Search results
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Analysis of results from demersal fish surveys at South Georgia, undertaken by the United Kingdom and the USSR, January and February 1990
of the time: C. Jones) from the UK and P. Gasiukov and K. Shust from the USSR. Interpretation was ... effects. A few hauls were made at 4 or even 5 knots and it was questioned whether the net would have ... Coefficients of Variation. 4. DISTRIBUTION OF MAJOR SPECIES 4.1 Champsocephalus gunnari Summarizing ... Cove Mean 'large hau1' value = 4 029 kg over a towing distance of 2.0 nm South Georgia 50 to 150m ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 223–254 : Author(s): (Report of a Joint UK/USSR Workshop, 23 to 27 July 1990)
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Biomass of myctophids in the Atlantic sector of the Southern Ocean as estimated by acoustic surveys
) w- 103crkg(L) then cr(L) = 41t · 100.1-TS(L) (3) crkg
= cr~) (4) where PN = mean density ... miles). It estimated the biomass of fish to be 1 200 x 103 tonnes. Figure 4 shows the distribution of ... and K. anderssoni. 420 In 1989 acoustic surveys for myctophids were conducted over the area from ... . carlsbergi. Distribution of myctophids over the area surveyed is shown in Figures 8 and 9. 4. CONCLUSIONS ... Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 417–431 : Author(s): Filin, A.A., K.V. Gorchinsky and V.M. Kiseleva
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Estimation of natural mortality using catch-at-age and aged mark-recapture data: a multi-cohort simulation study comparing estimation for a model based on the Baranov equations versus a new mortality equation.
t t a t a a t a t S FC N S F M M S F (4) where Nt,a is the number in the population for a given ... + +- = - - -t a t a t a a tN N N S F M . (5) Candy 4 Equations (4) and (5) are denoted the BODE model ... ). To estimate Ft from equation (4) using known numbers caught in each age class, assuming M and Sa ... - ately scaling F(δt') given Nt,a and Sa given that the annual catch, equation (4), is well approximated ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 1–27 : Author(s): Candy, S.G.
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A quantified Bayesian Maximum Entropy estimate of Antarctic krill abundance across the Scotia Sea and in small-scale management units from the CCAMLR-2000 Survey
Pelagic Area (Subarea 48.1) APW 2 Antarctic Peninsula West APDPW 3 Drake Passage West APDPE 4 Drake ... would be 1, 2, 4 and 8 units, and the second, third and fourth channels would be 4, 16 and 64 times ... maxima of evidence. Figures 3 and 4 show some sample reconstructions created in order to assign values ... –40 iterations of the algorithm, taking in total around 40 minutes on a 2.8 GHz Pentium 4 PC running ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 97–116 : Author(s): Heywood, B.G., A.S. Brierley and S.F. Gull
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On the power to detect changes using the standard methods for monitoring parameters of predatory species
monitored to detect changes of 10% to 30% of the mean value are shown in Table 4*. Breeding success was ... change in the mean are very large. 4. METHODS FOR FUR SEALS 4.1 Fur Seal Pup Growth (C1.0) The data ... %) 77 61 44 26 4.86 (20%) 20 1 6 1 2 8 7.29 (30%) 1 0 8 6 4 Chinstrap penguins: Statistical Power ... %) 37 29 21 1 3 388 Table 4: Estimates of the minimum sample size (number of pairs) required to ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 377–397 : Author(s): Boveng, P. and J.L. Bengtson
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Timing of clutch initiation in Pygoscelis penguins on the Antarctic Peninsula: towards an improved understanding of off-peak census correction factors
r el at iv e to A d m ir al ty B ay , K in g G eo rg e Is la nd ) –4 .7 7 d ... Palmer Station staff.) 3 Data downloaded from www.antarctica.ac.uk/met/gjma/ 4 In order to avoid ... en gu in 28 .0 d ay s ( 0 .3 ) (2 7. 4, 2 8. 0, 2 8. 7) ba se lin e[ C H P E ... ] B as el in e C ID fo r ch in st ra p pe ng ui n 46 .9 d ay s ( 0 .2 ) (4 6. 4 ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 149–165 : Author(s): Lynch, H.J., W.F. Fagan, R. Naveen, S.G. Trivelpiece and W.Z. Trivelpiece
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Size compositions of males and females in the course of the life cycle of Euphausia superba
stages were distinguished (stages of the BIOMASS scale are included in brackets for reference): 4 A ... (stage of maturity B) was greater than that of males (Figure 4). Samples collected in 1967 present an ... greater modal size than females, especially when most of the females are at stage D. 4. DISCUSSIONS As ... be possible that an increase in male mortality begins shortly before the spawning season (Figure 4 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 3–16 : Author(s): Makarov, R.R.
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A simple approach for calculating the potential yield of krill from biomass survey results
yields an estimate of 0 = 4, which corresponds to a three month growth period, followed by nine months ... are: a. =2; 4 ~=2;4 O's = 0; 0.5 A value O's = 0 is, of course, unattainable. It was selected to ... " set of parameter value choices. 4. RESULTS AND DISCUSSION Table 2 shows the estimates of A for the ... lead to a "(1.00)" estimate situation. Finally, Table 4 gives the results of assuming that M is ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 207–217 : Author(s): Butterworth, D.S., A.E. Punt and M. Basson
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Modelling and decision making as part of the CCAMLR management regime
K would address the question as to what research or marketing should be conducted to elucidate ... and fish Ecological A B C D Economic E F G H and social Management I J K L monitoring ... Ecologique A B C D Economique et social E F G H Amenagement controle et recherche I J K L - 312 ... Economico y Social E F G M control de Administracion e Investigacion I J K L - 316 - Tabla 2 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 295-322 : Author(s): Miller, D.G.M.
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Soviet proposals for a program of ecosystem monitoring in the Commonwealth Sea and Prydz Bay
ITpe,lVlaraeTCR 06maR HaMeTKa COBMeCTHOH 'Me}K,ll;YHapO,ll;HOH ITporpaMMhI AHTKOM' a no MOHHTopHHry ... on the scientific findings obtained each year. - 362 - 4. PARTICIPANTS OF THE MONITORING ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 355-362 : Author(s): USSR