 13%, and 8% respectively. The large onychoteuthid squid, Kondakovia longimana dominated the diet.of ... the diet.of D. mawsoni collected from the northern area (n = 21). The results of the current study were ...
Meeting Document : WG-FSA-10/22 : Author(s): D.W. Stevens, J. Forman and S. Hanchet (New Zealand)
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ESTIMATION OF MANAGEMENT REFERENCE POINTS CONSISTENT WITH THE CATCH TRIGGER LEVEL FOR THE ANTARCTIC KRILL FISHERY IN AREA 48
of 620,000 tonnes. Projections were run with various increased levels of recruitment variability to ... analyse the sensitivity of the estimates of the reference points to recruitment variability. The estimates ... of F and SSB reference points for the krill stock in Area 48 consistent with the catch trigger level ... comparison, the F and SSB reference points for the precautionary catch limit of 5.61 million tonnes are 0.186 ...
Meeting Document : WG-EMM-11/17 : Author(s): T. Peatman, J. Moir Clark, D.J. Agnew (UK)
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Summary of the seabird and marine mammal observations during observed toothfish (Dissostichus spp.) longline fishing operations in CCAMLR Subareas 88.1 and 88.2
Abstract: Twenty-eight species of seabird were reported from observations during longline setting ... distribution of fishing effort was dictated by the presence of sea ice and there are differences in the seabird ... composition reported each year because of variation in the spatial distribution of the seabirds. At-sea ... identification of some species is difficult and some of the species that were reported from outside their known ...
Meeting Document : WG-FSA-04/42 : Author(s): S.J. Baird (New Zealand)
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Estimation of the fishery–krill–predator overlap
Abstract: Work undertaken during the intersessional period has enabled better use of the krill ... fishery data, and a comparison between the three existing indices of fishery-krill-predator overlap used ... at nine levels of spatio-temporal resolution and using normal, exponential and uniform foraging ... the level of overlap in recent years (1995-98) than estimated with either the catch in the CPD or the ...
Meeting Document : WG-EMM-99/11 : Author(s): Secretariat
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A method to evaluate selection of Antarctic krill in towed fishing gears
) apply different trawl designs. Very little information exists on the size selectivity of E. superba ... . Size selectivity describes a given trawls designs ability to catch different sizes of a population and ... is valuable information for the management of harvested marine stocks. Size selectivity data is ... the time. FISHSELECT is developed as an alternative method, and is based on thorough measurements of ...
Meeting Document : WG-EMM-13/34 : Author(s): L.A. Krag, B. Herrmann (Denmark), S. Iversen, A. Engås, S. Nordrum and B.A. Krafft (Norway)