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1. Disentangling the influence of three major threats on the demography of an albatross community

   threats on the demography of seabird communities is vital for evidence-based conservation. Using 20 years ... variability in breeding probability, which declined in all three species. For black-browed albatrosses, effort ... and M.A. Hindell Title:  Disentangling the influence of three major threats on the demography of an ... :  Content Approved Document Release Consent:  No Delegation responsibility for releasing documents ...

   Meeting Document : WG-FSA-2019/34 : Auteur(s): J.B. Cleeland, D. Pardo, B. Raymond, G.N. Tuck, C.R. McMahon, R.A. Phillips, R. Alderman, M.-A. Lea and M.A. Hindell

2. INTERACTIONS OF PATAGONIAN TOOTHFISH FISHERIES WITH KILLER AND SPERM WHALES IN CROZET EXCLUSIVE ECONOMIC ZONE: AN ASSESSMENT OF DEPREDATION LEVELS AND INSIGHTS ON POSSIBLE MITIGATION SOLUTIONS

   year period we estimated a total loss of 1200 tons of Patagonian toothfish due to depredation which ... represents a financial loss of approximately 10 millions €. Killer whales were found to be responsible for ... the largest part of this loss (70%) while sperm whales had a lower impact (30%). Photo-identification ... will be tested on an experimental campaign which will take place in early 2010. Author(s):  P. Tixier ...

   Meeting Document : WG-IMAF-09/12 : Auteur(s): P. Tixier, N. Gasco, G. Duhamel and C. Guinet (France)

3. The Southern Ocean Observing System (SOOS): an update

   Science and Implementation Strategy will be published in October 2011, an International Project Office has ... in implementation of the SOOS, for example through the CCAMLR Ecosystem Monitoring Programme (CEMP ... ). CCAMLR are invited to appoint an ex-officio representative to the SOOS Steering Committee. A SOOS Initial ... , and an Executive Officer, Louise Newman has been appointed. Currently, a website is being developed ...

   Meeting Document : CCAMLR-XXX/BG/13 : Auteur(s): A joint submission by SCAR and SCOR

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

   distance sampling survey for cetaceans along track. During 10 survey days, 463.1 km were covered on effort ... for fin-, humpback and, to a lesser extent, sei whales. If any fishing effort is to be undertaken in ... these areas, no disturbance within these comparably small areas of high animal density should be ... Title:  Report on an Antarctic cetacean survey on board a Chilean fishing vessel in February 2016 ...

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

5. An update on the ageing of Antarctic toothfish, Dissostichus mawsoni, from East Antarctica and the Amundsen Sea

   preparation method. Therefore, either method can be used to provide reliable age estimates for Antarctic ... Abstract:  This paper presents an update on the ageing of Antarctic toothfish, Dissostichus ... Zealand reference collection for Antarctic toothfish, with all pairwise comparisons between readers and ... and the other by thin sectioning, in order to assess the comparability of age estimates derived from ...

   Meeting Document : WG-FSA-17/15 : Auteur(s): G. Nowara, B. Farmer, T. Barnes, P. Ziegler and D. Welsford

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

   outlines the theory and procedures for calibrating an echo integration acoustic system with a standard ... Paper Title:  Calibration of an acoustic echo-integration system in a deep tank, with system gain ... sphere. It presents the results of an extensive calibration of a Simrad EK500 scientific echosounder with ... an echo integration acoustic survey. To minimise these effects, the TS gain and SA gain parameters ... procedures for calibrating an echo integration acoustic system with a standard sphere. It presents the ... ), target depth (0.8 to 7.5 m), and time (pre- and post-cruise). The calibration was in preparation for an ... . Assuming an accuracy of 0.5 dB for calibration with a standard target, the error of estimating mean target ... provide less troubling results. For instance, if the ES 120 transducer is used, an angle sensitivity of ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 127–144 : Auteur(s): Demer, D.A. and R.P. Hewitt

7. Influence of data quality and quantity from a multiyear tagging program on an integrated fish stock assessment

   Abstract:  Using a modeling framework for toothfish (Dissostichus spp.) population dynamics ... an integrated tag-based assessment are influenced by various aspects of a multiyear tagging program ... -overlap), numbers of tagged fish, duration of the tagging program, using catch-at-length or catch-at-age ... % tag size-overlap were sufficient for robust and unbiased assessments. Particularly in the early stages ...

   Meeting Document : WG-FSA-13/P03 : Auteur(s): P. Ziegler

8. Results of an acoustic investigation of Antarctic krill, Euphausia superba, biomass-density in the Elephant Island area in January/February 2001

   and processed according to protocols used for the CCAMLR 2000 Synoptic Survey. An average biomass ... Abstract:  Results from an acoustic krill survey in the Elephant Island Area carried out Jan 27th ... density of 15.32 g/m2 and a standing stock (B0) of 1.7 million tonnes were estimated for the entire area ... ). The biomass density presented here is also higher than the long-term running mean from net samples for ...

   Meeting Document : WG-EMM-02/30 : Auteur(s): M.A. Thomasson (Sweden), J.H. Emery (USA), J. Rademan (South Africa), R.P. Hewitt (USA) and B.I. Bergström (Sweden)

9. The effects of an experimental hake Merluccius capensis/paradoxus longline fishery on Procellariiform seabirds in South Africa - a preliminary investigation

   the world, concern was raised as to the effect an experimental Hake longline fishery would have on ... responsible for 1928 ± 1345 whitechinned petrel deaths a year in South African waters. Stepwise multiple ... impaired. Author(s):  Barnes, K. Title:  The effects of an experimental hake Merluccius capensis/paradoxus ...

   Meeting Document : WG-FSA-95/21 : Auteur(s): Barnes, K.

10. A comparison between the estimated density of krill from an acoustic survey with that obtained by scientific nets on the same survey

    density estimates for the RMT 8 oblique (0 to 200m depth) trawls conducted during January-March 1996 as ... part of a hydroacoustic biomass survey for Antarctic krill in CCAMLR Division 58.4.1. The acoustic ... , excluding sites where krill represented less than 90% of the catch. This reduction in variation was thus ... krill from an acoustic survey with that obtained by scientific nets on the same survey Approval ...

    Meeting Document : WG-EMM-97/43 : Auteur(s): Pauly, T., Higginbottom, I., Hosie, G., de la Mare, W.K., Nicol, S.

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