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1. Seabird research at Cape Shirreff, Livingston Island, Antarctica, 2003–2004

   decline over the past five years, and is at its lowest size in the past seven years of study. While the ... seven years. Chinstrap fledging success was higher during the 2003-04 breeding season than in the ... previous season, but lower than the average for the past seven years. Gentoo fledging success in 2003-04 ... past seven years study. Chinstrap penguin diet contained more fish than in other years on average ...

   Meeting Document : WG-EMM-04/5 : Автор(ы): M. Antolos, A.K. Miller and W.Z. Trivelpiece (USA)

2. Interannual variations of water thermochaline structure on South Georgia Island, South Orkney Islands and Shetland Islands shelves

   intermediate cold layer. In some years of this type (1 97 1, 1972, 1978, 1982) the layer had positive ... temperature, while in other years (1980, 1981) the layer temperature was negative. The second year type (1979 ... area of South Orkney Isls and Shetland Isls in January-February since 1970. Three types of years have ... could be used when analysing krill aggregations' distribution and density for the period of years ...

   Meeting Document : WG-EMM-00/34 : Автор(ы): P. Chernyshkov, V. Shnar, O. Berezhinsky and I. Polischuk (Russia)

3. DEVELOPMENT OF RECOVERY PLANS FOR DEPLETED TOOTHFISH STOCKS IN THE INDIAN OCEAN SECTOR OF THE SOUTHERN OCEAN

   years and then two years later. The surveys should have only low catches in order to not impede recovery ... along with the estimated time series of historical catches are used to provide estimates of B0 for this ... trajectories indicate it is likely that it will be at least 5 years before it is sufficiently low risk to ... comparison with historical catch rates and otolith collection to estimate age structure and recruitment ...

   Meeting Document : WG-FSA-09/44 : Автор(ы): D.C. Welsford, A.J. Constable and J.P. McKinlay (Australia)

4. The relationship between sea-ice cover and Adélie penguin reproductive performance at Béchervaise Island

   Abstract:  The relationship between Adélie penguins and ice is undeniable, with ice influencing ... population growth in response to a reduction in the frequency of heavy sea-ice years. However, it is ... influences, such as primary productivity or foraging trip duration. To further explain the relationship ...

   Meeting Document : WG-EMM-07/21 : Автор(ы): L. Emmerson and C. Southwell (Australia)

5. The Antarctic toothfish Dissostichus mawsoni (Nototeniidae) nutrition in the Ross Sea during the fishing season 2011/12

   Abstract:  During fishing trip of F/V «Jung Woo 3» (Republic of Korea) in the Ross Sea over 29 ... various SSRUs correlate positively with the average catches per day. Preys toothfish had length from 8 to ...

   Meeting Document : WG-FSA-12/06 : Автор(ы): Yu.V. Korzun and N.A. Misar (Ukraine)

6. Preliminary results from a study examining spatial structure and connectivity in Patagonian toothfish (Dissostichus eleginoides) in the South Atlantic section of the Southern Ocean

   signatures could discriminate between geographic locations along the Scotia Arc and along the eastern South ... material in the otolith nuclei, formed during the early life history: similar nucleus signatures can be ... caught further west, implying a stock boundary. Although fish caught off the eastern North Scotia Ridge ...

   Meeting Document : WG-FSA-03/86 Rev. 1 : Автор(ы): J.R. Ashford (USA), A. Arkhipkin (United Kingdom) and C.M. Jones (USA)

7. Status of the krill stock around Elephant Island in 1991/92 and 1992/93

   other years appears to be associated with female maturity development and spawning during early summer ... during austral summer 1991/92 and 1992/93 are described and compared with information from previous years ... . The length frequency distributions and maturity stage composition reflected relatively good year class ... success from the 1990/91 spawning season but poor success from 1991/92. Year class success from these and ...

   Meeting Document : WG-KRILL-93/08 : Автор(ы): V. Loeb (USA) and V. Siegel (Germany)

8. Population demography of Antarctic fur seals: the costs of reproduction and implications for life-histories

   consecutive years, including 3 years when several indices showed that food availability was well below average ... age classes with the highest reproductive output (ages 5-8 years). 5. Mean pregnancy rate was 0•70 (SD ... age 3–4 years, pregnancy rate peaked at age 8 years and declined thereafter. Otherwise pregnancy rate ... . 2. Population age structures were used, in conjuction with the measured age-specific survival rates ...

   Meeting Document : WG-EMM-95/26 : Автор(ы): Reid, K., Croxall, J.P., Lunn, N.J., Boyd, I.L.

9. Habitat partitioning in Antarctic krill: spawning hotspots and nursery areas

   whether “hotspots” of egg production and early stage nursery occurred, and secondly whether the available ... extracted data spanning 41 years (1976-2016) from the existing KRILLBASE-abundance and KRILLBASE-length ... slope. This contrasts with the distributions of calyptope and furcilia larvae, which were concentrated ... temperature suggest that krill associate with different habitats over the course of their life cycle. From the ...

   Meeting Document : WG-EMM-2019/20 : Автор(ы): F. Perry, A. Atkinson, S.F. Sailley, G.A. Tarling, S.L. Hill, C.H. Lucas and D.J. Mayor

10. Krill length and age at maturity

    identical for krill. Comparisons with length at age data show that females mature in the third year of the ... life cycle (age class 2 +), while males reach maturity in the fourth year as age class 3 +. Both sexes ... later at a length between L50 = 43.33 and 43.79 mm. Length at maturity, and length at first spawning are ...

    Meeting Document : WG-KRILL-93/40 : Автор(ы): V. Siegel (Germany) and V. Loeb (USA)

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