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1. DATA QUALITY ASSESSMENT IN CCAMLR: REQUIREMENTS FOR MINIMUM INTEGRITY TESTING TO ENSURE THAT DATA ARE FIT FOR PURPOSE

   confirmation of their validity. In the context of CCAMLR, data may undergo one set of quality testing in order ... important for prioritizing the work of the Secretariat in data quality assessment, and also in ensuring that ... errors and discrepancies are resolved in consultation with data owners/originators and, where possible ... errors in fishery data which originated at the vessel-level, and indicated that some errors were not ...

   Meeting Document : WG-SAM-09/05 : Автор(ы): Secretariat

2. Escapement of elephant seal prey in the Heard Island fishery for Dissostichus eleginoides

   Elephant seals in the Heard Island region. A question was raised at SC-CAMLR-XV concerning what affect the ... fishery for toothfish in Division 58.5.2 might have on the abundance of the age classes of toothfish ... of 3800 tonnes. Of 21 otoliths found in Elephant Seal stomachs at Heard Island that have previously ... reliably and related to a specific size class of fish. However, it seems that toothfish in the age range of ...

   Meeting Document : WG-EMM-97/42 : Автор(ы): Slip, D., Constable, A.J., de la Mare, W.K., Williams, R.

3. Annual variation in breeding biology of gentoo penguins, (Pygoscelis papua) at Bird Island, South Georgia

   later in 1987, when the breeding population decreased markedly. Factors involved in the timing of ... breeding are discussed. Within years egg-laying was highly synchronous: 95% of clutches were initiated in ... breeding population at Bird Island decreased by 20% and increased by 84% in successive years during the ... varied annually, and with age of the breeding bird, nest location and, in one year, with laying date ...

   Meeting Document : WG-CEMP-90/38 : Автор(ы): T.D. Williams (United Kingdom)

4. Distribution, morphology, growth, reproduction, diet and trophic position of two species of grenadier (Macrourus whitsoni and M. caml) in the Ross Sea region of the Southern Ocean (CCAMLR Subareas 88.1 and 88.2)

   Macrourus whitsoni and M. caml in the Ross Sea region of the Southern Ocean. Fish were caught by New Zealand ... vessels in the fishery for Antarctic toothfish (Dissostichus mawsoni) between December 2011 and February ... 2012 from CCAMLR subareas 88.1B, 88.1C, 88.1G, 88.1H, 88.1K and 88.2H. In total, 227 M. whitsoni and ... . whitsoni examined was 65 cm TL and 1.3 kg. The two main morphological characters (number of rays in the ...

   Meeting Document : WG-FSA-12/54 Rev. 1 : Автор(ы): M.H. Pinkerton, P. McMillan, J. Forman, P. Marriott, P. Horn, S. Bury and J. Brown (New Zealand)

5. Further development of a spatially explicit population dynamics operating model for Antarctic toothfish in the Ross Sea region

   younger fish were found predominantly in southern areas of the Ross Sea shelf, mature fish on the slope ... and spawning fish in the northern areas of the Ross Sea region. Fits to the observations were ... generally good. Further investigations are recommended in order to further validate and refine this model ... data in areas not fished to date. In addition, further external validation diagnostics need to be ...

   Meeting Document : WG-SAM-13/35 : Автор(ы): S. Mormede, A. Dunn, S. Parker and S. Hanchet (New Zealand)

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

   overlap in Area 48, with particular emphasis on Subarea 48.1. We used habitat utilization data for ... in Subarea 48.1. In general, overlap of summer and winter foraging habitats with krill catches in ... during the winter period, especially in the Bransfield Strait. Across years, predator distributions ... large differences in total catch in Subarea 48.1 suggests plausible local impacts on gentoo penguin ...

   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)

7. Preliminary evaluation of two feedback management strategies for the krill fishery in Subareas 48.1–48.3

   for the krill fishery will compromise the Commission’s ability to achieve the objectives in Article II ... management strategies in which the overall catch limit is dynamically redistributed among small scale ... ‑2) or (2) changes in penguin abundance. Relative to the case in which the overall catch limit is ... statically distributed among SSMUs in proportion to catches taken during 2009-2016, we found that the two ...

   Meeting Document : SC-CAMLR-XXXVII/BG/12 : Автор(ы): Delegation of the USA

8. Advances are urgently needed in providing regular estimates of krill stock status based on the available data

   Abstract:  CCAMLR currently manages the krill fishery in subareas 48.1 to 48.4 using an arbitrary ... measure (the trigger level) which was established in 1991 and is “not related to the status of the krill ... -species feedback loop that is widely used in fishery management elsewhere, including in other CCAMLR ... fisheries. This feedback loop regularly modifies management measures, such as catch limits, in response to ...

   Meeting Document : WG-EMM-2019/28 : Автор(ы): S. Hill, J. Hinke, N. Ratcliffe, P. Trathan and G. Watters

9. RECENT TRENDS IN NUMBERS OF CROZET SHAGS BREEDING AT THE PRINCE EDWARD ISLANDS

   decreased by more than 70% from 840 pairs in 1994/95 to 220 pairs in 2003/04 and then increased to some 500 ... pairs in 2008/09. The trends are thought to have been influenced by breeding success, which averaged ... were similar trends in numbers breeding and breeding success of gentoo penguins Pygoscelis papua, which ... doubled between the summers of 2001/02 and 2008/09. In 2008/09, some 600 pairs of Crozet shags were ...

   Meeting Document : WG-EMM-10/P2 : Автор(ы): R.J.M. Crawford, P.G. Ryan, B.M. Dyer and L. Upfold

10. Information on krill in reports from the CCAMLR scheme of international observation and its utility for management

    International Observation revealed that there are a number of inconsistencies in the information being reported ... . Few reports have been submitted each year with a maximum of eight submitted in 2005. Very little ... operational procedures are reported sporadically and inconsistently. Similarly, because of the differences in ... the information reported in individual Observer’s Reports it is difficult to assess the level of by ...

    Meeting Document : WG-EMM-07/22 : Автор(ы): J. Foster, S. Nicol and S. Kawaguchi (Australia)

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