Search results
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Natural mortality of grey rockcod (Notothenia squamifrons) in various areas of the Indian sector of the Southern Ocean
were 0.38, 0.36 and 0.33 for the above areas respectively. These values are comparable with those ... respectively. These values are comparable with those derived for most notothenioids. Resume Le taux de ... ). In order to compare our data with the results obtained by Duhamel (Kock, Duhamel, Hureau, 1985), age ... at maturity for most fish was determined for a population with 50% of mature fish. The values of tn ... -0.4634IgTO ( 3 ) ( 4 ) These calculations are presented here purely to compare our results with the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 141–146 : Author(s): Zaitsev, A.K.
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Characteristics of krill swarms from Prydz Bay
. 61. EVERSON, 1., J.L. WATKINS, D.G. BONE, and K.G. FOOTE. 1990. Implications of a new acoustic ... Euphausia crystallorophias. An increase in swarm length was seen with increasing distance from the coast ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 177–189 : Author(s): Agnew, D.J. and I.R. Higginbottom
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Selectivity parameters for Notothenia gibberifrons Lönnberg, 1905 and Champsocephalus gunnari Lönnberg, 1905 obtained during “8611 ANTARCTICA [ANTARTIDA]” expedition
different methods with a codend mesh of 68 mm were 2.87 for Notothenia gibberifrons and 3.10 for ... . Selection factors calculated following different methods with a codend mesh of 68 mm were 2.87 for ... of Antarctic Fish Selectivity by the 32/36 bottom trawl with various codends. 93 Tabla 1 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 87-105 : Author(s): Balguerías, E.
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On reproduction of Electrona carlsbergi (Tåning)
H COBna,llaeT C JIeTHe-OceHHHM nepHO,llOM B IO)KHOM nOJIymapHJ.f. * Polar Research Institute of Marine ... -laying marine fishes and approaches to evaluation of their fecundity. In: On Reproductive Cycles in Fish ... , A.S. 1976. Distinctive Features o/Oogenesis and Spawning Pattern in Marine Fishes. Kiev: Naukova ... . Maturation of ovaries is continuous, and spawning is serial. The spawning season is long and coincides with ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 397–409 : Author(s): Mazhirina, G.P.
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Acoustic estimates of krill biomass in the Elephant Island area: 1981–1993
used by Greene et al. (1991) to adjust the new definition of krill target strength at 120 kHz to 50 ... . Watkins, D.G. Bone and K.G. Foote. 1990. Implications of a new acoustic target strength for abundance ... years 1981 to 1993 (with the exception of 1982 and 1986). Estimates for 1981 to 1991 are based on ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 1–5 : Author(s): Hewitt, R.P. and D.A. Demer
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Trawl selectivity for Champsocephalus gunnari
area. The trawl bags tested were made of net webbing with 3.1 mm twine and 88.2 mm mesh size. Trawling ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 69–75 : Author(s): Efanov, S.F., G.E. Bidenko and V.A. Boronin
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1989/1990 stock status and TAC assessment for Patagonotothen brevicauda guntheri in South Georgia subarea (48.3)
. Stock has been assessed at 123.1 thousand tonnes with a TAC of 28.3 thousand tonnes for the initial ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 101–110 : Author(s): Shlibanov, V.I.
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Maximum entropy reconstructions of krill distribution and estimates of krill density from acoustic surveys at South Georgia, 1996–2000
Research Group Gatty Marine Laboratory University of St Andrews Fife KY16 8LB, United Kingdom Email ... to be exploited together with new known data (Sivia, 1996). Furthermore, Skilling (1988) has shown ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 91–100 : Author(s): Wafy, M.H., A.S. Brierley, S.F. Gull and J.L. Watkins
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Preliminary results of a bottom trawl survey around Elephant Island in October and December 1987
differed significantly from that in previous seasons which argues for an exchange with C. gunnari from ... previous seasons which argues for an exchange with C. gunnari from other shelf areas of the Peninsula ... interactions with the environment and their trophic links with plankton and benthos. In the first years (1975 ... out by RV Polarstern using a 140' bottom trawl with a small meshed liner of 20 mm. Sampling depth ... Polarfuchs on 12 December 1987 using a 4 m beam trawl with a mesh size of 10 mm. Fishing depth varied 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.
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Investigations of required sampling regimes for environmental parameters
, R.R. and F.J. ROHLF. 1981. Biometry, Second Edition. New York: W.H. Freeman and Company. pp. 859 ... monthly mean temperature over two years with a significance α of 0.05 and a power P of 0.8. Sampling wind ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 561–573 : Author(s): Agnew, D.J.