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Significant conservation benefits obtained from the use of a new fishing gear in the Chilean Patagonian toothfish fishery
. Cons., 132 (4): 458–471. Robertson, G., C.A. Moreno, K. Lawton, J. Arata, J. Valencia and R. Kirwood ... ~70–74 cm Ø~30 cm Ø~10–15 cm ~100–120 cm Hooks Snoods ~20 cm ~15 cm ~25 cm Weight 4–8 kg ... Almagro Islands (15 594 pairs in 2001/02) (Lawton et al., 2003), the Evangelistas Islets (4 670 pairs in ... in the industrial fishery were the same bags of stones used in the Spanish system (between 4 and 10 ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 79–91 : Author(s): Moreno, C.A., R. Castro, L.J. Mújica and P. Reyes
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Sensitivity investigation of the SDWBA Antarctic krill target strength model to fatness, material contrast and orientation
angle φ (i.e. Demer and Conti, 2003): 12 1 1 2 ( ) ( ) e 4 J (2 cos ) d cos pos j pos i bs ... j r j tilt pos tilt kf a k a κ ρφ γ γ β β - ×= -ò k r r (1) where km = 2πf ... mass density, ( )2 21 1 2 2 1c cκγ ρ ρ= - related to the compressibility 21/ ( )i i icκ ρ= , 1k ... Lf N N f Lϕ ϕ = . (4) The length ratio in both the equations (4) is used to scale the digitised ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 97–122 : Author(s): Calise, L. and G. Skaret
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The Patagonian toothfish (Dissostichus eleginoides) fishery in the Kerguelen Islands (Indian Ocean sector of the Southern Ocean)
- ing) to stage 4 (ripe), then to stage 5 (recovery) gives a good estimate of the exact spawning period ... because the hooks used are too big. Lord et al. 4 Once the normality was checked, variance analyses ... 4). Trawl CPUE fluctu- ated a good deal between 1983 and 1991, ranging from 1 tonne/hour to 3 ... recent fishing years. Indeed, it was about 4 tonnes/hour at the begin- ning of the 1990s and was, at the ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 1–25 : Author(s): Lord, C., G. Duhamel and P. Pruvost
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Distribution, morphology and ecology of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) in the Ross Sea region
; 4 = Run- ning; 5 = Spent. For analysis of length and age at sexual maturity, fish with gonad stage ... % significance level (Table 4). Stepwise GLM regression model (logW~logTL +logTL:Species:Sex+Species:Sex ... ) to 8(d). The Linf values from Marriott et al. (2006) were too large for M. whitsoni, and the k ... Marriott et al. (2006) and k was esti- mated by least-squares regression. The values of Linf in Marriott ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 37–61 : Author(s): Pinkerton, M.H., P. McMillan, J. Forman, P. Marriott, P. Horn, S. Bury and J. Brown
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Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and South Orkneys
OTHomeHHe BbIJIOBa K nOTpe6JIeHHIO OTHOCHTeJIbHO HH3KO (27%), KOHKypeH~H51 Me)l{,l{Y npOMbICJIOM H xH ... and 4). In only three years (1987, 1988 and 1991) were the majority of catches in Subarea 48.2 taken ... ). In other years and zones the proportionate impact of the fishery was much lower. 4. DISCUSSION ... mortality estimates for kriIl, and if it is assumed that 1/4 of the yearly natural mortality of about 0.9 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 287–303 : Author(s): Agnew, D.J.
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CCAMLR Ecosystem Monitoring Program Standard Methods
growth ....................................... C2.1–C2.5 Section 4: Monitoring Non Krill-dependent ... Species Part I, Section 4: Method T1 – Diet of adult Antarctic shags during the breeding season ... in Large Colonies of Antarctic Petrels ............................ Part IV, Section 3: 1–4 ... Section 4: Using TDRs for the Collection of Data on At-sea Behaviour of Penguins and Antarctic Fur Seals ...
Document : Site Section: Publications
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Discrimination of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) using otolith morphometrics
continental slope (SSRUs 881H, J and K) and from Subarea 88.2 (SSRU 882H) (Figure 2; Table 1). Otolith ... °K; 180 ms shutter; 1.006 gamma). Otolith images were captured with a c-mounted digital camera ... boundary of the otolith (mm). (viii) Circularity = 4πArea/Perimeter2 (dimen- sionless). (ix) Aspect ... study. SSRU M. whitsoni M. caml 881B 5 19 881C 61 48 881H 67 80 881J 4 19 881K 16 33 882H 67 ...
Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 15–28 : Author(s): Pinkerton, M.H., C. Ó Maolagáin, J. Forman and P. Marriott
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Abundance, size and maturity of krill (Euphausia superba) in the krill fishing ground of Subarea 48.1 during the 1990/91 austral summer
TpaJIOBbIe CbeMKH Ha yqaCTKe npOMbICJIa KPHJI5I K ceBepy OT IO)I{HbIX IIIeT JIaH.llCKHX O-BOB ... curtain drogue (4 m x 1 m) at 30 m depth to assess this subsurface circulation. 2.2 Hydroacoustic ... tracks of four buoys demonstrated subsurface current patterns in each region (Figure 4). In the oceanic ... Shetland Island. Buoy 4 was deployed in the inshore region and became entrained in an erratically rotating ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 183–199 : Author(s): Ichii, T., H. Ishii and M. Naganobu
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A review of the diet and at-sea distribution of penguins breeding within the CAMLR Convention Area (submitted to the 2008 Joint CCAMLR-IWC Workshop)
., 2002). This involves col- lecting freshly deposited faeces and storing them in 70% ethanol at 4°C. DNA ... . glacialis, 32% K. longi mana, 14% Gailteuthis glacialis and 5% Gonatus antarcticus. Klages (1989 ... and mysids were rare (<4%). Gales et al. (1990) conducted stomach flushing of 35 birds in autumn ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 75–114 : Author(s): Ratcliffe, N. and P. Trathan
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Quantifying movement behaviour of vessels in the Antarctic krill fishery
shown as representative trends (Figure 4), since the total number of hauls for Japan and other nations ... 48.1 (~4 n miles) and shorter in Subareas 48.2 and 48.3 (~2 n miles). With some minor differences ... below 10 tonnes also occurred (Figures 3 and 4) but this trend was not as strong or consistent as that ... - ring for catches of 10–15 tonnes/haul and greater (Figures 3 and 4). Explanations of why clearer ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 131–148 : Author(s): Kawaguchi, S. and S.G. Candy