Résultats de la recherche

1. Results of the third CCAMLR sponsored research survey to monitor abundance of subadult Antarctic toothfish in the southern Ross Sea, February 2014 and development of the time series

   Abstract:  At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... provide results of the third survey in the time series. The objectives of this third survey were: (1) To ... area to identify areas of high subadult abundance which could be included as strata in future annual ... significantly different. Age frequency data from the surveys have shown the progression of a cohort from age 7 ...

   Meeting Document : WG-FSA-14/51 : Auteur(s): S. Mormede, S.J. Parker, S.M. Hanchet, A. Dunn (New Zealand) and S. Gregory (United Kingdom)

2. Investigation of the sensitivity of the Ross Sea toothfish assessment to withholding subsets of the available data

   CCAMLR areas using integrated statistical catch-at-age stock assessment models. These models were ... model outputs of withholding from a stock assessment between one and eight years of age frequency and/or ... tag recapture data. Examining the impact of considering a subset of the available data simulates both ... the effect of not updating an assessment every year, and also the evolution of stock assessments with ...

   Meeting Document : WG-SAM-11/17 : Auteur(s): S. Mormede (New Zealand)

3. CCAMLR-XXXIV

   Schedule for the Thirty-fourth Meetings of the Commission and the Scientific Committee ...

   Meeting

4. Size compositions of males and females in the course of the life cycle of Euphausia superba

   Paper Title:  Size compositions of males and females in the course of the life cycle of Euphausia ... of Euphausia superba populations by sex and its seasonal variability. In this paper variations in ... size and sex composition of samples from commercial catches are analyzed over the reproductive season ... , using samples from different years. The observed variations were related to stages of krill maturity ... observations revealed considerable variations in relative size of males and females at different reproductive ... catches in different seasons and areas were analyzed for size of males and females at different stages of ... non-mature or at the beginning of maturation (lIB, ma-me); B ready for spawning with developed ... usually made it possible for the sex of larvae at stages Furcilia V and VI to be determined. Larvae were ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 3–16 : Auteur(s): Makarov, R.R.

5. Feeding patterns of nine species of Antarctic fish and assessment of their daily food consumption

   Paper Title:  Feeding patterns of nine species of Antarctic fish and assessment of their daily ... food consumption Abstract / Description:  Little is known about the feeding patterns of non-commercial ... 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 ... , but the level of krill consumption by these species might be substantial. This study was aimed at ... specimens were taken from the depth range 300 to 350 m at a rate of one sample each 4 hours. Biological ... Montgomery et al., 1989). In this case, food evacuation rate is: dS =-AS dt where S - amount of food at ... ) - amount of food at time t = O. 323 Equation (2) clearly shows that 90% of food is evacuated over a ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 321–333 : Auteur(s): Pakhomov, Y.A. and V.B. Tseitlin

6. A review of the trophic role of mesopelagic fish of the family Myctophidae in the Southern Ocean ecosystem

   Paper Title:  A review of the trophic role of mesopelagic fish of the family Myctophidae in the ... Southern Ocean ecosystem Abstract / Description:  Results of research into the trophic relationships of ... myctophids demonstrate that this group of mesopelagic fish plays a significant role in the community of ... Southern Ocean marine organisms. Myctophids have the trophic status of zooplankton consumers. The large ... the food supply at various stages of these fishes' development are adequate because the waters of ... was calculated at 15 times its body weight with a daily intake of 4% body weight (Gerasimova, 1990 ... times body weight per annum) can be estimated at 157 to 364 million tonnes. The impact of predators ... trophic relationships of predators. It should be pointed out that at present there are insufficient data ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 71–77 : Auteur(s): Kozlov, A.N

7. Brief report of the joint Soviet-Australian expedition of the USSR FRV Professor Mesyatsev to the Australian fishing zone around the territory of Heard and McDonald Islands, May-August, 1987

   Paper Title:  Brief report of the joint Soviet-Australian expedition of the USSR FRV Professor ... Mesyatsev to the Australian fishing zone around the territory of Heard and McDonald Islands, May-August ... , 1987 Abstract / Description:  The results of the first joint Soviet-Australian expedition to the AFZ ... around Heard and McDonald Islands are briefly reported. Environmental conditions of the shelf area of ... was most distinct in the layer deeper than 120m. Low catches at the end of July are related to the ... yield annually 6000 tonnes at the beginning of commercial exploration. Because of the short research ... three occasions in this area individual fur seals were observed. These seals were at the surface of ... - 75 - SC-CAMLR-VI/BG/16 BRIEF REPORT OF THE JOINT ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 75-103 : Auteur(s): Gherasimchook, V.V., V.N. Brodin, A.V. Kljausov, I.B. Russelo, P.V. Tishkov and N.B. Zaremba

8. Natural mortality of grey rockcod (Notothenia squamifrons) in various areas of the Indian sector of the Southern Ocean

   Paper Title:  Natural mortality of grey rockcod (Notothenia squamifrons) in various areas of the ... Indian sector of the Southern Ocean Abstract / Description:  The rate of natural mortality of grey ... empirical relationship between M and age at maturity for most fish (tn) where 50 or 70% of a population ... at maturity for most fish was determined for a population with 50% of mature fish. The values of tn ... at maturity for most fish (70%). This does not take into account primary causes of natural mortality ... . GERASIMCHOOK, V.V. 1987. Age, Growth and Natural Mortality of Antarctic Silverfish. Theses of a Report at the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 141–146 : Auteur(s): Zaitsev, A.K.

9. Methodological guidelines on the assessment of trawl catchability of krill by means of statistical modelling

   Paper Title:  Methodological guidelines on the assessment of trawl catchability of krill by means ... of statistical modelling Abstract / Description:  This paper offers an approach to the assessment of ... the relative effectiveness of krill fishing gear by means of statistical modelling. The Monte-Carlo ... assessment of complex stochastic systems, including the assessment of the effectiveness of trawl nets used in ... THE ASSESSMENT OF TRAWL CATCHABILITY OF KRILL BY MEANS OF STATISTICAL MODELLING Z.I.Kizner (U. S ... . S. R.) Abstract This paper offers an approach to the assessment of the relative effectiveness ... of krill fishing gear by means of statistical modelling. The Monte-Carlo method, which is described ... Monte-Carlo method is useful for solving problems related to the quantitative assessment of complex ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 195-222 : Auteur(s): Kizner, Z.I.

10. Methodology of data collection on net selectivity and accidental mortality of fish passing through the mesh of the codend

    Paper Title:  Methodology of data collection on net selectivity and accidental mortality of fish ... passing through the mesh of the codend Abstract / Description:  This paper contains advice on determining ... specifications of the liner are described. It also describes an experiment to determine the accidental mortality ... of fish passing through the trawl codend. It contains proposals on standardising data collection and ... - 99 - SC-CAMLR-V/BG/41 METHODOLOGY OF DATA COLLECTION ... ON NET SELECTIVITY AND ACCIDENTAL MORTALITY OF FISH PASSING THROUGH THE MESH OF THE COD END VNIRO ... codends using a special liner. The design and technical specifications of the liner are described. It ... also describes an experiment to determine the accidental mortality of fish passing through the trawl ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 99-121 : Auteur(s): VNIRO (USSR)

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