Search results
-
Investigation of the sensitivity of the Ross Sea toothfish assessment to withholding subsets of the available data
CCAMLR areas using integrated statistical catch-at-age stock assessment models. These models were ... updated assessments with catch data, or with catch data and age frequencies, provided no further ... using integrated statistical catch-at-age stock assessment models. These models were initially run ... updated assessments with catch data, or with catch data and age frequencies, provided no further ...
Meeting Document : WG-SAM-11/17 : Author(s): S. Mormede (New Zealand)
-
Standardised CPUE analysis of the Antarctic toothfish fishery in CCAMLR Subarea 88.1 from 1988/89 to 2003/04
to 2004, in Subareas 88.1 and 88.2. A preliminary standardised analysis of toothfish CPUE (catch (kg) per ... et al. 2005). It also examines alternative approaches to modelling catch and effort data by using ... that extreme values of catch rate were not modelled well and there may be violations of model assumptions ... , in Subareas 88.1 and 88.2. A preliminary standardised analysis of toothfish CPUE (catch (kg) per baited hook ...
Meeting Document : WG-FSA-04/25 : Author(s): N.L. Phillips, R.G. Blackwell and S.M. Hanchet (New Zealand)
-
DEVELOPMENT OF SPATIALLY EXPLICIT AGE-STRUCTURED POPULATION DYNAMICS OPERATING MODELS FOR ANTARCTIC TOOTHFISH IN THE ROSS SEA
explicit commercial catch proportions-at-age, proportions mature, and tag-release and tag-recapture ... to the commercial catch proportions-at-age observations were generally good in most models, although fits ... to the plus group of the proportions-at-age catch data were less than ideal. Model estimates of proportions ... explicit commercial catch proportions-at-age, proportions mature, and tag-release and tag-recapture ...
Meeting Document : WG-SAM-09/18 : Author(s): A. Dunn, S. Rasmussen and S. Hanchet (New Zealand)
-
Further development of coarse- and medium-scale spatially explicit population dynamics operating models for Antarctic toothfish in the Ross Sea region
include spatially explicit commercial catch proportions-at-age, proportions mature and proportions ... and spawning fish in the northern areas of the Ross Sea region. Fits to the commercial catch proportions-at-age ... catch data were less than ideal. Model estimates of proportions-mature appeared to be sensible ... include spatially explicit commercial catch proportions-at-age, proportions mature and proportions ...
Meeting Document : WG-FSA-12/44 : Author(s): S. Mormede, A. Dunn, S. Parker and S. Hanchet (New Zealand)
-
Fishing cruise of the Russian trawler Zakhar Sorokin to the Antarctic (Subarea 48.3) from 16 February to 10 March 1999
were done and 264,921 t of icefish were caught. 86% of catch were taken from 28 February to 3 March ... , formed dense commercial concentrations. In this period, catches constituted 3,4 t per trawling hour ... and 57 t per day of fishing. Icefish 27-33 cm long were the basis of catches. Total catch of other fish ... t of icefish were caught. 86% of catch were taken from 28 February to 3 March on the nothwestern slope ...
Meeting Document : WG-FSA-99/57 : Author(s): V.L. Senioukov and P.N. Kochkin (Russia)
-
Krill fishery information
in Area 48, and the total catch of krill reported during that period was 30175 t. The 2000/01 fishing ... season for krill began on 1 December 2000 and ends on 30 November 2001. The total krill catch reported ... , and the total catch of krill reported during that period was 30175 t. The 2000/01 fishing season for krill began ... on 1 December 2000 and ends on 30 November 2001. The total krill catch reported to date (17 June 2001 ...
Meeting Document : WG-EMM-01/7 : Author(s): Secretariat
-
Progress report on the Weddell Sea Research Program Stage II
ranging from 605 to 2031 m. A total number of hooks- 116 100, fishing area – 13565 km 2. Catch value ... of the Antarctic toothfish was 228 t, by-catch – appr. 2 t. CPUE per 1 km main line was 1635 kg at average ... from 605 to 2031 m. A total number of hooks - 116 100, fishing area – 13565 km2. Catch value ... of the Antarctic toothfish was 228 t, by-catch – appr. 2 t. CPUE per 1 km main line was 1635 kg at average ...
Meeting Document : WG-FSA-14/03 Rev. 2 : Author(s): A.F. Petrov, I.I. Gordeev, S.V. Pianova and E. F. Uryupova (Russia)
-
Brief report on results of experimental harvest regime for the exploratory fishery for crab in the area of the South Orkney Islands (CCAMLR Subarea 48.2) during the 2009/10 season
in statistical subarea 48.2. Judging by insignificant catch crabs, state of benthic fauna and very small fish ... by-catch in traps, one can assume that highly expressed seasonality is present in vital activity of benthos ... by insignificant catch crabs, state of benthic fauna and very small fish by-catch in traps, one can assume ...
Meeting Document : WG-FSA-10/44 : Author(s): Yu.V. Korzun and S.E. Anosov (Ukraine)
-
Seabird interactions with long-lining operations during an exploratory fishing cruise for Dissostichus eleginoides to South Sandwich Islands, Antarctica
Abstract: During seven operations involving the setting and hauling of long-lines to catch ... , suggest that there may be significant catch rates of albatrosses; further detailed studies are needed ... During seven operations involving the setting and hauling of long-lines to catch Dissostichus ... catch rates of albatrosses; further detailed studies are needed. ...
Meeting Document : SC-CAMLR-XII/BG/08 Rev. 1 : Author(s): Delegations of United Kingdom and Chile
-
Seabird mortality in the artisanal austral hake and Patagonian toothfish longline fisheries in southern Chile
by-catch was 0.030 birds/1000 hooks in the Austral hake fishery, mainly accounted by birds caught during ... the slow process of hauling. The overall by-catch rate in the Patagonian toothfish was 0.047 birds/1000 ... by-catch was 0.030 birds/1000 hooks in the Austral hake fishery, mainly accounted by birds caught during ... the slow process of hauling. The overall by-catch rate in the Patagonian toothfish was 0.047 birds/1000 ...
Meeting Document : WG-FSA-04/54 : Author(s): C.A. Moreno, P. Rubilar, J. Arata, R. Hucke-Gaete (Chile) and G. Robertson (Australia)