Résultats de la recherche

1. Microincrement analysis in otoliths of Notothenia rossii fingerlings from the South Shetland Islands to estimate early life history timings and to validate annulus formation

   phase fingerlings selected from a total sample of 364 early juveniles caught mainly in summer from 2003 ... to 2010 at Potter Cove, South Shetland Islands, allowed to provide insights on early life history ... date of capture showed two main periods of larval hatching separated by 5-6 months, one in late summer ... , indicating a timing of demersal settlement of about eight months from hatching. The age/length frequency ...

   Meeting Document : WG-FSA-12/04 : Auteur(s): E. Barrera-Oro (Argentina) and M. La Mesa (Italy)

2. IMPACTS OF CLIMATE CHANGE ON ANTARCTIC MARINE ECOSYSTEMS: A CALL FOR ACTION

   decade, but little in the way of policy or operational change has resulted at CCAMLR. Over the past 50 ... years major alterations of the ecological workings of the Southern Ocean have been underway. These ... Western Antarctic Peninsula has warmed more than four times faster than the average rate of Earth’s ... the distribution and abundance of those species whose natural history patterns are closely tied to sea ...

   Meeting Document : CCAMLR-XXVII/BG/27 : Auteur(s): Submitted by ASOC

3. Fatty acid signature analysis from the milk of Antarctic fur seals and southern elephant seals from South Georgia: implications for diet determination

   Abstract:  Fatty acid signature analysis (FASA) makes use of specific fatty acids, as well as ... entire profiles, to study dietary relationships at different trophic levels. Previously, FASA has been ... misleading. This study examined fatty acid profiles in milk from two species of pinniped from the Southern ... elephant seals (Mirounga leonina) in 1988 (n=53) at South Georgia. Lipids were extracted and fatty acid ...

   Meeting Document : WG-EMM-99/44 : Auteur(s): D.J. Brown, I.L. Boyd, G.C. Cripps and P.J. Butler (United Kingdom)

4. Monitoring and managing the effects of environmental change on toothfish assessments

   Abstract:  This paper presents a ‘first-step’ proposal for CCAMLR to consider the effects of ... environmental conditions that are maintained over a number of years, which includes the effects of global ... climate change. The effects of environmental variability and change on toothfish population dynamics and ... productivity are largely unknown and are difficult to predict given our current understanding of the Southern ...

   Meeting Document : WG-SAM-18/22 : Auteur(s): M. Pinkerton, A. Dunn, S. Mormede and S. Parker

5. Integrating Climate and Ecosystem Dynamics in the Southern Ocean (ICED) programme: Preliminary report of the ICED–CCAMLR Projections Workshop, 5 to 7 April 2018

   Abstract:  Climate change will alter the structure and functioning of Southern Ocean ecosystems ... and affect the ecosystem services they provide. The impacts of climate change will require development ... of conservation and management strategies that anticipate and adapt to potential changes in krill ... in the Southern Ocean (ICED) programme and CCAMLR brought together a range of ecologists, physical ...

   Meeting Document : WG-EMM-18/09 : Auteur(s): E.J. Murphy, N.M. Johnston, S.P. Corney and K. Reid

6. MODELING PREDATION BY TRANSIENT LEOPARD SEALS FOR AN ECOSYSTEM-BASED MANAGEMENT OF SOUTHERN OCEAN FISHERIES

   leopard seals on a community of mesopredators (seals and penguins) and their prey at South Georgia, and ... Abstract:  Correctly quantifying the impacts of rare apex marine predators is essential to ... prey vulnerability. We combined these uncertainties to evaluate the predatory impact of transient ... -selective predation and prey vulnerability. A population of 104 (90–125) leopard seals, of which 64%were ...

   Meeting Document : WG-EMM-09/P08 : Auteur(s): J. Forcada, D. Malone, J.A. Royle and I.J. Staniland

7. Scientific requirements for an orderly development of the krill fishery

   Abstract:  At CCAMLR XXV Australia presented the results of the BROKE-West acoustic krill biomass ... precautionary catch limit for krill in Statistical Division 58.4.2 of 1.49 million tonnes (up from 450 000 ... of other elements in the conservation measure to facilitate the orderly and precautionary development ... of the fishery. The aim of this paper, which Australia committed to present to this year’s WG-EMM, is ...

   Meeting Document : WG-EMM-07/23 : Auteur(s): A. Constable, G. Slocum and S. Nicol (Australia)

8. Standardised CPUE analysis of the Antarctic toothfish fishery in CCAMLR Subarea 88.1 from 1988/89 to 2003/04

   of the residuals at either end for the lognormal GLM models, and at the lower end for the fixed ... to 2004, in Subareas 88.1 and 88.2. A preliminary standardised analysis of toothfish CPUE (catch (kg ... addition of data from the 2004 season using data sets based on all vessels and the two main New Zealand ... using mixed-effect models following Candy (2003). The variables entering each of the three models were ...

   Meeting Document : WG-FSA-04/25 : Auteur(s): N.L. Phillips, R.G. Blackwell and S.M. Hanchet (New Zealand)

9. Progress towards an assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 882C–H for the years 2002/03 to 2017/18 using a two-area model

   88.2C–G) comprising a mix of large mature fish and small immature fish. Two-area stock assessment models ... collect mark-recapture data in the South to inform the estimation of biomass in the South. Simulation work ... models including data from four years of recapture data from the South. The assessment models were fit to ... the proportions-at-age in the catch, and the mark-recapture data from the two areas. The results ...

   Meeting Document : WG-FSA-18/37 : Auteur(s): S. Mormede and S. Parker

10. Early announcement of the Third International Krill Symposium

    Krill that will be held from the 12-16 June 2017 at the University of St Andrews, Scotland. Author(s ... Abstract:  This paper provides an early announcement  of the Third International Symposium on ... ):  CCAMLR Secretariat Title:  Early announcement of the Third International Krill Symposium Approval ...

    Meeting Document : SC-CAMLR-XXXIV/BG/30 : Auteur(s): CCAMLR Secretariat

Pages