Résultats de la recherche

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

   population growth rate. We used detailed data on daily individual nest survival in a year with frequent and ... colony level. Our results indicated that snow storms are an important determinant of nest survival and ... population responses to climate change.  Author(s):  S. Descamps, A. Tarroux, Ø. Varpe, N.G. Yoccoz, T ...

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

2. Ross Sea Biodiversity, Part I: validation of the 2007 CCAMLR Bioregionalisation Workshop results towards including the Ross Sea in a representative network of marine protected areas in the Southern Ocean

   meeting of CCAMLR's Scientific Committee and the Environmental Protocol's Committee on ... information presented herein show that the Ross Sea: Author(s):  D.G. Ainley, G. Ballard and J. Weller (USA ...

   Meeting Document : WG-EMM-10/11 : Auteur(s): D.G. Ainley, G. Ballard and J. Weller (USA)

3. COMPARISON OF THE PRECISION OF DIRECT VERSUS AGE LENGTH KEY METHODS OF ESTIMATING CATCH-AT-AGE PROPORTIONS

   employed, the ALK method can be used to obtain unbiased estimates from age-length samples that have been ... Abstract:  Catch-at-age proportions can be estimated directly using a simple random sample (SRS ... class. This “direct” method can be replaced by the age length key (ALK) method if there are in addition ... collected using unequal probability schemes with respect to length such as length bin random sampling (LBrs ...

   Meeting Document : WG-FSA-09/22 Rev. 1 : Auteur(s): S.G. Candy (Australia)

4. Key considerations for planning a large-scale krill survey

   , is now unlikely. However, future large-scale surveys may be possible with the engagement of the ... fishing industry. We recommend that any such large scale surveys should be coordinated through CCAMLR’s ... resource issues that must be addressed. We suggest that CCAMLR’s working groups should establish a process ... for addressing these issues if these groups consider that large-scale surveys are likely to be ...

   Meeting Document : WG-EMM-15/27 : Auteur(s): S. Hill, J. Watkins (United Kingdom), O.R. Godø (Norway), S. Kawaguchi (Australia), D. Kinzey, C. Reiss (USA), V. Siegel (Germany), P. Trathan (United Kingdom) and G. Watters (USA)

5. Preliminary estimation of ray by-catch in the longline fishery in Subarea 48.3

   brought on board and a number that are knocked off the line or fall off before they reach the deck. We ... estimated total capture (ray numbers) for some of vessels fishing in Subarea 48.3 in 2001 by utilising new ... independent of vessel records of landed and discarded rays. For the one vessel that we have good species ...

   Meeting Document : WG-FSA-02/55 : Auteur(s): D.J. Agnew, J. Pearce and M. Endicott (United Kingdom)

6. Proposal to trial daylight setting on longliners fishing for Dissostichus eleginoides for a 10 day period during the middle of winter during the fishing season in Subarea 48.3

   requesting the option to be able to set during daylight in Subarea 48.3 for safety reasons.  Recurrent ... cetacean presence also hampers fishing activities and the opportunity to daylight set would be beneficial ... between 1st July and 15th August (when there is the least bird activity). Author(s):  J. Brown (United ...

   Meeting Document : WG-IMAF-11/08 : Auteur(s): J. Brown (United Kingdom)

7. Scotia Sea Pygoscelid Penguin Tracking and Habitat Analysis Workshop

   considered that such models would be of critical value in the development of feedback management approaches ... Abstract:  During WG-EMM-14, it was noted that characterisation of overlap between land-breeding ... predators and the krill fishery was desirable throughout the Scotia Sea; it was recognised that such work ... could be advanced by either tracking animals originating from additional breeding colonies, or by using ...

   Meeting Document : WG-EMM-15/09 : Auteur(s): P.N. Trathan (United Kingdom), J.T. Hinke (USA) and B. Lascelles (BirdLife International)

8. Workshop Report – The Ross Sea: Science, Policy and the Public in a Pristine Marine Ecosystemt

   will be the last stretch of ocean on Earth, perhaps within the current century, that will embrace a ... , coincide closely with the criteria agreed to by the UN Convention for Biological Diversity to identify ... Ecologically and Biologically Significant Areas. Information revealed at the workshop indicated that the Ross ... Sea: on the basis that its northwestern shelf was an unglaciated refuge during recent glacial maxima ...

   Meeting Document : WG-EMM-09/14 : Auteur(s): J. Weller and D.G. Ainley (USA)

9. Large-scale oceanographic fluctuations drive Antarctic petrel survival and reproduction

   predators forage over large areas, these indirect e ects may be associated with large-scale patterns of ... literature review, combined with the results from our eld study, suggests that while the anticipated trends ... climate variability. Using global climate indices that are known to impact the Southern Ocean ecosystem ... that most of the variation in both reproductive success, timing of hatching, and survival of Antarctic ...

   Meeting Document : WG-EMM-16/P14 : Auteur(s): S. Descamps, A. Tarroux, S.-H. Lorentsen, O.P. Love, Ø. Varpe and N.G. Yoccoz

10. Modelling the impact of krill fishing on seal and penguin colonies

    spatial modelling framework that could be used to couple flux estimates with estimates of removals by both ... ) are necessary given that there is a flux of krill through this region with its islands habited by ... features with the Antarctic Peninsula ecosystem in that there is a substantial advective flux of either ... with the foraging area of land-based predators such as seals and penguins in the Antarctic Peninsula ...

    Meeting Document : WG-EMM-05/14 : Auteur(s): É.E. Plagányi and D.S. Butterworth (South Africa)

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