Résultats de la recherche
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On the consequences of differentiating between adult and sub-adult survival rates in the krill-predators model
split of the overall density dependence effect between the first year and following sub-adult years of ... Abstract: The krill-predators model is generalised by splitting post-first-year animals into ... growth rates, thus solving problems of lack of self-sustainability encountered in earlier model analyses ... . This solution brings with it new problems, however, in that two further parameters need to be specified ...
Meeting Document : WG-EMM-95/39 : Auteur(s): Butterworth, D.S., Thomson, R.B.
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An updated descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in Subareas 88.1 and 88.2 up to 2005/06
and 25 recaptured. Tagging rates by area over the past three years have been in the same proportion as ... Abstract: A descriptive analysis of the toothfish tagging programme carried out in Subareas 88.1 ... which were presented in July 2006 at WG-FSA-SAM. In addition, the paper presents release and recapture ... the catch by area. However, recapture rates have tended to be higher in SSRUs 88.2E, 88.1C, and 88.1H ...
Meeting Document : WG-FSA-06/34 : Auteur(s): A. Dunn and S.M. Hanchet (New Zealand)
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Proposal for an experimental crab fishery in Subarea 48.3
beginning of the second fishing season and is a series of three depletion experiments conducted in local ... second fishing season. Phase 3 commences just prior to the close of the second fishing season. In this ... powerful when multiple vessels participate in the fishery, but valuable information can still be obtained ... experimental crab fishery in Subarea 48.3 Approval: Approved ...
Meeting Document : WG-FSA-93/22 : Auteur(s): George Watters (USA)
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Areas of seabed within selected depth ranges in the South-West Atlantic and Antarctic Peninsula regions of the Southern Ocean
Paper Title: Areas of seabed within selected depth ranges in the South-West Atlantic and ... (km2 ) Subdivision N S E W 0-50 50-150 150-250 250-500 )500 Sea Total 62°00' 62°20' 59°30' 60°00 ... ' 2.2 8.7 44.6 44.6 956 957 2 62°00' 62°20' 58°30' 59°30' 91.6 2.9 3.7 1.8 1359 1934 3 62°00' 62°20 ... ' 57°30' 58°30' 27.6 6.4 12 54 1500 1934 4 62°20' 62°40' 57°30' 58°30' 0 0 0 100 1898 1898 5 62°20 ... ' 62°40' 58°30' 59°30' 9.5 2.7 3.2 84.5 1809 1898 6 62°20' 62°40' 59°30' 60°00' 63.3 8.7 9.7 18.4 772 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 49-73 : Auteur(s): Everson, I.
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Longline sink rates on a bottom autoline vessel in New Zealand: draft
vessel F.V. San Aotea in New Zealand. The objective of the project was to determine line sink rate, and ... as would be used in normal fishing operations to test the effectiveness of weighting the longline as ... the middle of an unweighted longline of this design sinks to 10m in a mean time of 63.0 seconds (n ... have quite noticeable effects on line sink rate for 20- 40 m either side of the attached weight. Given ...
Meeting Document : WG-FSA-98/51 : Auteur(s): N.W. McL. Smith (New Zealand)
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Cruise Report – Research Project: Demersal finfish distribution, abundance, and their biological characteristics in Statistical Subareas 48.1 (northern area) and 48.2
48.2 (South Orkney Island). The sampling stations were set in approximately the same geographical ... , 2018, primarily using a Hardbottom Snapper trawl (NET Systems, Inc.), previously used by the US AMLR ... ). As a result of nearing the maximum research catch specified in Subarea 48.1 (95% of authorized ... proposed stations completed (n=13). In Subarea 48.2, we were unable to complete the planned number of ...
Meeting Document : WG-SAM-18/25 : Auteur(s): Delegation of Chile
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Review of CCAMLR activities on monitoring marine debris in the Convention Area
on marine mammals and seabirds in the Convention Area has been reviewed. The CCAMLR Marine Debris ... , reached a peak in the period 1994–1996 at Bird Island and Signy Island has declined thereafter. The level ... of marine debris found in seabird colonies at Bird Island has continually increased, with fishing ... ) entanglement at Bird Island reached a peak in 1993 and showed a decline until 2000 since when there has been a ...
Meeting Document : SC-CAMLR-XXII/BG/25 : Auteur(s): Secretariat
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Interannual variability of standardised index of krill abundance in Area 48 according to CCAMLR fishery statistics database
CPUE in Subareas 48.1-48.3 and SSMUs did not correspond to the dynamics of krill density and biomass ... part of krill biomass rather than the total krill biomass in the area. The high variability and ... krill distribution in Area 48. The long-term fishery management in Area 48 will be required new ... of krill abundance in Area 48 according to CCAMLR fishery statistics database Approval: Approved ...
Meeting Document : WG-EMM-10/17 : Auteur(s): P.S. Gasyukov and S.M. Kasatkina (Russia)
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Exploring age and growth dynamics of a historically overfished Sub-Antarctic fish species: The grey rockcod (Lepidonotothen squamifrons) in the vicinity of Heard Island and McDonald Island
(Lepidonotothen squamifrons) in the vicinity of Heard Island and McDonald Island Microsoft Word File: fsa-15-51 ... , condition, selectivity and age structure. Using otoliths, maximum age estimates have increased by 5 years to ...
Meeting Document : WG-FSA-15/51 : Auteur(s): D. Maschette, D.C. Welsford and C. Gardner (Australia)
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Preliminary assessment of Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a survey in May 2002
of recruitment being increased for some recent years. An assessment of the trend in illegal catches ... Abstract: A survey of Patagonian toothfish, Dissostichus eleginoides, was undertaken in Division ... 58.5.2 in the vicinity of Heard Island in May 2002 to provide the information for an assessment of long ... -term annual yield in the 2002/2003 CCAMLR season and beyond. This paper provides a preliminary ...
Meeting Document : WG-FSA-02/70 : Auteur(s): A.J. Constable, R. Williams and T. Lamb (Australia)