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Natural mortality rate in the mackerel icefish (Champsocephalus gunnari) around South Georgia
recruited at age 3 years. Using the assumption that fish are fully recruited to the fishable population ... by age 3 years, the annual survivorship has been estimated (Table 1 and Figure 2). The mean and 95 ... estimates using equation 3 (Table 1). This analysis also indicates that the survivorship prior to the two ... calculated and the difference between the published values and the mean calculated (Figure 3). The ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 245–257 : Autor(es): Everson, I
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Histological study on the ovarian development of mackerel icefish (Champsocephalus gunnari) from the South Georgia Islands
p a 3 p a 6 o ~ a ~ a ruKana onpeneneHHx c o 3 p e s a ~ ~ z rosan , n p e n ~ a s ~ a q e ~ ~ a ... ~ ~ ~ Y ~ C K ~ R IlIKaJIa). 3 a ~ e M 3Ta WKaJIa 6b1na ~o~ki@kiL@ipo~a~a C TeM, ~ ~ 0 6 6 1 OHa ... development stages are described in Table 3. Oocytes in early secondary vitellogenesis (Table 3, stage 4 ... ) are not present in stages of advanced maturity and total maturity (Table 2, stages 3 and 4). This ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 35–49 : Autor(es): Macchi, G.J. and E.R. Barrera-Oro
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Analysis of haul data from the South Georgia krill fishery
. For example, in 1994 two vessels from Japan left on the same day (vessels 2 and 3). Within their ... Charlotte (Figure 3 - label CC). The fishery stayed close to this bank throughout the entire season ... ., 1997), however the movement towards the west does not occur in all years (Figure 3). The movement is ... Size and Catch Rate per Haul Distances between hauls were usually small (Table 3), consistent with ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 9–30 : Autor(es): Trathan, P.N., I. Everson, E.J. Murphy and G.B. Parkes
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WG-FSA-06/15
Maruno.3 Call sign JAAL Port of registration Yaizu,Japan Flag state Japan Owner Taiyo A&F .ltd ... Type Radar Furuno FR1510 MK 3/FR2120 MK 2 Communications equipment HF Icom IC M710,VHF JRC 2000 ... of return Cape Town Date of return 03/04/06 3. Structure of fishing gear As Figure 1 ... intervals of 60 m , and to each connect line a drop line is attached . 3) To each drop line are set ...
Document : Site Section: Publications
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Analysis of krill trawling positions north of the South Shetland Islands (Antarctic Peninsula area), 1980/81–1999/2000
, TO MecTa TpaneHm B OCHOBHOM 3 a ~ ~ c e n ~ OT pacnpegeneHMx 6onee KpynHoro, nonoeospenoro KpHJIR ... sene~oro K ~ M I I X ) , Tatime o ~ a 3 b r ~ a n ~ ~ o s p a c ~ a l o ~ e e BnMxHHe Ha MecTa ... nposeAeHHx ~ p a n e ~ ~ 1 . poMe 3 ~ o r o ~ o ~ a , 3 a ~ o snkixHme ne~oeoa O ~ C T B H O B K H B ... 3 489.0 15.4 46.7 1990/91 No data 6.5 65.2 1991/92 94.3 19.9 32.3 1992/93 1 399.6 29.2 30.1 1993 ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 25–36 : Autor(es): Kawaguchi, S. and K. Segawa
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Optimization of survey sampling design in the detection of interannual variability and prey size selectivity in the diet of penguins
values for the variance components and their 80% confidence intervals have been extracted from Table 3 ... confidence intervals respectively: = 2.63 ~ 3 = 25.03 :::; 26 A 10% change in the mean of two years ... analysis. 3. JESTING PENGUIN SELECTIVITY If extant, size selectivity of krill by penguins will result ... . Variance Number of Sam )lin~ Dates Component 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 10.298 13 6 4 3 3 2 2 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 551–559 : Autor(es): Marschoff, E. and B. Gonzalez
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Preliminary study on nesting Adélie penguins disturbance by unmanned aerial vehicles
preliminary guidelines for the next field season, were formulated. 3 Nesting Adélie penguins disturbance ... following two fixed-wing UAVs were used in the study (Figure 3): (i) CryoWing Mk1 (MTOW 35 kg, wingspan ... when UAVs were in the air. In addition, a 3 minute record- ing showing a skua (Stercorarius sp ... test (control group, piston engine UAV, electric UAV, skua). Bird behaviour was analysed for a 3 ...
Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 1–16 : Autor(es): Korczak-Abshire, M., A. Kidawa, A. Zmarz, R. Storvold, S.R. Karlsen, M. Rodzewicz, K. Chwedorzewska and A. Znój
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Revised estimates of seabed areas within the 500 m isobath of the South Orkney Islands (subarea 48.2) and consequences for standing stock biomass estimates of nine species of finfish
~ ~ 11306aTb1 ( ~ . e . 0-500 M) PaCCYHTbIBanACb no HHTerPHPOBaHHbIM 6 a 3 a ~ AaHHbIX An2 50-M~TPOB~IX ... Science Foundation Rice University Scripps Institute of Oceanography S ain $3 Defense Mapping Agency ... strata. Number of Surveys 1 3 14 3 na 1 1 1 2 na 1 na 1 2 Stratum (m) Land masses ... presented in this paper. RESULTS Polygons (Number) na 3 663 5 642 7 202 11 074 18 119 32 351 ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 197–204 : Autor(es): C.D. Jones
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Joint Polish/American hydroacoustic survey of Elephant Island and the vicinity of King George Island, 1988
) populations within the survey area. ( 3) Establish a longterm monitoring effort for a statistically-based ... bongo-net hauls (reduced speed from 6-8 knots to 3 knots for 45 min) spaced approximately every 30 n ... to calculate abundance and biomass are included as an appendix. 3. RESULTS The results of the ... (2 894 n miles2 in 1988 vs 3 000 n miles2 in 1987 for the Bransfield Strait; 7 453 n miles2 in 1988 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 357–377 : Autor(es): Macaulay, M.C.
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Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey
% 6 ~ o ~ a c c a ynaneT Hwxe P ~ ~ ~ M Y H ~ I X none5 cBoero MeAtiaHHoro ~ 0 3 ~ c n n y a ~ a 1 ... yr.' (natural mortality) oR = 0.4 (recruitment variability) a, = 3 yr (knife-edge age-at ... -recruitment) a,,, = 3 yr (knife-edge age-at-maturity) a+ = l + y r (age-range corresponding to biomass ... , ) for tl <_l! e, = e:: + W, / 2 (3) where ty from U [38,42] mm with W, = 10 mm, and ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 81–106 : Autor(es): Butterworth, D.S., G.R. Gluckman, R.B. Thomson, S. Chalis, K. Hiramatsu and D.J. Agnew