Search results
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A short guide to the identification of fish, cephalopod and marine mammal depredation marks on Patagonian and Antarctic toothfish in the Southern Ocean longline fisheries
toothed whales is well observed and documented in some subareas, but information on depredation by other ... and suckers’ imprints as an identification aide and supporting tool to the CCAMLR observers to ... marks on Patagonian and Antarctic toothfish in the Southern Ocean longline fisheries Approval: Approved ...
Meeting Document : WG-FSA-15/07 : Author(s): V. Laptikhovsky (United Kingdom), A. Remeslo (Russia), J. Brown (United Kingdom), O. Kasnoborod’ko (Russia), N. Gasco (France) and M. Söffker (United Kingdom)
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Preliminary results of the E.L. Holmberg 1994 cruise to Subareas 48.3 and 48.2
in surface water temperature of about-0.5 to-1.0 in a period of approximately 20 days was detected around ... water temperature of about -0.5 to -1.0 in a period of approximately 20 days was detected around South ...
Meeting Document : WG-FSA-94/29 : Author(s): E.R. Marschoff, B. Prenski, B. Gonzalez, C. Remaggi and C. Balestrini (Argentina)
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Age and growth of Scotia Sea icefish Chaenocephalus aceratus (Lönnberg, 1906), from the South Shetland Islands
. As observed in other recent surveys within the same area, C. aceratus represented one of the predominant ... from different institutions. The age range was 1-17 years for females and 1- 15 years for males. Von ... of asymptotic length L??(cm) and K (year-1) were respectively 79.8 and 0.07 for females and 60.0 and 0.09 ... . Sexual maturity was attained by females and males at about 10 and 9 years old respectively, at about 60 ...
Meeting Document : WG-FSA-02/77 : Author(s): M. La Mesa, J. Ashford, E. Larson and M. Vacchi
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DEVELOPMENT OF A SPATIALLY EXPLICIT AGE-STRUCTURED STATISTICAL CATCH-AT-AGE POPULATION DYNAMICS MODEL FOR MODELLING MOVEMENT OF ANTARCTIC TOOTHFISH IN THE ROSS SEA
to incorporate year class variability, stock recruitment relationships, tag-release and tag-recapture ... to the SPM model is required, including processes and observation classes to incorporate year class ...
Meeting Document : WG-SAM-08/14 : Author(s): A. Dunn and S. Rasmussen (New Zealand)
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Some considerations for the further development of statistical summaries of CEMP indices
Abstract: A potential method is presented for combining data collected as part of the CCAMLR ... ecosystem monitoring programme (CEMP) into a single index for each of the predator, prey and environment ... parameters. The proposed method is based on the usual theory of multivariate statistics and takes into ... -EMM for identifying anomalies in CEMP parameters is examined by means of simulation tests. The power ...
Meeting Document : WG-EMM-Stats-97/07 : Author(s): de la Mare, W.K.
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Examination of the skate by-catch from around South Georgia from one vessel in the 2000 longline toothfish season
Abstract: Two previously recorded species, Raja georgiana and Bathyraja meridionalis were ... recorded as-bycatch on one vessel in the South Georgia toothfish fishery, 2000. One further species could ... not be identified and was referred to as R. species 1. R. georgiana occurred in shallow water, the other two in deep ... from around South Georgia from one vessel in the 2000 longline toothfish season Approval: Approved ...
Meeting Document : WG-FSA-00/59 : Author(s): M. Endicott, D. Agnew and C. Nolan (United Kingdom)
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Summary of Ross Sea skate tagging programme results
years, and 47 (0.5%) have been recaptured. The recapture of tagged Amblyraja georgiana after up to four ... years at liberty shows that some skates survive and recover from being hauled out of depths of around ... , and probably increases the survival of released animals. Unfortunately, this means that length at release can ... little, even after four years at liberty. There was no movement between SSRUs, and the maximum distance ...
Meeting Document : WG-FSA-06/32 : Author(s): S.L. Ballara, A. Dunn and M.P. Francis (New Zealand)
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Analysis of krill trawling positions north of the South Shetland Islands (Antarctic Peninsula area), 1980/81–1999/2000
increasing effect on trawling positions.. Ice conditions for the recent fishing period were also demonstrated ... Abstract: Inter- and intra-annual variability of commercial krill trawling positions for the 1980 ... to biological and environmental factors. Commercial fishing perations concentrated on the outer shelf ... affect product quality such as salp abundance and the proportion of green krill, also seemed to have an ...
Meeting Document : WG-EMM-01/35 : Author(s): S. Kawaguchi and K. Segawa
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Notes on the commercial krill harvest of the Japanese stern trawler Chiyo Maru No. 5 in Subarea 48.1
CCAMLR Subarea 48.1 during February, 2000. Under an agreement by the Japanese and United States ... governments, a CCAMLR International Scientific Observer was present on the vessel. This paper presents much of ... . Information on length frequency, maturity, and feeding intensity were summarized based on 5 regions off the ... 48.1. Author(s): C. Jones (USA) Title: Notes on the commercial krill harvest of the Japanese stern ...
Meeting Document : WG-EMM-00/15 : Author(s): C. Jones (USA)
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Development of methods for evaluating the management of benthic impacts from longline fishing using spatially explicit production models, including model validation
Abstract: An important management objective for CCAMLR in the high seas region of the Antarctic ... tool for the investigation of impacts of fishing effort on benthic organisms. They have the advantage ... is to develop appropriate methods of monitoring and managing impacts of bottom fisheries on ... investigate a range of scenarios for simulating the effect and management of benthic impacts from longline ...
Meeting Document : WG-FSA-10/29 : Author(s): A. Dunn, S.J. Parker and S. Mormede (New Zealand)