Résultats de la recherche

1. On the problem of icefish (Champsocephalus gunnari) vertical migration on the South Georgia shelf

   the maximum catches were available at the middle of the light hours of the day. At twilight the fish ... Abstract:  The results are presented of studying icefish vertical migration based on the data of R ... /V cruises during the seasons of 1982-83, 1983-84 and 1986-87, when this species was highly abundant ... concentrations migrate into the water column and the catches greatly decrease. The direct observations of icefish ...

   Meeting Document : WG-FSA-91/06 : Auteur(s): J.A. Frolkina and V.I. Shlibanov (USSR)

2. Age estimation and maturity of the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea

   Paper Title:  Age estimation and maturity of the ridge-scaled macrourid (Macrourus whitsoni) from ... the Ross Sea Abstract / Description:  Juveniles of the macrourid Macrourus whitsoni were collected by ... the NIWA research vessel Tangaroa during the BioRoss survey of the western Ross Sea and Balleny ... Islands in 2004. Intensive analysis of otoliths from these specimens greatly increased confidence in the ... validation: the state of the art. Fish. Res., 51 (2–3): 377–383. Pearson, H.S. and H.O. Hartley. 1962 ... , growth, and mortality parameters of black cardinalfish (Epigonus telescopus) in QMA 2 (east coast North ... estimAtion And mAturity of the ridge-scAled mAcrourid (Macrourus whitsoni) from the ross seA P.M. Marriott ...  and M.J. Manning National Institute of Water and Atmospheric Research (NIWA) Ltd Private Bag 14 ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 291–303 : Auteur(s): Marriott, P.M., M.J. Manning and P.L. Horn

3. Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald Islands using catch-at-age and aged mark-recapture data from the main trawl ground

   Paper Title:  Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald ... adopted whereby the relatively long time series of catch-at-age and mark-recapture data from the main ... to 2008. A large proportion of the recaptures of fish released in this fishery were aged and these ... directly from the estimates of population numbers-at-age. The properties of these two models for estimation ... - ity of a stock when considered in combination with annual number of recruits, growth rate in body ... size and the age-at-maturity ogive. The integrated assessments using CASAL (Bull et al., 2005) of ... (D. mawsoni) in the Ross Sea (Subarea 88.1) (Dunn and Hanchet, 2007) apply a fixed value of M of ... 0.13 y–1 rather than estimate this parameter jointly with other model para meters. The use of a fixed ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 29–45 : Auteur(s): Candy, S.G., D.C. Welsford, T. Lamb, J.J. Verdouw and J.J. Hutchins

4. Approaches to evaluating and testing of CEMP methods for parameters A1, A5 and A7

   description of foraging trip duration using the mean arising from a bimodal distribution of trip durations may ... Abstract:  The methods and presentation of CEMP parameters A1, A5 and A7 where evaluated using ... simulated time-series data. The effects of sampling timing and intensity during five-day periods for ... measures of arrival and fledging mass suggested that situations where sampling is distributed unevenly ...

   Meeting Document : WG-EMM-04/60 : Auteur(s): G. Watters (USA) and K. Reid (United Kingdom)

5. Comparison of equal-area cylindrical and circular piston transducers

   index and on-axis sensitivity loss due to curvature of the cylindrical transducers, referred to as the ... curvature loss. Under identical conditions of excitation, isotropic ambient noise, and detection threshold ... Abstract:  Design of sondes for in situ measurement of zooplankton or other scatterers requires ... choosing among alternative transducer geometries. This contribution addresses the problem of choosing ...

   Meeting Document : WG-EMM-95/08 : Auteur(s): Foote, K.G.

6. Age distribution of breeding female Antarctic fur seals in relation to changes in population growth rate

   -1972. Exponential models fitted to the frequency distribution of age-classes greater than age 5 years ... Abstract:  The age distribution of breeding female Antarctic fur seals at Bird Island, South ... Georgia, in 1988 was compared with the age distribution of a sample obtained in 1971-1973. The mean age in ... ), which was significantly lower than in 1971-1973. Indicators of population size suggested that population ...

   Meeting Document : WG-CEMP-91/21 : Auteur(s): I.L. Boyd, N.J. Lunn, P. Rothery and J.P. Croxall (United Kingdom)

7. Analysis of the Chilean operation in the Antarctic krill fishery, years 2017/18

   of the ship between extraction zones during each fishing trip are described Author(s):  P.M. Arana ... Abstract:  This paper provides a summarized description and analysis of the activities carried out ... by the Chilean krill fishing ship Antarctic Endeavour throughout its first year of operation (2017 ... the production of krill meal. Effort, catch and CPUE, and the length frequency distributions of ...

   Meeting Document : WG-EMM-2019/09 : Auteur(s): P.M. Arana and R. Rolleri

8. Seasonal variation in acoustic estimates of krill density at South Georgia during 2001/2002

   (middle), and one in May 2002 (late). The surveys were the second in a five-year series of observations ... Abstract:  Four separate acoustic surveys of Antarctic krill (Euphausia superba) were conducted ... designed to complement and extend an existing time series of summer surveys maintained by the British ... South Georgia have revealed a similar pattern of change to that observed in 2000/2001 and highlight the ...

   Meeting Document : WG-EMM-02/39 : Auteur(s): C. Goss, S.A. Grant, N. Cunningham, J.L. Watkins, P.N. Trathan, E. Murphy and K. Reid (United Kingdom)

9. Comparative feeding ecology of Patagonian toothfish (Dissostichus eleginoides) in the southwestern Atlantic

   Paper Title:  Comparative feeding ecology of Patagonian toothfish (Dissostichus eleginoides) in ... the southwestern Atlantic Abstract / Description:  The diet of Patagonian toothfish (Dissostichus ... Argentinian continental shelf/slope, the length of D. eleginoides ranged from 30 to 95 cm total length (TL ... juvenile and adult stages, and ranged between 18 and 212 cm TL. The diets of fish of various sizes and both ... been reported by Otero et al. (1982) during spring to the east of Isla de los Estados (55"S, 63"W ... (Lloris a n d Rucabado, 1991). Even though Yukhov (1972), based o n data from the analysis of sperm ... ., 45: 507-520. Garcia de la Rosa et al. Yukov, V.L. 1972. The range of fish of the genus Zhivov ... FEEDING ECOLOGY OF PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) IN THE SOUTHWESTERN ATLANTIC S.B ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 105–124 : Auteur(s): García de la Rosa, S.B., F. Sánchez and D. Figueroa

10. RESULTS OF THE RESEARCH PROJECT TO DIGITIZE HISTORICAL SOVIET KRILL FISHING EXPEDITION DATA

    expeditions in Southern Ocean between the years of 1972-1991. The main purpose of these expeditions was to ... commercial expedition’s data has been realized in Ukraine at the Southern Research Institute of Marine ... Fisheries and Oceanography of the Ukraine State Fishery Committee and at the Taras Shevchenko National ... University of Kyiv. This valuable set of krill data was collected during Soviet Union krill-fishing ...

    Meeting Document : CCAMLR-XXVIII/BG/18 : Auteur(s): Delegation of Ukraine

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