Search results
-
Simulations to evaluate model performance for Antarctic toothfish stock assessment in the Amundsen Sea region
years to predict progress towards a robust assessment model using the two-area model. The models showed ... years to predict progress towards a robust assessment model using the two-area model. The models showed ... assessment model is likely to provide management advice, and to investigate the effects of using either two ... independent single-area models or a two-area model. We used simulations to investigate the expected precision ...
Meeting Document : WG-SAM-17/40 : Author(s): S. Mormede and S. Parker
-
Evidence of two stocks of Champsocephalus gunnari in the South Georgia region, CCAMLR fishing Area 48.3
Abstract: In 1991, the 0 age-class of C. gunnari were sampled at Shag Rocks on 18 January, off ... -46mm and 55-87mm SL. however, off Possession Bay only one mode of 25-57mm SL was apparent. Fish ... In 1991, the 0 age-class of C. gunnari were sampled at Shag Rocks on 18 January, off Possession Bay ... -87mm SL. however, off Possession Bay only one mode of 25-57mm SL was apparent. Fish in combined samples ...
Meeting Document : WG-FSA-94/16 : Author(s): A.W. North (United Kingdom)
-
Food and feeding of two Channichthyids, Champsocephalus gunnari and Chaenocephalus aceratus, around Elephant Island and in the South Shetland Islands (Subarea 48.1) in 2001 and 2002
Abstract: Data on food and feeding of two icefish species, Champsocephalus gunnari ... ‘Polarstern’. C. gunnari fed almost exclusively on krill (Euphausia superba) in both years. C. aceratus fed ... on krill and other crustaceans as well as on fish. C. aceratus smaller than 30 – 35 cm relied primarily ... (s): H. Flores, K.-H. Kock, S. Wilhelms (Germany) and C.D. Jones (USA) Title: Food and feeding of two ...
Meeting Document : WG-FSA-02/73 Rev. 1 : Author(s): H. Flores, K.-H. Kock, S. Wilhelms (Germany) and C.D. Jones (USA)
-
Descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in Subareas 88.1 & 88.2 for the years 2000–01 to 2014–15
, most vessels have achieved or exceeded the required tagging rate of one toothfish per tonne of catch ... , most vessels have achieved or exceeded the required tagging rate of one toothfish per tonne of catch ... and 2473 recaptured, and 1191 Patagonian toothfish released and 103 recaptured since 2001. In recent years ... released, 20 in-season recaptures and 2 recaptures from 2009 releases. Author(s): S.J. Parker ...
Meeting Document : WG-FSA-15/37 : Author(s): S.J. Parker and S. Mormede (New Zealand)
-
Summary of monitoring and research effort and preliminary results from the 2019 Scotia Sea krill monitoring survey with FV Cabo de Hornos
distribution were dominated by two modes, one of very large animals averaging around 55 mm dominating ... , one of very large animals averaging around 55 mm dominating in the South Shetland area, and a second ... of the large scale survey area were visited, and about 80 % of the coverage planned for the vessel ... South Georgia. Small animals were only rarely sampled and almost uniquely on the shelf to the east ...
Meeting Document : WG-EMM-2019/46 : Author(s): G. Skaret, M. Martinussen, G. McCallum, R. Pedersen, J. Rønning, A.L. Donoso, O.A. Bergstad and B.A. Krafft
-
A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2005/06
experiment (SC-CAMLR-XXIV). One of the aims of the experiment was to simplify the administration ... of the fishery by having fewer catch limits. This appeared to be moderately successful, with only one catch limit ... -XXIV). One of the aims of the experiment was to simplify the administration of the fishery by having ... fewer catch limits. This appeared to be moderately successful, with only one catch limit being slightly ...
Meeting Document : WG-FSA-06/29 : Author(s): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)
-
The YugNIRO expedition in the Indian Ocean sector of the Antarctic and in Lazarev Sea in the summer season of 1989–90: preliminary findings of the oceanographic research
Abstract: In reference to the YugNIRO antarctic expedition in the season of 1989/90, information ... in the marginal /epicontinental/ Antarctic seas were most favourable in Cooperation Sea (long. 55-80° East ... Ocean sector of the Antarctic and in Lazarev Sea in the summer season of 1989–90: preliminary findings ... In reference to the YugNIRO antarctic expedition in the season of 1989/90, information on the areas ...
Meeting Document : WG-FSA-90/40 : Author(s): V.A. Bibik, A.V. Dulnev, A.V. Klausov, A.S. Pelevin, E.G. Ryabchikov and V.N. Yakovlev (YugNIRO, USSR)
-
Biodiversity of the benthos off Kerguelen Islands: overview and perspectives
at the northern limit of the Polar Front is probably one of the best study areas to (1) monitor the impact ... is probably one of the best study areas to (1) monitor the impact of climate forcing on coastal benthic ... been neglected and understudied during the last 30 years. The Kerguelen Plateau, situated ... and understudied during the last 30 years. The Kerguelen Plateau, situated at the northern limit of the Polar Front ...
Meeting Document : WS-MPA-11/P03 : Author(s): N. Améziane, M. Eléaume, L.G. Hemery, F. Monniot, A. Hemery, M. Hautecoeur and A. Dettaï
-
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)
, fishing in different depth strata using one or two sets, from the shallower waters down to depths between ... in different depth strata using one or two sets, from the shallower waters down to depths between 1500 and 2000 ... individuals). The total catch in weight was 21.43 t, of which 20.502 t (95.63 %) corresponded to toothfish ... is not significantly different from 1: 1 until a total length of around 90 cm which corresponds to the onset ...
Meeting Document : WG-FSA-98/48 : Author(s): L.J. López Abellán y J.F. González Jiménez
-
Phytoplankton standing stocks in relation to krill in Antarctic waters
, consisting of 32 diatoms and one dinoflagellete. Chaetoceros and Nitzschia spp. dominated the phytoplankton ... of 32 diatoms and one dinoflagellete. Chaetoceros and Nitzschia spp. dominated the phytoplankton ... lies between latitude 56° to 61° 17's and longitude 30° to 40°E is characterized by cold surface ... lies between latitude 56° to 61° 17's and longitude 30° to 40°E is characterized by cold surface waters ...
Meeting Document : WG-EMM-98/34 : Author(s): X.N. Verlecar, R. Vijayakumar, F. Saldhana and L. Martins (India)