Résultats de la recherche
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Updated description of Patagonian toothfish (Dissostichus eleginoides) tagging and ageing programs in Division 58.5.2, 1997–2015
Abstract: In 2014, CCAMLR endorsed a TAC of 4410 t of Patagonian toothfish in Division 58.5.2 ... , considerably adding to information on the structure of the population. The ageing program at AAD has produced ... an additional 2559 estimates of age, for fish captured during the 2014 and 2015 Random Stratified ... previous maximum age estimate of 42 years. These data have been used to develop age length keys and a ...
Meeting Document : WG-FSA-15/55 : Auteur(s): D.C. Welsford, B. Farmer, T.D. Lamb, C. Péron, E. Woodcock and P.E. Ziegler (Australia)
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Spatial distribution and swarm characteristics of Antarctic krill around the South Shetland Islands
Abstract: The spatial distribution and swarm characteristics of Antarctic krill were studied ... , thickness and length of swarms were estimated from the 120kHz data. The full spatial distributions of ... majority of swarms were also found in the upper 100 m layer. The swarm-based method provides a promising ... way not only for biomass estimation but also for the study of swarm characteristics. Author(s): X. Yu ...
Meeting Document : WG-EMM-18/42 : Auteur(s): X. Yu, X. Wang and X. Zhao
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A versatile approach to minimise damage or loss of longline gear due to sea-ice
Abstract: At SAM 2019, there were again reports on damage and/or loss of longline gear, most ... quickly varying sea ice cover, there is an increased risk that any parts of longline gear floating on the ... buoy recovery systems for short-term deployment of scientific instruments on the sea floor and invites ... FSA to: (1) to (re-)discuss the issue of damage or loss of longline gear due to sea ice, including the ...
Meeting Document : WG-FSA-2019/04 : Auteur(s): S. Hain, T. Brey and K. Teschke
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Distribution, growth, diet and foraging behaviour of the yellow-fin notothen (Patagonotothen guntheri) on the Shag Rocks shelf (Southern Ocean)
Abstract: The distribution, length-frequency and diet of Patagonotothen guntheri are described ... summers from 1986 to 2006. P. guntheri (80-265 mm LT) were caught on the Shag Rocks shelf from depths of ... during each survey and length-frequency analysis of these cohorts suggests that growth is slow (K=0.133 ... pelagic feeder, migrating from the seafloor towards the surface to feed during daylight. The diet of ...
Meeting Document : WG-FSA-07/P3 : Auteur(s): M.A. Collins, R. Shreeve, S. Fielding and M. Thurston (J. Fish Biol., 72 (1): 271–286 (2008))
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Summary of work done to augment and enhance that presented in WG-EMM-05/13
of this appendix at page 55. This appendix contains 1) example parameterizations and results for ... krill movement in the KPFM, 2) errata for the main text of WG-EMM-05/13, 3) errata for and extensions to ... Appendix 1 of WG-EMM- 05/13, and 4) a short, annotated script of S-plus commands that we hope to follow ... . Watters, J.T. Hinke (USA), K. Reid and S. Hill (United Kingdom) Title: Summary of work done to augment ...
Meeting Document : WG-EMM-05/13 Appendix 3 : Auteur(s): G.M. Watters, J.T. Hinke (USA), K. Reid and S. Hill (United Kingdom)
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Information on the spawning of Dissostichus mawsoni from Subareas 88.1 and 88.2 in the 2003/04 season
Abstract: Data on maturity, gonadosomatic index (GSI) and length weight of Antarctic Toothfish ... . The onset of spawning in D. mawsoni is in December and continues until at least June, in both Sub ... -areas 88.1 and 88.2, and spawning occurs on isolated geographic features north of the main Antarctic ... shelf areas. One of the mature fish caught in Sub Area 88.2 had originally been tagged in McMurdo Sound ...
Meeting Document : WG-FSA-04/34 : Auteur(s): G.J. Patchell (New Zealand)
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JGYM: a java version of the Generalised Yield Model
identical input, then this would be a major step towards a verification of the GYM. This paper, which will ... Abstract: As part of a wider research project aimed at developing management strategies based on ... of the GYM has been developed. The new version has been developed directly from the specifications ... be given in the form of a Power Point presentation, will discuss how the JGYM was developed, indicate ...
Meeting Document : WG-FSA-SAM 03/16 : Auteur(s): R.N. Vilhelm (United Kingdom)
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Notes on the commercial krill harvest of the Japanese stern trawler Chiyo Maru No. 5 in Subarea 48.1
governments, a CCAMLR International Scientific Observer was present on the vessel. This paper presents much of ... the information collected in graphical form, and serves as a compliment to the Final Report of ... off the South Shetlands Islands north of Elephant Island and the lower South Shetlands Islands ... commercial fishing operation agrees well with the findings of the CCAMLR 2000 synoptic survey within Subarea ...
Meeting Document : WG-EMM-00/15 : Auteur(s): C. Jones (USA)
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Status of the krill stock around Elephant Island in 1991/92 and 1992/93
Abstract: Krill stock composition and distribution patterns in the vicinity of Elephant Island ... . The general distribution of krill length and maturity classes conformed to previous descriptions and ... appears to be a recurring and predictable aspect of the krill stocks in the Antarctic Peninsula region ... months. The overall abundance, maturity stage composition and reproductive activity of krill appeared to ...
Meeting Document : WG-KRILL-93/08 : Auteur(s): V. Loeb (USA) and V. Siegel (Germany)
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Age and growth of Antarctic Euphausiacea (Crustacea) under natural conditions
Abstract: Five species of Antarctic euphausiid crustaceans were studied from the Antarctic ... regressions. No difference in growth of krill were observed between the Antarctic Peninsula area and the ... shorter life span than females, while their growth rate is similar. A short description of the life cycle ... and generation time of each species is given. In general, Antarctic euphausiids seem to remature and ...
Meeting Document : SC-CAMLR-VI/BG/24 : Auteur(s): V. Siegel (FRG)