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1. Foraging energetics of Antarctic fur seals in relation to changes in prey availability

   account for the observed between-year difference in at-sea FMR of C. ursinus while foraging-trip duration ... . Krill, the nearly exclusive prey of breeding females, were very scarce in 1984 at South Georgia. Fur ... the 1985 values. Female condition at parturition and average foraging-trip duration (i.e., offspring ... normal years only 5% of their time at sea is spent resting. This contrasts with northern fur seals ...

   Meeting Document : SC-CAMLR-VIII/BG/13 : Autor(es): Delegation of United Kingdom

2. The use of CCAMLR Statistical Subareas 88.1 and 88.2 and Division 58.4.1 by Macquarie Island giant petrels

   overall time at sea. We consider it possible that this trip may have been indicative of trips undertaken ... giant petrels spent 37% of their overall time at sea in statistical sub-area 58.4.1, and 14% in sub-area ... enter CCAMLR waters, one bird undertook a longer trip into division 58.4.1, where it spent 6% of its ... adult northern giant petrels (Macronectes halli), and two fledgling chicks of each species during the ...

   Meeting Document : WG-FSA-06/49 : Autor(es): R. Trebilco, R. Gales, B. Baker and A. Terauds (Australia)

3. Variation in echosounder calibration with temperature and some possible implications for acoustic surveys of krill biomass

   2.0 °C) than in European waters (7.3 °C), and a similar trend was detected at 38 kHz. If European ... Abstract:  Accurate estimation of krill biomass by acoustic techniques is dependant upon a number ... of factors including, fundamentally, accurate echo-sounder calibration. The Simrad EK500 scientific ... echo-sounder used aboard RRS James Clark Ross is regularly calibrated at South Georgia before and after ...

   Meeting Document : WG-EMM-97/52 : Autor(es): Watkins, J.L., Woodroffe, P., Brierley, A.S., Goss, C.

4. Do Adélie penguin fledgling weights provide an index of prey availability?

   to two assumed proxies of prey availability: breeding success and foraging trip duration. Concordance ... Abstract:  We examine fledgling weights measured over 11 years at Béchervaise Island in relation ... between the two proxies was apparent when considering guard stage foraging trip durations but this was not ... as strong for the crèche foraging trips later in the season. Fledgling weights which are measured at ...

   Meeting Document : WG-EMM-05/21 : Autor(es): L. Emmerson, C. Southwell and J. Clarke (Australia)

5. RAPID WARMING OF THE OCEAN AROUND SOUTH GEORGIA,SOUTHERN OCEAN, DURING THE 20TH CENTURY: FORCINGS, CHARACTERISTICS AND IMPLICATIONS FOR LOWER TROPHIC LEVELS

   20th century but there are few locations with data before the 1950s. In addition, assessments of change ... Abstract:  The Southern Ocean is known to have warmed considerably during the second half of the ... in this region are hampered by the strong seasonal bias in sampling, with the vast majority of data ... collected during the austral summer. However, oceanographic measurements near South Georgia span most of the ...

   Meeting Document : WG-EMM-08/P03 : Autor(es): M.J. Whitehouse, M.P. Meredith, P. Rothery, A. Atkinson, P. Ward and R.E. Korb

6. Annual report of global toothfish trade data

   . Application of the Max Partner Pair (MPP) estimation methodology identified the USA again as the largest ... sources for the trade of toothfish products for the 2017 calendar year. The analysis has identified that ... the forms with mean unit values of 22.30 US$/kg for imports and 18.85 US$/kg for exports. The data ... identified the largest importer was the United States of America (USA), accounting for 54.01% of the global ...

   Meeting Document : CCAMLR-XXXVII/BG/08 Rev. 1 : Autor(es): CCAMLR Secretariat

7. Trade data analysis – Annual report of global toothfish trade data

   . Application of the Max Partner Pair (MPP) estimation methodology identified the USA again as the largest ... sources for the trade of toothfish products for the 2018 calendar year. The analysis has identified that ... forms with mean unit values of 24.03 US$/kg for imports and 23.40 US$/kg for exports. The data ... identified the largest importer was the United States of America (USA), accounting for 36.50% of the global ...

   Meeting Document : CCAMLR-38/BG/09 : Autor(es): CCAMLR Secretariat

8. Milk fatty acid signatures indicate both major and minor shifts in foraging ecology of lactating Antarctic fur seals

   away from breeding grounds and likely switch to a diet of krill during lactation. Additionally, at ... Abstract:  Fatty acid signature analysis is based on the conservation and unique signatures of ... fatty acids in the marine food chain and it may be useful in determining the composition of seal diets ... Antarctic fur seals at South Georgia during the perinatal period (n= 19) and subsequently during early (n=11 ...

   Meeting Document : WG-EMM-97/14 : Autor(es): Boyd, I.L., Iverson, S.J., Arnould, J.P.Y.

9. 2018 International Conference on Assessing Status and Trends of Habitats, Key Species and Ecosystems in the Southern Ocean, Hobart, Tasmania, Australia

   Abstract:  The program Integrating Climate and Ecosystem Dynamics, which is a partner program of ... IMBER and SCAR, will be holding a conference on assessing status and trends of habitats, key species and ... ecosystems in the Southern Ocean in April 2018.  This background paper is an invitation to Members of the SC ... -CAMLR to participate in working groups on four themes that will be of benefit to SC-CAMLR: (1 ...

   Meeting Document : SC-CAMLR-XXXIV/BG/22 : Autor(es): Delegation of Australia

10. DEVELOPMENT OF A METHODOLOGY FOR DATA QUALITY ASSESSMENT

    biological sampling data from a fishing trip. In particular these measures aim to quantify the prevalence of ... Abstract:  Measures are developed which aim to summarise the quality of fishing event, catch, and ... position or time reporting errors, the diversity of catch, the extent to which catch data follow Benford ... 's Law for the distribution of the first significant digit, whether length-frequency data have been ...

    Meeting Document : WG-SAM-08/13 : Autor(es): D.A.J. Middleton and A. Dunn (New Zealand)

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