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1. Approaches to monitoring and assessing toothfish in new and exploratory fisheries, with particular reference to Subarea 88.1

   would be imprudent to rely solely on any one of these methods at the present time. We recommend that tag ... recapture experiments, or trawl surveys, be used in conjunction with experimental manipulation of effort to ... monitor toothfish – and perhaps as importantly – the wider ecosystem effects of the toothfish fisheries ... effort manipulation approach in all New and Exploratory fisheries, and in particular the current active ...

   Meeting Document : WG-FSA-SAM-04/08 : Autor(es): ODriscoll, R.L., Hanchet, S.M.

2. Beach litter accumulation and retention at sub-Antarctic Marion Island: trends in relation to longline fishing activity

   1998 are reported, and compared to surveys done in 1984 and 1995, prior to the onset of unregulated ... while fishing equipment also doubled during this period. An increase in the number and proportion of ... illegal fishing in this area. An exponential increase in the litter accumulation was noted in annual ... Spanish script items was noted, while French items only appeared after the onset of illegal fishing ...

   Meeting Document : CCAMLR-XVII/BG/25 : Autor(es): Delegation of South Africa

3. Seal mitigation measures on trawl vessels fishing for krill in CCAMLR Subarea 48.3

   (WG-EMM) in Siena, Italy, the UK reported on the by-catch of fur seals (Arctocephalus gazella) in the ... avoid fur seal deaths in the fishery. WG-EMM requested that the UK provide further details of the ... Abstract / Description:  At the 2004 meeting of the Working Group on Ecosystem Monitoring and Management ... seal entanglements on krill vessels fishing around South Georgia in the 2004 fishing season. The ... -catch of fur seals (Arctocephalus gazella) in the krill fi shery around South Georgia, and on ... Management (WG-EMM) in Siena, Italy, the UK reported on the by-catch of fur seals (Arctocephalus gazella ... deployed to avoid fur seal deaths in the fi shery. WG-EMM requested the UK to provide further details of ... towards an escape opening 0.5 m in diameter in the roof of the net (Figure 4, measure 1). It was ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 195–205 : Autor(es): Hooper, J., J.M. Clark, C. Charman and D. Agnew

4. REFERENCE OBSERVATIONS FOR VALIDATING AND TUNING OPERATING MODELS FOR KRILL FISHERY MANAGEMENT IN AREA 48

   reference points for the density of krill, and the abundance of “generic” seals, penguins and whales in 1970 ... considered a definitive description of the relevant dynamics. This exercise resulted in population sizes for ... Abstract:  In 2007 WG-SAM defined a set of reference observations for validating and tuning ... . The numerical calendar is a partly subjective interpretation of limited data and should not be ...

   Meeting Document : WG-EMM-08/10 : Autor(es): S. Hill (United Kingdom), J. Hinke (USA), É. Plagányi (South Africa) and G. Watters (USA)

5. Does large-scale ocean circulation structure life history connectivity in Antarctic toothfish (Dissostichus mawsoni)?

   : successfully spawning fish spend only a part of their adult life history in the Ross Sea; areas in the eastern ... (Dissostichus mawsoni) in the Southeast Pacific Basin (SPB) and Ross Sea, with a life history structured by the ... environmental heterogeneity, yet the chemistry in otolith nuclei, deposited during early life, showed no ... differences. Age data showed only adult fish in catches on the Pacific-Antarctic Ridge in the SPB; and ...

   Meeting Document : WG-FSA-12/P02 : Autor(es): J. Ashford, M. Dinniman, C. Brooks, A. Andrews, E. Hofmann, G. Cailliet, C. Jones and N. Ramanna

6. Report on an Antarctic cetacean survey on board a Chilean fishing vessel in February 2016

   , comprising 217 individuals, including calves of both humpback and fin whales. The preliminary results of the ... video cameras to the bow and stern section of the ship to assess any potential behavioural response to ... Abstract:  During a CCAMLR endorsed fishing survey on board the Chilean trawler ‘Cabo de Hornos ... ’ around the South Orkney Islands and Elephant Island, a trained marine mammal observer conducted a ...

   Meeting Document : WG-FSA-16/19 : Autor(es): S. Viquerat, H. Herr, K.-H. Kock and P. Arana

7. A preliminary stock assessment in SSRUS 486A, G: A Bayesian and CPUE based biomass dynamic model

   implemented in each species of toothfish. Tagging data was not used in any of the toothfish models, because of ... the low number of recovered individuals and low tag size-overlap. Modelling abundance in both species ... contribution to estimate abundance in a simple biomass dynamic model for both species of toothfish in northern ... sets in which both species are present, and thus, an analysis of catch intention was implemented by ...

   Meeting Document : WG-SAM-13/29 : Autor(es): R. Wiff, J.C. Quiroz (Chile) and R. Scott (United Kingdom)

8. Modelling variability and estimating power to detect change in Adélie penguin fledgling weights

   the number of birds weighed in each five-day period from 50 to 30 without substantial loss of power ... fledgling weights Abstract / Description:  Statistical models of variation in Adélie penguin fledgling ... weight data were used to examine the power to detect a change in fledgling weights after an impact. The ... year, but there was no evidence that the rate of decline differed between years. A consequence of this ... ). Estimates of the parameters A and B in equa- tion (2) were employed in equation (3) to estimate mean weight ... change in mean fledgling weight at time x without a change in variability, then the variances of the ... – 1) degrees of freedom. If interest lies in the detection of a change in the expected mean weight ... Abstract Statistical models of variation in Adélie penguin fledgling weight data were used to examine the ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 191–200 : Autor(es): Emmerson, L.M., C. Southwell and J. Clarke

9. Educational observer on board fishing vessels in Brazil

   /obligation on the usage of these measures is in force. Author(s):  Delegation of Brazil Title:  Educational ... Abstract:  We inquired several social aspects of two Brazilian crews working in pelagic longline ... order to investigate the social and professional character of each crew member. Overall, our results ... show a low level of studies among these professionals. We suggest the implementation of a new concept ...

   Meeting Document : SC-CAMLR-XXV/BG/20 : Autor(es): Delegation of Brazil

10. A bioenergetics model for estimating prey consumption by an Adélie penguin population in east Antarctica

    . The model predicts prey consumption throughout the breeding season and incorporates uncertainty in ... , and a year with low breeding success. On the basis of variable breeding success and the proportion of ... krill and fish in their diet, we estimate that this population consumes 78-406 t of krill and 4-46 t of ... Abstract:  We developed a bioenergetics model to estimate prey consumption by the Adelie penguin ...

    Meeting Document : WG-EMM-16/P10 : Autor(es): D. Southwell, L. Emmerson, J. Forcada and C. Southwell

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