Résultats de la recherche

1. A single-area stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in SSRU 88.2E for the 2004/05 season

   model for Antarctic toothfish (Dissostichus mawsoni) in SSRU 88.2E. The model structure was assumed to ... be the same as used for the Antarctic toothfish in the Ross Sea (see Dunn et al. 2005b), except that ... some evidence of non-convergence, particular in the declining right-hand limb of the fishing ... maturity ogive, there was a significant biomass of mature, but ‘invulnerable’ fish in the projection period ...

   Meeting Document : WG-FSA-05/31 : Auteur(s): A. Dunn, D.J. Gilbert and S.M. Hanchet (New Zealand)

2. Review of CCAMLR activities on monitoring marine debris in the Convention Area

   on marine mammals and seabirds in the Convention Area has been reviewed. The CCAMLR Marine Debris ... Islands). Marine debris, principally packaging items, fishing gear, and wood items, reached a peak in the ... debris found in grey-headed albatross and wandering albatross colonies at Bird Island in 2004 has ... Bird Island reached a peak in 1993 and has showed a general decline since, with the lowest levels on ...

   Meeting Document : SC-CAMLR-XXIII/BG/11 : Auteur(s): Secretariat

3. Defining fishing grounds in the Scotia Sea

   Abstract:  This paper provides a method for delineating krill fishing grounds in Area 48 based on ... commercial catch data for the region held in the CCAMLR database. It also summarises available information on ... is judged by that location providing a reasonable catch in a given year and that the catch remains ... catch, such that locations would generally only be considered for inclusion in a fishing ground if their ...

   Meeting Document : WG-EMM-02/40 Rev. 1 : Auteur(s): I.R. Ball and A.J. Constable (Australia), S. Kawaguchi (Japan) and D. Ramm (CCAMLR Secretariat)

4. A hierarchical classification of benthic biodiversity and assessment of protected areas in the Southern Ocean

   protected areas (MPAs) in the Southern Ocean to help provide for the long-term conservation of marine ... biodiversity in the region. Critical to this undertaking is understanding the distribution of benthic ... assemblages. Our aim is to identify the areas where benthic marine assemblages are likely to differ in the ... classified according to the geomorphic features found within the bathomes in each ecoregion.  We identified ...

   Meeting Document : WS-MPA-11/23 : Auteur(s): L.L. Douglass, J. Turner, H.S. Grantham, S. Kaiser, R. Nicoll, A. Post, A. Brandt and D. Beaver (WWF–ASOC)

5. LETTER TO DRS REID, WATTERS AND JONES IN REGARD TO “DISAPPEARANCE OF TOOTHFISH FROM MCMURDO SOUND”

   needs to be addressed without significant delay. Together we have worked in the Ross Sea and vicinity ... for more than 300 person-years, and in the process have gained considerable knowledge about the Ross ... in the EMM submitted document, “Decline of the Antarctic toothfish and its predators in McMurdo Sound ... unequaled climate records and responses of the biota to climate change are in jeopardy of being compromised ...

   Meeting Document : WG-EMM-08/20 : Auteur(s): D.G. Ainley, S.F. Ackley, K. Arrigo (USA), G. Ballard (New Zealand), J.P. Barry (USA), L. Blight (Canada), P. Broady, B. Davison (New Zealand), P. Dayton, A.L. DeVries, K. Dugger, J.T. Eastman, S.D. Emslie (USA), C. Evans (New Zealand), R.A. Garrott, G. Hofmann, S. Kim, G. Kooyman, S.S. Jacobs (USA), G. Lauriano (Italy), A. Lescroël (France), D.R. MacAyeal (USA), M. Massaro (New Zealand), S. Olmastroni (Italy), P.J. Ponganis (USA), E. Robinson (New Zealand), D.B. Siniff, W.O. Smith (USA), I. Sti

6. Towards an assessment of the stock of the ommastrephid squid Martialia hyadesi in the Scotia Sea: data from predators

   exploitation of the sub-Antarctic ommastrephid species Martialia hyadesi will be attempted in the future. This ... seal and is probably taken in significant quantities by several other Southern Ocean vertebrate ... predators. Estimated annual consumption by known predators in the Scotia Sea is 326098- 330642 tonnes, 94 ... and its significant role in the diet of some vertebrate predators the species is clearly important ...

   Meeting Document : SC-CAMLR-IX/BG/13 : Auteur(s): Delegation of United Kingdom

7. Analysis of seamount-specific catch and tagging data in the Amundsen Sea, SSRU 88.2H

   features in SSRU 88.2H were analysed to compare multiple raw indicators of biomass trends in isolated local ... liberty for less than 2 years, and that data from the Amundsen Sea slope SSRUs (88.2C–G) are included in ... the stock assessment along with 88.2H. Fishing has occurred on almost every seamount in every year ... , and no evidence for serial depletion or spatial patterns that would produce a current bias in ...

   Meeting Document : WG-SAM-14/27 : Auteur(s): S.J. Parker (New Zealand)

8. Development of a spatially-explicit minimum realistic model for Antarctic toothfish (Dissostichus mawsoni) and its main prey (Macrouridae and Channichthyidae) in the Ross Sea

   predation mortality (M2), in addition to fishing mortality (F) on all three species. The model suggests that ... fishing mortality on both prey species and that icefish is expected to show a larger increase in biomass ... Holling type II function to describe the predatory relationships in the model. We use the model to compare ... of the nature of the interaction. Whilst this model is in a development stage, it provides a useful ...

   Meeting Document : WG-EMM-14/51 : Auteur(s): S. Mormede, M. Pinkerton, A. Dunn, S. Hanchet and S. Parker (New Zealand)

9. Detection of growth zones in the eyestalk of the Antarctic krill Euphausia superba (Dana, 1852) (Euphausiacea)

   Abstract:  No reliable measures of age currently exist in the Antarctic krill, Euphausia superba ... (Dana, 1852). The eyestalks from 51 individuals were dissected, cut in longitudinal sections and studied ... February 2015, and varied between 30 and 53 mm in total body length. Up to six growth zones were identified ... the number of zones and body length. Further knowledge about molting process in the Antarctic krill ...

   Meeting Document : WG-EMM-16/P02 : Auteur(s): B.A. Krafft, M. Kvalsund, G. Søvik, E. Farestveit and A.-L. Agnalt

10. Acoustic monitoring and evaluation of krill in the Antarctic ecosystem Bransfield Strait and around Elephant Island during ANTAR XXI and XXII, aboard RV Humboldt, Peru

    (Euphausia superba) was held on board the BIC Humboldt during scientific campaigns Peru to Antarctica in the ... from the surface to 20 m deep. A wide distribution of krill in the study area, the highest densities ... were recorded in the Bransfield Strait and between Deception Island and Isla Torre (250-1 000 m / mn ... biomass in Elephant Island (4'569,039 t) represents 62.3% of all existing biomass in the study area ...

    Meeting Document : WG-EMM-16/76 : Auteur(s): R. Cornejo, M. Flores and J. Zuzunaga

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