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1. Modelling the consequences of Antarctic krill harvesting of Antarctic fur seals

   ). A single species yield model is currently being used by the CCAMLR Scientific Committee to recommend ... an annual krill catch limit, which is expressed as a proportion (??= 0.116) of a survey biomass ... estimate. This approach takes the needs of predators into account in only a crude way by assuming that a ... predators. A krill-predator modeling procedure is presented that could be used to directly assess the impact ...

   Meeting Document : WG-EMM-01/66 : Autor(es): R.B. Thomson, D.S. Butterworth (South Africa), I.L. Boyd and J.P. Croxall (United Kingdom)

2. The Patagonian toothfish: biology, ecology and fishery

   Abstract:  Patagonian toothfish (Dissostichus eleginoides) is a large notothenioid fish that ... toothfish are a long-lived species (> 40 years), which initially grow rapidly on the shallow shelf areas ... , biochemistry, parasite fauna and tagging indicate a high degree of isolation between populations in the Indian ... . 1000 m) during the austral winter, producing pelagic eggs and larvae. Larvae switch to a demersal ...

   Meeting Document : WG-FSA-10/P05 : Autor(es): M.A. Collins, P. Brickle, J. Brown and M. Belchier

3. Results of the fifth Ross Sea shelf survey to monitor abundance of sub-adult Antarctic toothfish in the southern Ross Sea, February 2016, and notification for continuation in 2017

   Abstract:  At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... abundance from a well-designed survey could be a useful input into the Ross Sea stock assessment model. The ... results of the fifth survey in the time series. The objectives of this survey were: (1) to continue a time ... 881.L in the southern Ross Sea (Strata A–C) using standardised gear in a standardised manner; and (2 ...

   Meeting Document : WG-SAM-16/14 : Autor(es): A. Dunn, C. Jones, S. Mormede and S. Parker

4. Cruise Report – Research Project: Demersal finfish distribution, abundance, and their biological characteristics in Statistical Subareas 48.1 (northern area) and 48.2

   Abstract:  A finfish survey was completed using bottom trawl fishing gear according to a random ... , 2012) and on shelf areas of the South Orkney Islands according to a subsample of stations sampled by ... , 2018, primarily using a Hardbottom Snapper trawl (NET Systems, Inc.), previously used by the US AMLR ... Program, Southwest Fisheries Science Center, National Marine Fisheries Service. A total of 36 hauls were ...

   Meeting Document : WG-SAM-18/25 : Autor(es): Delegation of Chile

5. Descriptive analysis of acoustic data collected during the 2003 exploratory fishery for toothfish in the Ross Sea

   Abstract:  This report presents results from a pilot study to determine the feasibility of ... issues with data quality were interference from another echosounder, and the occurrence of a double ... bottom echo caused by too high a ping rate. All line recordings were in water over 1000 m deep. Because ... deadzone would be over 50 m high for a sea-bed with a slope of 20º. The problem of the acoustic deadzone ...

   Meeting Document : WG-FSA-03/28 : Autor(es): R.L. O’Driscoll and G.J. Macaulay (New Zealand)

6. BEACH DEBRIS SURVEY AT CAPE SHIRREFF, LIVINGSTON ISLAND, DURING THE ANTARCTIC SEASON 1996/97

   Abstract:  During the Antarctic season 1996/97 a beach debris survey was carried out on the ... beaches of Cape Shirrefl Livingston Island, South Shetland Islands, where a total of 1 609 articles with a ... total of 49.03 Kg were obtained. Besides, from a neighbouring area of Cape Shirreff, were collected 178 ... ) with a 94.30/.), followed by glass (67) with a 4.20/0; metal (19 pieces) 1.20/0; and paper (6 pieces ...

   Meeting Document : CCAMLR-XVI/BG/35 : Autor(es): Delegation of Chile

7. Fishery Report: Dissostichus eleginoides and Dissostichus mawsoni South Sandwich Islands (Subarea 48.4)

   as a new fishery in 1992/93 following notifications from Chile and the USA (SC-CAMLR-XI, Annex 5 ... , paragraph 6.22), and the adoption of Conservation Measure 44/XI, which set a precautionary catch limit for ... , paragraph 6.2). In addition, a Bulgarian-flagged longliner fished in November and December 1992 and ... reported a catch of 39 tonnes of D. eleginoides (SC-CAMLR-XII, Annex 5, paragraph 6.1). 2. Haul-by-haul ...

   Document : Site Section: Publications

8. Proposed revision to the estimation of fisheries footprints

   Abstract:  A revised approach to the estimation of longline fisheries footprints is presented. The ... method uses a data-derived estimate of the uncertainty around the locations of longlines to define a ... buffer around these lines. Within a georeferenced framework, buffered lines are then matched to a 10km ... grid. The proportion of the area of each grid cell that is covered by buffered lines is then used as a ...

   Meeting Document : WG-FSA-2019/67 : Autor(es): CCAMLR Secretariat

9. Report on attendance at the Fourth Meeting of the Committee for Environmental Protection Under the Madrid Protocol

   issues of relevance to SC-CAMLR are: (1) A report of an open-ended intersessional contact group of the ... CEP reported on progress to find appropriate criteria for and a mechanism to ensure consistency in ... , the designation of Antarctic Specially Protected Species. The contact group will continue under a ... specified Terms of Reference; (2) A report from an intersessional contact group on Diseases of Antarctic ...

   Meeting Document : CCAMLR-XX/BG/03 : Autor(es): Chair of the CCAMLR Scientific Committee

10. Abundance and trends of Type B killer whales (Orcinus orca) around the western Antarctic Peninsula

    impact of these physical changes on the marine ecosystem. The WAP is surrounded by a complex marine food ... web involving a number of predator and prey populations, and empirical data on abundance and trends is ... ecotypes (Types B1, B2 and A). Here we report on the movement patterns and abundance of both forms of Type ... B killer whales: a larger mammal-eating form (B1) that apparently specializes on hunting ice seals ...

    Meeting Document : WG-EMM-18/16 : Autor(es): H. Fearnbach, J.W. Durban, D.K. Ellifrit and R.L. Pitman

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