Search results
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A stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea Region incorporating multi-year mark-recapture data
rates were excluded from the model. As a result, the use of the ‘selected’ trips dataset results ... Science, 15: 1–34. Chapman, D.G. and D.S. Robson. 1960. The analysis of a catch curve. Biometrics, 16 ... three methods: Chapman and Robson (1960), Hoenig (1983) and Punt et al. (2005). Catch-at-age data ... Paper Title: A stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross ... longline fishery for Antarctic toothfish (Dissostichus mawsoni) has been carried out in the Ross Sea region ... hence a multi-year mark-recapture tagging program was initiated by New Zealand fishing vessels in 2001 ... , and tagging has been an ongoing requirement for all vessels fishing in the fishery since 2004 ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 39–62 : Author(s): Mormede, S., A. Dunn and S.M. Hanchet
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Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic Peninsula region
season indicating a missing of a middle aged class (see below). 3.2 Biomass Krill biomass was mapped ... analysis in Figure 11. Season 1987/88 1989/90 InN 1+ 24.92 (29.84)* 24.88 (29.02)* 2+ 28.87 27.96 ... oME89/90 28 z27 .E 26 25 In N(87) = 29.9 - 0.88 AG InN(90)=30.8-0.96AG / 24 ... Paper Title: Estimation of krill (Euphausia superba) mortality and production rate in the ... data of an identical survey with RV Polarstern in 1987/88. Seasonal variation between summer and winter ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 159–176 : Author(s): Siegel, V.
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An assessment of CCAMLR measures employed to mitigate seabird mortality in longlining operations for Dissostichus eleginoides around South Georgia
place, and as far as possible to cover the early, middle and late stages of Assessment of CCAMLR ... Paper Title: An assessment of CCAMLR measures employed to mitigate seabird mortality in ... longliner, the BF Cisne Verde, fishing in CCAMLR Subarea 48.3 during the 1996/97 season. In this study 61 ... lines were laid from March to May 1997 using the Spanish double-line method. In accordance with CCAMLR ... streamer line in mitigating incidental mortality of seabirds during night-time setting. Data were recorded ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 217–230 : Author(s): Ashford, J.R. and J.P. Croxall
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Depth distribution and spawning pattern of Dissostichus eleginoides at South Georgia
with a spline- smoothed function of mean depth and factors for month, area and vessel: 1996 (top), 1997 (middle ... Abstract / Description: Trends in mean length and maturity stage of Patagonian toothfish (Dissostichus ... in addition to a major spawning event in late July/August, there may be a small spawning event in ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 19–36 : Author(s): Agnew, D.J., L. Heaps, C. Jones, A. Watson, K. Berkieta and J. Pearce
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By-catch, growth and feeding of Antarctic juvenile fish taken in krill (Euphausia superba Dana) fisheries in the South Georgia area, in 1992
of juvenile fish. eastern shore of the islands (Everson et al., 1991). Their results also show ... Paper Title: By-catch, growth and feeding of Antarctic juvenile fish taken in krill (Euphausia ... superba Dana) fisheries in the South Georgia area, in 1992 Abstract / Description: This paper discusses ... an investigation of juvenile Antarctic fish caught during krill fishing by the FV Grigory Kovtun in ... the area around South Georgia from May to July 1992. Two species were predominant in the by-catches ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 129–142 : Author(s): Pakhomov, E.A. and S.A. Pankratov
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Preliminary model of krill fishery behaviour in Subarea 48.1
~ ~ H B M H ~ C T O H H 3JIeaaHT B YepeAyWqHeCR TOAbI, IIpMBeAeT K CpeAHeMy roAoBOMy BbIn ... OBy, K O T O P ~ I ~ ~ 6 y ~ e T aHanormeH cospeMeHHoMy. T ~ M He MeHee, B TOM cnyqae B TerIeHMe YepeAymwHxcrr neT BbIn ... , steaming or lost to bad weather, was 89.6 hours per vessel per 10-day period (number of 10-day-periods ... (AHTKOM, 1993), CBeAeHHOe K 0 6 ~ e M y BbInOBy 12 880 TOHH. TaGnw~a 5: Pacnpenene~~e ynosoe ... Paper Title: Preliminary model of krill fishery behaviour in Subarea 48.1 Abstract / Description ... : A simple model of the behaviour of the krill fishery in FAO Statistical Subarea 48.1 (South Shetland ... catches in the subarea. A number of management scenarios are considered which involve the closure of (i) a ... Elephant Islands in alternate years would result in an average yearly catch similar to that at present ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 71–79 : Author(s): Agnew, D.J. and V.H. Marín
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Analysis of changes in biomass of fish stocks in the South Georgia area in 1976/77-1986/87
Paper Title: Analysis of changes in biomass of fish stocks in the South Georgia area in 1976/77 ... -1986/87 Abstract / Description: The swept area method was used to estimate biomass density changes in ... georgianus, Notothenia gibberifrons and Notothenia rossii marmorata) in the South Georgia area in the seasons ... 1976/77-1986/87. In most of the seasons analysed, the estimates covered a near-bottom layer in about 1 ... CHANGES IN BIOMASS OF FISH STOCKS IN THE SOUTH GEORGIA AREA IN 1976/77-1986/87 M. Mucha and W ... . Slosarczyk (Poland) Abstract The swept area method was used to estimate biomass density changes in the ... ~eorgianus, Notothenia gibberifrons and Notothenia ross1i marmorata) in the South Georgia area in the ... seasons 1976;77-1986/87. In most of the seasons analysed, the estimates covered a near-bottom layer in ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 185-211 : Author(s): Mucha, M. and W. Ślósarczyk
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Estimates of fish stock biomass around South Georgia in January/February 1985
l f with some larger concentrations in Royal Bay and the station on the eastern shelf where C. gunnari ... Paper Title: Estimates of fish stock biomass around South Georgia in January/February 1985 ... Abstract / Description: Catch data from a bottom trawl survey in January/February 1985 have been used to ... reduction in stock size to 10 – 20% of that estimated before the onset of heavy fishing. In C. gunnari the ... CCAMLR in 1984 are discussed. Their effect on a recovery of the stocks seems, however, doubtful. File ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 1-32 : Author(s): Kock, K.-H.
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Feeding patterns of nine species of Antarctic fish and assessment of their daily food consumption
~OB B ~eJlSlx H3YlleHHSI HX CYTOllHoro pa~HOHa. O~Ha CYTOllHaSl CTaH~HSI 6blJla BbInOJlHeHa B Mope ... for the waters of eastern Antarctica, which has a mean biomass density in the order of 4.6 to 5.1 thousand km2 ... fish species in Antarctic waters. The aim of this study is to collect information on the feeding ... patterns of several commercially non-targeted species in the Indian Ocean sector of the Southern Ocean ... station was carried out in the Kosmonavtov Sea (67°50'S; 41°24'E) in March 1988. All samples ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 321–333 : Author(s): Pakhomov, Y.A. and V.B. Tseitlin
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Sources of variance in studies of krill population genetics
their SSCPs. The PCR products for individuals that had lost the Rsa I site used in the SSCP assay, so ... Paper Title: Sources of variance in studies of krill population genetics Abstract / Description ... : There has been a long-term interest in the population genetics of Antarctic krill species because of ... resurgence of interest in identifying distinct stocks of swarming krill species has been driven by the ... population structure. More recent investigations using sequence variation in mitochondrial DNA (mtDNA) have ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 107–116 : Author(s): Jarman, S.N. and S. Nicol