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1. Fishery Report: Champsocephalus gunnari South Georgia (Subarea 48.3)

   . Following the procedure agreed at WG-FSA-03, estimates of standing stock were obtained using a bootstrap on ... = stratum area; AT = total area; HT = total number of hauls; and HS = number of hauls in that stratum ... survey in Subarea 48.3 in April 2008. Population structure 10. The distribution of densities-at-age ... . The proportion of density-at-age was derived from the CMIX program for ages 1+ to 3+ (Table 4 ...

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2. Phytoplankton distribution in the mixed layer: implication to krill abundance

   Abstract / Description:  A one dimensional Lagrangian model of random walk is presented to study the ... distribution of phytoplankton in the Antarctic Ocean. Since little is known about mixed layer dynamics in the ... Antarctic Ocean, we estimate the depth of the mixed layer and its turbulence intensity from an Ekman layer ... . However, the effect on the dynamics is vital, affecting the distribution of particles in the upper ocean ... pycnocline near 40 m in STD237 shows a high buoyancy frequency, N, as is often found at the base of mixed ... , f the Coriolis parameter and p the density of water. Turbulence observations at mid-latitudes for ... at 61°S and the profiles are terminated at the depth of Ekman layer. The dissipation rate decreases ... Pisces submersible show the suppression of vertical velocities at scale larger than Lo. The turbulence ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 331–356 : Author(s): Yamazaki, H. and T.R. Osborn

3. Fishing ground selection in the Antarctic krill fishery: trends in patterns across years, seasons and nations

   , beginning operations late in the 1999/2000 fish- ing season. For the first two seasons, it only oper- ated ... that fishing fleets tend to oper- ate in the areas where they know through their experience and external ... with high CPUEs. Although it must be accepted that the decision ‘where to oper- ate’ involves ... years, seasons and nations Abstract / Description:  Patterns of fishing ground selection were ... remained relatively constant in Subareas 48.2 (March–May) and 48.3 (June–August). In 25 years of krill ... operations in Area 48, patterns of SSMU usage have changed. Three different patterns of seasonal SSMU ... of high krill density observed by scientific surveys, and possible reasons for this mismatch are ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 117–141 : Author(s): Kawaguchi, S., S. Nicol, K. Taki and M. Naganobu

4. Fishery Report 2016: Dissostichus eleginoides South Georgia (Subarea 48.3)

   floor at depths down to 2 250 m. Surface buoys indicate the presence of lines, and vessels typically ... fish measured (n) in each year are given at the top of each panel. Letters to the left of the panel (B ... collate recapture data. Tagging of D. eleginoides continued at a rate of 1.3 fish per tonne in 2014, with ... at length and numbers of tagged fish must be applied externally. Table 3: Length-specific tagging ...

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5. Fishery Report 2015: Dissostichus eleginoides South Georgia (Subarea 48.3)

   floor at depths down to 2 000 m. Surface buoys indicate the presence of lines, and vessels typically ... measured (n) in each year are given at the top of each panel. Letters to the left of the panel (B and C ... skates and collate recapture data. Tagging of D. eleginoides continued at a rate of 1.3 fish per tonne ... proportions at length and numbers of tagged fish must be applied externally. Table 3: Length-specific ...

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6. Fishery Report 2018: Exploratory fishery for Dissostichus mawsoni in Subarea 88.2

   recaptures from the southern area, the Scientific Committee requested the Working Group on Statistics ...

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7. Report on Bottom Fisheries and Vulnerable Marine Ecosystems

   longlines, trotlines, pots and bottom trawls – have not been completed. Members are requested to complete ...

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8. Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.3b

   D. mawsoni on particular vessels. The Working Group requested information from the vessels and observers ... are still in the water, unless requested not to do so by the scientific observer during the biological ... sampling period (CCAMLR-XXIV, paragraph 4.51). The Commission has been requested to review ... ). In its management advice for this and other exploratory fisheries, the Scientific Committee requested ...

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9. Fishery Report: Dissostichus eleginoides South Georgia (Subarea 48.3)

   continued at a rate of 1.3 fish per tonne with a total of 2 910 fish tagged (with 524 recaptures). 3 ... 0.433 2009 61.9 0.549 2010 137.1 0.284 2011 2633.3 0.771 Table 5: Proportions at length of ... estimates of selectivity and year-class strength estimates TOP 48.3 8 at the time of the ... fishery 1998–2011 • survey density of juvenile fish at Shag Rocks, treated as a relative index of ...

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10. Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.3b

    to be tagged at a higher rate than D. mawsoni on particular vessels. The Working Group requested information ... by cutting the snoods when the rays are still in the water, unless requested not to do so by the scientific ... requested to review this mitigation practice (see SC-CAMLR-XXVI, Annex 5, paragraph 5.53). TOT 58.4.3b ... management advice for this and other exploratory fisheries, the Scientific Committee requested urgent ...

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