Résultats de la recherche

1. Growth models for D. eleginoides for the Heard Island plateau region (Division 58.5.2) calibrated from otolith-based length at age data and validated using mark-recapture data

   (VP) of sampling lengths. A segmented linear trawl fishing selectivity function was used where the ... upper-arm was estimated, as described elsewhere, from comparisons of longline LF samples to that for ... trawls for seasons where both fishing methods were used. Due to the small number of fish in the aged ... sample that were older than 20 years the general trend in the data of length with age did not exhibit ...

   Meeting Document : WG-FSA-05/64 Rev. 1 : Auteur(s): S.G. Candy, T. Lamb, A.J. Constable and R. Williams (Australia)

2. Korean research plan in Divisions 58.4.1 and 58.4.2 in 2016/17

   Abstract:  Most things related to Dissostichus spp. in the eastern side of Antarctic Ocean has not ... sizes were vulnerable with a big range of about 1,000-2,000 t per SSRU in 58.4.1. During the 2004-2015 ... more recapture. The food-web of Dissostichus spp. has started to be studied in the southern Ross Sea ... and 58.4.1C. Some studies on biology of the fish have been evaluated, but those are not enough to ...

   Meeting Document : WG-SAM-16/17 : Auteur(s): Delegation of the Republic of Korea

3. Report from a krill- focused survey with RV Kronprins Haakon and land-based predator work in Antarctica during 2018/19

   survey that provides updated estimates of the biomass and distribution of krill which are used in models ... essential for the implementation of a Feed-Back Management (FBM) system. The survey follows a similar design ... high krill-density areas, contains state-of-the art methods and employs modern technology for the ... research topics currently in focus. In terms of FBM, Marine Protected Area (MPA) development in CCAMLR ...

   Meeting Document : WG-EMM-2019/07 : Auteur(s): B. Krafft, K. Bakkeplass, T. Berge, M. Biuw, J. Erices, E. Jones, T. Knutsen, R. Kubilius, M. Kvalsund, U. Lindstrøm, G.J. Macaulay, A. Renner, A. Rey, H. Søiland, R. Wienerroither, H. Ahonen, J. Goto, N. Hoem, M. Huerta, J. Höfer, O. Iden, W. Jouanneau, L. Kruger, H. Liholt, A. Lowther, A. Makhado, M. Mestre, A. Narvestad, C. Oosthuisen, J. Rodrigues and R. Øyerhamn

4. Catch removals due to killer and sperm whale interactions across sub-Antarctic fisheries

   investigated the extent of this conflict in multiple commercial Patagonian toothfish (Dissostichus eleginoides ... , and Heard Island and McDonald Islands (Indian sector of the Southern Ocean) fisheries, statistical ... . The results indicated that these removals were large, totalling more than 6,600 t of toothfish between ... 2009 and 2016 with an overall annual mean of 837 t [95% CI 480-1,195 t], comprised of 317 t [232-403t ...

   Meeting Document : WG-FSA-2019/33 : Auteur(s): P. Tixier, P. Burch, F. Massiot-Granier, P. Ziegler, D. Welsford, M.-A. Lea, M.A. Hindell, C. Guinet, S. Wotherspoon, N. Gasco, C. Péron, G. Duhamel, R. Arangio, R. Tascheri, S. Somhlaba and J.P.Y. Arnould

5. Soviet krill fishery in 1977–1992, Part 1. Distribution, fishing effort, interannual situation patterns

   types of FE distribution in subsequent groups of years: Type I: 1981 and 1982, partly 1979/1980: FE was ... : FE was developed mostly in subarea 48.2, since 1985 the role of 48.3 is increasing. Type III: 1987 ... discussed several groups of factors influencing FE distribution, it is very difficult to determine the key ... one between them. However, it was revealed that the determined types of FE distribution well ...

   Meeting Document : WG-EMM-01/57 : Auteur(s): F.F. Litvinov, V.A. Sushin, G.A. Chernega and O.A. Berezhinskiy (Russia)

6. Foraging trip duration in male and female macaroni penguins at Bouvetøya

   recommend using only males. However, males attend the chicks at the nest during most of the brooding period ... -transmitters in the middle of the brooding period (chick age 12-18 days) and 17 females instrumented at the ... start of the creching period (chick age 25-30 days). Males made their first foraging trips at the start ... of the creching period. The first trip usually lasted several nights, whereas the subsequent trips ...

   Meeting Document : WG-EMM-98/28 : Auteur(s): F. Mehlum, K. Isaksen and V. Bakken (Norway)

7. THE ROSS SEA AS A UNIQUE EVOLUTIONARY SITE

   Abstract:  The case is made that the Ross Sea is an evolutionary site on par with those of the ... Antarctic marine groups. The Ross Sea fish fauna includes 95 species of fishes, dominated by 61 species of ... notothenioids, an endemic perch-like group. Relative to fish fauna in warmer regions, the nature of the Ross Sea ... fish diversity overshadows the absolute numbers of species. Antarctic notothenioid fishes, living at ...

   Meeting Document : WG-EMM-09/13 : Auteur(s): J.T. Eastman and D.G. Ainley (USA)

8. Krill biomass estimates for South Georgia, December and January 1996/97

   conducted within two 80 x 100 km areas over the shelf-break to the north-east and north-west of South ... Georgia during December/January 1996/97. Netting suggested that the mean lengths of krill within the ... box-specific krill target strength (TS) values of-38.89 and-38.59 dB kg-1. Acoustic signals believed ... to be attributable to krill were identified on the basis of the difference between mean volume ...

   Meeting Document : WG-EMM-97/48 : Auteur(s): Goss, C., Watkins, J.L., Brierley, A.S.

9. Temporal variability in Antarctic marine ecosystems: periodic fluctuations in the phocid seals

   Abstract:  Three species of seals around Antarctica have shown quasi-cyclic patterns in some ... aspect of their biology: the age structure of crabeater seals (Lobodon carcinophagus) around the ... and with the Southern Oscillation Index (SOI). All of the seal data sets showed evidence of cyclical ... behavior when demodulated at a period of 5 yr. The Weddell seals were generally in phase with the SOI since ...

   Meeting Document : WG-CEMP-91/13 : Auteur(s): J.W. Testa, G. Oehlert, D.G. Ainley, J.L. Bengtson, D.B. Siniff, R.M. Laws and D. Rounsevell (USA)

10. Squeezed from both ends: Decline in Antarctic fur seals in the South Shetland Islands driven by both Top–down and Bottom–up processes

    Abstract:  Understanding the relative contributions of different sources of mortality and survival ... in predator populations can improve ecosystem models and management of marine ecosystems.  Within the ... .  This has led to an under emphasis of the role of bottom-up drivers for controlling fur seal production ... provided as an indicator of bottom-up drivers and we contrast these with early season neonate mortality and ...

    Meeting Document : WG-EMM-14/39 : Auteur(s): M.E. Goebel and C.S. Reiss (USA)

Pages