Résultats de la recherche

1. Results of an acoustic investigation of Antarctic krill, Euphausia superba, biomass-density in the Elephant Island area in January/February 2001

   to Feb 4th 2001 are presented. Data were collected with a SIMRAD EK60 Scientific Echo Sounder ... stratum. The estimated average agrees well with estimates made by the U.S. AMLR program from two surveys ... (15.6 g/m2 and 12.8 g/m2 respectively) performed the same field season in partly the same area, and with ...

   Meeting Document : WG-EMM-02/30 : Auteur(s): M.A. Thomasson (Sweden), J.H. Emery (USA), J. Rademan (South Africa), R.P. Hewitt (USA) and B.I. Bergström (Sweden)

2. PREDICTING THE VULNERABILITY OF BENTHIC, HABITAT-FORMING ORGANISMS TO DISTURBANCE USING LIFE-HISTORY CHARACTERISTICS

   revealed that there were strong, consistent relationships among life-history characteristics and with ... known to occur in the Southern Ocean. These data show significant relationships between growth, age with ... Ocean. Furthermore, many deep or cold-water species brood their offspring, a trait correlated with low ...

   Meeting Document : WG-EMM-09/35 : Auteur(s): K. Martin-Smith (Australia)

3. Temporal variability in Antarctic marine ecosystems: periodic fluctuations in the phocid seals

   and with the Southern Oscillation Index (SOI). All of the seal data sets showed evidence of cyclical ... behavior when demodulated at a period of 5 yr. The Weddell seals were generally in phase with the SOI since ... the Weddell series began in 1970. The leopard seals and SOI were in phase in the 1960’s, but ... was more complicated, but similarities with the other data sets also were seen. If these tentative ...

   Meeting Document : WG-CEMP-91/13 : Auteur(s): J.W. Testa, G. Oehlert, D.G. Ainley, J.L. Bengtson, D.B. Siniff, R.M. Laws and D. Rounsevell (USA)

4. On the intensity of sampling krill trawl catches

   (e.g. length-with-age). At present, and in the interests of both statistical rigour and the efficiency ... into 2 mm size classes; * The biological implications associated with the detection of specific ... differences in length should be considered along with the need to collect maturity stage information. * For ...

   Meeting Document : WG-KRILL-90/27 : Auteur(s): D.G.M. Miller (South Africa)

5. Research plan for the Spanish exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2: Update of stage 2 (2013/14 season) and preliminary results of stage 1 (2012/13 season) according to WG-SAM advice

   estimation of the biomass of the SSRUs (B SSRU), maximal and minimal, considering areas with high and low ... densities, with a better fit of the regression and lower residuals than the previous analysis.      An ... analysis of relevant sea-ice conditions in the last 11 seasons in these areas along with a summary of the ...

   Meeting Document : WG-FSA-13/15 : Auteur(s): R. Sarralde, L.J López Abellán and S. Barreiro (Spain)

6. Re-analysis of CPUE in both species of toothfish in 48.6 area

   Patagonian toothfish presented a high proportion with sets in which both species are present, and thus, an ... anomalous CPUE.  The same conclusion with previous work arise, the CPUE have little or none information as ... index of abundance and thus, it is highly recommendable to continue with the collection of the data by ...

   Meeting Document : WG-FSA-13/63 : Auteur(s): R. Wiff, J.C. Quiroz (Chile) and R. Scott (United Kingdom)

7. Study on reproductive biology of Champsocephalus gunnari, Chaenocephalus aceratus and Pseudochaenichthys georgianus from South Georgias and Shag Rocks, Dr Eduardo Holmberg survey – May 2013

   totally mature females of three species (with hydrated oocytes). C. gunnari, C. aceratus and P. georgianus ... observed that relative fecundity decreased with increasing length and weight of the females. Diameter and ... dry weight of C.gunnari ’s hydrated oocytes showed a positive relationship with female size. Author(s ...

   Meeting Document : WG-FSA-13/59 : Auteur(s): M.I. Militelli, G.J. Macchi and K.A. Rodrigues (Argentina)

8. A false positive in the CCAMLR tag overlap statistic arising from low catch volume and consequent limited sample size

   of fish tagged did not match closely with that of the catch resulting in a the overlap statistic, as ... where the noise associated with such low numbers of fish triggers false positives in the tag statistic ... exploratory fisheries and small catches with a consequent low total tag number increase in frequency. Author(s ...

   Meeting Document : WG-FSA-14/31 : Auteur(s): C. Darby (United Kingdom)

9. The Future of Antarctica Forum: distinguishing climate change impacts from other impacts in the Antarctic Peninsula

   of its Antarctic Site Inventory project’s 22-year history monitoring this region, to ‘ distinguish ... challenge to bring together and analyse relevant data, with assistance as possible from the Forum ... participants, and with encouragement to keep the ATCM, CCAMLR, and all stakeholders informed as this effort ... proceeds. In particular, with assistance from IAATO and the Association of Responsible Krill Fishers (ARK ...

   Meeting Document : CCAMLR-XXXV/BG/14 : Auteur(s): Submitted by Oceanites, Inc.

10. Identification of marine Important Bird and Biodiversity Areas for penguins in South Shetland and South Orkney Islands: a comparison of two different approaches

    marine IBA protocol with the results of habitat models, developed with data collected at other colonies ... can be used with a high degree of confidence to identify marine IBAs for penguins; • The results ...

    Meeting Document : WG-EMM-17/35 : Auteur(s): M.P. Dias, A.P.B. Carneiro, V. Warwick-Evans, C. Harris, K. Lorenz, P. Trathan

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