Résultats de la recherche

1. An evaluation of reduced target strength estimates reported for krill (Euphausia superba)

   ) density dependent effects; and 3) compounding of diel effects. The possible bias in the calculations of ... target strength due to these weaknesses indicate an estimated 3-5 dB error due to unaccounted for ... directivity effects as a result of items under category 1; an estimated 2-3 dB bias due to systematic errors ... under category 2; and an estimated 3-4 db error due to category 3. Thus there is reason to believe that ...

   Meeting Document : WG-KRILL-90/13 : Auteur(s): M.C. Macaulay (USA)

2. Estimation of the incidental capture of seabird species in commercial fisheries in New Zealand waters, 2000/01

   ling autoline sets caught seabirds, compared with 6% of observed chartered tuna longline sets caught ... varied from 0.218 seabirds per 1000 hooks (s.e. = 0.033) in LIN 6 to 0.004 (s.e. = 0.004) in LIN 2; for ... estimates are provided for the main fisheries: 16 seabirds (c.v. = 6%) were caught during chartered tuna ...

   Meeting Document : WG-FSA-04/55 : Auteur(s): S.J. Baird (New Zealand)

3. CCAMLR ecosystem monitoring program standard methods: determination of sex of Adelie penguins

   when more than 90% of the incubating birds were male and a 6- or 7-day period when more than 90% of the ... identified with 91∙8–98∙6% accuracy within 15–21 days after the first sighting of an egg. The method provides ...

   Meeting Document : WG-CEMP-94/08 : Auteur(s): K.R. Kerry, J.R. Clarke and G.D. Else (Australia)

4. Demersal longlines with integrated weight: a preliminary assessment of sink rates, fish catch success and operational effects

   attached weights (6 kg/49 m) in the New Zealand ling fishery. Longlines with 0 g/m (unweighted), 25 g/m, 50 ... sank instantly, reaching 1 m depth in 6-9 s whereas unweighted lines took >20 s to reach this depth ...

   Meeting Document : WG-FSA-02/22 : Auteur(s): G. Robertson (Australia), M. McNeill, B. King (New Zealand) and R. Kristensen (Norway)

5. Krill distribution and biomass variability within Subarea 48.3 in June 1991

   in an 8 x 6 mile micropolygon, where eight consecutive hydroacoustic surveys were carried out. Krill ... 1 554 units. Krill biomass in the polygon varied spasmodically within the range from 1 091 to 6 085 ...

   Meeting Document : WG-KRILL-93/35 : Auteur(s): S.M. Kasatkina, E.N. Tymokhin, P.P. Fedulov and K.E. Shulgovskiy (Russia)

6. A RISK ASSESSMENT TO ADVISE ON STRATEGIES FOR SUBDIVIDING A PRECAUTIONARY CATCH LIMIT AMONG SMALL-SCALE MANAGEMENT UNITS DURING STAGE 1 OF THE STAGED DEVELOPMENT OF THE KRILL FISHERY IN SUBAREAS 48.1, 48.2, AND 48.3.

   selecting among Fishing Options 2, 3, and 4 are tradeoffs between the risks to predator populations and ... of Fishing Option 3 will also require substantive fishery operations in pelagic SSMUs, but, if krill ... (i.e., 0.15 x γ), implementation of Fishing Option 3 is unlikely to reduce predator populations to 75 ... Fishing Option 3 than for Fishing Option 2 because the former option requires slightly more fishing in ...

   Meeting Document : WG-EMM-08/30 : Auteur(s): G.M. Watters, J.T. Hinke (USA) and S. Hill (United Kingdom)

7. Analysis of sea-ice concentration of 48.6_4 and _5 with remote sensing data during the latest four seasons

   byUniversity Bremen. Figure 1 shows the overall of the topography and ice condition with Shinsei maru No. 3 ... completed almost all the catch limit allocated. Figure 3 focused the sea-ice dynamics in and around block ... block except for the southern part near the continent in February 1st (Figure 3). Shinsei maru No. 3 had ... the lowest level in March in 2016 (red line in the lower figure). As Figures 3 and 4, the sea-ice ...

   Meeting Document : WG-SAM-16/42 Rev. 1 : Auteur(s): T. Namba, K. Taki and T. Ichii

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

   and 49.5 ± 6.9 s, respectively. Depending on time of day, fur seals experienced between 6 and 57 % of ... to minimum starlight (10-6 lux) at night and during deep daytime dives. The change in il1uminance ...

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

9. Marine debris surveys at Bird Island, South Georgia 1990 to 1995

   longline fishery for Patagonian toothfish Dissostichus eleginoides around South Georgia. Packaging bands (6 ... %) and polythene bags (6 %) were the next commonest items. There was a substantial increase in the number ...

   Meeting Document : CCAMLR-XV/BG/05 : Auteur(s): Delegation of the United Kingdom

10. Atlas of coastal sea ice in eastern Antarctica

    1995/6 and 1997/98. Season 1995/6 was one of low breeding success and when the sea ice remained at the ...

    Meeting Document : WG-EMM-02/54 : Auteur(s): K. Michael, K. Hill, K. Kerry and H. Brolsma (Australia)

Pages