Результаты поиска

1. A versatile approach to minimise damage or loss of longline gear due to sea-ice

   quickly varying sea ice cover, there is an increased risk that any parts of longline gear floating on the ... informs FSA about the very successful experience gained by the Alfred Wegener Institute in using pop-up ... buoy recovery systems for short-term deployment of scientific instruments on the sea floor and invites ... FSA to: (1) to (re-)discuss the issue of damage or loss of longline gear due to sea ice, including the ...

   Meeting Document : WG-FSA-2019/04 : Автор(ы): S. Hain, T. Brey and K. Teschke

2. Milk consumption and growth efficiency in Antarctic fur seal (Arctocephalus gazella) pups

   Abstract:  The body composition, milk consumption, and growth efficiency of Antarctic fur seal ... , South Georgia. The body composition of pups differed between the sexes; whereas for any given age ... 3.2 kg (42-53 MJ) during the 6-day perinatal period and from 2.9 to 3.6 kg (49-68 MJ) during the 1- to ... 2-day maternal attendance periods (feeding bouts). There were no differences in milk consumption ...

   Meeting Document : WG-EMM-97/11 : Автор(ы): Socha, D.G., Arnould, J.P.Y., Boyd, I.L.

3. Possible causes of variation of Champsocephalus gunnari vertical and horizontal distribution

   Abstract:  C.gunnari form no aggregations during wintering period and inhabit places that are ... feeding period, they form aggregations near bottom thus being available for harvesting just at the ... the current year, continue feeding, but their feeding intensity considerably decreases and they ...

   Meeting Document : WAMI-01/08 : Автор(ы): Zh.A. Frolkina and S.M. Kasatkina (Russia)

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 ... conditions. Comparing model and reality indicates that deferred breeding could account for the discrepancy in ... one year, and for part of the differences in two other years, when mortality rates must also have been ...

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

5. First increment validation of Patagonian toothfish (Dissostichus eleginoides) from Heard Island

   represent annual events, no direct validation has been provided for the early growth of this species. In an ... one opaque and one translucent increment is formed each year on the sectioned face of sagittal ... assumed to cause interpretation differences was the position of the first increment that corresponded with ... the end of the first year of growth. While there is a general consensus that the observed increments ...

   Meeting Document : WG-FSA-05/61 : Автор(ы): K. Krusic-Golub, C. Green and R. Williams (Australia)

6. Seabird interaction with long-lining operations for Dissostichus eleginoides around South Georgia, April and May 1994

   mortalities recorded over twenty sets of the line; no mortalities occurred during hauls. The 16 sets made at ... night contributed 15% of the overall mortality, all of white-chinned petrels: the four day time sets ... decline, were disproportionately affected in relation to their numbers in the vicinity of the fishing ... vessel; giant petrels also may be disproportionately affected, at least in relation to the size of their ...

   Meeting Document : WG-IMALF-94/15 : Автор(ы): J.R. Ashford, J.P. Croxall (United Kingdom), P.S. Rubilar and C.A. Moreno (Chile)

7. Extinction risk of Antarctic and sub-Antarctic colonies of Pygoscelid penguins under climate change context

   Abstract:  Several studies have emphasized the variable abundance of Pygoscelid penguins from ... different colonies around Antarctica. In this study, the extinction risk of Adélie, Chinstrap and Gentoo ... penguins was evaluated in order to identify the most endangered colonies under present-day and future ... environmental scenarios. The extinction risk was estimated for twelve colonies from environmentally contrasting ...

   Meeting Document : WG-EMM-2019/74 : Автор(ы): M. Huerta and S.A. Estay

8. Proposals on standardization of toothfish resource research

   Abstract:  The methodology of modern trawl surveys carried out the ICES responsibility area is ... discussed in the context of discussion at the Scientific Committee and the CCAMLR Commission in 2018 ... regarding the longline survey methodology in Division 58.4.1. It is shown that the methodology of modern ... bottom trawl surveys requires a standardized design of the spatial location of trawl samples and standard ...

   Meeting Document : WG-SAM-2019/34 : Автор(ы): S. Kasatkina

9. Preliminary report on invertebrate by-catch in research blocks 58.4.1, 58.4.2, 54.4.3a and 58.4.4b

   indicators have been recorded as part of the C2 and also as part of observers data since CM 22.07 has been ... Workflow Status:  Content Approved Document Release Consent:  No Delegation responsibility for releasing ...

   Meeting Document : WG-FSA-18/51 : Автор(ы): M. Eléaume, C. Chazeau, A. Martin and J. Blettery

10. Integrated weight longlines with paired streamer lines – best management practice for demersal longline fisheries: preliminary results

    Abstract:  Minimizing the time gear is available to seabirds by increasing the sink rate of ... mitigation trials targeting Pacific cod in the Bering Sea, Alaska, USA. Our objective was to evaluate IW as a ... behaviour, sink rate of the gear and breaking strength. All mitigation technologies dramatically decreased ... seabird bycatch rates while having little to no effect on fish catch rates. Sink rate measurements ...

    Meeting Document : WG-FSA-06/52 : Автор(ы): K. Dietrich, E. Melvin and L. Conquest (USA)

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