Résultats de la recherche

1. A synoptic review of energetic requirements of southern ocean krill predators

   requirements of krill predators that may be in the most direct competition with the krill fishery. These krill ... fur (Arctocephalus gazella) seals. Basal, active, and. reproductive energy ' requirements are ... compiled for each species. Estimates' of the amount of krill needed. to sustain individuals and/or ...

   Meeting Document : WG-EMM-96/19 : Auteur(s): Stansfield, A.M.

2. 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 ... revealed that the black spots were melanized nodules that were composed of hemocytes surrounding either ... of the krill that had melanized nodules. These parasites were directly surrounded by the large ... heteromorphic cells. Histological observations suggested that these heteromorphic cells were attacking the ...

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

3. Exploration of CPUE standardisation variances in the Ross Sea (Subareas 88.1 and 88.2A South of 70°s) Antarctic toothfish (Dissostichus mawsoni) exploratory longline fishery

   effort should be used for catch rates in mixed longline fisheries, and (2) how do different parameters ... size. This confirms previous advice that research fishing is conducted with a high level of spatial and ... (hooks/cluster) with Generalised Linear Models (GLMs). The model with total hook numbers was preferred ... with the lowest Akaike’s Information Criterion (AIC), however standardised catch rates over the fishing ...

   Meeting Document : WG-SAM-2019/25 : Auteur(s): D. Maschette, S. Wotherspoon and P. Ziegler

4. A single-area stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea for the 2004/05 season

   parameters. However, multi-chain comparisons and sensitivities with fixed selectivity ogives suggested that ... yields, using the CCAMLR decision rules, were estimated to be 2964 t although continued catch at current ... levels (3207 t) would not be expected to breach the 50%B0 threshold until 2029. Author(s):  A. Dunn, D.J ... ). A range of model sensitivities were examined, with the base case assuming the Ross Sea fishery as a ...

   Meeting Document : WG-FSA-05/33 : Auteur(s): A. Dunn, D.J. Gilbert and S.M. Hanchet (New Zealand)

5. Network characterisation of the food-web of the Ross Sea, Antarctica

   trophic level; (2) mixed trophic impact; and (3) ecological importance. Note that the analysis considers ... not resolved by this analysis. The Ross Sea food-web is a partially inverted biomass pyramid with a ... the total living biomass in the Ross Sea (bacteria excluded). The six groups with the highest ‘indices ... importance in the Ross Sea food-web. These eight groups should be the priorities for monitoring for large ...

   Meeting Document : WG-EMM-12/53 : Auteur(s): M.H. Pinkerton and J.M. Bradford-Grieve (New Zealand)

6. Report on an Antarctic cetacean survey on board a Chilean fishing vessel in February 2016

   , 35 sightings of mainly mixed-species groups and feeding aggregations of large whales were observed ... survey show that the areas around the Southern Orkneys and Elephant Island are important feeding grounds ... for fin-, humpback and, to a lesser extent, sei whales. If any fishing effort is to be undertaken in ... these areas, no disturbance within these comparably small areas of high animal density should be ...

   Meeting Document : WG-FSA-16/19 : Auteur(s): S. Viquerat, H. Herr, K.-H. Kock and P. Arana

7. Aide memoire: Balleny Islands

   . New Zealand hopes that through a fully consultative process with CCAMLR partners, a new proposal which ... of protection. New Zealand's past proposals have not yet achieved consensus support and the ... represents the best method of protecting the important values of the Balleny Islands would be developed for ... marine areas under both the CCAMLR and the ATCM's Environmental Protocol regimes. Author(s ...

   Meeting Document : WG-EMM-01/71 : Auteur(s): Delegation of New Zealand

8. Infectious diseases and parasites of Antarctic and sub Antarctic penguins and the implications for CEMP

   monitored we suggest that health of monitored species also should be considered in CEMP. Author(s):  J ... . Haematological and biochemical values for healthy penguins which may be of use in diagnosis are presented also ...

   Meeting Document : WG-CEMP-94/34 : Auteur(s): J. Clarke and K. Kerry (Australia)

9. An assessment of toothfish in Subarea 48.3 using CASAL

   45,893 t, and the spawning stock biomass was estimated to be 120,360 t, around 67% of its unexploited ... 49,943 t, and the spawning stock biomass was estimated to be 100657 t, some 64% of its unexploited level ... , with an extensive range of sensitivity tests and examination of diagnostics. A baseline assessment ... fleets with different selectivities, and fitted to catch length frequencies, tag recapture data, CPUE ...

   Meeting Document : WG-FSA-05/16 : Auteur(s): R.M. Hillary, G.P. Kirkwood and D.J. Agnew (United Kingdom)

10. Proposal for a skate tagging program in the Ross Sea region to estimate the local biomass trend for starry skates (Amblyraja georgiana)

    hence we recommend that a 2-year skate tagging programme in the Ross Sea region be used to provide ... /17 fishing season, noting that on average 89% of skates by weight are released alive (45 of 51 t ... annually). Catch data show that most of the skate catch consists of Amblyraja georgiana and that this ... species is the only one with enough mark-recapture data to examine movement patterns and estimate local ...

    Meeting Document : WG-FSA-18/38 Rev. 1 : Auteur(s): S. Parker and M. Francis

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