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1. Estimating unaccounted fishing mortality in the Ross Sea and 88.2C–G bottom longline fisheries targeting Antarctic toothfish

   Abstract:  Stock assessments rely upon estimates of the total mortality resulting from fishing ... activities. The level of mortality resulting from the loss of sections of bottom longline gear in the Ross ... its management objectives relating to human impacts on the Antarctic environment. We provide a method ... to estimate unaccounted fishing mortality from lost lines in the Ross Sea region and Subarea 88.2 ...

   Meeting Document : WG-FSA-11/48 : Autor(es): D.N. Webber and S.J. Parker (New Zealand)

2. Climate Change, Longevity Overfishing and Precautious Management of the Area 88 Toothfish Fishery

   Abstract:  Three aspects of current management of the “exploratory” Antarctic toothfish ... (Dissostichus mawsoni) fishery in Area 88 indicates that less-than-full precaution is being exercised in the ... of this species to climate-related factors; and 3) an increase in that sensitivity owing to the ... targeted removal of the oldest, most successful and most fecund toothfish. The current strategy is to ...

   Meeting Document : WG-FSA-09/07 : Autor(es): D. Ainley (USA), M. Massaro, G. Ballard (New Zealand) and J.T. Eastman (USA)

3. REPORT ON THE ABANDONED GILLNET RETRIEVAL OPERATION CONDUCTED BY AUSTRALIA IN CCAMLR STATISTICAL DIVISION 58.4.3B (BANZARE BANK)

   gillnets as a fishing method to target toothfish in the Convention area. Estimating the impact of IUU ... fishing is hampered by a lack of data on the design, deployment, catch and bycatch rates of gill nets ... (Statistical Division 58.4.3b), and the toothfish and bycatch found when a section of the gillnet was retrieved ... . Based on the amount of toothfish found in the 8 km long section of net retrieved, upwards of 29 tonnes ...

   Meeting Document : TASO-09/10 : Autor(es): Snowdon, D., Hamill, J., McEachan, F., Welsford, D.

4. VPA as one of the approaches for settling a problem of Patagonian toothfish, Dissostichus eleginoides, population quantity (Subarea 48.3, South Georgia)

   Abstract:  In order to avoid several problems associated with assessing the D. eleginoides stock ... in Subarea 48.3, it has been proposed to use the FAO programme ANACO (Mesnil, 1989) which allows one ... resorting to additional information on effort. VPBAS files for running the programme were created using our ... data as well as CCAMLR data. Some assumptions were made for this exercise. Assessments for the period ...

   Meeting Document : WG-FSA-95/14 : Autor(es): Shlyakhov, V.A.

5. Status and trends of Adelie penguin populations in the Ross Sea region

   Abstract:  Aerial reconnaissance and photography were used in the Ross Sea sector of Antarctica to ... determine the breeding locations of Adé1ie penguins Pygoscelis adeliae, and to count the numbers of nests ... occupied during the early incubation period. From 1981 to 1987, all islands and sea coasts between 158°E ... Adé1ie rookeries are now known from the region, with a total of about 1,082,1300 breeding pairs – almost ...

   Meeting Document : WG-CEMP-92/23 : Autor(es): R.H. Taylor, P.R. Wilson and B.W. Thomas (New Zealand)

6. A biomass estimate of Antarctic krill (Euphausia superba) at the Balleny Islands

   Abstract:  The biomass of Antarctic krill (Euphausia superba) at the Balleny Islands, Antarctica ... data processing followed the recommendations of CCAMLR SG-ASAM.  Two parameterisations of the krill ... acoustic target strength model were used.  The first parameterisation assumed a vertical orientation of ... krill, θ, as a normal distribution, mean = 11°, standard deviation = 4°, N(11,4), the second ...

   Meeting Document : WG-EMM-15/17 Rev. 1 : Autor(es): M.J. Cox (Australia), Y. Ladroit, P. Escobar-Flores and R.L. O’Driscoll (New Zealand)

7. Information on incidental mortality of seabirds and other protected species in the US West Coast pelagic longline fishery

   Abstract:  Although the IATTC does not have an established observer program in its longline ... subject to pertinent US regulations as well as under the purview of IATTC. In response to a CCAMLR query ... observed in the US West Coast pelagic longline fishery was reported by the US in WG-FSA-02/39. Per a ... standing request from CCAMLR for information on incidental seabird mortality in fisheries adjacent to the ...

   Meeting Document : WG-FSA-03/39 : Autor(es): D. Petersen, L. Enriquez and S. Fougner (USA)

8. Longterm monitoring of krill recruitment and abundance indices in the Elephant Island area (Antarctic Peninsula)

   Abstract:  Krill distribution and density are reviewed for the Elephant Island area with regard to ... the representativeness of the study area (60°- 62°30'S and 53°- 57°30 'W) for the ... recruitment and density indices. Recruitment indices were re-calculated applying the delta distribution ... approach introduced by de la Mare (1994a). The high interannual variability of krill recruitment is ...

   Meeting Document : WG-EMM-96/45 : Autor(es): de la Mare, W., Loeb, V., Siegel, V.

9. DEVELOPMENT OF EFFECTIVE MITIGATION TO REDUCE SEABIRD MORTALITY IN THE ICEFISH (CHAMPSOCEPHALUS GUNNARI) TRAWL FISHERY IN SUBAREA 48.3

   Abstract:  Seabird mortality levels caused by net entanglement in the icefish trawl fishery in ...  Subarea 48.3 became a concern in the late 1990s. At this time there was little knowledge on how to ...  measures to reduce seabird bycatch levels. This resulted in the development and operational trialing of ...  and simply applied mitigation measure and is thought to be largely responsible for the continued ...

   Meeting Document : WG-IMAF-09/15 : Autor(es): B. Sullivan (BirdLife International), J. Clark (United Kingdom), K. Reid (Secretariat) and E. Reid (BirdLife International)

10. Regional catch analysis of the longline fishery of Dissostichus eleginoides (Pisces: Nototheniidae) in Chile

    Abstract:  Capture statistic analyses from the different regions of Chile where fishery of ... statistics published by the SERNAP (National Fishery Service). It shows that activity has lasted few years in ... each geographic region considered. As captures have decreased in the northern zone, the artisanal fleet ... has migrated towards south, concentrating actually in the X Region of Chile and we attract attention ...

    Meeting Document : WG-FSA-91/10 : Autor(es): C. Lemaitre, P. Rubilar, P. Gebauer and C.A. Moreno (Chile)

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