Search results
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Maturity stages for skates (Rajiformes)
, important elements of the reproductive cycle may go unrecorded, including females in the process of egg ... -laying. Additionally, the current description of females at stage 2 (maturing) in the CCAMLR observer ... updating the descriptions of the maturity stages for skates are provided, as is a rationale for considering ... a four-stage key that allows for the collection of data for fish that are at active stages of the ...
Meeting Document : CCAMLR-XXXIII/03 : Author(s): J. R. Ellis, S.R. McCully Phillips and V. Laptivovsky (United Kingdom)
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Maturity stages for skates (Rajiformes)
, important elements of the reproductive cycle may go unrecorded, including females in the process of egg ... -laying. Additionally, the current description of females at stage 2 (maturing) in the CCAMLR observer ... updating the descriptions of the maturity stages for skates are provided, as is a rationale for considering ... a four-stage key that allows for the collection of data for fish that are at active stages of the ...
Meeting Document : WG-FSA-14/33 : Author(s): J.R. Ellis, S.R. McCully Phillips and V. Laptivovsky (United Kingdom)
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The report on the survey in Subarea 48.2 in 2016 (second season)
Abstract: The second year survey and observations of Dissostichus spp. in statistical subarea ... 48.2 on board the Ukrainian vessel SIMEIZ were conducted in accordance with the recommendations of the ... Scientific Committee and Commission. The second year survey design was amended in comparison with the one of ... biomass estimation of the target species and making decision for the future fishing on that fishing ground ...
Meeting Document : WG-FSA-16/50 : Author(s): Delegation of Ukraine
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Haul data analysis from the Polish krill fishery in 1997–1999
Abstract: The analysis of fishing data obtained from the ship’s log of the Polish commercial ... vessel M/T Pollux facilitated the characterization of catches and concentrations of krill between ... of 60-70 minutes. Differences in catch rates in various areas and years were observed. The highest ... concentrations occurred deeper, at depths of 10-140 m, while at night the concentrations were closer to the ...
Meeting Document : WG-EMM-00/17 : Author(s): E. Jackowksi (Poland)
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CCAMLR Fisheries: 2009 Update
Abstract: Compendium of information on fisheries of relevance to the work of WG-FSA including ... availability of data, data-related developments, catches in assessed and exploratory fisheries, notifications ... for fisheries and research and estimates of IUU fishing. Where applicable, WG-FSA’s 2009 fishery ...
Meeting Document : WG-FSA-09/04 : Author(s): Secretariat
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Seabird interactions with long-lining operations during an exploratory fishing cruise for Dissostichus eleginoides to South Sandwich Islands, Antarctica
Abstract: During seven operations involving the setting and hauling of long-lines to catch ... interactions with seabirds were assessed. Bird numbers increased rapidly after dawn and large numbers of Cape ... , giant and storm petrels and smaller numbers of white-chinned petrels and black-browed albatrosses were ... hook; nevertheless these aggregations of birds are clearly potentially vulnerable to setting operations ...
Meeting Document : SC-CAMLR-XII/BG/08 Rev. 1 : Author(s): Delegations of United Kingdom and Chile
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Can acoustic methods be used to monitor grenadier (Macrouridae) abundance in the Ross Sea region?
to assess stock status of grenadiers in the Ross Sea and to ensure ecological relationships are ... maintained. There may be potential to use fisheries acoustic methods to obtain estimates of grenadier ... abundance. Acoustic data collected during New Zealand’s International Polar Year Census of Marine Life ... slope are grenadiers. The acoustic target strength distribution of single targets was very similar to ...
Meeting Document : WG-FSA-12/P11 : Author(s): R.L. O’Driscoll, S.M. Hanchet and B.S. Miller
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Progress report on the research fishery for Dissostichus spp. in Subarea 48.6 being jointly undertaken by Japan and South Africa: 2012/13 and 2013/14
reported and achievements for the first two months of the 2013/14 season are briefly mentioned. Over the ... first 14 months of the Research fishery a total of 318 Dissostichus eleganoides and 1660 D. mawsoni have ... been tagged and released, and 31 tagged toothfish have been recaptured. Even though almost 50% of the ... toothfish could be recaptured by the end of the current season to enable a tag-based assessment of the ...
Meeting Document : WG-SAM-14/10 : Author(s): R. Leslie (South Africa), K. Taki, T. Ichii (Japan) and S. Somhlaba (South Africa)
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A SIMULATION STUDY TO DETERMINE THE RELATIONSHIP BETWEEN SAMPLING INTENSITY AND PRECISION WHEN ESTIMATING AVAILABILITY FUNCTIONS FOR BREEDING ADÉLIE PENGUIN COLONIES
consuming and expensive to process, and it is of interest to determine if such data could be subsampled with ... significant loss of information content. To this end, a simulation study was undertaken to examine how the ... frequency of sampling attendance at Adélie penguin breeding colonies would affect models of attendance for ... correcting population counts for potential attendance bias. Generalised additive models of simulated time ...
Meeting Document : WG-EMM-11/12 : Author(s): J. McKinlay and C. Southwell (Australia)
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CCAMLR TAGGING PROGRAM
tagging details of a greater proportion of tags than reported last year which has resulted in an improved ... proportion of the tags that can now be linked to tagging events in exploratory fisheries (Table 1). The ... CCAMLR database of some information on tag deployments and recaptures from tagging schemes that are ... inventories of these tags to the Secretariat (WG-FSA 08 paragraph 3.56). This request, including a tag ...
Meeting Document : WG-SAM-09/04 : Author(s): Secretariat