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1. Simulation experiments and CCAMLR yield estimates using CASAL

   were fitted with an expected percent root mean squared error (%RMSE) of less than 20%. The inclusion ... with an expected percent root mean squared error (%RMSE) of less than 20%. The inclusion of additional data (i.e ...

   Meeting Document : WG-FSA-SAM-05/9 : Author(s): A. Dunn (New Zealand)

2. Demographic effects of extreme weather events: snow storms, breeding success, and population growth rate in a long-lived Antarctic seabird

   Abstract:  Weather extremes are one important element of ongoing climate change, but their impacts ... growth rate. We used detailed data on daily individual nest survival in a year with frequent and heavy ... and overall productivity. Snow storm events explained 30% of the daily nest survival within the 2011/2012 ... season and nearly 30% of the interannual variation in colony productivity in period 1985–2014. Snow ...

   Meeting Document : WG-EMM-16/P13 : Author(s): S. Descamps, A. Tarroux, Ø. Varpe, N.G. Yoccoz, T. Tveraa and S.-H. Lorentsen

3. Estimating unaccounted fishing mortality in the Ross Sea region and Amundsen Sea (CCAMLR Subareas 88.1 and 88.2) bottom longline fisheries targeting Antarctic toothfish

   reported use of more than one gear type (Spanish line and trotline), and only two vessels used trotline ... are de- signed to be stable in seawater and may retain their structural integrity for many years ... to better CCAMLR Science, Vol. 19 (2012): 17–30 17 ESTIMATING UNACCOUNTED FISHING MORTALITY IN THE ROSS ... attached to sections of line each year, and the associated length of longline lost (iii) provide ... / Description:  Stock assessments rely on estimates of total mortality resulting from fishing activities ... counted in estimates of total fishing removals or otherwise accounted for in stock assessment models. The ... unaccounted fishing mortality from lost lines in these fisheries is provided. These estimates suggest that on ... average 208 tonnes of Antarctic toothfish mortality may be unaccounted for annually. While the current ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 17–30 : Author(s): Webber, D.N. and S.J. Parker

4. BEACH DEBRIS SURVEY – MAIN BAY, BIRD ISLAND, SOUTH GEORGIA 2006/2007

   years in which no fisheries related debris was observed, one nylon fishing line and one snood were found ... Abstract:  During the seventeenth year of standardised beach surveys of man-made debris at Bird ... Island, South Georgia (covering the period 1 October 2006 to 30 September 2007) a total of 365 items were ... previous years: 73% during summer (265 items) and 27% during winter (100 items). After three consecutive ...

   Meeting Document : WG-FSA-08/24 : Author(s): F. Le Bouard (UK)

5. Biological characteristics of Antarctic fish stocks in the Southern Scotia Arc region

   of the gonads takes one year or more whereas in others gonad maturation is completed within one season. Length ... at sexual maturity and length at first spawning in C. gunnari is one year later on the southerly grounds ... of the gonads takes one year or more whereas in others gonad maturation is completed within one season. Length ... at sexual maturity and length at first spawning in C. gunnari is one year later on the southerly grounds ...

   Meeting Document : WG-FSA-99/16 : Author(s): K.-H. Kock (Germany), C. Jones (USA) and S. Wilhelms (Germany)

6. Reports on biological information of toothfish with special reference to bycatch, depredation and spawning dynamics in Division 58.4.4 a & b by Shinsei maru No. 3 during 2008–14 seasons

   method and grenadier bycatch method by Gasco et al. (2014) using two size levels of unit cell ... , and generalized linear model with stepwise process for separating two areas, SSRUs 58.4.4aA & 58.4.4bB ... in the same SSRU. The depredation rate in weight was estimated to be 20-25% in SSRUs 58.4.4aA & 58.4.4bB ... method and grenadier bycatch method by Gasco et al. (2014) using two size levels of unit cell ...

   Meeting Document : WG-FSA-15/21 : Author(s): K. Taki and T. Ichii (Japan)

7. Timing of clutch initiation in Pygoscelis penguins on the Antarctic Peninsula: towards an improved understanding of off-peak census correction factors

   two components. One is a model to estimate the date of peak egg laying for a given site in a given ... 0.6 0.8 1.0 Fr ac tio n of m ax im um c ou nt 0 5 10 15 20 25 30 Days since maximum count ... 0 5 10 15 20 25 30 Days since maximum count 0 5 10 15 20 25 30 Days since maximum count Adelie gentoo ... Days since maximum count 0 5 10 15 20 25 30 0 5 10 ... Paper Title:  Timing of clutch initiation in Pygoscelis penguins on the Antarctic Peninsula ... : towards an improved understanding of off-peak census correction factors Abstract / Description:  Penguin ... censuses on the Antarctic Peninsula are often subject to logistical challenges that preclude nest counts ... . In this paper the authors present an analysis relating to both these challenges. Clutch initiation ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 149–165 : Author(s): Lynch, H.J., W.F. Fagan, R. Naveen, S.G. Trivelpiece and W.Z. Trivelpiece

8. A REVIEW OF THE METHODS USED TO RELEASE SKATES (RAJIIDS), WITH OR WITHOUT TAGS, IN ANTARCTIC EXPLORATORY FISHERIES

   the last two fishing seasons in preparation for the ‘Year of the Skate’ prior to a final decision on skate ... with additional information collected over the last two fishing seasons in preparation for the ‘Year ... Zealand autoline vessels. It describes the current Method 2 systems in use for two New Zealand vessels ... release protocols. A proposal is made for a comparative experiment using two tag types to inform a final ...

   Meeting Document : WG-FSA-08/30 : Author(s): J.M. Fenaughty (New Zealand)

9. An iterative model to construct an age-length key to assess the age composition of a new fishery for Dissostichus eleginoides in Chilean waters

   and Heisey, 1987). We found a catch age distribution pattern wich is not significatly different from the one ... , 1987). We found a catch age distribution pattern wich is not significatly different from the one ...

   Meeting Document : WG-FSA-92/23 Rev. 1 : Author(s): H. Robotham V. and Z. Young U. (Chile)

10. Estimates of circumpolar abundance of Antarctic krill based on recent acoustic density measurements

    in numerous areas. Acoustic surveys have been conducted regularly in some areas for nearly 20 years ... of krill abundance has been subject to considerable research over the last 20 years (Greene et al., 1998 ... tonnes per year (a factor of 20) to 100-500 million tonnes per year (a factor of 5). An earlier ... BOSPOCLUHM npoMbIcnoM KpHJlR HaAO 6 y ~ e ~ YYHTbIBaTb Ce30HHbIe M JIOKaJIbHbIe IIOCJIeACTBIUI ... Paper Title:  Estimates of circumpolar abundance of Antarctic krill based on recent acoustic ... historical information on the overall range of krill. The biomass estimates fall between 60 and 155 million ... estimates and others can be explained by a number of factors such as: an underestimation of the range or the ... of the demand for krill by predators. Even if these low krill biomass estimates are correct, regional ...

    Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 87–99 : Author(s): Nicol, S., A.J. Constable and T. Pauly

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