Résultats de la recherche

1. Acoustic and catch data collected by the fleet – relevance for feedback management

   Abstract:  The Norwegian fishing vessels involved in krill fisheries are also used to carry out ... CCAMLR routines for separating krill backscatters from other organisms. The South Orkney fishing grounds ... over the day and night and during the seasons. Diel migration, with krill being distributed close to ... from summer to winter, and krill are generally deeper in May compared to February. The average acoustic ...

   Meeting Document : WG-EMM-15/13 : Auteur(s): O.R. Godø, T. Klevjer and G. Skaret (Norway)

2. Long term variability in the diet and reproductive performance of penguins at Bird Island, South Georgia

   krill Euphausia superba were present in 85 % of all diet samples. Fish were present in 79 % of samples ... frequently recorded species, in 51 % and 33 % of samples respectively. The energy or mass of krill in the ... at the same location. Our results suggest that the availability of krill is a key source of diet ... on pelagic and bentho-pelagic prey), while macaroni penguins are krill specialists (feeding on ...

   Meeting Document : WG-EMM-17/P02 : Auteur(s): C.M. Waluda, S.L. Hill, H.J. Peat and P.N. Trathan

3. Time series of Drake Passage Oscillation Index (DPOI) from 1952 to 2006, Antarctica

   and density of Antarctic krill (Euphausia superba DANA) is important as variability in krill stocks ... krill recruitment and density in the Antarctic Peninsula area with an environmental factor; strength of ... Oscillation Index (DPOI). They found significant correlations between krill recruitment and DPOI. Additionally ...

   Meeting Document : WG-EMM-06/13 : Auteur(s): M. Naganobu and K. Kutsuwada (Japan)

4. Short note: time series of Drake Passage Oscillation Index (DPOI) from 1952 to 2003, Antarctica

   and density of Antarctic krill (Euphausia superba DANA) is important as variability in krill stocks ... krill recruitment and density in the Antarctic Peninsula area with an environmental factor; strength of ... krill recruitment and DPOI. Additionally, we calculated a new time series of DPOI from January 1952 to ...

   Meeting Document : WG-EMM-03/46 : Auteur(s): M. Naganobu and K. Kutsuwada (Japan)

5. Preliminary results of RV Dmitriy Stefanov researches in the Antarctic area of the Atlantic Ocean in April 1992

   krill biomass was estimated in the beginning and at the end of surveys. It amounted to 56.1 and 61.2 ... thous. t respectively. During the rest of the period the hydroacoustic assessment of krill aggregation ... of perimeter. The midwater trawl hauls were made periodically. The average estimates of krill ... were obtained. The balance of krill transport from and into the polygon was calculated. The first two ...

   Meeting Document : WG-CEMP-92/33 : Auteur(s): L.G. Maklygin, V.N. Shnar, A.V. Remeslo, A.P. Malyshko, I.A. Trunov, I.A. Barabanov, V.P. Shopov (Russian Federation) and A.G. Shepelev (Ukraine)

6. The feeding peculiarities of the Antarctic seals in the region of the archipelago of Argentina Islands

   that krill (Euphausia superba) is the main type of food for the major species of seals in region. Krill ... archipelago water area in which diet krill prevails also (about 70 %). Considering that from 5 seals species ... can be used as «species indicators» of krill distribution and quantity in the given region. It is ... working out of the management project for future rational use of krill sea stocks and squids in the given ...

   Meeting Document : WG-EMM-12/P01 : Auteur(s): I. Dykyy

7. By-catch of fishes caught by the fishery vessel Niitaka Maru in the South Georgia area (August to September 2004)

   Abstract:  Scientific observations on fishes incidentally caught during commercial krill fisheries ... the Myctophidae. At least in the net hauls of high krill CPUE (>20t?krill/h), few or no by-catch ... fish was occurred. The hauls of lower krill CPUE (Author(s):  T. Iwami, T. Hayashi, K. Taki and M ...

   Meeting Document : WG-EMM-05/19 : Auteur(s): T. Iwami, T. Hayashi, K. Taki and M. Naganobu (Japan)

8. The diet of Antarctic fur seals, Arctocephalus gazella, at King George Island, during the summer–autumn period

   , krill and fish were the most frequent prey, occurring in an average of 97% and 69% of samples (n=128 ... were krill feeding species suggesting that seals foraged primarily on krill and opportunistically on ... fish species associated with krill swarms. A seasonal change observed in the relative proportions of ...

   Meeting Document : WG-EMM-04/4 : Auteur(s): G.A. Daneri, A.R. Carlini, C.M. Hernandez and A. Harrington (Argentina)

9. Spectra analysis of Drake Passage Oscillation Index (DPOI) from 1952 to 2003, Antarctica

   and density of Antarctic krill (Euphausia superba DANA) is important as variability in krill stocks ... krill recruitment and density with hypothesized environmental factors; strength of westerly winds ... Antarctic Peninsula area during 1982-1998. They found significant correlations between krill recruitment and ...

   Meeting Document : WG-EMM-04/46 : Auteur(s): M. Naganobu and K. Kutsuwada (Japan)

10. Using predators and their prey to characterise the status of the marine ecosystem at South Georgia

    , coupled with data that describe the density of their principal prey, Antarctic krill. Here we explore some ... decisions; (iii) variability in the krill population is evident at different spatial and temporal scales ... , some of which is important for predators, indeed when krill density is low, spatial variability and ... documented relationships between predators and krill density are not apparent, suggesting that correlative ...

    Meeting Document : WG-EMM-16/28 : Auteur(s): P. Trathan, S. Fielding, S. Hill, M. Belchier and J. Forcada

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