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1. Effects of sea-ice extent and krill or salp dominance on the Antarctic food web

   important during spring and summer through the formation of extensive and dense blooms. Although salps are ... reproduction and survival of krill larvae. Here we provide data from 1995 and 1996 that support hypothesized ... proportion of net primary production, and found correlations between herbivore densities and integrated ... chlorophyll-a that indicate that there is a degree of competition between krill and salps. Our analysis of the ...

   Meeting Document : WG-EMM-97/73 : Автор(ы): Hewitt, R., Trivelpiece, S., Fraser, W., Holm-Hansen, O., Siegel, V., Trivelpiece, W., Loeb, V.

2. Fishes incidentally caught by Japanese Antarctic krill commercial fishery to the north of the South Shetland Islands in February 1997

   Niitaka Maru were made from 1 to 23 February, 1997 to the north of the South Shetland Islands. Among 80 ... hauls examined, a total of 61 specimens belonging to 4 families and 7 species, Electrona antarctica (50 ... hauls. Except for one channichthyid juvenile of Neopagetopsis ionah, by-catch fishes were referred to ... , Electrona antarctica of the Myctophidae was the most abundant. This species was found in 12 hauls, and its ...

   Meeting Document : WG-EMM-97/72 : Автор(ы): Iwami, T., Ichii, T., Naganobu, M., Kawaguchi, S.

3. On the consequences of differentiating between adult and sub-adult survival rates in the krill-predators model

   growth rates, thus solving problems of lack of self-sustainability encountered in earlier model analyses ... split of the overall density dependence effect between the first year and following sub-adult years of ... life. Since evaluations of the level of resilience of a predator to krill fishing depend on the values ... annual population growth rate of 10%. Author(s):  Butterworth, D.S., Thomson, R.B. Title:  On the ...

   Meeting Document : WG-EMM-95/39 : Автор(ы): Butterworth, D.S., Thomson, R.B.

4. Preliminary results of a feeding trial on the blue-eyed shag Phalacrocorax atriceps

   bransfieldensis during 45 days of the austral summer at Jubany Station, King George Island, South Shetland Islands ... improve the accuracy of weight estimations of fish ingested, calculated y means of equations based on ... otolith-lengths. The shag produced a total of 16 pellets, with a frequency of 1 every 2.5 days. It ... ingested willingly a mean ration equivalent to 31% of its mass, which is a higher energy requirement than ...

   Meeting Document : WG-CEMP-94/29 : Автор(ы): R. Casaux, M. Favero, E. Barrera-Oro and P. Silva (Argentina)

5. Age distribution of breeding female Antarctic fur seals in relation to changes in population growth rate

   Abstract:  The age distribution of breeding female Antarctic fur seals at Bird Island, South ... Georgia, in 1988 was compared with the age distribution of a sample obtained in 1971-1973. The mean age in ... ), which was significantly lower than in 1971-1973. Indicators of population size suggested that population ... -1972. Exponential models fitted to the frequency distribution of age-classes greater than age 5 years ...

   Meeting Document : WG-CEMP-91/21 : Автор(ы): I.L. Boyd, N.J. Lunn, P. Rothery and J.P. Croxall (United Kingdom)

6. Dense populations of the Antarctic scallop (Adamussium colbecki) in Terra Nova Bay (Subarea 88.1J): potential VMEs adjacent to the Terra Nova Bay ASPA (No. 161)

   Abstract:  Benthic communities of the Terra Nova Bay area (Ross Sea) close to the Italian station ... Mario Zucchelli is located, have been largely investigated in the last couple of decades. All the ... acquired knowledge supports the presence of very rich and diversified communities. This has led to the ... establishment of an ASPA (N° 161). The Antarctic scallop, Adamussium colbecki (Smith, 1902), is one of the most ...

   Meeting Document : WG-EMM-12/23 : Автор(ы): M. Chiantore and M. Vacchi (Italy)

7. Review of fishery monitoring and forecast procedures

   Abstract:  The Secretariat monitors the catches of all target and by-catch species (or species ... closed 68 fishing areas, and the total catches of Dissostichus in areas closed using the forecast model ... averaged 98.5% of the relevant catch limits. The forecast model relies on the assumption that the fishery ... the prediction. Using this prediction approach assumes that there will be underruns and overruns of ...

   Meeting Document : WG-SAM-13/06 : Автор(ы): Secretariat

8. Revised research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Division 58.4.1

   Abstract:  The current season (2014/15) is the final one of the first three-season research which ... Petersen estimator and the CPUE x seabed analogy method. Understanding of the resource structure through ... clarification of their life history is essential to establish stock assessment and robust stock/ fisheries ... management of Dissostichus spp. population(s) in data- poor exploratory fisheries. During the second three ...

   Meeting Document : WG-FSA-15/17 : Автор(ы): Delegation of Japan

9. Revised research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Division 58.4.2

   Abstract:  The current season (2014/15) is the final one of the first three-season research which ... method using updated CCAMLR C2 data and reference area sizes. Understanding of the resource structure ... through clarification of their life history is essential to establish stock assessment and robust stock ... / fisheries management of Dissostichus spp. population(s) in data- poor exploratory fisheries. During the ...

   Meeting Document : WG-FSA-15/18 : Автор(ы): Delegation of Japan

10. Research plan for the 2016/17 exploratory longline fishery of Dissostichus spp. in Division 58.4.1

    Abstract:  The current season (2015/16) is the first one of the second three-season research in ... analogy method. Understanding of the resource structure through clarification of their life history is ... essential to establish stock assessment and robust stock/ fisheries management of Dissostichus spp ... enhanced tagging program, and collection and analysis of biological data including otoliths and gonads to ...

    Meeting Document : WG-SAM-16/04 : Автор(ы): Delegation of Japan

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