Résultats de la recherche

1. Implementing plausible ecosystem models for the Southern Ocean: an ecosystem, productivity, ocean, climate (EPOC) model

   Abstract:  An ecosystem, productivity, ocean, climate (EPOC) model has been developed in the R ... procedures for krill following the recommendations of the workshop held by WG-EMM in 2004. EPOC has been ... explore the consequences of uncertainty in model structures but, more importantly, to enable ecosystem ... well as examining the sensitivity of outcomes to changes in model structures, not only in the magnitude ...

   Meeting Document : WG-EMM-05/33 : Auteur(s): A.J. Constable

2. CCAMLR measures regulating the tagging of Dissostichus species, metrics used to assess vessel tagging performance, the potential for some anomalous results, and general recommendations on tagging; a view from the hauling room

   species) in exploratory fisheries carried out within the Convention Area are described.  Following the ... first season of implementation we describe several circumstances which will cause anomalies in the tag ... overlap statistic used to monitor tagging performance.  These relate to differences in the length ... distribution of Dissostichus species within the assessed management division (ASD) or changes in the tagging ...

   Meeting Document : WG-FSA-11/50 : Auteur(s): J.M. Fenaughty (New Zealand) and J. Brown (United Kingdom)

3. Histopathology of Antarctic krill, Euphausia superba, bearing black spots

   superba, since January, 2001. To study the nature of the black spots, the krill were sampled in the winter ... of 2003, 2006, and 2007 in the South Georgia region, the Antarctic Ocean. Histological observations ... bacteria or amorphous material. In the 2007 samples, 42% of the krill had melanized nodules. Most of the ... genes. More than three bacterial species or strains were also confirmed by in situ hybridization for 16S ...

   Meeting Document : WG-EMM-08/P09 : Auteur(s): S. Miwa, T. Kamaishi, T. Matsuyama, T. Hayashi and M. Naganobu

4. Important aspects of prey distribution for the formation of foraging areas of chinstrap penguins and Antarctic fur seals at Seal Island

   . Chinstrap penguins foraged in two modes during chick-brooding period: daytime foraging chinstrap penguins ... foraged in the inshore region, while overnight foraging penguins foraged in the slope region. It was ... difficulty in perceiving prey at night. Antarctic fur seals foraged mostly in the slope/offshore region ... during pup-rearing period. It was suggested that important factors may be mainly 4) and 6). In conclusion ...

   Meeting Document : WG-EMM-97/28 : Auteur(s): Bengtson, J.L., Hiruki, L.M., Naganobu, M., Ichii, T., Meyer, W.R., Cameron, M.F., Boveng, P., Takao, T., Miura, A., Jansen, J.K., Kawaguchi, S., Hayashi, T.

5. A tale of two islands: contrasting fortunes for sub-Antarctic skuas at the Prince Edward Islands

   at the Prince Edward Islands was conducted during December 2008, repeating a previous survey in ... supported twice as many non-breeding birds. Burrowing petrels comprised 96% of prey in skua middens at ... coverage in 2008, whereas the number of skua nests on Marion Island was barely half that counted in 2001 ... , continuing an apparent decrease in this species at Marion Island since the 1980s. There is no evidence that ...

   Meeting Document : WG-EMM-10/P03 : Auteur(s): P.G. Ryan, P.A. Whittington and R.J.M. Crawford

6. The living planet index

   Abstract:  UNEP-WCMC is developing further an approach for measuring and communicating trends in ... biodiversity captured in the Living Planet Index. The Index is based on average trends in populations of ... several hundred vertebrate species from around the world, and UNEP is interested in including CCAMLR data ...

   Meeting Document : WG-EMM-04/16 : Auteur(s): Secretariat

7. Marine debris, entanglements and hydrocarbon soiling at Bird Island and King Edward Point, South Georgia, Signy Island, South Orkneys and Goudier Island, Antarctic Peninsula, 2010/11

   Island. In total, 177 items of marine debris were found in association with seabird colonies at Bird ... at Bird Island and Signy Island during 2010/11 were below the long-term mean for beached debris in ... -term mean in summer and winter at Bird Island but slightly above the mean at Signy Island. At King ... Edward Point the number of entanglements was significantly higher than the single incidence reported in ...

   Meeting Document : SC-CAMLR-XXX/BG/05 : Auteur(s): Delegation of the United Kingdom

8. A distribution-free model of length-frequency distribution to inform fishery stratification for integrated assessments

   significantly influence the LFD helps in evaluating how to account for important differences in availability and ... set of length quantiles L for a predetermined set of corresponding probabilities P (in this instance ... 0.05, 0.1 to 0.9 in 0.1 increments, and 0.95), constructed from individual length measurements of ... and sensitivity in detecting differences compared to modelling a single quantile such as the median ...

   Meeting Document : WG-SAM-13/18 : Auteur(s): S. Candy, P. Ziegler and D. Welsford (Australia)

9. MANAGEMENT OF VMS INFORMATION BY THE SECRETARIAT CONCERNING CATCHES OF PATAGONIAN TOOTHFISH BEYOND THE CONVENTION AREA

   , that VMS reports by vessels that capture toothfish be transmitted previously and in real time to the ... Contracting States voluntarily report the activities performed in waters beyond the jurisdiction of the ... Convention, the Secretariat should ensure that such information is being loaded into the CCAMLR data bases in ... to be carried out through a modification of Conservation Measure 10-04 (2007) in accordance with the ...

   Meeting Document : CCAMLR-XXIX/46 : Auteur(s): Delegation of Chile

10. WILL KRILL FARE WELL UNDER SOUTHERN OCEAN ACIDIFICATION?

    water pCO2 could rise up to 1400 μatm in krill’s depth range under the IPCC IS92a scenario by the year ... and 2000 μatm pCO2 in order to assess the possible impact of ocean acidification on early development ... atm pCO2; however, at 2000 μatm pCO2 development was disrupted before gastrulation in 90 per cent of ... -response relationship for krill developmental and later stages, in order to predict the possible fate of ...

    Meeting Document : WG-EMM-11/P6 : Auteur(s): S. Kawaguchi, H. Kurihara, R. King, L. Hale, T. Berli, J.P. Robinson, A. Ishida, M. Wakita, P. Virtue, S. Nicol and A. Ishimatsu

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