Search results
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On the very high likelihood of bycatch of ice krill (Euphausia crystallorophias) in the present-day fishery for Antarctic krill (E. superba)
companies; our emphasis) achieved MSC re-certification in August 2015 (https://www.msc.org/newsroom/news ... Krill harvesting companies; our emphasis) achieved MSC re-certification in August 2015 (https ...
Meeting Document : WG-EMM-18/05 : Author(s): A.S. Brierley and R. Proud
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A multivariate approach to examining patterns in research fishing activities using the SSRU 88.2A–B North survey as an example
criteria to assess the likelihood that a vessel is operating as would be expected in normal research ... activities”, further noting that a characterisation of fishing activities was also required in order to ... the time taken to haul a line as a metric, and estimate vessel effects associated with fishing events ... such as research surveys. Results showed that individual vessels exhibited significantly different ...
Meeting Document : WG-FSA-16/46 : Author(s): S. Mormede, A. Dunn, S.J. Parker, T. Earl, C. Darby, M. Söffker and O.R. Godø
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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 : Author(s): D.J. Agnew, R. Hillary, M. Belchier, J. Clark and J. Pearce (United Kingdom)
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Informe de la campaña de investigación biológico-pesquera de palangre de fondo en aguas del Atlántico sur-oriental y en los sectores Atlántico e índico de la CCRVMA (Subárea 48.6 y División 58.4.4)
be related to the beginning of migratory movements that make them inaccessible to fishing with bottom ... to increase length with depth seems to be somehow disturbed by inflections or alterations related to ... stratum with highest catch per unit effort was that of 600-800 m though absolute values varied between ... toothfish (D. eleginoides) with 2822 individuals (83.24 %). Macrourus carinatus was the second species in ...
Meeting Document : WG-FSA-98/48 : Author(s): L.J. López Abellán y J.F. González Jiménez
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Killer whale Orcinus orca and sperm whale Physeter macrocephalus interactions with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic
abundant marine mammals observed in the vicinity of vessels when lines were being hauled, occurring during ... -line observations on a longliner in the 2001 season it was noted that toothfish lips on hooks were more ... observed in the vicinity of vessels when lines were being hauled, occurring during 24% of hauling ... by sperm whales can lead to a drop-off in catches. During hook-line observations on a longliner in the 2001 ...
Meeting Document : WG-FSA-03/27 : Author(s): M.G. Purves (United Kingdom), D.J. Agnew (United Kingdom), E. Balguerías (Spain), C.A. Moreno (Chile) and B. Watkins (South Africa)
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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 : Author(s): A.J. Constable, C.R. Davies, R. Williams and T. Lamb (Australia)
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Modelling growth of Antarctic krill: a new approach to describing the growth trajectory
mixed models incorporating cubic smoothing splines. We generate a number of growth trajectories starting ... the Indian Ocean sector we model IGR as a function of pre-moult length and season using linear mixed models ...
Meeting Document : WG-EMM-05/27 : Author(s): S. Candy and S. Kawaguchi (Australia)
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Season extensions in the longline fishery for Dissostichus eleginoides in Statistical Division 58.5.2
. Subject to these conditions being met, the post-season is proposed to be extended to include the period ... of the longline fishing season. Subject to these conditions being met, the post-season is proposed ...
Meeting Document : WG-FSA-15/48 : Author(s): J. Barrington and T. Lamb (Australia)
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Beach debris survey, Main Bay, Bird Island, South Georgia, 2002/03
recorded in 2001/02 and the lowest levels of beach debris during summer since the first year of recording ... that debris is still being lost by vessels into the marine environment. All vessels operating in this region ... Georgia, a total of 183 items was collected. This represents a 5.0% decrease on the total recorded in 2001 ... that debris is still being lost by vessels into the marine environment. All vessels operating in this region ...
Meeting Document : SC-CAMLR-XXIII/BG/13 : Author(s): Delegation of the United Kingdom
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Preliminary assessment of Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a survey in April–May 2003
estimate for 2004 was 2,680 t. Initial tests of length at age assumptions indicated that using a specified ... that it may be appropriate to adjust estimates of cohort strength for catchability where possible. The ... 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 : Author(s): A.J. Constable, C.R. Davies, R. Williams and T. Lamb (Australia)