Résultats de la recherche

1. Development of an underwater setting method for surface longliners, to minimise the accidental capture of seabirds

   Abstract:  In response to the Department of Conservation's concerns for the accidental ... placement devices were evaluated. Two methods being selected for further in depth evaluation. The first ... reaches its determined depth. At this point in time the carry over action of the capsule and retrieval ...

   Meeting Document : WG-FSA-97/54 : Auteur(s): Bentley, N., Smith, M.

2. Pre-spawning and spawning biology of the Patagonian toothfish, Dissostichus eleginoides, around South Georgia (Subarea 48.3)

   reproductive part of the Dissostichus eleginoides population in Subarea 48.3. Analysis and synthesis of these ... patterns of D. eleginoides sampled from longline catches. Some differences in food composition in relation ...

   Meeting Document : WG-FSA-92/13 : Auteur(s): I.N. Konforkin and A.N. Kozlov (VNIRO, Moscow, Russia)

3. Fishes incidentally caught by Japanese Antarctic krill commercial fishery to the north of the South Shetland Islands during the 1994/95 austral summer

   , were found in 20 trawl catches. Juvenile or adult notothenioid fishes were never found in a random ... of by-catch fishes was higher in krill hauls with the low catch rates. Author(s):  Iwami, T. Title ...

   Meeting Document : WG-EMM-95/56 : Auteur(s): Iwami, T.

4. The diet of the blue-eyed shag Phalacrocorax atriceps during summer at Nelson Island, Antarctica: temporal variations and consumption rates

   coriiceps, predominated in frequency (56%) and in mass (55%), whereas Harpagifer antarcticus was the most ... the adults averaged 1.7 trips day-1 during incubation, 2.0 trips day-1 in early rearing and 4.6 trips ...

   Meeting Document : WG-EMM-95/82 : Auteur(s): Silva, P., Barrera-Oro, E., Casaux, R., Favero, M., Coria, N.

5. Geographic aspects of Euphausia superba resources exploitation

   . Concentration of E.superba of the same order of biomass volume as in the Scotia Sea were observed at several ... E.superba show increased spatial irregularity. Development of fisheries activity in these new for catching ... as related changeability of aggregation location in the open-ocean environment. Exploitation of ...

   Meeting Document : WG-KRILL-93/04 : Auteur(s): R.R. Makarov (Russia)

6. Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey

   considered. Fishing in summer (near-coincident with the period of krill growth), or throughout the year ... , allows a greater catch (for the same risk of depletion) than in the case of fishing in winter. Author(s ...

   Meeting Document : WG-KRILL-92/04 : Auteur(s): D.S. Butterworth, G.R. Gluckman and S. Chalis (South Africa)

7. Geographic aspects of Euphausia superba resources exploitation

   ° Concentration of E.superba of the same order of biomass volume as in the Scotia Sea were observed at several ... E.superba show increased spatial irregularity. Development of fisheries activity in these new for catching ... as related changeability of aggregation location in the open-ocean environment. Exploitation of ...

   Meeting Document : WG-CEMP-92/31 : Auteur(s): R.R. Makarov (Russian Federation)

8. Choice of a procedure for deciding closure of CCAMLR fisheries: a simulation model

   Secretariat of CCAMLR, as described in Conservation Measures, have been difficult to implement because of the ... variation in catch rates shown by the fisheries. Non-fluctuating random and fluctuating random catch ... under a variety of circumstances. The Model described in the existing Conservation Measures is shown to ...

   Meeting Document : CCAMLR-X/BG/09 : Auteur(s): Secretariat

9. AMLR Hydroacoustic Survey System Description of Methods, A Case Study

   Abstract:  The AMLR hydroacoustic system used for surveys in the vicinity of Elephant Island and ... block estimates and the total biomass in the surveyed area. The process depends on: 1) a calibrated ... ensures data integrity and repeatability of analytic results. The variability inherent in the distribution ...

   Meeting Document : WG-KRILL-89/10 : Auteur(s): M.C. Macaulay (USA)

10. Analysis of observer coverage for Japanese krill fishing vessels

    1995 to 2008. Based on the multistage sampling theory, we derived the equation of variance in four ... stage cluster sampling units (i.e., vessel, year, subarea, and haul), and examined changes in the ... coefficients of variation (CV) caused by the shifts in coverage at different sampling stages. Vessel coverage ...

    Meeting Document : WG-SAM-10/17 : Auteur(s): T. Okuda, M. Kiyota and H. Okamura (Japan)

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