Resultados de la búsqueda
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Preliminary results of age determination of the Dissostichus spp. from the longline catches in 48.2 Subarea (2015, SIMIIZ)
prevailed: their age ranged from 15 to 35 years for both species. Author(s): Delegation of Ukraine Title ... sampled; one otolith from each pair was used for age determination. Preliminary results of age ... Abstract: Age determination of the Patagonian (Dissostichus eleginoides) and Antarctic toothfish ... determination of the caught fish showed that, in the studied fishing area, specimens of older age groups ...
Meeting Document : WG-FSA-15/46 : Autor(es): Delegation of Ukraine
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Age and growth in length of Micromesistius australis, Norman, 1937 (Pisces, Gadidae), in the southern zone of the Argentine Sea
)] giving Lt in cm and t in years. For the estimation of the general equation parameters the first 15 age ... Herwig and Shinkai Marú in agreement with the Argentine Republic, in the years 1978 and 1978/79 ... respectively. For the interpretation of the growth rings, the otoliths were previously subjected to the ... paraffin inclusion and cutting technique. A distribution of length frequencies for each sex was made. A ...
Meeting Document : SC-CAMLR-V/BG/31 : Autor(es): Delegation of Argentina
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A Comparison Between Age Determinations of the Antarctic Fish Notothenia gibberifrons Lönnberg Using Scales and Otoliths
derived from scales are approximately 30% greater than predictions utilising age data derived from ... were interpreted 60% of scale readings and 30% separate and simultaneous interpretations. Estimates of ... age tend to be lower when made from scales. Predictions of yield per recruit utilising age data ... ) Title: A Comparison Between Age Determinations of the Antarctic Fish Notothenia gibberifrons Lönnberg ...
Meeting Document : WG-FSA-89/13 : Autor(es): R. Coggan (United Kingdom), K. Skora (Poland), A. Murray and M. White (United Kingdom)
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Mackerel icefish size and age at South Georgia and Shag Rocks
(Spring). Mean total lengths (TL) of age-classes were determined for each year by examining length ... not statistically different. Age-class 1 was found for all surveys at South Georgia but was absent for ... 3 years at Shag Rocks, potentially indicating greater recruitment variability at Shag Rocks. Age ... of age-classes were standardized to a common day of the year (16 January) based on the Bertalanffy ...
Meeting Document : WG-EMM-03/7 : Autor(es): A.W. North (United Kingdom)
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Validation of age determination in Notothenia coriiceps, by means of a tag-recapture experiment at potter cover, South Shetland Islands
Shetland Islands, in successive years from 1989 to 1992, 9 were recaptured at the same site after periods ... closely spaced sclerites zones, which corresponded with an elapse of two winter seasons. The comparative ... ): E.R. Barrera-Oro and R.J. Casaux (Argentina) Title: Validation of age determination in Notothenia ...
Meeting Document : WG-FSA-94/12 : Autor(es): E.R. Barrera-Oro and R.J. Casaux (Argentina)
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Exploring age and growth dynamics of a historically overfished Sub-Antarctic fish species: The grey rockcod (Lepidonotothen squamifrons) in the vicinity of Heard Island and McDonald Island
, condition, selectivity and age structure. Using otoliths, maximum age estimates have increased by 5 years to ... elucidated for the first time. Author(s): D. Maschette, D.C. Welsford and C. Gardner (Australia) Title ... : Exploring age and growth dynamics of a historically overfished Sub-Antarctic fish species: The grey rockcod ...
Meeting Document : WG-FSA-15/51 : Autor(es): D. Maschette, D.C. Welsford and C. Gardner (Australia)
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Growth of mackerel icefish (Champsocephalus gunnari) and age-size composition of populations in subarea of South Georgia
were studied for different periods. The analysis of age composition of icefish in subarea 48.3 showed ... represented by fish of two contiguous age groups. It was shown that in the 1980s during a number of years the ... Abstract: Age, growth rate and age composition of icefish catches in subareas 48.3, 48.2, 48.1 ... that the catches consisted mainly of individuals of 2-4 age groups, where more than 60% were ...
Meeting Document : WG-EMM-03/60 : Autor(es): K.V. Shust and E.N. Kuznetsova (Russia)
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Growth of mackerel icefish (Champsocephalus gunnari) and age-size composition of population in subarea of the South Georgia
were studied for different periods. The analysis of age composition of icefish in subarea 48.3 showed ... represented by fish of two contiguous age groups. It was shown that in the 1980s during a number of years the ... Abstract: Age, growth rate and age composition of icefish catches in subareas 48.3, 48.2, 48.1 ... that the catches consisted mainly of individuals of 2-4 age groups, where more than 60% were ...
Meeting Document : WG-FSA-SAM 03/7 : Autor(es): K.V. Shust and E.N. Kuznetsova (Russia)
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Age and growth of Antarctic Euphausiacea (Crustacea) under natural conditions
Peninsula and the southeastern Weddell Sea. Life spans range from two years for Euphausia frigida to six ... years for the krill Euphausia superba. Growth in length and weight was calculated by non-linear ... eastern Weddell Sea. Former opinions that differ are discussed. Seasonal growth was re-analyzed for the ... spawn at least twice and in some cases three times during their life, except for E. frigida which spawns ...
Meeting Document : SC-CAMLR-VI/BG/24 : Autor(es): V. Siegel (FRG)
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Age determination of Champsocephalus gunnari taken from the South Georgia area in 1990 (available in Russian only)
Author(s): P.N. Kochkin (VNIRO, USSR) Title: Age determination of Champsocephalus gunnari taken ...
Meeting Document : WG-FSA-90/33 : Autor(es): P.N. Kochkin (VNIRO, USSR)