Resultados de la búsqueda

1. Preliminary results of the experiments on the krill transport study in the South Orkney area (April 1992)

   within the square of 30 x 30 miles northwestwards of Coronation Island in the fishing fleet operation ... area. The krill biomass was estimated within the square at the start and the end of works. It amounted ... assessment of krill density and oceanological stations were carried out along the square perimeter. Four ... dublicates of perimeter were made. Control hauls with midwater trawl were made on the regular basis. The ...

   Meeting Document : WG-CEMP-92/34 : Autor(es): L.G. Maklygin, V.N. Shnar, A.P. Malyshko (Russian Federation) and A.G. Shepelev (Ukraine)

2. 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 : Autor(es): A.T. Kochergin (USSR)

3. Update on the external review of the Generalised Yield Model (GYM) software and manual

   Abstract:  In 2003, WG-FSA requested that the Secretariat supervise an external review of the GYM ... included: • Members providing guidance on the scope of the review; • Members proposing appropriate ... independent experts to conduct the review; • Reviewer to complete the review by end of June 2004 and report to ... for expressions of interest for the review was made in March 2004 (SC CIRC 04/06); the deadline for ...

   Meeting Document : WG-FSA-SAM-04/05 : Autor(es): CCAMLR Secretariat

4. 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 : Autor(es): G.A.Tarling, T. Klevjer, S. Fielding, J. Watkins, A. Atkinson, E. Murphy, R. Korb, M. Whitehouse and R. Leaper

5. 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 : Autor(es): S. Candy, D. Welsford, T. Lamb, J. Verdouw and J. Hutchins (Australia)

6. 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 : Autor(es): R.A. Benedet (United Kingdom)

7. 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 : Autor(es): CCAMLR Secretariat

8. Quantifying the escape mortality of trawl caught Antarctic krill (Euphausia superba)

   of which are expected to increase. However, many of the length classes of krill can escape through ... commonly used commercial trawl mesh sizes. A vital component of the overall management of a fishery is to ... estimate the total fishing mortality and quantify the mortality rate of individuals that escape from ... mortality rates of escaped krill. Haul duration, hydrological conditions, maximum fishing depth and catch ...

   Meeting Document : WG-EMM-16/04 : Autor(es): B.A. Krafft, L.A. Krag, A. Engås, S. Nordrum, I. Bruheim and B. Herrmann

9. By-catch of morid cods (Gadiformes: Moridae) in the CCAMLR area and adjacent areas during commercial fishing and research surveys

   distributions, size composition and abundance of morids in the CCAMLR and adjacent areas. The main goal is to ... detection of areas and depths of their aggregations, by reveal of presence/absence of spatial and vertical ... migrations and by study of their seasonal and multi-annual variations. Results will be used for preparation ... of conservation measures allowing for preservation these vulnerable by-catch species from irreparable ...

   Meeting Document : WG-EMM-16/24 : Autor(es): Delegation of the Russian Federation

10. High-resolution ocean modelling of the South Georgia and South Orkney Islands regions

    South Orkney Islands is highly productive, with a history of commercial exploitation. Many of the key ... oceanographic and ecological processes that determine the structure and functioning of this ecosystem operate ... over small scales of <10 km. Historically, these fine spatial scales have been poorly represented in ... numerical models. Here we describe the development of two regional ocean models that will be used to examine ...

    Meeting Document : WG-EMM-16/15 : Autor(es): E. Young, E. Murphy and P. Trathan

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