Résultats de la recherche
-
Criteria for aging the otoliths of Dissostichus eleginoides from South Georgia (Subarea 48.3) and an analysis of aging precision
Abstract: A prerequisite for validation of an aging technique is a clear set of consistent aging ... the equivalent region in older fish. Both aging techniques indicated D. eleginoides to be a long-lived ...
Meeting Document : WG-FSA-98/52 : Auteur(s): J. Ashford (United Kingdom) and S. Wischniowski (Canada)
-
Trends in relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in trammel net catches at Potter Cove, South Shetland Islands
Abstract: A monitoring program of demersal fish in inshore sites of the South Shetland Islands ... has continued in Potter Cove from 1991 to 1998, covering a continuous sampling period of 15 years and ... commercially fished Notothenia coriiceps, which was already reported for the period 1983-1990 in a previous ...
Meeting Document : WG-FSA-98/57 : Auteur(s): E. Barrera-Oro, E.R. Marschoff and R.J. Casaux (Argentina)
-
PROPOSAL FOR AN EXTENSION TO THE MARK–RECAPTURE EXPERIMENT TO ESTIMATE TOOTHFISH POPULATION SIZE IN THE SOUTH OF SUBAREA 48.4
Abstract: 1. A three-year tagging study in the South of Subarea 48.4 was initiated in the 2008/09 ... 48.4; 2. In 2008/09 a total of 214 D. eleginoides and 192 D. mawsoni were tagged and released. Two ... experiment in the South of Subarea 48.4 in 2009/10 with a combined catch limit of 75 tonnes for Dissostichus ...
Meeting Document : WG-FSA-09/18 : Auteur(s): J. Roberts and D.J. Agnew (United Kingdom)
-
Trends of the Dissostichus eleginoides stock using the sequential population analysis (SPA) model in Subarea 48.3: 1992-1996
Abstract: This paper presents a model of Sequential Population Analysis (SPA), based in catch at ... under CCAMLR procedures. The model was programmed in a spreadsheet (Excel v.5) using the Solver function ... other hand, the descent trends in Total, Fishable and Spawning Biomass showed a stabilization during the ...
Meeting Document : SC-CAMLR-XV/BG/14 : Auteur(s): Delegation of Chile
-
THE ISSUE OF NON-COMPLIANCE WITH CCAMLR TAGGING PROGRAM
(2007), “the Commission requested the Secretariat to annually prepare and submit a table for SCIC’s ... Assessment Report 2007 and discovered a high level of non-compliance. The lack of reliable information can ... conserving marine living resources. Australia considers that non-compliance with research obligations is a ...
Meeting Document : CCAMLR-XXVII/BG/22 : Auteur(s): Delegation of Australia
-
Management of C. gunnari in Subarea 48.3
mortality of icefish may, in some years, increase by a large factor (assumed here to be 4) declining to ... normal levels again when krill return. A scheme is elaborated that would use information from studies on ... ecosystem than we have at present. There is therefore a need for an interim approach to setting ...
Meeting Document : WG-FSA-97/38 : Auteur(s): Kirkwood, G.P., Parkes, G.B., Everson, I., Agnew, D.J.
-
Preliminary report of outcomes of the 2nd international workshop on the ICED Southern Ocean Sentinel, held in Hobart Australia 7–11 May 2012
Antarctic Climate and Ecosystems Cooperative Research Centre. This paper provides a preliminary report on ... -based and land-based monitoring and integrated studies. The workshop agreed a work plan for ... ): A. Constable (Australia) Title: Preliminary report of outcomes of the 2nd international workshop on ...
Meeting Document : WG-EMM-12/59 : Auteur(s): A. Constable (Australia)
-
Has Notothenia rossii around Elephant Island and the lower South Shetland Islands (Subarea 48.1) recovered from exploitation some 30 years ago?
Antarctic Marine Living Resources (CCAMLR)’ adopted in 1985. Fish biomass within a CCAMLR Subarea or ... Division or part of it, is commonly estimated by targeting a number of species including N. rossii ... the case of N. rossii which shows an extremely skewed abundance in that a large proportion of the ...
Meeting Document : WG-FSA-12/19 : Auteur(s): K.-H. Kock (Germany) and C.D. Jones (USA)
-
An analysis of temporal variability in abundance, diversity and growth rates in the coastal ichthyoplankton assemblage of South Georgia (sub-Antarctic)
Abstract: Data from a seven-year (2002-2008) ichthyoplankton sampling programme in Cumberland Bay ... , representing a protracted spawning season, were observed to grow at different rates and this may be related to ... temperature and /or food availability. A comparison with historical growth data from South Georgia suggests ...
Meeting Document : WG-FSA-12/33 : Auteur(s): M. Belchier and J. Lawson (United Kingdom)
-
Pairwise tag performance: testing the sensitivity of the tag detection index and the mortality of tagged fish index
developed in 2012 and further developed in 2013, using a methodology which controls for the spatial and ... all other fishing events which occurred in the same time and place (i.e. within a specific distance ... useful as is the index of tag detection rate. We recommend that in the absence of a better index of ...
Meeting Document : WG-FSA-13/50 : Auteur(s): S. Mormede (New Zealand)