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Standardised CPUE analysis of Antarctic toothfish (Dissostichus mawsoni) fishery in the Ross Sea for the years 1997/98 to 2004/05
addition to extreme ice conditions that limited where lines could be set. None of these factors were ... years in Subarea 88.1 and 88.2. This report revises and updates the previous analysis with the addition ... on (a) all vessels and (b) the two main New Zealand vessels that have been in the fishery over most ... of the period. We estimate indices using both lognormal generalised linear models and a Tweedie mixed ...
Meeting Document : WG-FSA-05/32 : Автор(ы): A. Dunn and N.L. Phillips (New Zealand)
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A single-area stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in SSRU 88.2E for the 2004/05 season
. Moreover, the mean catch that could actually be taken under this scenario was 450 t. Hence, two revised ... be the same as used for the Antarctic toothfish in the Ross Sea (see Dunn et al. 2005b), except that ... uncertain, with the median estimated as 7720 t (95% credible intervals 3760–22 240 t), and current (B2005 ... , were estimated to be 670 t. However, as the fishing selectivity was estimated to be to the right of the ...
Meeting Document : WG-FSA-05/31 : Автор(ы): A. Dunn, D.J. Gilbert and S.M. Hanchet (New Zealand)
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Mercury concentrations in Patagonian toothfish, Dissostichus eleginoides Smitt 1898, among three distinct ocean basins
contamination. With a steady global market demand for Dissostichus this could pose a human health risk that has ... mackerel, that are considered high in Hg concentration by the U.S. Food and Drug Administration. In ... , halibut, cod, albacore tuna, and orange roughy. Explanation of these geographical differences in Hg may be ... lie well within the Antarctic Convergence, suggesting that the Polar Front may provide some type of ...
Meeting Document : WG-FSA-06/24 : Автор(ы): K. Dawson Guynn and M.S. Peterson (USA)
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Dynamic model of krill Euphausia superba swarm
. It was found that the vertical density pattern of krills039; swarm, with a mean density of up to ... (Okubo, 1980, 1986). It was assumed that the above mentioned model can also be applicable to krill swarms ... 1000 individuals/m3, is consistent with the insect model predictions. That is why cohesive forms of ... superba Dana were registered. Analysis of their physical parameters was carried out. It is known that ...
Meeting Document : WG-EMM-95/68 : Автор(ы): Kalinowski, J., Azzali, M.
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Examination of the gut contents of Patagonian toothfish (Dissostichus eleginoides) from the toothfish pot fishery trials around South Georgia
Abstract: To undertake the 039;ecosystem approach039; to fisheries management recommended by ... individuals were examined and their stomach contents identified. The proportion of individuals found with ... confirms that D. eleginoides s an opportunistic carnivore, whose feeding habits vary dependent on the ... availability of food items as well as Factors such as depth. Author(s): G. Pilling, T. Daw, M. Purves, D ...
Meeting Document : WG-FSA-00/25 : Автор(ы): G. Pilling, T. Daw, M. Purves, D. Agnew and J. Xavier (United Kingdom)
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An initial analysis of data provided from the deployment of scientific observers in the krill fishery
scales and indicated that krill hauled in a given month/season/area were similar enough to be pooled to ... components associated with different vessels and observers to be obtained; these were found to be ... compute monthly length frequency distributions. Linear Mixed Models were used to remove systematic ...
Meeting Document : WG-EMM-12/60 : Автор(ы): S. Thanassekos (CCAMLR Secretariat), S. Candy (Australia), E. Appleyard (CCAMLR Secretariat), S. Kawaguchi (Australia) and K. Reid (CCAMLR Secretariat)
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Operational interactions between cetaceans and the Patagonian toothfish (Dissostichus eleginoides) industrial fishery off Southern Chile
fishing yield is considered to be low. When mixed sightings of orcas and sperm whales were encountered (n ... (Dissostichus eleginoides) fishery were assessed in southern Chile through 7 surveys with observers on board ... 100%. Considering that in 153 (84%) of the effectively monitored sets no interaction whatsoever was ... recorded and that the mode and median of the predation rate was 0, the global impact of cetaceans over the ...
Meeting Document : WG-FSA-03/95 : Автор(ы): R. Hucke-Gaete, C.A. Moreno and J.A. Arata (Chile)
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Towards an initial operational management procedure for the krill fishery in Subareas 48.1, 48.2 and 48.3
as the average CPUE over that time. Thereafter TAC039;S may increase by Cr% per annum. However ... , accumulate catches should be as large as possible without substantial associated probability that TAC ... is proposed that possible alternative suggestions for such procedures should be made in a similar ... regulatory mechanisms (e.g. a catch control law) that depends on the results of the assessment. Developing ...
Meeting Document : SC-CAMLR-VIII/BG/17 : Автор(ы): Delegation of South Africa
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A CHARACTERISATION OF THE TOOTHFISH FISHERY IN SUBAREAS 88.1 AND 88.2 FROM 1997–98 TO 2007–08
catch was the fourth highest on record with a total of 2666 t against a combined catch limit of 3207 t ... of the fishery by having fewer catch limits. This appeared to be moderately successful, with only one ... 2001), these year classes are not seen in large numbers in later years in the fishery. So at this stage ...
Meeting Document : WG-FSA-08/22 : Автор(ы): M.L. Stevenson, S.M. Hanchet and A. Dunn (New Zealand)
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Report on attendance at the Third Meeting of the Committee for Environmental Protection Under the Madrid Protocol
criteria; (c) CCAMLR039;s consideration of l\-larine Protected Areas should be carried forward and in ... Antarctic research stations should be kept under review; (e) SC-CAMLR039;s potential involvement in the ... outlining the former039;s experience with data/information management, and (g) The participation of the SC ... debris, especially in relation to compliance with Protocol Annex IV; (b) SC-CAMLR should consider the ...
Meeting Document : SC-CAMLR-XIX/BG/17 : Автор(ы): Chair of the CCAMLR Scientific Committee
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