Результаты поиска

1. MULTIPLE INDICATORS SUGGEST A STRONG ECOSYSTEM ANOMALY AT SOUTH GEORGIA IN 2009

   local oceanographic and atmospheric conditions. Much of the observed variability in various fitness ... diets and low krill biomass in the regularly surveyed “Western Core Box”. Consequently many of the ... lowest level in over two decades of monitoring. These observations provide support for the idea that ... krill is a major mediator of climatic effects on the ecosystem. They also suggest that icefish diets, in ...

   Meeting Document : WG-EMM-09/23 : Автор(ы): S. Hill, M. Belchier, M. Collins, S. Fielding, E. Murphy, P. Trathan, H. Venables and C. Waluda (United Kingdom)

2. Revised joint research proposal for Dissostichus spp. in Subarea 88.3 by Korea and New Zealand

   the abundance of Antarctic toothfish in Subarea 88.3. Secondary objectives are to improve ... understanding of stock structure of toothfish in this area, to carry out calibration trials between the two ... released on the slope, whilst also prospecting two of the northern seamount complexes and two boxes on the ... southern shelf, where little or no fishing has occurred. The main objective of the proposal is to determine ...

   Meeting Document : WG-FSA-18/42 : Автор(ы): Delegations of the Republic of Korea and New Zealand

3. 2015-16 Research plan in Division 58.4.4 for Dissostichus spp.

   estimated around 700 tonnes. CASAL model is updated with 2014 data but in the absence of an assessment using ... Abstract:  Regarding the low levels of stocks of Dissostichus spp. and the high levels of IUU ... fishing, CCAMLR decided to close the fishery in 2002 in division 58.4.4. Since 2008 only one vessel ... 24-01. In 2014, WG-FSA agreed research fishing conducted in the research blocks C and D by two ...

   Meeting Document : WG-SAM-15/52 : Автор(ы): Delegation of France

4. Implanted identification tags in penguins: implantation methods, tag reliability and long-term effects (draft version)

   site may also compromise survival in some individuals. These risk factors could limit the use of ... to overcome. The use of implanted transponders in demographic studies is recommended as an ... identifying individual penguins by both manual and automated means. We have found the survival of tagged ... problems associated with the use of implanted devices. The transponder removed from one bird had developed ...

   Meeting Document : WG-EMM-Methods-96/08 : Автор(ы): Kerry, K., Clarke, J.

5. Some changes observed in Antarctic seabird distribution and behaviour

   avoidance by BA in the area of the cold Weddell Sea waters penetrating North along the archipelago. Author(s ... - Kaliningrad from 1999 November to 2000 April are analyzed. Significant shift of the southern boundary range of ... fact may be explained by abundance fluctuation or shift of the Southern Polar Front to the South ... archipelago very low abundance area of blackbrowed albatross is revealed. The phenomenon may be explained by ...

   Meeting Document : WG-EMM-00/36 : Автор(ы): F. Litvinov (Russia)

6. Report on fish by-catch during exploratory fishing activities in Division 58.4.3a (Elan Bank) between 2008 and 2018

   -annual variations in bycatch patterns, spatial distribution and biological parameters of the main bycatch ... autolines operated. Skate bycatch was higher in shallower waters (900m-1200m) and the frequency of hauls ... post-released survival rate, we cannot rule out the fact that the use of longlines, and in particular ... Abstract:  We report on objective 2 “inform estimations of the distribution, relative abundance ...

   Meeting Document : WG-FSA-2019/56 : Автор(ы): C. Péron, C. Chazeau, N. Gasco and F. Massiot-Granier

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

   before decreasing significantly in the last 30-40 days of lactation. Per-bout milk consumption was ... consumption was determined on 388 occasions in 177 pups. Mean estimates of milk consumption ranged from 2.5 to ... 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 ...

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

8. Using data recorded during commercial krill fishing in Feedback Management

   same time the data might inform about patterns in the ecosystem of importance to FBM. Similarly ... distribution and abundance of krill in the South Orkney Islands. However, due to the lack of survey design ... might inform about some of this uncertainties. In this paper we discuss how the information of these two ... statistical handling of the collected data into stock abundance information. Godø et al. (2015) (WG-EMM-15/13 ...

   Meeting Document : WG-EMM-16/74 : Автор(ы): O.R. Godø, G. Skaret and E. Niklitschek

9. Change-in-ratio and index-removal methods for population assessment and their application to snow crab (Chionoecetes opilio)

   composition, in order to use these methods. We use the methods to estimate the population of legal-size snow ... for fisheries studies. We also show how to combine the two approaches in a single estimator. It is ... crabs (Chionoecetes opillio) in St. Mary's Bay, Newfoundland, before and after the fishery, and to ... of pre-recruits but this requires the assumption of equal catch ability of all animals, a condition ...

   Meeting Document : WS-CRAB-93/10 : Автор(ы): X. Xu, E.G. Dawe and J.M. Hoenig (USA)

10. Hook loss in CCAMLR exploratory fisheries

    lines requires an estimate of the number of lost hooks that are attached to sections of line. In 2011 ... attached to sections of lines.  In 2012 15 of the 26 vessel/fishery reports provided non-zero data with an ... to be reiterated in order to achieve a greater level of engagement with the requirements to complete ... Abstract:  The development of methods to estimate unaccounted fishing mortality from lost fishing ...

    Meeting Document : WG-FSA-12/65 : Автор(ы): Secretariat

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