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1. Longline fishing at Tristan da Cunha: impacts on seabirds

   important seabird populations. Two longline fisheries occur within Tristan's Exclusive Economic Zone: a ... pelagic fishery for tunas and a demersal fishery for bluefish and alfoncino. Fishery observers have ... lines during the day, only one bird (a Great Sheawater Puffinus gravis) was killed (mortality rate 0.001 ... effort, probably has a much greater impact. Observations aboard one vessel in mid-winter suggest a ...

   Meeting Document : WG-FSA-01/15 : Autor(es): N. Glass, I. Lavarello, J.P. Glass and P.G. Ryan (South Africa)

2. Oil, marine debris and fishing gear associated with seabirds at Bird Island, South Georgia 1995/96

   grey-headed albatrosses (two items). One gentoo penguin chick was released from entanglement in a ... packaging band; another (uncut) band was found at a nest of a northern giant petrel. Parts of fishing gear ... albatrosses (one bird impaled with a long-line hook, another hook found at a nest) and wandering albatrosses ... hooks, is a continuing cause for concern. Author(s):  Delegation of the United Kingdom Title:  Oil ...

   Meeting Document : SC-CAMLR-XV/BG/04 : Autor(es): Delegation of the United Kingdom

3. The application of CCAMLR Ecosystem Monitoring Program (CEMP) standard methods in the Antarctic site inventory project

   landing beaches where visitors access a site, allowing comparisons over time between areas that have much ... human activity and those without such activity. A power analysis indicates the Inventory's ... Inventory to detect a 10% or 20% change in a parameter with a significance level as. 01 and a statistical ...

   Meeting Document : WG-EMM-97/38 : Autor(es): Naveen, R.

4. Entanglement in man-made debris of Antarctic fur seals at Bird Island, South Georgia

   as part of an ongoing study by the British Antarctic Survey. A minimum of 8 seals were sighted ... ). During the summer pup-rearing period a minimum of 30 entangled seals were reported, 26 (87%) of which had ... their collars removed. This represents a reduction of 88% in the number of entangled seals reported in ... entanglement include a reduction in fishing activity in the South Georgia area, a decrease in the amount of ...

   Meeting Document : CCAMLR-X/BG/05 : Autor(es): Delegation of UK

5. Population assessment of Patagonian toothfish in the north of Subarea 48.4 – 2010 update

   . eleginoides tag recaptures in 2009/10, a total of 72 in all seasons; The length-frequency of 2009/10 captures ... is consistent with the theory that the bulk of the biomass is dominated by a small number of cohorts ... . CASAL estimates a large recruitment event in early the early 1990s and faster growth rates than those ... 48.4 are very similar to that from the previous season with a B 0 of 1,123 t (compared to 1,127 t in ...

   Meeting Document : WG-FSA-10/39 : Autor(es): J. Roberts and D. Agnew (UK)

6. Seamount-specific biomass estimates from SSRU 88.2H in the Amundsen Sea derived from mark-recapture data

   calculated for SSRU 88.2H as a whole. The analyses indicate that: Fish seldom move among seamounts within the ... overall showed a decline in biomass through time with a slight increase in biomass since 2012. The pattern ... in recapture rates of annual cohorts of tagged fish through time in SSRU 88.2H indicates a decrease ... catch and emigration of tagged and untagged fish resulting in a decreasing trend in biomass overall ...

   Meeting Document : WG-FSA-14/58 : Autor(es): S.J. Parker and S. Mormede (New Zealand)

7. Development of methods relevant to feedback management (FBM) for the krill fishery

   environment essential for the implementation of a Feed-Back Management (FBM) system. In terms of FBM, Marine ... krill density, distribution, availability and predator needs. A future developed FBM system, as ... during the fishing season as a measure of the available prey field. This information can be integrated ... summer 2018-2019. Author(s):  B.A. Krafft, A. Lowther, G. Macaulay, M. Chierici, M. Biuw, A. Renner, T.A ...

   Meeting Document : WG-EMM-18/08 : Autor(es): B.A. Krafft, A. Lowther, G. Macaulay, M. Chierici, M. Biuw, A. Renner, T.A. Klevjer, R. Øyerhamn, C.A. Cárdenas, J. Arata, A. Makhado, C. Reiss and O.A. Bergstad

8. Does the current South Georgia groundfish survey accurately estimate the standing stock of mackerel icefish?

   Abstract:  In subarea 48.3 mackerel icefish (Champsocephalus gunnari) are currently assessed by a ... bottom trawl survey, but evidence from predators and acoustics indicates that a considerable portion of ... the icefish biomass is in midwater and therefore missed by the bottom trawl survey. In January 2004, a ... midwater and reinforced the evidence that a bottom trawl survey significantly underestimates biomass. An ...

   Meeting Document : WG-FSA-SAM-04/20 : Autor(es): Agnew, D., Goss, C., Xavier, J., Belchier, M., Collins, M., Reid, K.

9. Testing for genetic differentiation between two size classes of the starry skate (Amblyraja georgiana)

   Abstract:  Two size classes of A. georgiana have been described in by-catch fishing data reported ... in the catch data from the Ross Sea fisheries. We extracted DNA from A. georgiana samples from both ... differentiated groups, which might have formed through a recent speciation event. We found no genetic differences ... among the samples of A. georgiana that were collected in the Ross Sea region, and the data did not ...

   Meeting Document : WG-FSA-12/53 : Autor(es): P. Ritchie and A. Fleming (New Zealand)

10. Steepness for Antarctic toothfish (Dissostichus mawsoni) based on life history

    Abstract:  Although steepness is typically considered a convenient re-parametrization of a stock ... steepness in a stock assessment.  We take the first step towards a consistent treatment of steepness for ... Antarctic toothfish by showing how to compute a frequency distribution of steepness based on life-history ...

    Meeting Document : WG-FSA-14/32 : Autor(es): M. Mangel, J. Brodziak and G.M. Watters (USA)

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