Search results
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AGE AND GROWTH OF SPINY ICEFISH, CHAENODRACO WILSONI REGAN, 1914, OFF JOINVILLE-D'URVILLE ISLANDS (ANTARCTIC PENINSULA)
Abstract: Age and growth of spiny icefish, Chaenodraco wilsoni, were investigated using counts of ... January 2007. A total of 218 specimens were selected for the study, consisting of 120 females and 98 males ... . The age of fish was estimated by counting annuli on transverse sections obtained by grinding and ... polishing whole otoliths embedded in epoxy resin in moulds. The precision of age estimates between readings ...
Meeting Document : WG-FSA-08/33 : Author(s): M. La Mesa, A. De Felice (Italy), C.D. Jones (USA) and K.-H. Kock (Germany)
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Review of activities in monitoring marine debris in the CAMLR Convention Area
-fishing items such as plastics, packaging materials and wood remain the most common type of debris items ... originated in 2002 there have been no closed bands found at any of the three sites. The amount of debris in ... colonies of grey-headed albatrosses, wandering albatrosses and black-browed albatrosses at Bird Island ... decreased significantly since 2011, with the major category of items found being plastics. The amount of ...
Meeting Document : WG-FSA-12/64 : Author(s): Secretariat
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A proposal for the establishment of a Ross Sea Region Marine Protected Area
Abstract: The delegations of New Zealand and the United States propose the establishment by the ... Commission for the Conservation of Antarctic Marine Living Resources (Commission or CCAMLR) of a marine ... protected area (MPA) in the Ross Sea Region (“Ross Sea Region Marine Protected Area”). In recognition of ... the exceptional ecological value and scientific importance of the Ross Sea Region, our delegations ...
Meeting Document : CCAMLR-SM-II/04 : Author(s): Delegations of New Zealand and the USA (This paper introduces a revised version of the proposal contained in CCAMLR-XXXI/16 Rev. 1 of 29 October 2012)
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Linking population trends of Antarctic shag (Phalacrocorax bransfieldensis) and fish at Nelson Island, South Shetland Islands (Antarctica)
in the number of breeding pairs of Antarctic shag Phalacrocorax bransfieldensis in two colonies on ... Nelson Island, South Shetland Islands, southern Atlantic sector of Antarctica, which was observed during ... the 1990s up to the mid 2000s over an overall monitoring period of over two decades. It addresses ... correspondence between long-term population trends of inshore demersal fish and inshore-feeding Antarctic shags ...
Meeting Document : WG-EMM-16/P09 : Author(s): R. Casaux and E. Barrera-Oro
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Biomass abundance and distribution of fish in the Kerguelen Islands’ zone (Division 58.5.1)
(September-October 2006) off the Kerguelen Islands (division 58-5-1), the northern part of the Kerguelen ... Plateau. The sweep-area method was used in the range 100 and 1000 m with random stratified stations of ... bottom trawling. Estimations of biomass and abundance are provided for eight commercial species. The ... of the value (124 000 tonnes). The biomass is displayed between the shelf and the deep-sea. Such ...
Meeting Document : WG-FSA-07/16 : Author(s): G. Duhamel and M. Hautecoeur (France)
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Analysis of krill fishery behaviour in the southwest Atlantic: potential signals for moving fishing activities amongst SSMUs
seasons by analyzing CPUE (catch per hour) patterns towards the end of their sets of operations before ... leaving a SSMU, as well as its timing of the day, diurnal pattern of CPUE and fishing depth. Vessels tend ... than a day to explore the fishing grounds from multiple options for the start of the fishing season ... . Vessels move around less frequently in Subarea 48.2 during the summer season because of only one viable ...
Meeting Document : WG-EMM-07/27 : Author(s): S. Kawaguchi, A. Constable and S. Nicol (Australia)
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Community structure of epipelagic macrozooplankton in the Ross Sea
Abstract: During the 9th research cruise of the R/V Kaiyo-maru, macrozooplankton samples were ... the Ross Sea and neighboring waters. Biomass and abundance (number of individuals) were 0 ~ 32.1 g ... located at 78°S, 175°E. Total of 13 taxa occurred at all stations and mean of 7.4 taxa were occurred in ... each sample. There was no marked difference in numbers of taxa occurred at each station and layer ...
Meeting Document : WG-EMM-07/34 Rev. 1 : Author(s): Y. Watanabe, S. Sawamoto, T. Ishimaru and M. Naganobu (Japan)
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Estimates of krill biomass with commercial significance in small-scale management units applying geostatistics techniques
Abstract: The analysis of krill density and biomass distributions was made by the example of SGE ... Russian survey 2002 were used. Processing of the acoustic survey data in 2000-2002 was made applying ... geostatistical methods. It was revealed significant inter-annual and seasonal variability of the standing stock ... biomass constituted 1.0587 mlt for eastwards of 37°W and 1.000mt for westward of 37°W, but commercial ...
Meeting Document : WG-EMM-06/36 : Author(s): S.M. Kasatkina and P.S. Gasyukov (Russia)
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Trends of Antarctic fur seal population at SSSI No. 32, Livingston Island, South Shetlands, Antarctica
, South Shetland, Antarctica. We also discuss the current reliability of the model and related population ... had to model the population at the latter site, in order to have a complete estimate of the population ... . From this, we estimated an overall increase of 17% in the total population, including in this figure a ... values of the carrying capacity of the environment (K). This might not be correct due to the restrictions ...
Meeting Document : WG-EMM-99/16 : Author(s): R. Hucke-Gaete, D. Torres, A. Aguayo, J. Acevedo and V. Vallejos (Chile)
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Variation in the distribution of Antarctic krill Euphausia superba around South Georgia
Abstract: Between 1980 and 1997 British Antarctic Survey carried out 11 cruises in the region of ... South Georgia. Here we summarize the length-frequency distributions of krill caught on each of these ... cruises and look particularly at differences between krill taken from the eastern and western ends of the ... size 39.7 mm); cluster 2 were a mixture of year classes (mean size 37.7 mm); cluster 3 were large krill ...
Meeting Document : WG-EMM-97/47 : Author(s): Daly, H.I., Murray, A.W.A., Watkins, J.L.