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1. Choosing distance between acoustic survey tacks

   Abstract:  The mathematical model was used to shown that the distance between acoustic survey ... tacks is reasonable to be selected based on the typical size of the surveyed region, allowable relative ... error in the biomass estimate, and the variation coefficient of the concentration density values. It is ... recommended to use the suggested criterion in real hydroacoustic surveys. Author(s):  Delegation of the USSR ...

   Meeting Document : SC-CAMLR-V/BG/24 : Author(s): Delegation of the USSR

2. Estimation of size at maturity and calculation of an appropriate size limit for male Paralomis formosa

   -specific, median chela height of Paralomis formosa. The second derivative of the spline which made the best ... - carapace width, and Pr(72mm ≤ sBC ≤ 90mm) ≈ 0.95. The spline modeling technique appears to overcome some of ... the philosophical and statistical problems associated with estimating size at maturity by fitting ... be made to make the spline technique more robust to outliers in Y-space (crabs with regenerating ...

   Meeting Document : WG-FSA-96/35 : Author(s): Watters, G.

3. Entanglement in man-made debris of Antarctic fur seals at Bird Island, South Georgia

   removed from 170) during the 142 days of the 1988-89 pup-rearing season at Bird Island, South Georgia ... . This represents at least 0.1% of the total Bird Island population and a minimum of 0.4% of animals in ... the best covered areas; a maximum value might approach 1%. Poly-propylene straps (packaging bands ... ) formed 59% of collars, nylon string (15%), fishing net (13%) and six other materials comprising the rest ...

   Meeting Document : CCAMLR-VIII/BG/05 : Author(s): J.P. Croxall, S. Rodwell and I.P. Boyd (United Kingdom)

4. Selectivity of standard polish commercial trawl codends on Antarctic fishing grounds

   = 100 mm, made of double twines with a thickness of 4.2 mm. The studies covered 6 major fish species. 1 ... . It appears from the study that Antarctic icefish and bumphead notothenia are subject to selection ... during trawling, although the effectiveness of this process- especially in the latter case- is not ... tendency to pass through meshes of the codend than Antarctic icefish and bumphead notothenia. 3. The ...

   Meeting Document : SC-CAMLR-VII/BG/11 : Author(s): J. Zaucha (Poland)

5. Congruent, decreasing trends of Gentoo Penguins and Crozet Shags at sub-Antarctic Marion Island suggest food limitation through common environmental forcing

   ] melanogenis breeding annually at Marion Island, one of South Africa’s Prince Edward Islands in the south-west ... between the mid-1990s and the mid-2000s, exhibited a partial recovery in the late-2000s and then decreased ... to their lowest recorded levels in 2012/13. In both instances, the partial recoveries in the late ... was negatively correlated with the date of arrival of adults to breed. Gentoo Penguins and Crozet ...

   Meeting Document : WG-EMM-14/P09 Rev. 1 : Author(s): R.J.M. Crawford, B.M. Dyer, L. Upfold and A.B. Makhado

6. Updated description of Patagonian toothfish (Dissostichus eleginoides) tagging and ageing programs in Division 58.5.2, 1997–2015

   . This report describes the recent fishing and data collection activities in the fishery. The fleet has ... enhance the tagging program that was established in 1998, the fleet has increased tagging rate in this ... Division from 2 tags/3 tonnes to 2 tags/tonne. Tag overlap statistics across the fleet have been ... , considerably adding to information on the structure of the population. The ageing program at AAD has produced ...

   Meeting Document : WG-FSA-15/55 : Author(s): D.C. Welsford, B. Farmer, T.D. Lamb, C. Péron, E. Woodcock and P.E. Ziegler (Australia)

7. Annotated bibliography: seabird interactions with trawl fishing operations and cooperative research

   Abstract:  We briefly summarize the available literature (17 documents) on the nature of seabird ... interactions with trawl gear, efforts to date on the development of technologies to prevent these interactions ... , and management imperatives affecting the Alaska trawl fleet. We also summarize available literature on ... cooperative research with the fishing industry (2 documents). The purpose of this review was to bring this ...

   Meeting Document : WG-FSA-04/47 : Author(s): K. Dietrich and E. Melvin (USA)

8. Results of a hydroacoustic survey of Antarctic krill populations in CCAMLR Division 58.4.1 carried out in January to April 1996

   CCAMLR Division 58.4.1 for the purposes of estimating overall biomass (B0). The krill biomass in the area ... in the west of the survey area 800-1200E than in the 120°-150°E region. The majority of the krill ... detected were found in the top 80 metres of the water column. Author(s):  Higginbottom, I., de la Mare, W ...

   Meeting Document : WG-EMM-96/28 : Author(s): Higginbottom, I., de la Mare, W., Pauly, T., Nicol, S.

9. Mercury concentrations of five species of Antarctic fish collected from CCAMLR Subareas 88.1 and 88.2

   Abstract:  The mean mercury level for the D. eleginoides 1998 sample was 0.43 mg/kg-1, which is ... slightly lower than the permissible level of 0.5 mg/kg-1 set by the New Zealand Food Safety Authority ... (NZFSA). In contrast, mean levels of mercury for D. mawsoni were 0.10 mg/kg-1 in the 1998 samples and ... 0.16 mg/kg-1 in the 2006 samples, both of which are well below the permissible level. Mercury levels ...

   Meeting Document : WG-FSA-07/24 : Author(s): S.M. Hanchet, D.M. Tracey, A. Dunn, P.L. Horn and N. Smith (New Zealand)

10. Contrasting population changes in sympatric penguin species in association with climate warming

    conditions for some species. These include the congeneric Adélie, chinstrap and gentoo penguins, which now ... demonstrate remarkable population responses to regional warming. However, inconsistencies in the direction of ... population changes between species at different study sites complicate the understanding of causal processes ... . Here, we show that at the South Orkney Islands where the three species breed sympatrically, the less ...

    Meeting Document : WG-EMM-06/P3 : Author(s): J. Forcada, P.N. Trathan, K. Reid, E.J. Murphy and J.P. Croxall (United Kingdom)

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