Résultats de la recherche

1. Areas of seabed within the 500 m isobath around Elephant Island (Subarea 48.1)

   published by Everson (1987) based on work requested by the BIOMASS Estimates of areas of seabed within ... selected Program in the early 1980s. Refinements to d e p t h r anges a r e crucial for t h e des ... ign a n d analysis of bo t tom t rawl surveys t o est imate estimates for the shelves of South ... Everson Estimates for the western Atlantic sector of the and Campbell (1990) and Kock (1986). Kock ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 131–135 : Auteur(s): Kock, K.-H. and U. Harm

2. Interaction of marine mammals with the longline fishery around the Kerguelen Islands (Division 58.5.1) during the 1995/96 cruise

   longliners fishing for Patagonian toothfish (Dissostichus eleginoides) to the west of the Kerguelen Islands ... ). These seals are responsible for the loss of 0.75 % of toothfish during the longline sets in which ... particularly attractive for marine mammals because they provide an easily accessible source of food and the ... longline hauls (Table 1). Interactions were noticed for only 16 of the 30 hauls. During these hauls, fur ... , France Abstract The only interaction observed between longliners fishing for Patagonian tootl~fish ... occurred with the Antarctic fur seal (Auctocephalus gazella). These seals are responsible for the loss of ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 171–174 : Auteur(s): Capdeville, D

3. Indices of prey availability near the Seal Island CEMP site: 1990 to 1996

   surveys each year were subsampled to include the foraging range of predators breeding at Seal Island ... relative biomass of juvenile krill near Seal Island during the first survey of each year as compared to the ... biomass of post-spawning adults near Seal Island during the second survey of each year. It is hoped that ... (Figures 3 and 4). Two surveys were selected for each year, details of which are listed in Table 1. For ... for each year. Designation 3 and 4 D D D D D D Dates 6 - 11 Jan, 21 - 26 Jan 21 - 31 ... Seal Island, and persistence over time. Acoustic data from two AMLR surveys each year were subsampled ... juvenile krill near Seal Island during the first survey of each year as compared to the biomass of post ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 37–45 : Auteur(s): Hewitt, R.P., G. Watters and D.A. Demer

4. Preliminary results of research activities of RV Evrika in the Scotia Sea in January-March 1988

   Sea and adjacent waters, accompanied by regular trawlings with an Isaac-Kidd trawl. The waters off ... in areas of the Atlantic Sector of the Southern Ocean identified for monitoring by CCAMLR. During the ... an Isaac-Kidd trawl. The waters off South Georgia in particular were surveyed twice. Research ... identified for monitoring by CCAMLR. During the observation season the zonal drift of waters of the ... characteristic for these waters. Many icebergs were Sighted in the area. Closed water circulation was found ... was rather smoothed, hence there were no required conditions for the formation of abundant krill ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 215-229 : Auteur(s): Maklygin, L.I., A.S. Fedorov, V.N. Shnar, Yu.A. Shulyakovsky, I.V. Krasovsky, Yu.D. Shuvaev and A.V. Kromsky

5. The use of predator-derived krill length-frequency distributions to calculate krill target strength

   performance is fundamental to an ecosystem-based approach to resource management. We propose a method using ... only a 1% difference, illustrating the need for simultaneous length-frequency data. By integrating data ... to be independent to avoid interrelated estimates. For South Georgia, there is a 20-year time ... ., 1999a), it would be insufficient to use, for example, an annual mean krill length frequency because ... 0.9% (1994) to 6.4% (1996) and is shown for all years in Table 1. There was a significant ... relationship between krill abundance and predator performance is fundamental to an ecosystem-based approach to ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 155–163 : Auteur(s): Reid, K. and A.S. Brierley

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

   of the problem and the development of an algorithm for its solution. A detailed description is given ... of statistical modelling Abstract / Description:  This paper offers an approach to the assessment of ... used as a basis. The Monte-Carlo method is useful for solving problems related to the quantitative ... of various configurations. The algorithm for solving this problem is constructed in such a way that ... problem and the development of an algorithm for its solution. A detailed description is given of the ... . S. R.) Abstract This paper offers an approach to the assessment of the relative effectiveness ... Monte-Carlo method is useful for solving problems related to the quantitative assessment of complex ... configurations. The algorithm for solving this problem is constructed in such a way that it can be applied ...

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

7. Can we satisfactorily estimate variation in krill abundance?

   :  Knowledge of abundance and rates of change of abundance are basic requirements for fisheries models. Catch ... per unit effort (CPUE) has traditionally been used in demersal fisheries assessments as an estimator ... of abundance. It is less satisfactory for pelagic fisheries. Evidence is given that CPUE estimated ... from data reported to the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR ... abundance and rates of change of abundance are basic requirements for fisheries models. Catch per unit ... effort (CPUE) has traditionally been used in demersal fisheries assessments as an estimator of ... abundance. It is less satisfactory for pelagic fisheries. Evidence is given that CPUE estimated from data ... reported to the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) does not ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 375-376 : Auteur(s): Everson, I.

8. Some specific features of the USSR krill fishery and possibilities of applying fishery statistics to studies of krill biology and stocks

   the vessel rather than with krill abundance in a certain area. During preparations for regular fishing ... -term behaviour patterns have an impact. All these factors limit the extent to which CPUE can be used in ... instrument for studies. File:  04-Dolzhenkov-et-al.pdf ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 237–252 : Auteur(s): Dolzhenkov, V.N., T.G. Lubimova, R.R. Makarov, S.S. Parfenovich and V.A. Spiridonov

9. Determination of Antarctic krill acoustic back-scattering cross-section

   -scattering for an individual krill for the given concentration : °0 . L~max I~max) ~n Lk2 -~-.- mln ... /Palm, = 20 103 • The echo signal level was determined with the help of an osciiograph which was ... Go is related quadratically to the length. For the target strength of an individual krill, the ... know the mean acoustical cross-section of back-scattering from an individual object CGJ. It is ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 141-152 : Auteur(s): Protaschuk, V.A. and T.A. Lukashova

10. Large-scale peculiarities of phytocenosis species composition in the surface layer in the Antarctic Atlantic and Indian Ocean sectors

    and various kinds of pumps providing continuous recordings of plankton composition are used for these ... . The inlet of the device was submerged to a depth of 1 m for collection of surface phytoplankton ... , phytoplankton biomass and surface temperatures for every tack are shown in Figures 2 to 6. One of the most ... typical for this region. It is quite natural because at least waters of three types are present there. In ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 201-214 : Auteur(s): Makarov, R.R. and K.P. Fedorov

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