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1. Southern Ocean Network of Acoustics (SONA): Report on Acoustic Processing and Methods Workshop, Vigo, 24–25 April 2016

   partners and invited guests to discuss acoustic processing methods and future directions. Five agenda items ... In April 2016 Southern Ocean Network of Acoustics (SONA) hosted a workshop of its partners ...

   Meeting Document : WG-EMM-16/36 : Author(s): S. Fielding, J. Thomas, C. Anderson, A. Conchon, A. Cossio, A. Dunford, P. Escobar-Flores, J. Horne, T. Jarvis, R. Kloser and T. Ryan

2. Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea

   respectively) produced estimated ages at maturity of 6–7 years for males and 8–11 years for females. These ... estimates are near the middle to upper end of the range of ages at maturity for skates worldwide. Author(s ... Abstract:  X-rays of vertebral half-centra, and X-rays and transmitted white light examination of ... caudal thorns, were used to estimate the ages of Amblyraja georgiana from the Ross Sea. Caudal thorns ...

   Meeting Document : WG-FSA-04/29 : Author(s): M.P. Francis and C. Ó Maolagáin (New Zealand)

3. Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea, Antarctica

   longline vessels operating in the Ross Sea were requested to randomly collect the first two icefish ... will be requested to collect small icefish (≤28 cm TL). The current work produced ages ranging between 1 and 11 ... . ccamlr.org/pu/e/e_pubs/sb/vol20.htm. Chang, W.Y.B. 1982. A statistical method for evalu- ating ... the data. Length-at-maturity and age-at-maturity ogives indicated that 50% of the fish sampled were ... mature at about 340–360 mm total length (TL) and about 3–4 years of age, and that 95% were mature at ... , meristics, reproductive biology, diet and age estimation. All of the icefish sampled were identified as ... between December and February, but this was limited, probably due to the short temporal distribution of ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 139–165 : Author(s): Sutton, C.P., M.J. Manning, D.W. Stevens and P.M. Marriott

4. Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea

   ages at maturity of 6–7 years for males and 8–11 years for females. These estimates are near the middle ... to upper end of the range of ages at maturity for skates worldwide. The results of this study are ... Paper Title:  Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea Abstract ... / Description:  X-rays of vertebral half-centra, and x-rays and transmitted white light examination of caudal ... maturity for males and females (64 and 66–69 cm PL respectively) produced estimated ages at maturity of 6 ... the range of ages at maturity for skates worldwide. The results of this study are preliminary and ... -rays were taken of half-centra with a Phillips 45 kV X-ray machine at 5 mA. Caudal thorns were ... toothfi sh (Dissostichus mawsoni) stomach and preserved at the Museum of New Zealand (NMNZ P37792) were ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 183–194 : Author(s): Francis, M.P. and C. Ó Maolagáin

5. Beach litter survey Signy Island, South Orkney Islands, 1993/94

   clues regarding their origin noted. At Foca Cove, a total of 118 items were recovered with a combined ... weight of 18.35 kg. At Cummings Cove, a total of 170 items were recovered (6.21 kg) and at Starfish Cove ... trend has been reversed. For example, at Foca Cove, the total weight of debris recovered rose to 18.35 ... debris at Signy Island are unknown. There has been no increase in the number of research or tourist ...

   Meeting Document : CCAMLR-XIII/BG/11 : Author(s): Delegation of United Kingdom

6. Influence of tag numbers, size of tagged fish, duration of the tagging program, and auxiliary data on bias and precision of an integrated stock assessment

   recaptures and maximise the likelihood of a robust assessment. (2) Using catch-at-age data instead of catch ... collection, this study investigated how the bias and precision of a CASAL assessment is influenced by various ... aspects of a tagging program, in particular the effects of the numbers of fish tagged, the duration of a ... tagging program, the size of tagged fish, and the type of auxiliary data used in the assessment. The ...

   Meeting Document : WG-SAM-12/24 : Author(s): P.E. Ziegler (Australia)

7. Population assessment of Patagonian toothfish in Subarea 48.4

   addition of catch at age information for 2011, a minor change to the initial parameters of the selection ... pattern and the inclusion of additional information on size at age. CASAL estimates of stock size, harvest ... rate and recruitment are similar to those of last year’s assessment. B 0 is estimated at around 1,690 ... Abstract:  This paper presents an update of the assessment of toothfish (Dissostichus spp.) in ...

   Meeting Document : WG-FSA-12/36 : Author(s): R. Scott (United Kingdom)

8. Impacts of rising sea temperature on krill increase risks for predators in the Scotia Sea

   minimally realistic ecosystem model to examine how projected effects of ocean warming on the growth of ... Antarctic krill, Euphausia superba, might affect populations of krill and dependent predators (whales ... for predators by curtailing krill fishing at different points in the 21st century. The projected ... effects of ocean warming on krill biomass were strongest in the northern Scotia Sea, with a ≥ 40% decline ...

   Meeting Document : WG-EMM-18/P02 : Author(s): E.S. Klein, S.L. Hill, J.T. Hinke, T. Phillips and G.M. Watters

9. Differentiation of independent populations of Antarctic krill

   pattern ofEuphausia superba Dana. Trudy VNIRO, v. 77, p. 85-92. Makarov R.R. 1974. Dominance of larval ... -populations is expected to correspond with the number of quasi-stationary cyclonic water circulations. At ... present, at least six stable cyclonic water circulations can be found and at least two or three of them ... Paper Title:  Differentiation of independent populations of Antarctic krill Abstract / Description ... :  Several countries have recently shown an interest in commercial krill fishing. An understanding of krill ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 275-281 : Author(s): USSR

10. Do the males of Dissostichus eleginoides grow faster, or only mature before females?

    maturity at age and not due to the growth rate. Based on this sample of 434 females and 398 males, it is ... Helena and Cisne Verde during August of 1997-and utilized by the WG-FSA-97 to build the maturity ogives ... concluded that the males mature for the first time at 4 years age and females at 10 years age, reaching 100 ... % maturity at 12 years age the males and 21 years age the females. Author(s):  C.A. Moreno (Chile) Title:  Do ...

    Meeting Document : WG-FSA-98/16 Rev. 1 : Author(s): C.A. Moreno (Chile)

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