Search results
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Seal mitigation measures on trawl vessels fishing for krill in CCAMLR Subarea 48.3
and was employed thereafter for the duration of the cruise (Figure 3). This device was still ... ’ (Figure 3). Only two subsequent seal entanglements occurred. A seal was discovered inside the ‘bag ... , measure 3) measuring 162 m² (13.5 x 12 m), positioned 47 m from the mouth of the net. The second net ... outside net (Figure 6, measure 1). To improve its effectiveness, a large mesh barrier was also ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 195–205 : Author(s): Hooper, J., J.M. Clark, C. Charman and D. Agnew
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Sea-surface temperature and krill catches around South Georgia in December–February 1989–1991 and 1999–2001
1991 (Figures 3 and 4) with anomalies in 2000 and 2001 (Figures 5 and 6) reveals a signifi cant ... January 1990/91 and 2000/01 (Figures 3 to 6). The annual reports of krill catches refl ect the impact ... also moved northward across 50°S. The set of maps (Figures 1 to 6) clearly demonstrates that krill ... is shown on the map). 60 45 50 55 Figure 2: Mean monthly SST difference. 60 Figure 3 ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 165–174 : Author(s): Vanyushin, G.P
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Australian research on Antarctic bird and seal diets
paHOHaX 3aJIHBa I1PIO,l{3 H cyoaHTapKTH"4eCKHX OCTPOBOB Xep,l{ H MaKKYOpH. OnYOJIHKOBaHHhle H ... ±4.3 28 .3±1 .8 139.1±16.5 Posthatch (1985) 36.6±4.6 26.3±2.1 Location: Davis Station (68 ... until empty. 10 samples per 3 weeks in 1987/88 summer. These results present a preliminary analysis of ... ) 20 38 3' 1 58 400 39 29 32 o Location: Sea ice off Davis Station (68°30'S: 77°50'E ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 231-249 : Author(s): Williams, R.
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Optimization of survey sampling design in the detection of interannual variability and prey size selectivity in the diet of penguins
. 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 ... 2 2 2 2 2 2 2 2 7.3750 19 8 5 4 3 3 2 2 2 2 2 2 2 2 2 3.2674 60 22 13 8 6 5 4 4 3 3 3 3 2 2 2 ... 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 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 551–559 : Author(s): Marschoff, E. and B. Gonzalez
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An integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) for the Heard and McDonald Islands using CASAL
10 12 29 92 3 15 93 61 2 11 6 61 6 15 4 T ra w l B (f 2) L at e (s 3 ... ) 0 0 34 1 26 1 80 92 6 21 3 11 4 78 2 40 3 16 T ra w l C (f 3) L at ... 1999 58 6 2000 24 71 48 2001 10 19 94 74 2002 10 2 65 56 84 2003 3 1 11 ... en ts 0. 02 4 (0 .0 02 ) 4. 58 6 (0 .1 51 ) 2. 46 5 (0 .0 41 ) 1. 83 9 (0 .3 26 ) 0 ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 1–34 : Author(s): Candy, S.G and A.J. Constable
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A fine-scale model of the overlap between penguin foraging demands and the krill fishery in the South Shetland Islands and Antarctic Peninsula
3: Figure 4: Figure 5: Figure 6: Indices du chevauchement de la p@che et des predateurs. Cet ... autres manchots, et montre que ce chevauchement tend a diminuer depuis 1988. B ~ H H ~ I ~ IIO o 6 w ... , M YTO C 1988 r. p a s ~ e p 3 ~ 0 r o cosnaAeHm yMeHbrrraeTcx. Resumen La CCRVMA ha ... al. (1992) describe foraging by chinstrap penguins at Seal Island in 1991 as between 6 to 25 km ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 99–110 : Author(s): Agnew, D.J. and G. Phegan
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Age, growth and size at sexual maturity of Macrourus carinatus caught as by-catch in Australian sub-Antarctic trawl fisheries
-4.5 -4 -3.5 -3 -2.5 -2 -1.5 -1 5 5.2 5.4 5.6 5.8 6 Ln (total length) Ln ( w ei gh t ... and the proportion of fi sh with maturity stages 2–5 and 3–5 in each length bin calculated. A ... at least 3 hours. Prepared otoliths were viewed with a dissecting microscope under transmitted ... Immature Immature 2 Maturing virgin or resting Developing or resting 3 Developing Developed 4 Gravid ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 139–151 : Author(s): van Wijk, E.M., R. Williams and A.J. Constable
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Evaluating the impact of multi-year research catch limits on overfished toothfish populations
25% " " 5 730 30% " " 6 677 35% " " 7 As per scenario 3 20% 30 As per Table 1 except age fully ... ) Change in years to recover to 50% SSB0 1 0 –3 2 0 1 3 0 –2 4 0 –2 5 0 1 6 4 –2 7 –4 ... 3 8 0 –2 9 0 0 10 0 –2 11 0 9 12 5 –4 13 –6 7 Welsford 54 Studies that have ... , should aim to produce an as- sessment within a 3–4 year time frame of research commencing (SC-CAMLR ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 47–55 : Author(s): Welsford, D.C
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Natural mortality rate in the mackerel icefish (Champsocephalus gunnari) around South Georgia
- E a, f F 0 8 6 -5 -10 -1 5 -20 3 4 5 6 7 8 9 Age (years) Olsen Frolkina Kock ... ~ ~ 6 0 ~ B IIpeAbIAYIQLlX OueHKaX. K COKaJIeHIIH), HeAOCTaTOYHOCTb BCeX H ~ ~ O ~ O B AaHHbIX ... 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 ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 245–257 : Author(s): Everson, I
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Standardization of fishing effort for Champsocephalus gunnari in the South Georgia area (Subarea 48.3)
2 2 -2.051 0.583 20 2 1 3 1.560 0.640 19 3 4 -0.133 0.134 38 4 5 1.360 0.737 2 3 9 6 0.176 ... 0.808 1 1984 21 -0.235 0.216 14 1985 22 -0.250 0.381 3 1986 23 -0.921 0.279 6 1987 24 -0.592 0.196 ... i category types. (2) (3) The sequence of calculations when defining model parameters is made ... described in the paper by Gasiukov (1990). 3. DATA USED Standardizing fishing effort for C. gunnari in ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 327–336 : Author(s): Gasiukov, P.S.