Résultats de la recherche

1. Krill (Euphausia superba) distribution in relation to water movement and phytoplankton distribution off the northern South Shetland Islands

   Elephant Island. The main objective of the survey was to investigate the mechanisms responsible for the ... deployed at a level of 30 m from the surface because at this level krill concentrations are most frequently ... food availability factors may be responsible for krill concentration. On a traditional fishing ground ... regarded as the lower level for this time of the season. From mid-February and onwards it was reported that ... levels (0, 10, 20, 30, 40, 50, 75, 100, 125, 150 and 200 m). Chl-a concentration was determined by ... , twelve locations per day were obtained for each buoy with an accuracy higher than several hundred metres ... this region with the yearly catches of 10 000 to 70 000 tonnes for the past eight years. This region ... objective of the survey was to investigate the mechanisms responsible for the concentration of lain and to ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 123–140 : Auteur(s): Ichii, T., H. Ishii and M. Naganobu

2. Preliminary assessment of mackerel icefish (Champsocephalus gunnari) in the vicinity of Heard Island and McDonald Islands (Division 58.5.2), based on a survey in July 2007, using the generalised yield model

   58.5.2 in the vicinity of Heard Island in July 2007 to provide the information for an assessment of short ... for the area of Division 58.5.2 to the west of 79o 20’ E using standard CCAMLR methods. Evidence of ... strong 1+ year class recruiting to the population has led to an increase in the estimated biomass of ... mackerel icefish, and an increase on the recommended catch over the projection. Based on a similar cohort ...

   Meeting Document : WG-FSA-07/47 : Auteur(s): D.C. Welsford (Australia)

3. Mitigation of seabird captures during hauling in CCAMLR longline fisheries

   / Description:  In recent years there has been an increased focus on reducing seabird captures that occur during ... MRAG Ltd 18 Queen Street, London W1J 5PN United Kingdom Abstract In recent years there has been an ... , Australia B. Sullivan BirdLife International Global Seabird Programme Royal Society for the Protection ... aboard they may sustain injuries that compromise their long-term survival. For example, injuries can ... haul should be encouraged. Hence, the need for the development of mitigation measures reducing ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 155–162 : Auteur(s): Reid, E., B. Sullivan and J. Clark

4. Simulation experiments and CCAMLR yield estimates using CASAL

   present an example model for the fictitious fishery on a fictitious species Dissostichus spurious (Everson ... were fitted with an expected percent root mean squared error (%RMSE) of less than 20%. The inclusion of ... Abstract:  This paper describes an approach, using CASAL, to undertake operating model/estimation ... model experiments for Dissostichus spp., and methods for calculating CCAMLR yields using CASAL. We ...

   Meeting Document : WG-FSA-SAM-05/9 : Auteur(s): A. Dunn (New Zealand)

5. New page in the Antarctic krill fishing (Translation from The Fishing Industry of Ukraine, 1–2/2007: 11–14)

   Abstract:  Antarctic krill (Euphausia superba) is one of the largest marine resources of animal ... modern vessels for krill fisheries and processing is foreseen anyway; introduction of new technologies on ...

   Meeting Document : SC-CAMLR-XXVI/BG/26 : Auteur(s): Delegation of Ukraine

6. Results from the reduced groundfish survey conducted in CCAMLR Subarea 48.3 in January 2012

   between the 26-28th January 2012. This survey was not intended to be a full biomass survey so only 20 ... three size cohorts of fish identified including evidence of a new cohort of 2+ age fish (29-39cm). Catch ...

   Meeting Document : WG-FSA-12/37 : Auteur(s): J. Brown, S. Gregory, A. Stanworth, V. Carretero, G. Baker and M. Belchier (United Kingdom)

7. Diet and trophic niche of Macrourus spp. (Gadiformes, Macrouridae) in the Ross Sea region of the Southern Ocean

   carnivorous. Other important prey were copepods (especially for fish with total length less than 30 cm), krill ... fish (especially for fish less than 30 cm), whereas sex, fatness and bottom depth were not significant ... (including regurgitated stomach contents) from an undifferentiated mixture of 33 specimens of these species ... . Overall, amphipods were the dominant prey found in Macrourus spp. stomachs with an index of relative prey ...

   Meeting Document : WG-EMM-12/P03 : Auteur(s): M.H. Pinkerton, J. Forman, D.W. Stevens, S.J. Bury and J. Brown

8. Significant intra-annual variability in krill distribution and abundance at South Georgia revealed by multiple acoustic surveys during 2000/01

   March 2001 (late-season). The surveys were the first in a newly planned five-year series of observations ... designed to complement and extend an existing time series regularly maintained by the British Antarctic ... indices for top level predators to be compared to prey availability at more appropriate time-scales than ... observations from previous years, krill density in the western box in the mid-season survey was less than that ... planned fi ve-year series of observations designed to complement and extend an existing time series ... survey strategy for the new fi ve-year series addresses these temporal shortcomings by including ... - logical and oceanographic datasets), a new series of surveys was planned for the fi ve years 2000/01 to ... . The multiple estimates of krill density will allow reproductive performance indices for top level ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 71–82 : Auteur(s): Brierley, A.S., C. Goss, S.A. Grant, J.L. Watkins, K. Reid, M. Belchier, I. Everson, M.J. Jessop, V. Afanasyev and J. Robst

9. A comparison of acoustic targets at South Georgia and the South Orkney Islands during a season of profound krill scarcity

   density; for example one echo-integration interval contained 104 times the mean krill density. An ... conjunction with appropriate 120 kHz data to calculate krill density estimates for both survey areas. Krill ... with previously published density estimates krill densities in both regions were extremely low (1.7 and ... 10.7 gm-2 for Willis and Coronation Islands respectively). Gross regional differences in pelagic faunal ...

   Meeting Document : WG-EMM-95/75 : Auteur(s): Watkins, J.L., Brierley, A.S.

10. Some characteristics of krill transport in the Scotia Sea based on the Russian survey data

    within SSMU, nor with the total catch from the Scotia Sea for any fishing season during the latest 20 ... that krill transport estimates should be taken into consideration in the scheme for allocating the ... years. It is shown that total krill biomass of 3.392 mln.t. transported by water mass out three SSMUs is ...

    Meeting Document : WG-EMM-05/41 : Auteur(s): S.M. Kasatkina, V.N. Shnar and O.V. Berezhinsky (Russia)

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