Search results
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Research plan for the exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1, 58.4.2 and Subarea 48.6 in 2014/2015 (including CTD data in 88.1, 88.2)
Abstract: Most things related to Dissostichus spp. in the eastern side of Antarctic has not been ... known well as namely the area is data poor areas. In the Division 58.4.1 there are two stocks; one ... extends from the SSRU 58.4.1C to the SSRU 58.4.2A, and the other one to the SSRU 58.4.1H. The population ... SSRU in 58.4.2. During the 2004-2014 fishing seasons in Division 58.4.1, 58.4.2 and Subarea 48.6 ...
Meeting Document : WG-SAM-14/21 : Author(s): Delegation of the Republic of Korea
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THE RISK TO FISHERY PERFORMANCE ASSOCIATED WITH SPATIALLY RESOLVED MANAGEMENT OF ANTARCTIC KRILL (EUPHAUSIA SUPERBA) HARVESTING
Abstract: The ecosystem approach to fisheries attempts to define objectives for the target ... species, the wider ecosystem and, critically, the fishery itself. Proposals for implementing this approach ... will affect fishery performance. One metric of potential performance is the probability of encountering ... exploitable densities of the target species at the scale of fishing operations. The probability of ...
Meeting Document : WG-EMM-09/P10 : Author(s): S. Hill, P. Trathan and D. Agnew
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A updated population status model for the Patagonian toothfish, Dissostichus eleginoides, at Kerguelen Islands (Division 58.5.1) using CASAL
Abstract: A stock assessment of the Patagonian toothfish (Dissostichus eleginoides) at Kerguelen ... Islands (CCAMLR Division 58.5.1) was undertaken using the modelling software CASAL, based on different ... statistical and biological datasets: abundance estimation from the POKER 1 (2006) and 2 (2010) surveys ... -length data... CASAL is a simple, single-sex, single-area population model. The spatial complexity in the ...
Meeting Document : WG-FSA-12/09 : Author(s): A. Rélot-Stirnemann (France)
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Population structure and connectivity of an important pelagic forage fish in the antarctic ecosystem, Pleuragramma antarcticum, in relation to large scale circulation
Abstract: Ocean circulation has been identified as a major process controlling the distribution ... of biological material in marine systems. Large-scale transport by the Antarctic Circumpolar Current ... (ACC), the Ross and Weddell Gyres, and the Antarctic Coastal Current can promote spatially complex ... population structure in the Southern Ocean through advection. Antarctic silverfish (Pleuragramma antarcticum ...
Meeting Document : WG-FSA-12/23 : Author(s): J.W. Ferguson (USA)
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A proposal for the establishment of a Ross Sea Region Marine Protected Area
Abstract: The delegations of New Zealand and the United States propose the establishment by the ... Commission for the Conservation of Antarctic Marine Living Resources (Commission or CCAMLR) of a marine ... protected area (MPA) in the Ross Sea Region (“Ross Sea Region Marine Protected Area”). In recognition of ... the exceptional ecological value and scientific importance of the Ross Sea Region, our delegations ...
Meeting Document : CCAMLR-SM-II/04 : Author(s): Delegations of New Zealand and the USA (This paper introduces a revised version of the proposal contained in CCAMLR-XXXI/16 Rev. 1 of 29 October 2012)
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Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Bird Island, South Georgia during the 1993 winter and 1993/94 pup-rearing season
the fourth consecutive winter and sixth consecutive summer at Bird Island, South Georgia. In the 1993 ... winter the number of entangled seals was only 39% of the record 1992 total, but still 5 times the numbers ... in 1990 and 1991. Nearly all animals were juveniles, half with severe injuries and the proportion of ... females (40%) was the highest yet reported. The proportion of animals entangled in packaging bands was the ...
Meeting Document : SC-CAMLR-XIII/BG/03 : Author(s): Delegation of United Kingdom
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Research plan for the exploratory fisheries for Dissostichus spp. in Division 58.4.1 in 2014/15
the latest CCAMLR C2 and observer data toward the development of research plan for the 2014/15 ... exploratory fishery of Dissostichus mawsoni in Subarea 58.4.1. The stock sizes for five research blocks ... (5841_1, 5841_2, 5841_3, 5841_4 and 5841_5) were estimated by the Petersen estimator and the CPUE x seabed ... the CPUE method recommended at the last WG-FSA meeting. The stock size using the Petersen estimator ...
Meeting Document : WG-SAM-14/02 : Author(s): Delegation of Japan
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Estimating future krill catches that meet the CCAMLR and alternative decision rules for FAO Subarea 48.1 using an integrated assessment model
incorporates catch and length-composition data from the krill fishery with biomass indices and length ... -compositions from research surveys has been developed. The model uses statistical fits to these data to ... estimate the effects of the fishery on the krill population. The model estimates parameters representing ... krill population biology and the fishery during the period with data (1976 to 2014 in these models) and ...
Meeting Document : WG-EMM-15/51 Rev. 1 : Author(s): D. Kinzey, G.M. Watters and C.S. Reiss (USA)
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Integrated research proposal for Dissostichus spp. in Subarea 88.3 by the Republic of Korea, New Zealand and Ukraine
the proposal in 2017. The joint research proposal was for 3 years covering the period 2017/18, 2018/19 ... blocks where tagged fish have previously been released on the slope, while also prospecting two of the ... northern seamount complexes and two boxes on the continental shelf, where no research has occurred ... . Following a proposal from the Ukraine to join the research plan in 2018, the Scientific Committee requested ...
Meeting Document : WG-SAM-2019/02 : Author(s): Delegations of the Republic of Korea, New Zealand and Ukraine
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Growth models for D. eleginoides for the Heard Island plateau region (Division 58.5.2) calibrated from otolith-based length at age data and validated using mark-recapture data
Abstract: Length-at-age data for the Patagonian toothfish (Dissostichus eleginoides) caught by ... likelihoods that either did or did not incorporate fishing selectivity and the length-bin sampling frequencies ... for ageing relative to those for random length frequency (LF) samples to give the variable probability ... (VP) of sampling lengths. A segmented linear trawl fishing selectivity function was used where the ...
Meeting Document : WG-FSA-05/64 Rev. 1 : Author(s): S.G. Candy, T. Lamb, A.J. Constable and R. Williams (Australia)