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Toothfish, Dissostichus eleginoides, at South Georgia
Dissostichus eleginoides fishery at South Georgia has expanded greatly in recent years. It has been claimed ... longliner in January 1990 indicates that the fish are sexually mature and, at the time of sampling, are ... Georgia has expanded greatly in recent years. It has been claimed that the exploited fish are senescent ... examination of the gonads of a small sample of fish taken from a commerciallongliner in January 1990 ... that a TAC of 1200 tonnes be set for Dissostichus eleginoides in Subarea 48.3. That estimate was based ... longline fishery was justified (CCAMLR-VIII, paragraph 106). We know of no fishery anywhere in the World ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 255–261 : Автор(ы): Everson, I. and S. Campbell
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A method for estimating recruitment and mortality from time series of length-density data
years. A worked example is provided in an appendix. Author(s): A. Constable and I. Ball (Australia ... estimates are needed for estimating recruitments and for use in assessing yield. This paper proposes a ... -likelihood function based on one or more cohorts for which their abundance has been estimated in two or more ...
Meeting Document : WG-FSA-00/52 : Автор(ы): A. Constable and I. Ball (Australia)
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BEACH DEBRIS SURVEYS SOUTH SANDWICH ISLANDS
(70%) being pieces of driftwood which had probably been in situ for at least several years. Many ... Abstract: Beach debris surveys were carried out at two sites in the South Sandwich Islands ... length) at Demon Point, Candlemas Island were made, separated by exactly one month, in January and ... , Saunders Island, was made in late January 1997. Incidental observations were n1ade on several other islands ...
Meeting Document : CCAMLR-XVI/BG/10 : Автор(ы): Delegation of the United Kingdom
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Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey
biomass estimate which is set as the catch for a 20-year period. Three alternative fishing seasons are ... considered. Fishing in summer (near-coincident with the period of krill growth), or throughout the year ... , allows a greater catch (for the same risk of depletion) than in the case of fishing in winter. Author(s ...
Meeting Document : WG-KRILL-92/04 : Автор(ы): D.S. Butterworth, G.R. Gluckman and S. Chalis (South Africa)
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Conservation Measure Conservation Measure 91-01 (2004)
Procedure for According Protection to CEMP Sites Adopted at Meeting: CCAMLR-XXIII Period in Force ... adopts the following conservation measure in accordance with Article IX of the Convention: 1. In cases ... throughout the site at defined parts of the year 1.3 in parts of the site at all times of the year 1.4 in ... in mind that the Scientific Committee has established a system of sites contributing data to the ... CCAMLR Ecosystem Monitoring Program (CEMP), and that additions may be made to this system in the future ...
Conservation Measure : 91-01 (2004)
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Промысел и стабильность запасов криля
8 years in aquariums but in the wild they probably live for 3 to 4 years, spawning when they are 2 ... to 3 years old. They are important in the food chain because they feed on phytoplankton, and to a ... night and in deeper waters during the day. The size of the krill population is very variable from year ... population each year. This may be driven by variability in the amount of sea-ice, which is why there is a ...
Page : Site Section: Fisheries
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SC-CAMLR-XXXI
fisheries for Dissostichus spp. in 2012/13 Delegation of Japan CCAMLR-XXXI/20 Rev. 1 Notifications of the ... , Norway, 17 to 20 April 2012) SC-CAMLR-XXXI/07 Designation of Marine Protected Areas in Antarctic waters ... krill fisheries in 2012/13 Secretariat CCAMLR-XXXI/12 Rev. 1 Notifications for new and exploratory ... fisheries in 2012/13 Secretariat CCAMLR-XXXI/14 Rev. 1 Preliminary assessment of known and anticipated ...
Meeting
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Size selectivity of the RMT8 plankton net and a commercial trawl for Antarctic krill
has been studied. Selection curves indicate that krill length classes smaller 20 mm are ... underrepresented in the RMT8. For the commercial trawl with a liner mesh size of 12mm the length classes smaller 35 ...
Meeting Document : WG-EMM-07/28 : Автор(ы): V. Siegel (Germany)
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Integration of CPUE data into assessments using the Generalised Yield Model
/ Description: For the last three years, CCAMLR's Working Group on Fish Stock Assessment (WG-FSA) has ... into assessments using the Generalised Yield Model (GYM). In this paper, we propose a method, based on ... the use of importance sampling, for incorporating information on trends in standardised CPUEs into GYM ... eleginoides) in Subarea 48.3. The method requires only very small adjustments to the computer program ... most recent years, and that the trend in biomass predicted by the GYM had shown a smaller decline ... standardised CPUE trends with those trends predicted by the GYM ailalyses, in each of the last three years WG ... catches. Recruitme~~ts in future years and in determining the age composition of the population at the ... the future, the number of years for such projections being specified in the CCAMLR criteria. The ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 65–74 : Автор(ы): Kirkwood, G.P. and A.J. Constable
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Progress report on the Weddell Sea Research Program Stage II
Abstract: Results of longline survey on Antarctic toothfish in the Weddell Sea (Stage II) are ... presented in the paper. Options I and II of the survey were carried out from February 10 to February 22 ... , 2014. A total of 34 longlines were set: the Option I – 10+20 and the Option II – 4 at the depths ... result of the Research program Stage II the entire measured biomass of the Antarctic toothfish in the ...
Meeting Document : WG-SAM-14/05 : Автор(ы): A.F. Petrov, I.I. Gordeev, S.V. Pianova and E.F. Uryupova (Russia)
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