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1. Spatial overlap of krill-dependent predators and krill fishery catches and a proposal for subdivision of catch limits in Subarea 48.1

   Abstract:  Progressing from Stage 1 to Stage 2 of a feedback management strategy requires a better ... appeared to be more stationary and did not respond as rapidly (or on as large a scale) to conditions that ... might affect the distribution of fishing effort.  A comparison of CEMP parameters from two years with ... from a single SSMU. We propose that 85,000 tonnes, based on observed overlap and likely impacts of such ...

   Meeting Document : WG-EMM-14/36 : Автор(ы): J.T. Hinke, M.E. Goebel (USA), M.M. Santos (Argentina), P.N. Trathan (UK), W.Z. Trivelpiece and G.M. Watters (USA)

2. Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2016 – Part C: Data analysis and MPA scenario development

   background in support of the development of a marine protected area (MPA) in the Weddell Sea planning area ... separate documents (Part A-C). SC-CAMLR-XXXV/BG/11 (Part A) sets out the general context of the ... the objectives and finally of the borders for the WSMPA. Earlier versions of Parts A-C were already ... , BG/16, BG/17) provides the necessary foundation for developing a WSMPA proposal (SC-CAMLR-XXXIV ...

   Meeting Document : SC-CAMLR-XXXV/BG/13 : Автор(ы): Delegation of Germany

3. Preliminary assessment of mackerel icefish, Champsocephalus gunnari, in the vicinity of Heard Island and McDonald Islands (Division 58.5.2), based on a survey in May–June 2006 using the Generalised Yield Model

   Abstract:  A survey of mackerel icefish, Champsocephalus gunnari, was undertaken in Division ... short-term annual yield in the 2006/2007 CCAMLR season. This paper provides a preliminary assessment of ... yield for the area of Division 58.5.2 to the west of 79°20’ E using standard CCAMLR methods. A lack of ... evidence of strong year classes recruiting to the population has led to a significant decrease in the ...

   Meeting Document : WG-FSA-06/43 Rev. 1 : Автор(ы): D.C. Welsford (Australia)

4. A proposal for large scale sampling of krill in the diet of predators across Area 48 to coincide with the CCAMLR synoptic survey

   Abstract:  There is a high degree of spatial and temporal variability in the population of ... variability requires a 'snapshot' of the krill population over the region (eg the CCAMLR B0 survey ... South Georgia krill in the diet of Antarctic fur seal Arctocephalus gazella show a good level of ... and March using a standard methodology. This data will he used to example the level of concordance ...

   Meeting Document : WG-EMM-99/33 : Автор(ы): K. Reid (United Kingdom)

5. A comparison of densities and length distribution of the Champsocephalus gunnari stock in Subarea 48.3 between years 1994 and 1995

   determined by a search procedure yielding randomly selected clusters of stations located within the 50–150 ... ; 151–250 and 251–500 m depth strata. The cluster structure is considered as a nested factor in an ANOVA ... in a nested ANOVA and a paired t-test. Significant increases in density have been detected at all ... a probability function to mean densities should be improved, but their differences at replicated ...

   Meeting Document : WG-FSA-95/34 : Автор(ы): Marschoff, E., Calcagno, J., Gonzalez, B.

6. Calibration of an acoustic echo-integration system in a deep tank, with system gain comparisons over standard sphere material, water temperature and time

   acoustic system with a standard sphere. It presents the results of an extensive calibration of a Simrad ... EK500 scientific echo sounder with a 120 kHz sprit-beam transducer in a refrigerated 10m deep tank ... ), transmitted pulse length (0.1, 0.3, and 1.0 ms), target depth (0.8- 7.5 m), and time (149 days). A discussion ... -integration system in a deep tank, with system gain comparisons over standard sphere material, water ...

   Meeting Document : WG-KRILL-92/17 : Автор(ы): D.A. Demer and R.P. Hewitt (USA)

7. Can we use discriminant function analysis to sex penguins prior to calculating an index of a morphometric parameter?

   sex of individuals, it is only able to correctly sex a certain proportion of birds. Two overlapping ... normal distributions are used to show that there is a difference between the real mean parameter for a ... . Combining all data for both sexes is considered as a procedure for avoiding the necessity of sex ... knowledge about the sex ratio between years makes combining the data a very doubtful procedure and use of a ...

   Meeting Document : WG-CEMP-92/11 : Автор(ы): D.J. Agnew (Secretariat)

8. A feedback management strategy for the krill fishery in Subarea 48.1

   Abstract:  We present a Stage-2 strategy for in-season feedback management (FBM) of the krill ... fishery in Subarea 48.1.  This strategy is a combination of two strategies that were separately proposed ... to the WG-EMM in 2015 and is based on a broad foundation of work undertaken to address a suite of ... action items specified by the WG-EMM.  A decision rule to adjust catches in groups of SSMUs (gSSMUs) is ...

   Meeting Document : WG-EMM-16/48 : Автор(ы): G.M. Watters, J.T. Hinke and C.S. Reiss

9. Monitoring a marine ecosystem using responses of upper trophic level predators

   population size, breeding performance, offspring growth rate, foraging behaviour and diet. A method was ... developed for reducing these multivariate time-series to a single vector, called a combined standardised ... index (CSI). 2. Sensitivity analyses showed that missing values had a large effect upon the accuracy of ... significantly low values. There was a significant non-linear functional response (similar to the Holling Type II ...

   Meeting Document : WG-EMM-01/25 : Автор(ы): I.L. Boyd and A.W.A. Murray (United Kingdom)

10. A RE-APPRAISAL OF THE TOTAL BIOMASS AND ANNUAL PRODUCTION OF ANTARCTIC KRILL

    and length frequency (KRILLBASE) yield a summer distributional range of ~19 x106 km2 and a mean total ... abundance of 8x1014 postlarvae with biomass of 379 million tonnes (Mt). These values are based on a ... throughput for a species of this size. The similarity between the three production estimates reflects a broad ... agreement between the three growth models used, plus the fact that, for a given population size, production ...

    Meeting Document : WG-EMM-08/17 : Автор(ы): A. Atkinson (United Kingdom), V. Siegel (Germany), E.A. Pakhomov (South Africa), M.J. Jessopp (United Kingdom) and V. Loeb (USA)

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