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1. ANALYSIS OF KRILL OBSERVER COVERAGE IN SUBAREA 48.3

   been implemented since 2002. Observers have been placed on approximately 50% of vessels fishing in any ... one season, and have been present on board for about 30% of the fishing season. They have achieved a ... rate of sampling equivalent to 18% of total hauls taken in a season being sampled for krill and 11% for ... variance, the between vessel variance being about 45% of total variance. However, the ratio is sufficiently ...

   Meeting Document : WG-EMM-09/25 : Author(s): D.J. Agnew, P. Grove, T. Peatman, R. Burns and C. Edwards (United Kingdom)

2. RESPONSE OF ANTARCTIC BENTHIC COMMUNITIES TO DISTURBANCE: WRST RESULTS FROM THE ARTIWCIAL BENTHIC DISTURBANCE EXPERIMENT ON THE EASTERN WEDDELL SEA SHELF, ANTARCTICA

   simulate the impact of grounding icebergs on the seabed and follow the steps and timescales of recovery of ... this experimental field study. By means of 11 densely-placed hauls with a modified bottom trawl, a ... seabed area of approximately 100 x 1000 m was artificially scoured to inflict a similar damage to the ... drastically reduced by a factor of 10, while mean abundances were only slightly reduced. Demersal fish biomass ...

   Meeting Document : WS-VME-09/P05 : Author(s): Rossi, S., Mintenbeck, K., Knust, R., Isla, E., Gerdes, D.

3. Net sample validation of acoustic techniques used to identify and size Antarctic krill

   identified and distinguished from all other types of backscatter. Traditionally this has been achieved by ... sampling characteristic types of acoustic target with nets. More recently partitioning of backscatter into ... the functionality of acoustic target identification techniques. Mean volume backscattering strength ... collected with an RMT8. Around 80 % of the targets thought to be krill on the basis of their appearance on ...

   Meeting Document : WG-EMM-97/46 : Author(s): Watkins, J.L., Brierley, A.S.

4. Population change in gentoo penguins Pygoscelis papua at South Georgia: potential roles of adult survival, recruitment and deferred breeding

   survival and recruitment rates, to model the fluctuations in breeding populations, taking account of ... variations introduced by good and bad years (as classified on the basis of breeding success). There is ... major population changes (large decreases followed by substantial increases) occurred. Three of these ... years were associated with reduced availability of krill, one with very cold winter and spring ...

   Meeting Document : WG-CEMP-93/08 : Author(s): J.P. Croxall and P. Rothery (United Kingdom)

5. Apparent decrease of Weddell seal numbers in the western Ross Sea

   Edisto-Moubray as well. The timing of decline, or perhaps spreading (low numbers of seals in more places ... . We analyzed both historic and satellite-derived ice data but found only an expansion of pack ice in ... the larger region and a thinning of fast ice along Victoria Land (conceivably beneficial to seals ... ). Timing of freeze and breakup of the fast ice remains the same. The only other major change to the Ross ...

   Meeting Document : WG-EMM-14/44 : Author(s): D.G. Ainley, M.A. Larue (USA), I. Stirling (Canada), S. Stammerjohn and D.B. Siniff (USA)

6. Descriptive analysis of haul data from FV Atlantic Navigator in Elephant Islands (48.1), South Georgia Islands (48.3) and South Orkney Islands (48.3) krill fishery (summer 2004 to early winter 2005)

   (early winter 2005) with a total of 251 days of effective fishing. Descriptive study of the fishery ... continuous fishing system with air-bubbling suspension and suction of capture (CFS). Individual haul data ... were analyzed to describe differentialy catch rates (catch per day and catch per minute) of the three ... different fishing zones studied. The total catch registered was 41837 tonnes: 50% of this capture was ...

   Meeting Document : WG-EMM-05/12 : Author(s): O. Pin, H. Nión, E. Delfino and P. Meneses (Uruguay)

7. SPATIAL DISTRIBUTION AND AGE STRUCTURE OF THE ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN THE ROSS SEA, ANTARCTICA

   the availability of habitat is critical to the long-term viability of the population. Antarctic ... assess the availability of habitat for Antarctic toothfish a benthic habitat map of the Ross Sea was ... were consistent with an ontogenetic movement of fish from shallow continental shelf habitats to deep ... individuals were found on ridges in the northern Ross Sea, consistent with the hypothesis of an austral summer ...

   Meeting Document : WG-FSA-08/18 : Author(s): C.M. Brooks and J.R. Ashford (USA)

8. Summary of VME notifications made under Conservation Measures 22-06 and 22-07

   the Secretariat of encounters, and potential encounters with vulnerable marine ecosystems (VMEs ... ). Notifications are made either under CM 22-07 in the case of encounters with potential VMEs during the course of ... received a total of 30 notifications of encounters with VMEs in 2008/09 arising from research surveys (CM ... ) and 88.2 (19 notifications). A total of 53 notifications have been received, of which 29 were made in ...

   Meeting Document : WG-EMM-10/07 : Author(s): Secretariat

9. Temperature-dependent growth of Thysanoessa macrura: inter-annual and spatial variability

   Abstract:  Somatic growth of pelagic invertebrates is controlled by temperature and food, both of ... variability in growth rates of highly abundant zooplankton is critical to predict the impact of climate change ... apart to estimate growth rates of one the most euphausiids in the Southern Ocean, Thysanoessa macrura ... growth. Growth rates of T. macrura varied between years and water masses, ranging from-0.037 mm day-1 in ...

   Meeting Document : WG-EMM-13/39 : Author(s): R.M. Driscoll, C.S. Reiss and B.T. Hentschel (USA)

10. A proposal to progress implementation of the CCAMLR SISO Review Panel recommendations

    Abstract:  The United States  proposes to revise the text of the CCAMLR System of International ... Scientific Observation (SISO) to implement certain recommendations of the SISO Review Panel and establish ... Parties to apply the data collection and observer safety provisions of SISO, mutatis mutandis, to their ... national observers deployed in CCAMLR fisheries. Author(s):  Delegation of the USA Title:  A proposal to ...

    Meeting Document : CCAMLR-XXXVI/25 : Author(s): Delegation of the USA

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