Résultats de la recherche

1. Habitat partitioning in Antarctic krill: spawning hotspots and nursery areas

   whether “hotspots” of egg production and early stage nursery occurred, and secondly whether the available ... slope. This contrasts with the distributions of calyptope and furcilia larvae, which were concentrated ... temperature suggest that krill associate with different habitats over the course of their life cycle. From the ... early to late part of the austral season, juvenile distribution moves from ocean to shelf, opposite in ...

   Meeting Document : WG-EMM-2019/20 : Auteur(s): F. Perry, A. Atkinson, S.F. Sailley, G.A. Tarling, S.L. Hill, C.H. Lucas and D.J. Mayor

2. Krill length and age at maturity

   identical for krill. Comparisons with length at age data show that females mature in the third year of the ... life cycle (age class 2 +), while males reach maturity in the fourth year as age class 3 +. Both sexes ... later at a length between L50 = 43.33 and 43.79 mm. Length at maturity, and length at first spawning are ...

   Meeting Document : WG-KRILL-93/40 : Auteur(s): V. Siegel (Germany) and V. Loeb (USA)

3. Priorités des groupes de travail et des sous-groupes pour les 4 prochaines années

   next 4 years. This is solely a task for WG-EMM but will require close interactions with other groups to ... -FSA does not have to sit for two weeks every year and a shorter meeting in non-assessment years could ... work could be streamlined. In early September the Chair and the Vice Chairs of the Scientific Committee ... , and Conveners of the Working Groups and Subgroup, together with the Secretariat held a tele-conference ...

   Meeting Document : SC-CAMLR-XXXIV/14 : Auteur(s): Conveners of WG-EMM, WG-SAM, WG-FSA and SG-ASAM

4. Evaluation of Antarctic krill biomass and distribution off the South Orkney Islands 2011-2015

   coverage in all years except 2013. The results show that except from the year 2015, krill densities were ... early in the fishing season (January/February), using two different krill fishing vessels as platforms ... . The vessels were equipped with similar Simrad echo sounder systems suitable for quantitative ... estimation as far as practically possible, given that we work with unconventional sets of frequencies for ...

   Meeting Document : WG-EMM-15/54 : Auteur(s): G. Skaret, B.A. Krafft, L. Calise (Norway), J. Watkins (UK), R. Pedersen and O.R. Godø (Norway)

5. The age structure and growth rate of Patagonian toothfish (Dissostichus eleginoides) at South Georgia

   . Evidence for the separation of early year classes is presented along with mean sizes for each age class ... . Age length keys indicate that fish enter the fishery at 7 years and are fully recruited at between 10 ... and 11 years. Author(s):  M. Belchier (United Kingdom) Title:  The age structure and growth rate of ...

   Meeting Document : WG-FSA-04/86 : Auteur(s): M. Belchier (United Kingdom)

6. Biological characteristics of Antarctic fish stocks in the Southern Scotia Arc region

   within one season. Length at sexual maturity and length at first spawning in C. gunnari is one year later ... to 1989/90, with its heydays from 1977/78 to 1981/82. Except for Elephant Island, the state of fish ... final maturation of the gonads takes one year or more whereas in others gonad maturation is completed ... catches in the first four years of the fishery and the possibility to sample these catches extensively ...

   Meeting Document : WG-FSA-99/16 : Auteur(s): K.-H. Kock (Germany), C. Jones (USA) and S. Wilhelms (Germany)

7. An assessment of temporal variability and interrelationships between CEMP parameters collected on Adélie penguins at Béchervaise Island

   the correlation of each parameter with breeding success. Breeding success was measured in terms of 1 ... nest with eggs. We found a low degree of correlation between incubating and brooding nest counts which ... foraging trip duration was correlated negatively to breeding success. Additionally, we examined within ... of their correlation with breeding success. This analysis showed that lower weights of females at the ...

   Meeting Document : WG-EMM-02/46 : Auteur(s): L.M. Emmerson, J. Clarke, K. Kerry and C. Southwell (Australia)

8. Analysis of krill trawling positions north of the South Shetland Islands (Antarctic Peninsula area), 1980/81–1999/2000

   in the early 1980’s, along the shelf slope in the mid- to late 1980’s, and were highly variable, from ... the shelf across to the outer shelf in the early to late 1990’s. Intra-annual variation of trawling ... positions showed a general pattern starting from the outer shelf, and proceeded towards the shelf later in ...

   Meeting Document : WG-EMM-01/35 : Auteur(s): S. Kawaguchi and K. Segawa

9. Breeding numbers and success of Eudyptes penguins at Marion Island, and the influence of arrival of adults

   study colonies for both Macaroni Eudyptes chrysolophus and Eastern Rockhopper E. chrysocome filholi ... significantly correlated with mass of chicks at fledging. For both species, mass on arrival of males was ... significantly correlated with that of females. Although both species had low weights on arrival after the El ... Penguins, over 26 and 22 years respectively, suggesting over-wintering conditions may influence the ...

   Meeting Document : WG-EMM-05/38 : Auteur(s): R.J.M. Crawford, J. Cooper, B.M. Dyer and L.G. Underhill (South Africa)

10. PROPERTIES OF KRILL DISTRIBUTION IN PELAGIC AND COASTAL SSMUs OF THE SOUTH ORKNEY ISLANDS SUBAREA ACCORDING TO THE DATA OF SCIENTIFIC OBSERVATIONS AND FISHERY

    according to CCAMLR 2000 Survey (January-February 2000) are compared with those obtained from the data of ... correspondent fishing ground allocations in the South Orkney Islands area revealed from 1962 to 1997 are ...

    Meeting Document : WG-EMM-08/55 : Auteur(s): S.M. Kasatkina and V.N. Shnar (Russia)

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