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1. Can we use discriminant function analysis to sex penguins prior to calculating an index of a morphometric parameter?

   sex of individuals, it is only able to correctly sex a certain proportion of birds. Two overlapping ... functions are able to correctly determine the sex of birds with greater than 80% success the difference ... . Combining all data for both sexes is considered as a procedure for avoiding the necessity of sex ... determination, but uncertainty in sex ratios can lead to considerable Type I and Type II errors. Lack of ...

   Meeting Document : WG-CEMP-92/11 : Автор(ы): D.J. Agnew (Secretariat)

2. Some comments on the procedure for testing estimators of krill abundance which utilise survey data

   Abstract:  Since krill distributional data do show evidence of spatial correlation, estimators of ... performance in practice. Such studies require a simple method for computer generation of krill distribution ... " models of krill distribution are considered. These achieve overall spatial correlation by placing ... encouraging improvement in fits to the distribution of inter-swarm distances observed on the 1981FIBEX survey ...

   Meeting Document : WG-KRILL-91/21 : Автор(ы): D.S. Butterworth, D.L. Borchers and D.G.M. Miller (South Africa)

3. Further development of the fishery plans

   /6). Each Fishery Plan draws together the history of management measures and fishery requirements ... Secretariat undertook a major re-organisation and re-construction of the database which holds the time series ... of information used in the Fishery Plans. This information includes: • management measures and ... fishery requirements reported in the ‘Schedule of Conservation Measures in Force’; • other management ...

   Meeting Document : WG-FSA-SAM-04/04 : Автор(ы): Secretariat

4. Intra-archipelago moult dispersion of southern elephant seals at the Prince Edward Islands, southern Indian Ocean

   ), 38 of which could be individually identified by resighting their tag numbers. The majority of the MI ... . The attendance rate of the known individuals at their natal island during the annual moult was only 40 ... PEI, and 80 ± 4% for the simulation. Seasonal and annual absences of seals from MI violate the ... ‘homogeneity of capture’ assumption of mark–recapture models. When multiple sightings during any year are ...

   Meeting Document : WG-EMM-10/P16 : Автор(ы): W.C. Oosthuizen, M.N. Bester, P.J.N. de Bruyn and G.J.G. Hofmeyr

5. Lessons from CCAMLR on the implementation of the ecosystem approach to managing fisheries

   Abstract:  The Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) is ... can be developed to decide on spatial management strategies for fisheries so that predators of target ... species are not disproportionately affected as a result of spatial and/or temporal dependencies of ... assessing the status of target species and their predators, but also in designing cost-effective management ...

   Meeting Document : WG-EMM-12/P06 : Автор(ы): A.J. Constable

6. Antarctic krill populations in the outflow region of the north-western Weddell Sea

   March 2013. The aim of the survey was to study the zooplankton composition and krill abundance and ... distribution in the outflow region of the Weddell Sea. Due to severe pack-ice conditions, more than half of the ... was below the longterm average of the area. New one-year-old recruits were scarce, the stock was ... dominated by two and three year old krill. Spawning occurred late and numbers of gravid females and larvae ...

   Meeting Document : WG-EMM-13/24 : Автор(ы): V. Siegel (European Union)

7. Observations of penguins in the waters off South Orkney Islands, 2011–2013

   Abstract:  In this study, we introduce the initial results from three seasons (2011-2013) of ... transect lines during five consecutive days within late January and early February. Three species of ... average number of penguins observed per hour increased from year to year, with 7.8 ind/hour in 2011, 32.8 ... the differences in study design, density of prey resources and relevant physical factors. This study ...

   Meeting Document : WG-EMM-13/35 : Автор(ы): B.A. Krafft, G. Skaret (Norway) and P. Trathan (United Kingdom)

8. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2013–14

   Abstract:  This report summarises the timing, depth, and location of fishing together with the ... biological aspects and catch of Antarctic toothfish up to an including the 2014 season. In 2014, the Ross Sea ... 12 years with a slight decline in the past two years. Length frequency distributions of Antarctic ... strong mode of smaller (90–120 cm TL) toothfish present in the Slope fishery from 2010–2013 was not ...

   Meeting Document : WG-FSA-14/52 : Автор(ы): M. Stevenson, S. Hanchet, S. Mormede and A. Dunn (New Zealand)

9. Progress report for the third year of the research fishery for Dissostichus spp. in Subarea 48.6 being jointly undertaken by Japan and South Africa: 2013–2015.

   participated in the research project in each of the three fishing seasons and the progress achieved during the ... first 2.5 years is reported. Between December 2012 and April 2015 a total of 291 Dissostichus ... eleganoides and 3273 D. mawsoni were tagged and released, and a total of 10 and 49 tagged D. eleganoides and D ... the southern half of Subarea 48.6 already in the current season, more than total number for all ...

   Meeting Document : WG-SAM-15/50 : Автор(ы): R.W. Leslie (South Africa), K. Taki, T. Ichii (Japan) and S. Somhlaba (South Africa)

10. Predicting distribution and relative abundance of mid-trophic level organisms using oceanographic parameters and acoustic backscatter

    Abstract:  Data on the distribution and abundance of mid-trophic level organisms (MTLOs) in the ... mesopelagic zones, using sea surface temperature, time of day (day/night) and depth. The resulting models ... predicted backscatter reasonably well in the Pacific sector of the SO, and in an independent dataset in the ... Indian sector of the SO. Our predictive models may provide a tool for inferring abundance and ...

    Meeting Document : WG-EMM-18/P07 : Автор(ы): P.C. Escobar-Flores, R.L. O’Driscoll and J.C. Montgomery

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