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Length-based assessment for mackerel icefish (Champsocephalus gunnari) at South Georgia
accurate identification of age cohorts from the survey data. In this paper a length-based approach is ... described that removes the problem of cohort determination. A bootstrap technique (consistent with the ... current CCAMLR approach) is used to estimate the length distribution of the population from the survey ... data which, in conjunction with the bootstrapped survey biomass data, yields an estimate of the ... (TAC). One issue is the accurate identification of age cohorts from the survey data. In this paper a ... this paper. Table 2: Comparison estimates of two-year TACs (tonnes) obtained using the current CCAMLR ... review of an earlier version of this paper. references Belchier, M., R.E. Mitchell, M.A. Collins, L ... ,*, C.T.T. Edwards1,2, R.E. Mitchell2 and D.J. Agnew2 1 Fisheries Group Division of Biology Imperial ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 129–137 : Автор(ы): Hillary, R.M., C.T.T. Edwards, R.E. Mitchell and D.J. Agnew
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Further measures to combat illegal, unreported and unregulated fishing in the Convention Area
Abstract: This paper highlights the continuation of a significant level of illegal, unreported ... range of further measures to combat such activities. Author(s): Delegation of Australia Title: Further ...
Meeting Document : CCAMLR-XVII/BG/13 : Автор(ы): Delegation of Australia
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Krill biomass assessment in Statistical Area 48 from the RV AtlantNIRO data - Autumn 1989/90
Islands was assessed at 3.8 million tonnes, most of which was concentrated in the waters of the Weddell ... Sea. In contrast to this site, the one off the South Orkney Islands is well-established in terms of ... tonnes. Most of this stock was concentrated in the south-western part of the Coronation Island shelf ... Paper Title: Krill biomass assessment in Statistical Area 48 from the RV AtlantNIRO data- Autumn ... , most of which was concentrated in the waters of the Weddell Sea. In contrast to this site, the one ... off the South Orkney Islands is well-established in terms of both research and commercial harvesting ... . The overall krill stock here was estimated to be 1.1 million tonnes. Most of this stock was ... concentrated in the south-western part of the Coronation Island shelf. Resume En mars/avril 1990, une ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 115–121 : Автор(ы): Fedotov, A.C.
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Information Note for WG-SAM-18
Dates The following information is provided by the Secretariat for the use of participants at the ... Norwich? Norwich is the main city in the county of Norfolk in the east of England (Figure 1), around 160 ... km to the northeast of London. It’s a place rich in history, full of picturesque cobbled streets ... , centuries-old buildings and home to two cathedrals. Situated on the river Wensum, just north of the former ...
Page : Site Section: Meetings
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Biological and fishery information for skates in Division 58.5.2
Division 58.5.2. Estimates of growth calculated from trawl-tagged, recaptured B. eatonii were 15 mm per ... slow growing. Composition of the skate bycatch by fishery and depth zone is described. Length-weight ... estimated for B. irrasa at 865 mm and the length at first spawning (Lm50) at 1210 mm. Estimates of abundance ... of skates by species and stratum is presented from survey data. CPUE of skates by species from both ...
Meeting Document : WG-FSA-05/70 : Автор(ы): E.M. van Wijk and R. Williams (Australia)
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The need to reduce uncertainties in the Antarctic krill fishery
. Lack of sufficient information about abundance of krill and krill predator populations, their ... distribution and seasonal variability, predator-prey relationships and the effects of climate change are ... delaying the establishment of krill catch limits among small-scale management units (SSMUs) in Area 48 ... . Uncertainties over krill escape mortality and the impact of krill fishing on fish larvae and krill predators are ...
Meeting Document : CCAMLR-XXIX/BG/21 : Автор(ы): ASOC Observer
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Зона действия Конвенции
The Convention Area is described in the Convention on the Conservation of Antarctic Marine Living ... Resources (74.48 KB) as consisting of all waters bounded by the Antarctic Continent to the south, and to the ... starting point. The Convention Area represents around 10 percent of the Earth’s oceans and has a surface ... area of 35 716 100 km 2. A Map of the CAMLR Convention Area (568.88 KB) is available to download, or ...
Page : Site Section: The Organisation
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Uncertainty in green weight estimates from Norwegian krill fishing vessels
Abstract: Uncertainty related to estimates of krill green weight from catches has recently been ... an issue raised repeatedly within CCAMLR for a number of years, resulting in a modification to the C1 ... 50-60 % of the total krill harvest, and reliable uncertainty estimates from these vessels will ... therefore be important contributions to an estimate of total uncertainty in catch weight. Here, we present ...
Meeting Document : WG-EMM-13/41 : Автор(ы): G. Skaret and T. Knutsen (Norway)
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The ICES Benchmark Protocol
that form the basis of ICES management advice for a stock. The review examines stock structure, fishery ... conducted outside of the ICES annual assessment and advice environment. It includes experts from outside of ... the ICES community and stakeholders to broaden the knowledge and enhance credibility. The goal of a ... a fixed short term period. Introducing benchmarking of CCAMLR assessments would be expected to ...
Meeting Document : WG-SAM-14/16 : Автор(ы): C. Darby (United Kingdom)
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The International Code for Ships Operating in Polar Waters: Step 2 addressing fishing vessels
adoption of a Polar Code for shipping in polar waters, and sets out the initial steps for a second phase on ... identifies the relevance for fishing vessels of various safety matters addressed in the Polar Code, on the ... basis of recent incidents in the Southern Ocean. Finally, it proposes measures on ice strengthening of ... fishing vessels and training of fishing vessel crews, which should be introduced by CCAMLR in the interim ...
Meeting Document : CCAMLR-XXXIV/BG/24 : Автор(ы): Submitted by ASOC
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