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1. GROUNDFISH SURVEY IN CCAMLR SUB-AREA 48.3 IN APRIL 2008 WITH PRELIMINARY ASSESSMENT OF MACKEREL ICEFISH

   2007/08 catch that remained after the survey (1709 tonnnes) will be taken. Scenario 1, which included ... Abstract:  In April 2008 the UK undertook a bottom trawl survey of CCAMLR Sub-Area 48.3 on the FV ... Sil, with 70 bottom trawls undertaken giving good geographic coverage. Using 10 strata and the updated ... sea-floor areas and adjusting this for the low headline height of the UK trawl (see CCAMLR WG-FSA ...

   Meeting Document : WG-FSA-08/28 : Autor(es): M.A. Collins, R.E. Mitchell, C.E. Main, J. Lawson, J. Watts, J. Slakowski, L. Featherstone and O. Rzewuski (UK)

2. Habituation to an acoustic harassment device (AHD) by killer whales depredating demersal longlines

   exposed to the device. However, the effect disappeared after successive exposures suggesting that killer ... fisheries that suffer significant losses caused by odontocete depredation. However, the efficacy of AHDs to ... deter odontocetes from fishing gear remains poorly investigated. To determine the effectiveness of AHDs ... m from the source) from a Patagonian toothfish longliner operating off the Crozet Islands while it ...

   Meeting Document : WG-FSA-14/P04 : Autor(es): P. Tixier, N. Gasco, G. Duhamel and C. Guinet

3. Population assessment of Patagonian toothfish in Subarea 48.4 – 2011 update

   Abstract:  In this paper we update the assessment of D. eleginoides in the northern half of ... Subarea 48.4 presented in 2010. The CASAL model is improved through the incorporation catch at age data ... , as an alternative to the catch at length data that were the only such data available in 2010. The ... catch at age model generates a yield of 52 tonnes based on CCAMLR decision rules. In 2006 the northern ...

   Meeting Document : WG-FSA-11/38 : Autor(es): J. Roberts, R. Mitchell and R. Wakeford (United Kingdom)

4. Demersal finfish distribution, abundance and their biological characteristics in Statistical Subareas 48.1 (northern part) and 48.2 (2018–2020)

   after the first survey had been undertaken in 2016. The revised proposal is planned to run from 2018 to ... Abstract:  The Republic of Chile completely revised its initial plan for a three-year project to ... study the distribution, abundance and biological characteristics of Antarctic demersal fish communities ... 2020. Based on the experience gained in the first phase of research and recommendations made by WG-SAM ...

   Meeting Document : WG-SAM-17/18 : Autor(es): Delegation of Chile

5. Demersal finfish distribution, abundance and their biological characteristics in Statistical Subareas 48.1 (northern part) and 48.2 (2018–2020)

   after the first survey had been undertaken in 2016. The revised proposal is planned to run from 2018 to ... Abstract:  The Republic of Chile completely revised its initial plan for a three-year project to ... study the distribution, abundance and biological characteristics of Antarctic demersal fish communities ... 2020. Based on the experience gained in the first phase of research and recommendations made by WG-SAM ...

   Meeting Document : WG-FSA-17/28 : Autor(es): Delegation of Chile

6. Preliminary analysis of seabird by-catch using CCAMLR observer data

   significant were time of year (very few birds caught after April) and use of streamer lines but the effects of ... Dissostichus eleginoides and various factors, including the nature and use of mitigating measures as well as ... presence/absence of seabird catches and a Gamma model for the magnitude of non-zero catches. Sparsity of ... combined. Other analytical difficulties, particularly in using generalised linear models, related to the ...

   Meeting Document : WG-FSA-99/28 : Autor(es): D.J. Agnew and J.P. Croxall (United Kingdom)

7. A hypothetical life cycle for Antarctic toothfish Dissostichus mawsoni in Antarctic waters of CCAMLR Statistical Area 88

   larvae after an 18–24 month period suggested by the models agreed moderately well with the distribution ... Abstract:  Aspects of the reproduction, size distribution, and movements of Antarctic toothfish ... Dissostichus mawsoni in CCAMLR Statistical Areas 88.1 & 88.2 were reviewed. Based on the presumed location ... and timing of spawning, and the probable early life history characteristics of toothfish, we ...

   Meeting Document : WG-FSA-07/35 : Autor(es): S.M. Hanchet, G.J. Rickard, J.M. Fenaughty, A. Dunn and M.J. Williams (New Zealand)

8. A distribution-free model of length-frequency distribution to inform fishery stratification for integrated assessments

   significantly influence the LFD helps in evaluating how to account for important differences in availability and ... /or gear specific selectivity. A distribution-free model of LFD is described which is fitted to the ... individual hauls as sampling units or after pooling hauls to sampling units defined by combinations of ... discrete-valued covariates of gear type, spatial block, depth strata, and optionally the sex of sampled ...

   Meeting Document : WG-SAM-13/18 : Autor(es): S. Candy, P. Ziegler and D. Welsford (Australia)

9. BEACH DEBRIS SURVEYS SOUTH SANDWICH ISLANDS

   deposition is similar to, but at the lower end of, the range reported from beaches on Signy Island, South ... Abstract:  Beach debris surveys were carried out at two sites in the South Sandwich Islands ... (CCAMLR sub-area 48.4) during the 1996/7 austral summer. Two surveys of a north-east facing beach (1 km ... in the group. Only 8 items were found in the initial survey of Demon Point, Candlemas Island. However ...

   Meeting Document : CCAMLR-XVI/BG/10 : Autor(es): Delegation of the United Kingdom

10. Estimating food consumption of marine predators: Antarctic fur seals and macaroni penguins

    Abstract:  1. Estimating food consumption is central to defining the ecological role of marine ... , growth, diet, life history and the activity budgets of marine predators to estimate population energy ... and macaroni penguin Eudyptes chrsolophus) that feed on krill in the Southern Ocean were used as ... examples to test the algorithm. A sensitivity analysis showed that estimates of prey consumed were most ...

    Meeting Document : WG-EMM-02/23 : Autor(es): I.L. Boyd (United Kingdom)

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