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1. A note on relating krill CPUE measures to abundance trends

   ; such an index should be stratified both spatially and by krill aggregation type- this has implications ... for routine data collection. Models should be constructed to investigate how substantial non ... -linearities in the relationship between the index and krill abundance might be. Author(s):  D.G.M. Miller and ...

   Meeting Document : WS-KCPUE-85/03 : Autor(es): D.G.M. Miller and D.S. Butterworth (South Africa)

2. Possible effects of different levels of krill fishing on predators – some initial modelling attempts

   will need to be taken into account in future developments of this approach, before the latter can claim ... possibility of biases in their estimation. These matters will need to be taken into account in future ... e l o BbImnsaeMocTR B3POCnbIX oco6el M ~@@~KTMBHOCTH BC~CIIPOkl3BOACTBa Y p%Aa IIATalo~MXCR ... predators. The underlying concepts may be explained by re fe rence t o F igure 1, w h i c h s h o w s ... least, on the level of krill biomass. Both will tend to be good at high biomass levels, and poor at ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 79–97 : Autor(es): Butterworth, D.S. and R.B. Thomson

3. Analysis of krill fishery behaviour in the southwest Atlantic: potential signals for moving fishing activities amongst SSMUs

   SSMU, but in autumn, there appear to be some opportunistic fishing on the way to Subarea 48.1 to 48.3 ... operation in Subarea 48.3, however forced to be relatively short in Subarea 48.1 due to changing ice ... set of pre-departure tactics over one day to determine if factory supply can be regained. CPUE and ... pumping methods due to small amount of data accumulated so far. More detailed data is need to be obtained ...

   Meeting Document : WG-EMM-07/27 : Autor(es): S. Kawaguchi, A. Constable and S. Nicol (Australia)

4. On possible influence of continuous krill fishing technology with the use of ‘air-bubbling suspension system’ on ecosystem elements

   location, fishing effort, etc.), the trawl design and fishing method should be considered as a constituent ... close contact with the trawl, will be exposed to ecosystem influence of CFS, but also marine animals ... (seals, fish, for instance), though not fished by trawl, can be exposed to ecological pressing at a ... distance through the influence on environmental conditions. Therefore we conceive it to be expedient that ...

   Meeting Document : WG-EMM-06/27 : Autor(es): S.M. Kasatkina and V.A. Sushin (Russia)

5. Review of biological parameters for Ross Sea skates

   MacDonald Islands. The taxonomy needs to be resolved before biological parameters derived from populations ... outside the Ross Sea can be applied to Ross Sea skates. Length-weight regression relationships for male ... is 14 years. However this may be a considerable underestimate, and true longevity may exceed 20 years ... . Age at sexual maturity for A. georgiana is estimated to be about 6–7 years for males and 8–13 years ...

   Meeting Document : WG-FSA-06/31 : Autor(es): M.P. Francis (New Zealand)

6. Review of the use of survey data and length-at-age models in the assessment of Dissostichus eleginoides in the vicinity of Heard Island and McDonald Islands (Division 58.5.2)

   abundance of specific cohorts were sensitive to the number of cohorts assumed to be represented in the ... that best estimates of cohort abundance will be achieved when mixture analysis is informed by accurate ... year such as could be derived through an age length key, and the selectivity of the gear used in the ... abundance of juvenile fish and the length-at-age model were also examined. Yield estimates were found to be ...

   Meeting Document : WG-FSA-06/44 Rev. 1 : Autor(es): D.C. Welsford, A.J. Constable and G.B. Nowara (Australia)

7. Preliminary assessment of Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a survey in May 2002

   classes (ages 2 and 3) are likely to be much weaker than the current juvenile year classes (ages 4 to 8 ... is expected to be undertaken at the Working Group on Fish Stock Assessment, including projections for ... the remainder of the season. Thus, a revision of the assessment provided here is expected to be needed ... estimates is expected to be around 2 910 tonnes for 2002/2003 CCAMLR season. This result is slightly greater ...

   Meeting Document : WG-FSA-02/70 : Autor(es): A.J. Constable, R. Williams and T. Lamb (Australia)

8. Reassessment of important population parameters for Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on time series of surveys and fishery data

   , may be much greater than older fish. This may need to be taken account of in the assessment process ... the Heard Island region. Clearly, a longer time series of data will be useful to better estimate ... recruits and natural mortality. A question to be addressed is the extent to which these stocks are ...

   Meeting Document : WG-FSA-01/73 : Autor(es): A.J. Constable, R. Williams, T. Lamb, I.R. Ball and E. van Wijk (Australia)

9. SOUTHERN OCEAN SENTINEL: REPORT OF THE FIRST INTERNATIONAL WORKSHOP IN 2009

   presentations. A report of the workshop will be submitted to the Scientific Committee for its considerations in ... workshop is that it should be possible to identify indicators of climate change impacts in the Southern ... Ocean that these could be used as early warning indicators of future change in both the Southern Ocean ... and elsewhere in the world. Importantly for CCAMLR, work in designing such a system should be ...

   Meeting Document : WG-EMM-09/37 : Autor(es): A.J. Constable

10. SEABIRD: DRAFT USER MANUAL V1.00-2008/06/18

    stage (e.g., immature or mature), sex, or behaviour (e.g., in any year mature birds may be classified as ... breeders or non-breeders). Interactions with fisheries can be modelled and the user can choose the sequence ... of events in a model year. A wide variety of types of data can be used. Estimation can be by maximum ...

    Meeting Document : WG-SAM-08/P03 : Autor(es): D. Fu and R.I.C.C. Francis (New Zealand)

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