Résultats de la recherche

1. Krill distribution pattern due to water structure and dynamics near the South Sandwich Islands in January–February 2000 (Krill Synoptic Survey 2000)

   are transported to South from East of archipelago, and may be mixed with krill of the 1st group. It is ... very probable that krill concentrated in stable eddies to East of archipelago may be kept there for a ...

   Meeting Document : WG-EMM-00/33 : Auteur(s): V. Sushin, P. Chernyshkov, V. Shnar, F. Litvinov and K. Shulgovskiy (Russia)

2. Variability in krill length distribution in 48.1 derived from data collected by scientific observers

   generalised additive mixed models (GAMM) to evaluate the spatial and temporal patterns of length in Antarctic ... . Median krill length showed a complex pattern and varied significantly with fishing location, fishing ... Subarea 48.1 needs to be modified in order to gain a comprehensive understanding of the temporal and ... longer term. Krill length measurements should also be conducted on all vessels in every fishing season to ...

   Meeting Document : WG-EMM-15/16 : Auteur(s): P. Ziegler, S. Kawaguchi D. Welsford and A. Constable (Australia)

3. e-sc-38-a6.pdf

   ... pleasure to return to the same venue for a meeting that would be discussing the results of a large-scale ... used a boundary that coincided with the easternmost transect in the Scotia Sea stratum and this caused ... 62.6 million tonnes with a coefficient of variation (CV) of 13%. 2.5 The Subgroup noted that the Fu ... enabled the data from all vessels to be used with the swarms-based method. 2.24 The Subgroup noted application/pdf attached to:SG-ASAM-2019

   Meeting Report : SG-ASAM-2019

4. Biology, distribution and abundance of Antarctic krill (Euphausia superba) and by-catch

   was observed to be 1:l.17 though it differs from swarm to swarm. The analysis showed that 47% of ... 'S to 61°13'S and long.30°02'E to 40°05'E. These were analysed onboard FORV Sagar ... trawl. The length frequency analysis indicated a bimodel distribution with 19-20 mm and 53-54mm as the ... krills with high intensively feeding population and 25% with moderate feeding population which indicate ...

   Meeting Document : WG-EMM-98/37 : Auteur(s): A. Anrose, Z. Klusek, M.K.R. Nair and M. R. Bhoopendranath (India)

5. e-sc-xi-a4.pdf

   ... . This suggests that it may be very difficult to predict where a body of water (with or without krill ... although the general feeling was that a mixed model would probably be most appropriate. 4.27 It ... that further analyses of the acoustic data together with the target net-haul data should be done ... that two were currently fishing. The 1991/92 catch was estimated to be similar to the 1990/91 catch application/pdf attached to:WG-KRILL-92

   Meeting Report : WG-KRILL-92

6. Size and stage composition of age class 0 Antarctic krill (Euphausia superba) in the ice-water interface layer during winter/early spring

   unknown. The aim of this study was to improve the understanding of the krill's interaction with the ... 's energy demand and swimming capacity increase with size and age. The degree of sea ice ... interface (0-2 m) and comparing the size and developmental stage composition of krill with the pelagic ... population (0-500 m). Results show that the population in the Northern Weddell Sea consisted mainly of krill ...

   Meeting Document : WG-EMM-16/P16 : Auteur(s): F. Schaafsma, C. David, E. Pakhomov, B. Hunt, B. Lange, H. Flores, J.A. van Franeker

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

   suggested that important factors for the formation of daytime foraging areas may be mainly 1), while those ... during pup-rearing period. It was suggested that important factors may be mainly 4) and 6). In conclusion ... , feeding success may not be necessarily associated with dense aggregation of krill, but with distribution ... of overnight foragers may be primarily 3) and secondarily 6) considering chinstrap penguins may have ...

   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.

8. Estimation of natural mortality using catch-at-age and aged mark-recapture data: a multi-cohort simulation study comparing estimation for a model based on the Baranov equations versus a new mortality equation.

   estimates with that for M. In contrast, when sigmoidally shaped selectivity was simulated, and the ... model with no increase detectable for the BODE model. With these caveats, both models can be used to ... 'fully parametric' BODE model is based on the Baranov ODE while the 'semi-parametric&#039 ... ; constant catch ODE (CCODE) model uses a new total mortality ODE with constant within-year catch per unit ... rate, which must be defined given Sa with respect to the unknown Nt,a. Note that if the fishing period ... the requirement that releases should have adequate time to mix with the untagged population in order ... with that for M. In contrast, when sigmoidally shaped selectivity was simulated, and the functional ... model with no increase detectable for the BODE model. With these caveats, both models can be used to ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 1–27 : Auteur(s): Candy, S.G.

9. Movement and growth of tagged Dissostichus eleginoides around South Georgia and Shag Rocks (Subarea 48.3)

   groundfish surveys and CCAMLR observer trips. This includes about 900 that have been injected with either ... pot vessel in international waters at that latitude in 2001. File:  07marlow-etal.pdf ... strontium chloride or oxytetracycline that places a permanent chemical marker on the otolith indicating the ... experimental pot fishing in 2000 and 2001, and have been at liberty from one to two years. Four fish were ... groundfi sh surveys and CCAMLR observer trips. This includes about 900 that have been injected with ... tagging carried out on a toothfi sh pot vessel in international waters at that latitude in 2001. Résumé ... also from deep water. In 2002, however, an observer noted that there appeared to be no rela- tionship ... . Comparisons of the size and date at release with that at recapture, and age estimates from otoliths, allow ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 101–111 : Auteur(s): Marlow, T.R., D.J. Agnew, M.G. Purves and I. Everson

10. e-sc-xxxv-a06.pdf

    ... decision rules could be advanced by holding a workshop in 2016, perhaps associated with WG-EMM (SC-CAMLR ... operating in a given area, could be a useful way to describe the operation of the fishery that could ... decisions to fish in an area at a particular point in time would be useful in assisting with those studies ... would rest with the vessels’ operator. 2.13 The Working Group agreed that the new online system for application/pdf attached to:WG-EMM-16

    Meeting Report : WG-EMM-16

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