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1. Preliminary examination of otolith microchemistry to determine stock structure in Antarctic toothfish (Dissostichus mawsoni) between SSRU 88.1C and 88.2H

   Abstract:  Life history characteristics of Antarctic toothfish (Dissostichus mawsoni), were ... concentrations in the otolith edge and then to (ii) assess the potential of natal signatures to distinguish ... shown. This resulted in the correct classification of 63% of fish overall to their original capture ... sites. Discrimination of otolith natal signatures using Al:Ca and Zn:Ca showed greater classification ...

   Meeting Document : WG-SAM-14/33 : Autor(es): R. Tana, B.J. Hicks, C. Pilditch and S.M. Hanchet (New Zealand)

2. Fishing behaviour of Chinese krill fishing fleet

   Abstract:  Understanding the fishing behavior of a kind of fishery is a very important part of ... relationship between distance and frequency distribution of the adjacent krill fishing positions were analyzed ... in the subareas of the Commission for Conservation of Antarctic Marine Living Resources (CCAMLR ... subareas 48.1, 48.2 and 48.3). The frequency of distances between consecutive hauls shows a heavy-tailed ...

   Meeting Document : WG-EMM-17/45 : Autor(es): R. Wang and G.P. Zhu

3. Development of a vessel safety checklist and debriefing protocol for use in SISO

   approved by the Commission (proposed A(e bis) in CCAMLR-XXXVI/25).  This paper provides examples of vessel ... Abstract:  In accordance with the recommendations of the 2013 Panel Review of the CCAMLR Scheme of ... of SISO recommends the performance of a vessel safety check (see proposed Annex II in CCAMLR-XXXVI/25 ... ) prior to observer deployment, as well as the use of a form and protocol for debriefing observers to be ...

   Meeting Document : CCAMLR-XXXVI/BG/16 : Autor(es): Delegation of the USA

4. Engaging ‘the crowd’ in citizen science and remote sensing to learn about habitat affinity of two Southern Ocean seals

   presence/absence patterns of the Weddell seal (Leptonychotes weddellii), and has recently been adapted for ... efficient method to screen large numbers of images (and hence area) for undertaking census counts of Weddell ... images of the pack ice acquired during October 2018 in the Weddell Sea to identify presence/absence of ... 852 VHR images, composed of a series of tiles called “maps”, across both campaigns. The circum ...

   Meeting Document : WG-EMM-2019/37 : Autor(es): M.A. LaRue, D.G. Ainley, J. Pennycook, K. Stamatiou, M. Dozier, J. Saints, L. Sales, N. Nur, S. Stammerjohn and L. Barrington

5. Effects of recruitment variability and natural mortality on Generalised Yield Model projections and the CCAMLR Decision Rules for Antarctic krill

   ;vector of recruitments" input option to simulate the population dynamics of krill in the Antarctic ... Peninsula region (Subarea 48.1) under various assumptions. The annual proportions of krill less than 36 mm ... in length to the total captured in AMLR net samples in four sampling regions of the Antarctic ... between 14 and 45%) and "high mortality" (M = 3, annual survival of 5%). CVs of either 0, 10 ...

   Meeting Document : WG-EMM-12/26 : Autor(es): D. Kinzey, G. Watters and C. Reiss (USA)

6. Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longline

   combination of socio-economical, ecological and conservation issues. However, estimating the amount of ... indirect methods of assessment of depredated biomass over a 11-year period (from 2003 to 2013), both ... accounting for spatial variations of depredation levels. In the first method, we used fishing data from 6 525 ... longline sets to calculate the difference between Catch Per Unit Effort (CPUE) of non-depredated and ...

   Meeting Document : WG-FSA-14/10 : Autor(es): N. Gasco, P. Tixier, G. Duhamel and C. Guinet (France)

7. An updated descriptive analysis of the toothfish (Dissostichus spp.) tagging program in Subareas 88.1 and 88.2 for 2006/07

   Abstract:  The descriptive analyses of the toothfish tagging programme carried out in Subareas ... provides an update of the preliminary tag-release and tag-recapture data that were presented at the July ... 2007 meeting of WG-SAM by including revised data and data from non-New Zealand vessels that fished in ... 2007. Overall, a total of 15 088 Antarctic toothfish have been reported as released and 458 recaptured ...

   Meeting Document : WG-FSA-07/40 : Autor(es): A. Dunn, S.M. Hanchet and S.L. Ballara (New Zealand)

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

   Abstract:  Aspects of the reproduction, size distribution, and movements of Antarctic toothfish ... and timing of spawning, and the probable early life history characteristics of toothfish, we ... investigated models that mimic the drift of eggs and larvae over a 6–24 month period using an oceanic ... circulation model linked to the high resolution global environmental model (HiGEM). The location of toothfish ...

   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)

9. Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Signy Island, South Orkney Islands, 2004/05

   Abstract:  The results of the ninth annual survey of entanglement of Antarctic fur seals at Signy ... Island, South Orkney Islands are reported for the 2004/05 summer season. There were two sightings of ... seals wearing neck collars of man-made debris, both were sub-adult males entangled with fishing net. In ... ground. The incidence of entanglement at Signy Island, albeit very low, highlights the need for CCAMLR ...

   Meeting Document : SC-CAMLR-XXIV/BG/18 : Autor(es): Delegation of the United Kingdom

10. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2003/04

    seven seasons in Subarea 88.1 and for three seasons in Subarea 88.2. A large amount of data on toothfish ... different to earlier reviews of the exploratory fishery. In the first instance, it reports catches by the ... , the reported catch is confined to C2 data. The catch of D. mawsoni was 2414 t, and contributed 87% of ... , about 12 t of Patagonian toothfish (D. eleginoides) was taken, almost entirely from SSRU 881B. The main ...

    Meeting Document : WG-FSA-04/20 : Autor(es): S.M. Hanchet, M.L. Stevenson, N.L. Phillips and P.L. Horn (New Zealand)

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