Resultados de la búsqueda
-
Notes on the use of virtual population analysis for stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1990/91 and 1991/92 seasons
, dominated in recent years by the 1987 year class (1 year olds in 1988), was quite robust, despite the use of ... various combinations of survey and cpue indices for tuning. According to the VPA the population in 1991/92 ... Falklands Protector in January 1992. Breakdown in the credibility of the VPA results in most recent years is ... attributed to the invalid assumption of constant M and contradictions in the input data. A conservative ...
Meeting Document : WG-FSA-92/27 : Autor(es): G. Parkes (United Kingdom)
-
Characteristics of oceanic structure in the waters around the South Shetland Islands of the Antarctic ocean between December 1990 and February 1991: outstanding coastal upwelling?
Abstract: The sixth Antarctic survey cruise of R/V Kaiyo Maru was carried out in waters around ... into operation In the same area after an interval of 40 days. The more characteristic change was ... clearly recognized in the waters of the insular shelf from the first leg to the second leg. The Antarctic ... (Japan) Title: Characteristics of oceanic structure in the waters around the South Shetland Islands of ...
Meeting Document : WG-KRILL-92/24 : Autor(es): M. Naganobu, T. Katayama, T. Ichii, H. Ishii and K. Nasu (Japan)
-
How trophic dynamics of adult Antarctic krill Euphausia superba responses to the condition of no ice in the water during the winter: a case study at South Georgia?
overwintering of krill in the Southern Ocean. The information on trophic variation of krill under ice-free ... results provide insight for the diet of adult krill in the food-limited season and should be useful in ... condition of no ice in the water during the winter: a case study at South Georgia? Approval: Approved ... Abstract: Understanding the variation in krill diet during winter is crucial to elucidate the ...
Meeting Document : WG-EMM-2019/P04 : Autor(es): G.P. Zhu, H.T. Zhang, B. Deng and Q.Y. Yang
-
Environmental gradients of the Antarctic krill (Euphausia superba Dana) in the whole of the Antarctic Ocean
temperature from the surface to 200m in depth Z. As the results, the area of the high concentration of E ... . superba coincided with the area of low values of Q 200 chiefly falling in the range from 0°C to –1.5°C ... gradients of the Antarctic krill (Euphausia superba Dana) in the whole of the Antarctic Ocean Approval ... Abstract: The implications between a regional and whole distribution of the Antarctic krill ...
Meeting Document : WG-KRILL-93/29 : Autor(es): M. Naganobu and Y. Komaki (Japan)
-
Some notes on by-catch of fishes caught by the fishery vessel Niitaka Maru in the vicinity of the South Shetland Islands (December 2000 to January 2001)
by F/V Niitaka Maru (3910t) were made from 16 December 2000 to 26 January 2001 in the vicinity of the ... caught by the fishery vessel Niitaka Maru in the vicinity of the South Shetland Islands (December 2000 to ... trawl catches. Lepidonotothen larseni was the most abundant in number and weight and occurred in 20.4 ... the second in abundance in number and weight respectively. Most hauls were dominated by one species ...
Meeting Document : WG-EMM-01/50 : Autor(es): T. Iwami, S. Kawaguchi and M. Naganobu (Japan)
-
Fish in the diet of the blue-eyed shag Phalacrocorax atriceps at the South Shetland Islands: six years of monitoring studies
Abstract: In this document we inform on the results of six years monitoring changes in the diet ... the diet of this bird in the lasts years and the importance of G. gibberifrons fluctuated without ... . Author(s): Barrera-Oro, E., Casaux, R. Title: Fish in the diet of the blue-eyed shag Phalacrocorax ... of the Blue-eyed Shag Phalacrocorax atriceps as reflected by the analysis of regurgitated pellets ...
Meeting Document : WG-EMM-96/31 : Autor(es): Barrera-Oro, E., Casaux, R.
-
Some data pertaining to the distribution of Antarctic toothfish juveniles (Dissostichus mawsoni) in the Indian sector of the Antarctic
the Indian Sector of the Antarctic are used in the paper. In the summer period of the southern ... in catches of bottom and pelagic midwater trawls in all the studied continental seas from 12 to 144°E ... juveniles (Dissostichus mawsoni) in the Indian sector of the Antarctic Approval: Approved ... Abstract: Available in YugNIRO data concerning distribution of Antarctic toothfish juveniles in ...
Meeting Document : WG-FSA-97/19 : Autor(es): Roshchin, E.A.
-
Catch per unit effort data from the early years of commercial krill fishing operations in the Atlantic sector of the Antarctic
the amount of krill available in a Statistical Subarea. Overall length frequency distributions from ... influence the representativeness of krill smaller 35 mm in the catches. Author(s): Sushin, V., Siegel, V ... . Title: Catch per unit effort data from the early years of commercial krill fishing operations in the ... consistent pattern of CPUE values does not occur over time for the entire area. High average CPUE were ...
Meeting Document : WG-EMM-97/22 : Autor(es): Sushin, V., Siegel, V.
-
Variants of the ASPM assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity which attempt to reconcile CPUE and catch-at-length data
examined. One allows for the possibility of changes in somatic growth rate in response to increased food ... Abstract: Two variants of the ASPM assessment of the Prince Edward Islands toothfish resource are ... -recruitment relationship. A fit of the first variant yields the biologically implausible result of a decrease ... in somatic growth rate as abundance drops. For the recruitment variability model, results remain ...
Meeting Document : WG-FSA-SAM-04/12 : Autor(es): Brandão, A., Butterworth, D.S.
-
Towards an assessment of the stock of the ommastrephid squid Martialia hyadesi in the Scotia Sea: data from predators
exploitation of the sub-Antarctic ommastrephid species Martialia hyadesi will be attempted in the future. This ... and its significant role in the diet of some vertebrate predators the species is clearly important ... within the context of the aims of CCAMLR and should attract greater research effort in the future. Author ... squid is an important component of the diet of several species of albatross and the southern elephant ...
Meeting Document : SC-CAMLR-IX/BG/13 : Autor(es): Delegation of United Kingdom