Search results

1. Preliminary results of a bottom trawl survey around Elephant Island in October and December 1987

   and December 1987. >- (,) c Q) :J cr Q) '- 10 20 10 Figure 8: 10 20 30 Chaenocephalus ... cTapllIeM). CocTaB YJIOBOB C. gunnari CI1JIbHO OTJIl1lIaJIC.H OT COCTaBOB YJIOBOB B npe,aw,aYW;l1x ce30 ... as their interactions with the environment and their trophic links with plankton and benthos. In the first years (1975 ... using a 140' bottom trawl with a small meshed liner of 20 mm. Sampling depth varied from 65-458 ... differed significantly from that in previous seasons which argues for an exchange with C. gunnari from ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 185-200 : Author(s): Kock, K.-H.

2. Analysis and modelling of the Soviet Southern Ocean krill fleet

   two separate measures: one in which survey vessel discoveries are used to track the number ... two separate measures: one in which survey vessel discoveries are used to track the number ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 127–235 : Author(s): Mangel, M.

3. Catch-at-age analysis applied to new fisheries: the case of Dissostichus eleginoides

   available for two years (1991 and 1992), which could be analysed independently, extending the evaluation ... ,llOnYIl1eHHSI B MO,lleJISIX. i{aHHaSI pa60Ta nOKa3bIBaeT, 1.ITO B CJIY1.lae HOBoro npOMbICJIa npOBe,lleHHe ... developed in the past and for which no information has been received for at least the last two fishing ... ); and • fishing mortality is separable by age (Doubleday, 1976). Catch-at-age for all recruited year classes ... on research surveys, making it possible to estimate the standing stock and potential yield of a ... fish stocks, which seriously affect model assumptions. This paper demonstrates that for the new fishery ... , analyses using catch-at-age data derived from research cruises may provide an alternative to other methods ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 3–9 : Author(s): Zuleta, A.V. and C.A. Moreno

4. Variations in condition indices of mackerel icefish at South Georgia from 1972 to 1997

   1975 to 1953. Days since 30 January Figure 6: Fur seal pup growth during two seasons, from Bonner ... M O X e T 6 b 1 ~ b I lOne7HbIM np13 m H T e p n p e T a u r t r 1 p e ' 3 y n b T a T O B llpOB0nl.lMblX ... , in peak years yielding a total catch of over 100 000 tonnes (Kock, 1992). They feed predominantly ... they may account for 20% of the total mass (Kock, 1992; Everson et al., 1996). Arising from this, we ... predominantly on krill. An index of condition which uses the ratio of the measured total mass to the estimated ... 1997 Abstract / Description:  Mackerel icefish (Champsocephalus gunnari) are widespread on the South ... in krill availability. Condition index provides a useful proxy for krill density and is likely to be ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 119–132 : Author(s): Everson, I. and K.-H. Kock

5. Results of the CCAMLR Antarctic fish otoliths/scales/bones exchange system

   and less experienced ones. File:  14-Kock.pdf ... and less experienced ones. ... experienced readers existed in 20.8% of all samples. Allowing for one year of deviation, agreement increased ... of not more than one year. The 'birthday' of Antarctic fish is commonly accepted as 1 July. However, one ... readers was usually much less than 50%. If one allows for a deviation of one year, agreement among most ... agreement or deviation of not more than one year among all readers: 37 (74.0%) 39 (78.0%) 50 (100 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 197–226 : Author(s): Kock, K.-H.

6. Acoustic estimates of krill biomass in the Elephant Island area: 1981–1993

   for the years 1981 to 1993 (with the exception of 1982 and 1986). Estimates for 1981 to 1991 are based ... density over the 13-year period were 1 703 x  103 tonnes and 53.2 g/ 2. File:  01hewitt-demer.pdf ... Acoustic estimates of krill biomass in the vicinity of Elephant Island are presented for the years ... ) and biomass densities range from 2.5 g/m2 to 134.5 g/m2. Average biomass and average density over the 13-year ... out of seven cases the change in density from one year to the next matches the sign of recruitment ... in the vicinity of Elephant Island are presented for the years 1981 to 1993 (with the exception of 1982 and 1986 ... g/m2. Average biomass and average density over the 13-year period were 1 703 X 103 tonnes and 53.2 ... g/m2 et 134,5 g/m2. La biomasse et la densite moyennes sur la periode de 13 ans 6taient de 1 703 ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 1–5 : Author(s): Hewitt, R.P. and D.A. Demer

7. By-catch, growth and feeding of Antarctic juvenile fish taken in krill (Euphausia superba Dana) fisheries in the South Georgia area, in 1992

   South Georgia from May to July 1992. Two species were predominant in the by-catches: Champsocephalus ... of juvenile fish in catches, normalised to one tonne of krill, ranged from 700 to 18 900 individuals ... by the FV Grigory Kovtun in the area around South Georgia from May to July 1992. Two species were ... were considered. The abundance of juvenile fish in catches, normalised to one tonne of krill, ranged ... rOAOBUKaMU (72,5 H 73,7 MM). B KOHqe HWnX CPeAHRX AnMHa CerOneTKOB B03pOCna A 0 48,5 MM. CpeflH ... species were present in only two catches: a single juvenile of Harpagifer georgianus in one, and one ... (local) Catch Sample (m) (m) (kg) (kg) 20.05 10 155 16.20-17.10 10 000 100 26.05 10 190 22.30-23.30 ... 600 20 30.05 10 240 15.10-16.00 8 000 25 31.05 90 250 09.40-10.15 7 000 2 5 03.06 10 200 16.20 ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 129–142 : Author(s): Pakhomov, E.A. and S.A. Pankratov

8. Commercial fishing vessels as research vessels in the Antarctic – requirements and solutions exemplified with a new vessel

   of krill has varied dramatically over its 30- to 40-year history. The present annual catch ... in resource surveying has been given sub- stantial attention in recent years (ICES, 2007; Abe et al., 2011 ... years, most new research vessels, and also some fishing vessels, are being equipped with an instrument ... for a 20 ft container laboratory van would be sufficient for those sampling and scientific require- ments ... as adequate monitoring, to avoid unintended impacts on the harvested stocks and the associated ... readily available for conventional coverage of harvested stocks and their ecosystems. This paper describes ... fishing and research vessel could make a large amount of important data available for both management ... , through CCAMLR, and the broader scientific community and thus improve the basis for resource evaluation ...

   Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 11–17 : Author(s): Godø, O.R., C. Reiss, V. Siegel, J.L. Watkins

9. Review of length-weight relationships for Antarctic krill

   nOJIOB03peJIOCTH YJIY4maeT T04HOCTb BbI4HCJIeHHH OTHomeHHH ",lIJIHHa/Bec". 06cY}l{,lIaeTC5I BJIH5IHHe ce30 ... HHbIX H3MeHeHHH B napaMeTpax ",lIJIHHa/Bec". ,llaeTC5I p5I,lI peKoMeH,lIal.\HH no HCnOJIb30BaHHIO npHBe,lleHHbIX ... -consuming. Various length-weight relationships have been established over the years for Antarctic krill ... of the same weight. The situation changes throughout the year, i.e., during the annual maturity cycle ... Paper Title:  Review of length-weight relationships for Antarctic krill Abstract / Description ... :  Length-weight relationships for krill, Euphausia superba (as well as relationships for other Antarctic ... euphausiid species), are listed for ash-free dry weight, dry weight, and wet weight. The accuracy of length ... -weight relationship calculations is improved when information on sex and dominant maturity stages is ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 145–155 : Author(s): Siegel, V.

10. CPUE indices used in Soviet krill fishery statistics from 1977 to 1992 and their possible utility for evaluation of relative changes in krill biomass

    14 16 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Catch per vessel-days fished (tonnes ... in the Soviet krill fi shery from 1986 to 1991 (RIF statistics). 0 5 10 15 20 25 30 35 ... 1 51 7 0. 20 66 14 0. 66 49 94 30 1 - - - - - - 24 . Su ba re a 48 ... Materials and methods Two sources were used: the Atlas of Fisheries in the Southwestern Atlantic (Anon ... calculated for specific strategies were well correlated. Depending on the fishing strategy used, the number ... possible utility for evaluation of relative changes in krill biomass Abstract / Description:  Key catch-per ... and primary data for their calculations, were examined. The main CPUE indices were catch per vessel ... fluctuations in haul duration due to the different fishing strategies used when targeting krill intended for ...

    Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 165–177 : Author(s): Litvinov, F.F., A.Z. Sundakov and V.I. Arkhipov

Pages