Search results
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Analysis of results from demersal fish surveys at South Georgia, undertaken by the United Kingdom and the USSR, January and February 1990
WG-FSA-90/13 ANALYSIS OF RESULTS FROM DEMERSAL FISH ... of the workshop and a report, in preparation for the next CCAMLR Working Group on Fish Stock Assessment meeting ... . Detailed information will be presented at the 1991 meeting of the CCAMLR Working Group on Fish Stock ... survey to be tabled in 1991 at the meeting of the CCAMLR Working Group on Fish Stock Assessment, would ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 223–254 : Author(s): (Report of a Joint UK/USSR Workshop, 23 to 27 July 1990)
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1989/90 stock status and TAC assessment for Champsocephalus gunnari in Subarea 48.3 (South Georgia)
Paper Title: 1989/90 stock status and TAC assessment for Champsocephalus gunnari in Subarea 48.3 ... (South Georgia) Abstract / Description: The 1989/90 stock status and TAC assessment for Champsocephalus ... ) using standardized fishing effort. For the beginning of the 1989/90 fishing season, the stock ... 1989/90 stock status and TAC assessment for Champsocephalus gunnari in Subarea 48.3 (South Georgia) ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 15–27 : Author(s): Frolkina, Zh.A. and P. Gasyukov
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Information on the status of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in the lower South Shetland Islands, derived from the 2000–2006 monitoring program at Potter Cove
/79 to 1989/90. A decrease in recruitment to the inshore subpopulations of Notothenia rossii ... of the nototheniids mentioned at these localities, this study aims to provide infor- mation on the status ... a principios de la década de los 80, mientras que el nivel de G. gibberifrons ha seguido disminuyendo y está ... coriiceps, by catch date (Epanenchikov kernel, bandwidth = 0.15), together with the observed split-year ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 83–87 : Author(s): Barrera-Oro, E.R. and E.R. Marschoff
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Precautionary measures for a new fishery on Martialia hyadesi (Cephalopoda, Ommastrephidae) in the Scotia Sea: an ecological approach
presents a revision of annual consumption of the species by higher predators and provides a brief review ... and provides a brief review of information about the life cycle and distribution of the species obtained from ... of the species by higher predators and provides a brief review of information about the life cycle ... research cruise. The modal ML of the South Georgia specimens collected in June 1996 was 290 mm, about 80 ... Back-calculated hatching dates of a small sub-sample of adult squid that were aged from samples taken ... as this infers that the spawning season would alternate between generations. Date of Drift 17/18 June 18/19 ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 125–139 : Author(s): Rodhouse, P.G
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Is the attempt to estimate the biomass of Antarctic fish from a multi-species survey appropriate for all targeted species? Notothenia rossii in the Atlantic Ocean sector – revisited
recruiting to the adult stock. Larger fi sh, abundant before commercial exploitation occurred in 1979/80 ... was heavily fi shed in 1979/80. More than 18 763 tonnes of N. rossii were reported as having been taken ... in that season (CCAMLR, 1990). The annual catch taken in 1979/80 exceeded the biomass estimate of 15 663 tonnes ... . These observations were consistent with the dramatic decline of adult fi sh following heavy fi shing in 1979/80 ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 141–153 : Author(s): Kock, K.-H., M. Belchier and C.D. Jones
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Target strength studies on Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea
in the Ross Sea. Pleuragramma antarcticum belongs to the cat- egory of non-swimbladder animals that, unlike ... performance are very different. Acoustic studies of animals without a swimbladder have not been conducted ... in the water column adjusting the volume of their swimbladder. The swimbladder accounts for over 90 ... , except the sV threshold that was set higher (–80 dB re m–1) in ex situ experiments because the targets ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 75–104 : Author(s): Azzali, M., I. Leonori, I. Biagiotti, A. De Felice, M. Angiolillo, M. Bottaro and M. Vacchi
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Use of the Leslie stock depletion model for the assessment of local abundance of Patagonian toothfish (Dissostichus eleginoides)
the fishery. The total reported annual catch peaked at just over 8 000 tonnes in 1989/90. Since ... of significant levels of unreported catch from Subarea 48.3. At its 1995 meeting the CCAMLR Working Group ... of the toothfish fishery in Subarea 48.3 at its annual meetings since the start of the fishery. Since 1991 ... data and the Chilean studies to provide a review of the methodology and its applicability ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 55–77 : Author(s): Parkes, G., C.A. Moreno, G. Pilling and Z. Young
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Geographical differences in the condition, reproductive development, sex ratio and length distribution of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR Subarea 88.1)
break South shelf North South break South shelf North South break South shelf 100 90 80 70 60 ... consistently participated in that fishery since the 1999/2000 season. This initial descriptive review, based ... been restricted to the period between mid-December to early April. This was done to pro- vide ... and February 2005. Specific sampling dates by area are shown in Figure 7. Even with this spread of sampling ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 27–45 : Author(s): Fenaughty, J.M
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The utilization of seabird censuses for krill monitoring
the pressure of fisheries. It was the case with whales, seals, fishes, etc. While the mentioned species ... . In the Reports of previous meetings of the Working Group on Ecosystem Monitoring a list of interesting ... Ed. McGraw-Hill Book Company, New York. - 408 - Table 1. Eigenvalues obtained from ... Psygoscelis spp. in decreasing order. Log transformed data. ·90: I I I I I I I I I I .72 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 393-425 : Author(s): Marschoff, E.R., J.G. Visbeek and L.R. Fontana
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From the Editor
an SDWBA model in conjunction with the Jolly and Hampton analysis approach. This approach pro- vides ... process and acknowledges that, despite the best efforts of the peer-review process (and those ... detail- ing the science considered by CCAMLR in pro- gressing its ecosystem-based approach to fisheries ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 199