Результаты поиска
-
PROPERTIES OF WATER DYNAMICS AND KRILL DISTRIBUTION IN THE SOUTH SANDWICH ISLANDS SUBAREA
Abstract: of mean krill density in Subarea 48.4 there are premises for formation of the zones ... with meanders and eddy favorable for krill concentration. Here, in the cold water of the Weddell Sea ... , the main part of biomass of Subarea 48.4, are concentrated. In January-February, 2000, almost 60% of ... than 150 g/m2.. Properties of the zones with increased density: these zones are associated with ...
Meeting Document : WG-EMM-09/44 Rev. 1 : Автор(ы): S.M. Kasatkina and V.N. Shnar (Russia)
-
Length composition, sex ratio, and pre-spawning migration of Dissostichus eleginoides in Subarea 48.3 during 1995
in 1994/95 took place in two major fishing grounds, West of Shag Rocks (Wshag) and North-West of ... South Georgia (NWSG). In March there was a high proportion of large females at Wshag (72%) but a nearly ... equal proportion of males and females at NWSG. It is suggested that a strong influx of small fish at ... Wshag in April reduced the mean length in the catch and increased CPUE (numbers of fish per hook ...
Meeting Document : WG-FSA-95/27 Rev. 1 : Автор(ы): Agnew, D.J.
-
The effects of an experimental hake Merluccius capensis/paradoxus longline fishery on Procellariiform seabirds in South Africa - a preliminary investigation
Abstract: Due to the detrimental effect longline fisheries have had on seabirds in other parts of ... Procellariiform seabirds in South Africa. Carcases of Procellariiform seabirds caught on Hake longlines during ... 100% of the catch on longlines during setting despite the fact that they were not the most abundant ... regression suggested that light intensity was the critical factor explaining variation in the number of ...
Meeting Document : WG-FSA-95/21 : Автор(ы): Barnes, K.
-
Estimation of primary organic matter production intensity and its interannual changeability in the Cooperation Sea region
Abstract: Complexity of direct determination o£ production intensity obliges the investigators to ... use indirect methods.In this work the method of calculation is based on the estimate of winter ... . The calculation showed considerable interannual changeability of production intensity,having the ... indications of three-year cyclicity:production maxima were noted in 1979, 1982, 1985 and 1988. The sychronism ...
Meeting Document : WG-CEMP-91/32 : Автор(ы): A.T. Kochergin (USSR)
-
Variability and predictability of Antarctic krill swarm structure
Abstract: Swarming is a fundamental part of the life of Euphausia superba, yet we still know very ... -concentration and inter-swarm distance of 4525 swarms was derived by this method. Hierarchical clustering ... ) whereas type 2 swarms were an order of magnitude larger and had packing concentrations up to 10 times ... greater. Further sub-divisions of these types identified small and standard swarms within the type 1 group ...
Meeting Document : WG-EMM-10/P10 : Автор(ы): G.A.Tarling, T. Klevjer, S. Fielding, J. Watkins, A. Atkinson, E. Murphy, R. Korb, M. Whitehouse and R. Leaper
-
Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald Islands using catch-at-age and aged mark-recapture data from the main trawl ground
to the main trawl ground in which the longest time series of catches and the great majority of ... releases and recaptures of tagged fish were available. Catch and releases by age class for this fishery ... years 1998 to 2008. A large proportion of the recaptures of fish released in this fishery were aged and ... of the properties of these two models for estimation of M used simulation. In application to the data ...
Meeting Document : WG-FSA-10/41 : Автор(ы): S. Candy, D. Welsford, T. Lamb, J. Verdouw and J. Hutchins (Australia)
-
The use of electronic monitoring camera system for the toothfish fishery in CCAMLR Subarea 48.3: a study case to help CCAMLR
Abstract: Sampling methods to determine the composition and nature of the catch of the longlining ... CCAMLR observers deployed on the fishing fleet. The collection of this data is important for the ... assessment and management of the fishery. This independent estimation of the total catch in the fishery ... a reasonable figure/rate of line observation for each setting of the lines. A video recording system ...
Meeting Document : WG-FSA-14/27 : Автор(ы): R.A. Benedet (United Kingdom)
-
Comparing surface and planimetric area across multiple scales and assessing the impact of different data sources on seabed area estimation in research blocks in the CAMLR Convention Area
surface) is rarely estimated. The aims of this paper are to examine differences in: (1) planimetric seabed ... Abstract: Having accurate surface area estimates of toothfish (Dissostichus spp) habitats is ... important for CCAMLR in estimating the fishable biomass of these species in data-poor areas, developing ... scientific survey designs and models of habitat use. Planimetric seabed areas (i.e. a two-dimensional ...
Meeting Document : WG-SAM-15/01 : Автор(ы): CCAMLR Secretariat
-
Report on the monitoring program of chinstrap and gentoo penguins at Narębski Point (ASPA No. 171), King George Island, since 2006
Abstract: Korea Polar Research Institute, with support of the Korean Ministry of Environment, has ... conducted an annual survey on the breeding biology of Chinstrap (Pygoscelis antarctica) and Gentoo penguins ... (Pygoscelis papua) as a part of a long-term ecological research at Narębski Point (Antarctic Specially ... Protected Area, No. 171), Barton Peninsula on King George Island. Since 2012/2013, the number of breeding ...
Meeting Document : WG-EMM-16/62 : Автор(ы): Delegation of the Republic of Korea
-
An update on the ageing of Antarctic toothfish, Dissostichus mawsoni, from East Antarctica and the Amundsen Sea
Abstract: This paper presents an update on the ageing of Antarctic toothfish, Dissostichus ... , experienced readers at the Australian Antarctic Division (AAD) read a subset of 40 otoliths from the New ... against the New Zealand reference ages showing a high level of precision (all IAPE < 5%, CV < 7 ... %). Sister pairs of Antarctic toothfish otoliths were also prepared, one using the ‘bake and embed’ method ...
Meeting Document : WG-FSA-17/15 : Автор(ы): G. Nowara, B. Farmer, T. Barnes, P. Ziegler and D. Welsford
Страницы
- « первая
- ‹ предыдущая
- …
- 316
- 317
- 318
- 319
- 320
- 321
- 322
- 323
- 324
- …
- следующая ›
- последняя »