Resultados de la búsqueda
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Fishes incidentally caught by Japanese Antarctic krill commercial fishery to the north of the South Shetland Islands in February 1997
Niitaka Maru were made from 1 to 23 February, 1997 to the north of the South Shetland Islands. Among 80 ... hauls examined, a total of 61 specimens belonging to 4 families and 7 species, Electrona antarctica (50 ... hauls. Except for one channichthyid juvenile of Neopagetopsis ionah, by-catch fishes were referred to ... , Electrona antarctica of the Myctophidae was the most abundant. This species was found in 12 hauls, and its ...
Meeting Document : WG-EMM-97/72 : Autor(es): Iwami, T., Ichii, T., Naganobu, M., Kawaguchi, S.
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On the consequences of differentiating between adult and sub-adult survival rates in the krill-predators model
growth rates, thus solving problems of lack of self-sustainability encountered in earlier model analyses ... split of the overall density dependence effect between the first year and following sub-adult years of ... life. Since evaluations of the level of resilience of a predator to krill fishing depend on the values ... annual population growth rate of 10%. Author(s): Butterworth, D.S., Thomson, R.B. Title: On the ...
Meeting Document : WG-EMM-95/39 : Autor(es): Butterworth, D.S., Thomson, R.B.
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Technical Specifications of Fish Heaven: version 2.1.5
Abstract: These are the technical specifications of the software Fish Heaven: version 2.1.5. The ... specifications include a description of the object structure of the model, the process structure of the model and ... a mathematical description of the model. Author(s): Ball, I. Title: Technical Specifications of ...
Meeting Document : WG-FSA-SAM-04/15 : Autor(es): Ball, I.
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Dense populations of the Antarctic scallop (Adamussium colbecki) in Terra Nova Bay (Subarea 88.1J): potential VMEs adjacent to the Terra Nova Bay ASPA (No. 161)
Abstract: Benthic communities of the Terra Nova Bay area (Ross Sea) close to the Italian station ... Mario Zucchelli is located, have been largely investigated in the last couple of decades. All the ... acquired knowledge supports the presence of very rich and diversified communities. This has led to the ... establishment of an ASPA (N° 161). The Antarctic scallop, Adamussium colbecki (Smith, 1902), is one of the most ...
Meeting Document : WG-EMM-12/23 : Autor(es): M. Chiantore and M. Vacchi (Italy)
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Review of fishery monitoring and forecast procedures
Abstract: The Secretariat monitors the catches of all target and by-catch species (or species ... closed 68 fishing areas, and the total catches of Dissostichus in areas closed using the forecast model ... averaged 98.5% of the relevant catch limits. The forecast model relies on the assumption that the fishery ... the prediction. Using this prediction approach assumes that there will be underruns and overruns of ...
Meeting Document : WG-SAM-13/06 : Autor(es): Secretariat
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Nine years of tag-recapture in CCAMLR Statistical Subarea 48.3 – Part I: General data characterisation and analysis
Abstract: This paper presents an analysis of data gained from a nine-year tagging programme of ... information gained about biology, growth and movement of Patagonian toothfish, and explains the overlap of ... tagging length distributions with those of the landed catch and survey data. The characterisation of tag ... ) Title: Nine years of tag-recapture in CCAMLR Statistical Subarea 48.3 – Part I: General data ...
Meeting Document : WG-SAM-14/35 : Autor(es): M. Soeffker, C. Darby and R.D. Scott (United Kingdom)
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Report on the survey in Subarea 48.2 in 2015 (the first year of the planned 3-year-old investigations)
longliner SIMEIZ. 29 sets were completed during the survey. Altogether 157 specimens of Dissostichus mawsoni ... and 21 specimens of Dissostichus eleginoides were tagged. 124 otolith pairs of Dissostichus mawsoni ... and 87- Dissostichus eleginoides were collected. The average sizes of Dissostichus mawsoni from the ... catches made up about 156 cm. Investigated maturity stages and stomach composition of Dissostichus spp ...
Meeting Document : WG-FSA-15/43 Rev. 1 : Autor(es): Delegation of Ukraine
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Diet composition of Antarctic toothfish
determined. Sampling efforts were made during a longline survey of pre-recruit toothfish from commercial ... muscle tissue of Antarctic toothfish, bycatch specimen and icefish in the stomachs indicated a trophic ... connection between the toothfish and icefish. In this study, similarities in the δ13C values δ15N values of ... Antarctic toothfish indicate they occupy same trophic position irrespective of the area, body size, sex, and ...
Meeting Document : WG-FSA-16/06 : Autor(es): Delegation of the Republic of Korea
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On the problem of fish tagging
Abstract: Data on bottom trawl catch of tagged fish are presented as well as results of tagging ... of some Antarctic fish in Subarea 88.1. Use of marked trawl hooks as an additional method of fish ... tagging is proposed for discussion. Author(s): V.G. Prutko (Ukraine) Title: On the problem of fish ...
Meeting Document : WG-FSA-03/50 : Autor(es): V.G. Prutko (Ukraine)
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Polish krill fishery in the 1991/92 and 1992/93 seasons results of catches and biological investigations
, attained in the 1992/1993 season. The report presents an analysis of Polish krill catches in the 1991/1992 ... and 1992/1993 seasons. CPUEs by month in individual subareas of the Atlantic sector of the Antarctic ... were calculated. The results of biological investigations of krill on the fishing grounds of the South ... ) Title: Polish krill fishery in the 1991/92 and 1992/93 seasons results of catches and biological ...
Meeting Document : WG-Krill-94/09 : Autor(es): J. Sosinski and Z. Cielniaszek (Poland)