Résultats de la recherche

1. Report on seabird by-catch outside the CCAMLR Convention Area recorded in the South African fisheries

   Seabirds to the north of the Convention Area and the request by IMAF, SC-CAMLR XXVII/15 (Para 4.3) to ... impact on these seabirds. A summary is provided of the recorded number of mortalities for each fishery ...

   Meeting Document : WG-IMAF-11/11 : Auteur(s): C. Heineken and P. Mullins (South Africa)

2. Spatial aggregation of harvesting in Subarea 48.1, in particular during the summer and close to the coast

   ecological or CEMP monitoring in the vicinity. We pose a number of questions, answers to which we believe ...

   Meeting Document : WG-EMM-16/17 : Auteur(s): P. Trathan and S. Hill

3. Development of an algorithm designed to assess observer data quality and performance

   observers in their logbooks. A first version of the algorithm was tested on four randomly selected longline ... fishery logbooks. In its current version the algorithm is able to detect and report invalid data formats ... , as well as value inconsistencies through a limited set of logical tests. For each logbook inspected ... , a text report indicating the locations of faulty entries, a set of figures to display length and ...

   Meeting Document : WG-SAM-13/40 : Auteur(s): Secretariat

4. Estimation of the biomass of krill in Prydz Bay during January/February 1991 and February/March 1992 using echo integration

   between 1981 and 1985 (Higginbottom et al. 1988). The biomass of krill in 3.5 milion km2 of the Prydz Bay ... species other than Euphausia superba in the survey areas (Williams et al. 1983; Ikeda et al. 1984,1986 ... ; Hosie et al. 1988) could not be determined. Author(s):  I. Higginbottom and T. Pauly (Australia) Title ... break was in general not a region of relatively high krill abundance. The mean surface density of krill ...

   Meeting Document : WG-KRILL-92/23 : Auteur(s): I. Higginbottom and T. Pauly (Australia)

5. Light levels experienced by foraging Antarctic fur seals, Arctocephalus gazella

   light levels experienced by a diving marine mammal. TDRs were deployed on 10 female Antarctic fur seals ... summer. Depth and light measurements were made during 11 foraging trips which lasted on average (± SE ... ) 7.1 ± 0.7 d. A total of 25657 dives were recorded with a mean dive depth and duration of 18.0 ± 3.6 m ... with depth did not follow a simple exponential decrease as recorded in clear oceanic waters. TDRs ...

   Meeting Document : WG-EMM-99/28 : Auteur(s): D.J. McCafferty, I.L. Boyd and T.R. Walker (UnitedKingdom)

6. INDICATIVE ESTIMATES OF BIOMASS AND YIELD OF WHITSON’S GRENADIER (M. WHITSONI) ON THE CONTINENTAL SLOPE OF THE ROSS SEA IN SUBAREAS 88.1 AND 88.2

   in 2002/03 (CCAMLR-XXI, para 11.53). The bycatch limit for macrourids in Division 58.5.2 had in turn ... been based on the extrapolation of catch rates from a trawl survey of M. carinatus on Banzare Bank. Two ... represented only 25% of the continental slope of the Ross Sea, the data could not be used to calculate a ... macrourid CPUE from the fishery. The uncertainty of the extrapolated biomass was estimated through a ...

   Meeting Document : WG-FSA-08/32 : Auteur(s): S.M. Hanchet, D. Fu and A. Dunn (New Zealand)

7. Penguin demography and winter distributions in the Antarctic Peninsula region

   Peninsula region have increased 4-5°C over the last 50 years (Smith et al. 1996, 1999), affecting the ... ice cover, has profoundly impacted the Antarctic, krill-based food web (Loeb et al. 1997, Smith et al ... present a conceptual model linking increasing temperatures and decreasing sea ice cover in the Antarctic ...

   Meeting Document : WG-EMM-01/32 : Auteur(s): W. Trivelpiece and S. Trivelpiece (USA)

8. The CAML/SCAR-MarBIN Biogeographic Atlas of the Southern Ocean

   ) south of 40°S. The hard copy version in large format will be extended by a dynamic online version on the ... Information Network (www.scarmarbin.be), a new initiative, the multi-authored “Biogeographic Atlas of the ... contributors under the aegis of SCAR, will constitute a major scientific output of CAML and SCAR-MarBIN. It ... will take the form of a collection of maps and synthetic texts presenting the key biogeographic ...

   Meeting Document : CCAMLR-XXX/BG/11 : Auteur(s): Submitted by SCAR

9. Diagnostic plots of stock assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region for the years 1997–98 to 2014–15

   their main diagnostics are described in Mormede et al. (2015). The CASAL files for models R1 and R2 were ... in Mormede et al (2015) including process error weightings and the MPD objective function components ... provided to the CCAMLR Secretariat as a zip file. In this paper we present the results for first model R1 ... . Author(s):  S. Mormede, A. Dunn and S.M. Hanchet (New Zealand) Title:  Diagnostic plots of stock ...

   Meeting Document : WG-FSA-15/39 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)

10. Reconciling theoretical versus empirical target strengths of krill; effects of phase variability on the distorted wave Born approximation

    , Euphausia superba, versus incidence angle (?) [McGehee et. al, 1998, Deep Sea Res. Pt2, 45(7)1273-1294 ... krill TS measurements in McGehee et al. (1998). Thus, by accounting for phase-variability in the ... Abstract:  A model was recently proposed to predict the target strengths (TS) of Antarctic krill ... scattering from elements of a discretized bent cylinder. It was empirically validated at 120 kHz near ...

    Meeting Document : WG-EMM-02/50 : Auteur(s): D.A. Demer and S.G. Conti (USA)

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