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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 : Автор(ы): Candy, S.G and A.J. Constable
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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 : Автор(ы): Hooper, J., J.M. Clark, C. Charman and D. Agnew
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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 : Автор(ы): Williams, R.
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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 : Автор(ы): Vanyushin, G.P
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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 : Автор(ы): Marschoff, E. and B. Gonzalez
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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 : Автор(ы): 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 : Автор(ы): 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 : Автор(ы): 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 : Автор(ы): Everson, I
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Estimation of effective sample size for catch-at-age and catch-at-length data using simulated data from the Dirichlet-multinomial distribution
aa p (3) where the parameter set is given by θ = (ω,p1,…, pA), 0 < pj < 1 for all j, 1 1 A aa p ... distribution of π given by equation 3) and is given by Mosimann (1962, equation 7) and Johnson and Kotz (1969 ... ∑ (6). This follows simply from the independence of the haul-level samples and is a special case of ... likelihood to determine ωy from haul-level class frequency data and thus determine ϕy from equa- tion (6) in ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 115–138 : Автор(ы): Candy, S.G
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