Résultats de la recherche

1. PENGUIN RESPONSES TO CLIMATE CHANGE IN THE SOUTHERN OCEAN

   tolerance; species with low adaptability, particularly the ice-obligates, may therefore be more affected by ... Abstract:  Penguins are adapted to live in extreme environments, but they can be highly sensitive ... -Southern Oscillation and the Southern Annular Mode are the main modes of climate variability that drive ... complex and changes over time, so that penguin responses to climate change are expected to vary ...

   Meeting Document : WG-EMM-09/P09 : Auteur(s): J. Forcada and P.N. Trathan

2. An updated spatially explicit population dynamics operating model for Antarctic toothfish in the habitable depths of the Ross Sea region

   unsatisfactory in previous models, with a much flatter maturity ogive than that derived through histology. In the ... . We propose that the modelling platform presented here can be used to test the likelihood and examine ... that a proportion of the mature fish spawn each year. The model estimation of the maturity ogive is now ... similar to that estimated by histological analysis. This model represents our current best model of the ...

   Meeting Document : WG-SAM-14/31 : Auteur(s): S. Mormede, A. Dunn, S. Parker and S. Hanchet (New Zealand)

3. Conserving surface-nesting seabirds at the Prince Edward Islands: the roles of research, monitoring and legislation

   regionally or internationally. The main causes of population decreases are thought to be by-catch mortality ... availability of prey to penguins and the Crozet shag Phalacrocorax [atriceps] melanogenis. It is proposed that ... the Prince Edward Islands Special Nature Reserve be expanded to include surrounding territorial waters ... near to the islands. Consideration needs also to be given to listing species as threatened or protected ...

   Meeting Document : WG-EMM-03/14 : Auteur(s): R.J.M. Crawford and J. Cooper (South Africa)

4. SCIC-18

   (Korea, Republic of) Support:  Ms Bonney Webb (CCAMLR Secretariat) Mr Eldene O'Shea (CCAMLR ... Commission meeting as usual. Meeting documents Doc Number Title CCAMLR-XXXVII/10 Cooperation with other ... organisations: Arrangements with International Organisations CCAMLR Secretariat CCAMLR-XXXVII/11 Second ... non-Contracting Party (NCP) cooperating with CCAMLR by participating in the Catch Documentation Scheme ...

   Meeting

5. Fish and invertebrate by-catch from Australian fisheries for D. eleginoides and C. gunnari in Division 58.5.2

   kg per year in weight. The results presented here, indicate that this species is likely to be very ... fisheries are estimated to be very low. From 1996/1997 to 2002/2003, a total of 115 tonnes of by-catch was ... with distances travelled ranging between 1 and 7 nautical miles. The time at liberty varied between 208 ... and 823 days, with most skates at liberty for approximately one year. Estimates of growth were very ...

   Meeting Document : WG-FSA-03/73 : Auteur(s): E.M. van Wijk and R. Williams (Australia)

6. Conservation Measure Conservation Measure 43-04 (2003)

   measure in accordance with Conservation Measure 21-02, and notes that this measure would be for one year ... and that data arising from these activities would be reviewed by the Scientific Committee in 2004 ... this fishery shall be carried out in accordance with Conservation Measure 25-03 so as to minimise the ... collected and recorded. Such data shall be reported in accordance with the System of International ...

   Conservation Measure : 43-04 (2003)

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

   birds with greater than 80% success, the difference between the true and apparent mean is likely to be ... discriminant function with greater than 80% success may be used to derive statistically robust estimates of ... discriminant analysis can be used to determine the sex of individuals, it is only able to correctly sex a ... certain proportion of birds. Two overlapping normal distributions are used to show that there is a ... birds. Concern was expressed that it may be necessary to know the sex of birds with absolute accuracy ... , and that discriminant analysis may not be sufficient for this purpose (SC-CAMLR, 1991 - paragraphs ... 4.8 to 4.12). A suggestion was made that one way to avoid the problem of sex detennination would be ... that male and females should be combined when monitoring certain CEMP parameters, such as penguin ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 259–272 : Auteur(s): Agnew, D.J.

8. Seabird avoidance measures for small Alaskan longline vessels

   guidelines. Vessel speed was found to be a primary determinant of both the distance astern that longline ... Alaskan longline vessels, we determined the “2-m access window”, or the distance astern that longline ... gear). We determined that the current single streamer line requirement for snap-on gear vessels over ... 16.8 m and with infrastructure (a 45-m streamer line with a minimum aerial distance of 20 m) was ...

   Meeting Document : WG-FSA-05/36 : Auteur(s): E.F. Melvin and M. Wainstein (USA)

9. IMPLEMENTATION OF CCAMLR OBSERVER PROGRAM ON KRILL FISHERIES

   , together with haul-by-haul fine-scale data were used to identify the target SSMUs and the critical periods ... analysis revealed that the key to a successful observer program is 100% participation by all Members in ... providing systematic observer coverage, with 100% vessel time coverage to ensure viable data collection. An ... urgent need for capacity building by all fishing nations is re-iterated so that a large number of ...

   Meeting Document : TASO-09/07 : Auteur(s): Kawaguchi, S.

10. Recent increase and southern expansion of Adelie penguin populations in the Ross Sea, Antarctica, related to climatic warming

    Barne (77°35’S) with the re-occupation of a former rookery that was abandoned sometime before the ... present century. These biological trends show remarkable synchronisation with physical evidence of ... climatic variation in the McMurdo Sound region. We suggest that the dynamics of Adelie penguin populations ... may be very sensitive indicators of changes in the Antarctic climate. Published in: New Zealand ...

    Meeting Document : WG-CEMP-92/22 : Auteur(s): R.H. Taylor and P.R. Wilson (New Zealand)

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