Résultats de la recherche

1. Assessment of toothfish in Subarea 48.3, 2006

   the region 3300 – 3600 t would be consistent with CCAMLR decision rules. Author(s):  D.J. Agnew, R ... 48.3. We provide sensitivity runs that include revised maturity and catch weighted proportion at length ... trends and construct a model that uses age-based observations, specifically estimates of catches at age ... derived from otolith examination of a random sample of the catch. 3. All the assessments suggest that the ...

   Meeting Document : WG-FSA-06/53 : Auteur(s): D.J. Agnew, R. Hillary, M. Belchier, J. Clark and J. Pearce (United Kingdom)

2. Preliminary assessment of Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a survey in April–May 2003

   that it may be appropriate to adjust estimates of cohort strength for catchability where possible. The ... estimate for 2004 was 2,680 t. Initial tests of length at age assumptions indicated that using a specified ... length at age vector that did not include growth beyond 15 years had only small effects on projected long ... of the length distribution of the catches suggest that the two gears sample a similar range of sizes ...

   Meeting Document : WG-FSA-03/33 : Auteur(s): A.J. Constable, C.R. Davies, R. Williams and T. Lamb (Australia)

3. Preliminary assessment of mackerel icefish, Champsocephalus gunnari, on the Heard Island Plateau (Division 58.5.2) based on a survey in April–May 2003

   steady yield if possible need to be explored further in the development of a management procedure that ... approximately 20% of the 2002 estimate. This decline in abundance is consistent with the passage of the strong ... the strength of this cohort will not be possible until the May 2004 survey is complete. The estimates ... ) implementations indicated that the GYM version provided slightly higher estimates of short-term yield. These ...

   Meeting Document : WG-FSA-03/32 : Auteur(s): A.J. Constable, C.R. Davies, R. Williams and T. Lamb (Australia)

4. RESOURCES EVALUATION OF ANTARCTIC KRILL EUPHAUSIA SUPERBA DANA USING AREAL TRAWLING AND HYDRO-ACOUSTIC DATA

   . Traditional concepts of observation system concerning the resources of krill should be further developed with ... provided with probability methods and spatial analyses requiring knowledge of statistical distribution ... population densities have shown mixed rules of statistical distribution over its natural habitat. Data ... analyses procedures applied for trawling and hydro-acoustic sampling have to in compliance with the rules ...

   Meeting Document : WG-SAM-08/P01 : Auteur(s): L.A. Kovalchuk (Ukraine)

5. Broadbandwidth total target strength measurements of Antarctic krill (Euphausia superba) from reverberation in a cavity

   , 2001, J. Acoust. Soc. Am. 109(6): 2587:2597]. From 18 February to 9 March 2002, mean total target ... , Antarctica, and aboard R/V Yuzhmorgeologiya. Chirp pulses were sequentially transmitted with an ... -tank and the modulated reverberations were sensed bi-statically with three omnidirectional receivers ... strengths (??10log(??4?) t TTS), were measured from groups of 57 to 1169 krill (average standard length ...

   Meeting Document : WG-EMM-02/49 : Auteur(s): D.A. Demer and S. G. Conti (USA)

6. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2005/06

   of the fishery by having fewer catch limits. This appeared to be moderately successful, with only one ... fished. The 2006 D. mawsoni catch was the second highest on record with a total of 3388 t against a ... nine years in Subarea 88.1 and for five years in Subarea 88.2 with a large amount of data collected on ... 88.2 suggests that depth alone does not explain all the variation in toothfish length in the areas ...

   Meeting Document : WG-FSA-06/29 : Auteur(s): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)

7. Season extensions in the longline fishery for Dissostichus eleginoides in Statistical Division 58.5.2

   that conditions be established as the basis for a further step-wise trial post-season extension of the ... season to include the period between 1 and 14 April with day/night setting allowed.  It also proposes ... longline fishing season.  Subject to these conditions being met, the post-season is proposed to be extended ... to include the period between 15 and 30 November with day/night setting allowed.  Australia will ...

   Meeting Document : WG-FSA-15/48 : Auteur(s): J. Barrington and T. Lamb (Australia)

8. Dynamic of the krill fishery in the Area 48 and its relation to climate variability and changes in fishing technology

   .  Standardization of CPUE values was calculated on the basis of generalized linear models method with mixed effects ... different fishing technologies revealed that the “high CPUEs” regime is not associated with the changes in ... ), monthly catches and catches per vessel day.  It was shown that the most important evidence of ongoing ... found that the most significant switching of fishery regime occurred in 2006-2011, when fishery had ...

   Meeting Document : WG-EMM-13/25 : Auteur(s): P.S. Gasyukov and S.М Kаsatkina (Russia)

9. An initial examination of using CPUE as a fishery performance index for the krill fishery

   period 2001 – 2016 (up to 26/5/2016) in Subareas 48.1, 48.2 and 48.3 to determine whether CPUE might be ... Abstract:  Early analyses of CPUE in the krill fishery concluded that it was not a useful index of ... annual FPI for each of the three subareas showed no synchronous relationship with each other and showed ... differing relationship with the total catch in the same subarea. Comparison of the annual FPI with the krill ...

   Meeting Document : WG-EMM-16/10 : Auteur(s): CCAMLR Secretariat

10. ANALYSIS OF SCIENTIFIC OBSERVER DATA FROM THE RUSSIAN KRILL TRAWLER 'MAXIM STAROSTIN' IN THE SOUTH ORKNEY ISLANDS REGION (SUBAREA 48.2) DURING THE SEASON 2008-2009

    time and, apparently, with different intensity that gives grounds to suggest the possibility of ... Abstract:  In 2008 fishing season the Russian flagged vessel ' Maxim Starostin ' started ... of the ' Maxim Starostin '. Their observation plan targeted at monitoring the amount and ... krill. This paper provides initial analysis of the ' Maxim Starostin ' catch data collected ...

    Meeting Document : WG-EMM-09/29 : Auteur(s): D. Sologub (Russia)

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