Résultats de la recherche

1. Activity, seasonal site fidelity, and movements of Type-C killer whales between the Ross Sea, Antarctica and New Zealand

   photo-ID data indicates that TCKW show a high degree of seasonal site fidelity, with whales inter ... and photo-identification), that TCKW undergo long-distance travel from the southern Ross Sea to New ... potential threats faced by, and capacity for resilience in, this top predator. Together with Weddell seals ... , TCKW have been identified as one of the two top predator species in the Ross Sea most likely to be ...

   Meeting Document : WG-EMM-15/52 : Auteur(s): R. Eisert (New Zealand), G. Lauriano, S. Panigada (Italy), E.N. Ovsyanikova, I.N. Visser, P.H. Ensor, R.J.C. Currey, B.R. Sharp and M.H. Pinkerton (New Zealand)

2. Results of the fifth Ross Sea shelf survey to monitor abundance of sub-adult Antarctic toothfish in the southern Ross Sea, February 2016, and notification for continuation in 2017

   Abstract:  At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... abundance from a well-designed survey could be a useful input into the Ross Sea stock assessment model. The ... length frequency distributions indicate than another stronger year class has entered the population with ... a mode at 75 cm, and that the older year class has 100 cm. The decline in the catch rates from 2012 ...

   Meeting Document : WG-SAM-16/14 : Auteur(s): A. Dunn, C. Jones, S. Mormede and S. Parker

3. Breeding numbers and success of Eudyptes penguins at Marion Island, and the influence of mass and time of arrival of adults

   with that of females. Although both species had low masses on arrival after the El Niño Southern ... filholi) over 22 years, suggesting that overwintering conditions may influence the proportions of birds ... foraging range than rockhopper penguins when breeding, and may be more influenced at this stage by wider ... -scale environmental phenomena. For macaroni penguins, breeding success was significantly correlated with ... adults and chicks were marked with a harmless food colorant so that they would not be weighed a second ... correlated with that of females. Although both species had low masses on arrival after the El Niño Southern ... penguins at Marion Island from 1978/79 to 2004/05, and considers factors that may be influ- encing these ... were stronger for macaroni penguins, suggesting that, while breeding, this species may be more ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 175–190 : Auteur(s): Crawford, R.J.M., B.M. Dyer, J. Cooper and L.G. Underhill

4. Empirically-driven feedback management incorporating multi-scale risk assessment and an experimental framework to facilitate adaptive improvement

   aspects of each currently tabled approaches from RA, EF, DR and EMP into potentially one that can be ... seeks to demonstrate the practicality of its implementation that could provide CCAMLR with a “dress ... towards developing a practical FBM approach (SC-36 para.3.23).  We present a revised approach to that ... developed to become relatively easy and quick to operationalize.  Finally, we propose a package of work that ...

   Meeting Document : WG-EMM-2019/18 : Auteur(s): A.D. Lowther, B. Krafft, O.R. Godø, C. Cardenas, X. Zhao and O.A. Bergstad

5. Algunos aspectos biologicos relevantes a la explotacion de la merluza negra (Dissostichus eleginoides Smitt, 1898) en la zona economica exclusiva argentina y sector oceanico adyacente

   . The distribution of Patagonian toothfish extends between of 36°30'S and 55°S from 80 to 2500 m ... . The selectivity perimeter should be bigger than 46 cm. The new maturity curve range at 50% 78,27 for ... ; females: a=5E-06; b=3.161; both: a=4E-06; b=3.187. The distribution of adults and juveniles can be ...

   Meeting Document : WG-FSA-97/49 : Auteur(s): Almeyda, S.M., Prenski, L.B.

6. WG-FSA-00

   Kingdom) WG-FSA-00/29 Reducing seabird by-catch with an underwater longline setting funnel P. Ryan and B ... observations on compliance with Conservation Measures 29/XVI and 63/XV Secretariat WG-FSA-00/39 Integration of ... comparison of the abundances of selected species with those obtained in previous surveys R. Williams, A ... macrocephalus) with a longline fishing vessel C.P. Nolan, G.M. Liddle and J. Elliot (United Kingdom) WG-FSA-00 ...

   Meeting

7. Analysis of the longline fishery data in the Ross Sea (SSRUs 881B, C and G)

   should be treated.    It was also shown that the current approach to analyze longline fishery data in the ... duration (min) and hauling speed   (min/1000 hooks) were analyzed. Our analysis shows that there is a ... interval of 99,7% CI. These CPUE and catch values are statistically unreliable and questionable high with ... respect to the fishery data in the year under consideration.  It was shown that total questionable catch ...

   Meeting Document : WG-FSA-16/14 : Auteur(s): S. Kasatkina

8. Evidence of change to the environment, ecosystem and fishery within Area 48 indicates the need for continued precaution

   ) which was established in 1991 based on the maximum catches reported for each subarea. Since that time ... the ecosystem has undergone rapid environmental change. Several studies suggest that krill numerical ... changes are consistent with global evidence of the ecological effects of environmental change. At the same ... time catches in Subarea 48.1 have increased beyond the maximum pre-1991 catch for that subarea which ...

   Meeting Document : WG-EMM-2019/29 : Auteur(s): S. Hill and A. Atkinson

9. Distribution of mackerel icefish by size-group at South Georgia

   results indicate that future surveys should be designed so as to provide a uniform sampling intensity over ... Abstract:  The depth distribution of C. gunnari was investigated with data from 9 groundfish ... of 8 depth strata with mean depths of 112, 137, 165, 185, 208, 230, 257 and 308 m. Fish were divided ... abundance (number of fish km?2) indicated that depth of maximum abundance increased as the size of the fish ...

   Meeting Document : WAMI-01/16 : Auteur(s): A.W. North and I. Everson (United Kingdom)

10. Small scale krill surveys: simulations based on observed euphausiid distributions

    the power of surveys to reliably detect changes in mean density indicate that with probability of Type ... distributions each of which is given 4 rotations. The results indicate that the coefficient of variation (c.v ... .) of mean krill density varies inversely with mean density, and is lowest for the survey design ... I and Type II errors 0.1 and 0.2 respectively, about 100 transects would be required to detect ...

    Meeting Document : WG-KRILL-91/19 : Auteur(s): D.J. Agnew (Secretariat) and S. Nicol (Australia)

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