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

   heavy snow storms, and long term data on petrel productivity (i.e., number of chicks pro- duced) at the ... Abstract:  Weather extremes are one important element of ongoing climate change, but their impacts ... are poorly understood because they are, by definition, rare events. If the frequency and severity of ... consequences of such events. In this study, we aimed to quantify the effects of snow storms on nest survival in ...

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

2. Report of the WG-FSA Intersessional Subgroup on Sampling Catches from Longlines

   estimated sufficiently precisely at 25% coverage to be reasonably sure of detecting increases to ... ; 2) the allocation of observer effort within longline haul and between hauls; and 3) the allocation ... of observer effort directed toward fishery target species versus ecological interactions. Both ... activity by sampling every day of hauling. Both methods essentially follow a multi-stage cluster sampling ...

   Meeting Document : WG-FSA-02/52

3. SOUTHERN OCEAN SENTINEL: REPORT OF THE FIRST INTERNATIONAL WORKSHOP IN 2009

   held at the CCAMLR Headquarters in Hobart in April 2009. The conclusions of that workshop are provided ... to WG-EMM for consideration along with an overview, the program and abstracts of the keynote ... presentations. A report of the workshop will be submitted to the Scientific Committee for its considerations in ... October 2009, including discussion on the following questions: A key conclusion of the workshop was that ...

   Meeting Document : WG-EMM-09/37 : Author(s): A.J. Constable

4. A simulation study of krill fishing by an individual Japanese trawler

   statistics collected at present (centred primarily on catch per fishing time) are of low utility in detecting ... Abstract:  A model is set up for the operation (which includes both searching and fishing) of a ... Japanese krill trawler over a half-month period, and the output is compared to statistics from a sample of ... response of the index, or a response rather smaller in relative magnitude than the biomass decline. Catch ...

   Meeting Document : SC-CAMLR-VI/BG/38 : Author(s): D.S. Butterworth (United Kingdom)

5. Research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Division 58.4.2

   Abstract:  The current season (2014/15) is the final one of the first three-season research which ... by all effective vessels were analyzed for the improvement of stock assessment in the research blocks ... x seabed analogy method using updated CCAMLR C2 data and reference area sizes. The occurrence of ... juvenile fish for each ice shelf block suggests that the recruitment occurs along the ice-shelf zones of ...

   Meeting Document : WG-SAM-15/04 : Author(s): Delegation of Japan

6. Temporal changes in sighting density indices of baleen whales in CCAMLR Subareas 48.1 and 48.2 based on three circumpolar sighting surveys

   at-sea observations of cetaceans. Sighting data examined in this study were obtained during a series ... Abstract:  This paper examines temporal changes in distribution and sighting density indices of ... in EMM-15 that an analysis of historical cetacean surveys in IWC Area II could provide a context for ... of Antarctic sighting cruises for whale assessment purposes organized by the International Whaling ...

   Meeting Document : WG-EMM-16/26 : Author(s): L.A. Pastene and T. Hakamada

7. VARIATION IN DEMERSAL FISH SPECIES RICHNESS IN THE OCEANS SURROUNDING NEW ZEALAND: AN ANALYSIS USING BOOSTED REGRESSION TREES

   species richness, with highest richness occurring at depths of 900 to 1000 m, and with a broad plateau of ... characteristics using an extensive collection of trawl data from the oceans around New Zealand. Analyses were ... ‘stochastic gradient boosting’). Depth was the single most important environmental predictor of variation in ... concentrations of chlorophyll a and in zones of mixing of water bodies of contrasting origins. Local variation in ...

   Meeting Document : WS-VME-09/P04 : Author(s): Leathwick, J.R., Elith, J., Taylor, P., Francis, M.P., Hastie, T.

8. Subgroup on Assessment Methods: Report to the Working Group on Fish Stock Assessment 2002

   of the assessment subgroup when new quantitative methodologies are introduced and incorporated into ... assessments undertaken during the time of a single meeting of WG-FSA. Issues related to the current procedures ... activities of the assessment subgroup should be prioritised before the meeting to increase the efficiency and ... quality of the assessments. This paper amalgamates the correspondence from during the year and the papers ...

   Meeting Document : WG-FSA-02/80 : Author(s): A.J. Constable (Subgroup Coordinator)

9. Descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in Subareas 88.1 & 88.2 for the years 2000–01 to 2010–11

   and vice versa.. The total number of recaptures in 2010 and 2011 was at a similar level to 2007 and ... Abstract:  Descriptive analyses of the toothfish tagging programme in Subareas 88.1 and 88.2 are ... updated, including summaries of data for the 2011 season. Overall, a total of 28 458 Antarctic toothfish ... recaptured since 2001. In recent years, most vessels have achieved or exceeded the target tagging rate of one ...

   Meeting Document : WG-FSA-11/46 : Author(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)

10. Oxygen and carbon stable isotopes in otoliths record spatial isolation of Patagonian toothfish (Dissostichus eleginoides)

    depletion of δ13C at South Georgia compared to the Patagonian Shelf were most likely linked to differences ... otoliths of oceanic fish can resolve water masses and geographic areas, promising a powerful multivariate ... side of a population boundary, and otolith δ18O and δ13C values were measured to see if they could ... distinguish South American-caught fish from those taken in the Antarctic. Values of δ18O and δ13C predicted ...

    Meeting Document : WG-FSA-08/P03 : Author(s): J.R. Ashford and C.M. Jones

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