Resultados de la búsqueda
-
Notes on the availability of three important finfish species in offshore waters of the lower South Shetland Islands (Subarea 48.1)
Abstract: In 1998, an offshore scientific trawl survey of bottom fish sampling within the 50-500 ... m isobath of the lower South Shetlands Islands (King George Island to Low Island) was conducted. In ... addition, the abundance of two commercially important Antarctic fish, Notothenia rossii and Gobionotothen ... gibberifrons has been monitored relative to another potentially exploitable fish, Notothenia coriiceps, in the ...
Meeting Document : WG-FSA-99/31 : Autor(es): C.D. Jones (USA), E.R. Barrera-Oro, E.R. Marschoff and R.J. Casaux (Argentina)
-
Possible options for the future management of the Antarctic krill fishery in Subarea 48.2
. The proposed framework includes the use of CEMP sites, remote cameras at important land-based predator ... that might facilitate the development of new management procedures for the krill fishery in Area 48. In ... 2014, the state of ecological knowledge for Subarea 48.2 was reviewed, and it was suggested that the ... development of any new management approaches would be highly improbable based on the current level of ...
Meeting Document : WG-EMM-15/10 : Autor(es): P.N. Trathan (United Kingdom), O.R. Godø (Norway) and S.L. Hill (United Kingdom)
-
Results of the seventh Ross Sea shelf survey to monitor abundance of Antarctic toothfish in the southern Ross Sea, January 2018, and notification for research in 2018/19
mammalian toothfish predators: McMurdo Sound in 2018, and Terra Nova Bay surveyed in 2017. The estimated ... Abstract: At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... abundance from a well-designed survey would be a useful input into the Ross Sea stock assessment model. In ... this paper we provide results of the seventh annual survey in the time series. The objectives of this ...
Meeting Document : WG-SAM-18/10 : Autor(es): D. Stevens, X. Fu, S. Mormede and S. Parker
-
Consumption estimates for male Antarctic fur seals at the South Orkney Islands during the post mating migration
Abstract: The estimates of fur seal consumption of krill in subareas 48.1 to 48.3 which have been ... used in ecosystem modelling and CCAMLR’s risk assessment approach, are based on the distribution of fur ... their biomass is orders of magnitude less than those of penguins. As a result the estimates of fur seal ... consumption outside of the South Georgia region, where ~95% of the population breeds, are relatively ...
Meeting Document : WG-EMM-18/10 : Autor(es): I. Staniland and S. Hill
-
Using predators and their prey to characterise the status of the marine ecosystem at South Georgia
Abstract: Increased awareness about the present status of marine systems, including those where ... fisheries target the prey of natural predators, has led to recommendations about how information on the ... status of marine predators might be used to inform ecosystem-based management approaches. In the ... Antarctic, sustained ecological research has generated long-term data on the performance of marine predators ...
Meeting Document : WG-EMM-16/28 : Autor(es): P. Trathan, S. Fielding, S. Hill, M. Belchier and J. Forcada
-
Demographic studies of Antarctic krill Euphausia superba Dana in the Cooperation and Cosmonaut Seas (Indian sector of the Southern Ocean)
researchers in the Prydz Bay region for 1981-1985. In mid summer, E.superba of age 2+ to 4+ were predominant ... Abstract: The reproductive state and size composition of Euphausia superba collected in the ... Indian sector of the Southern Ocean from 1985 to 1990 were analyzed to estimate its growth, life span and ... mortality rates. The duration of the life cycle of E.superba exceeded 5 years in the Cosmonaut Sea and 6 ...
Meeting Document : WG-Krill-94/16 : Autor(es): E.A. Pakhomov (Ukraine)
-
The biology of the spiny icefish (Chaenodraco wilsoni Regan, 1914)
and Prydz Bay in the Indian Ocean sector (CCAMLR Statistical Division 58.4.2). This paper presents new ... Abstract: The most abundant icefish species observed in catches off the northern tip of the ... Antarctic Peninsula in the last 25- 30 years has been the spiny icefish Chaenodraco wilsoni Regan 1914. C ... . wilsoni has been exploited on a commercial scale from the late 1970’s to the end of the 1980’s off ...
Meeting Document : WG-FSA-07/P1 : Autor(es): K.-H. Kock, L.V. Pshenichnov, C.D. Jones, J. Gröger and R. Riehl. (Polar Biol., 31 (3): 381–393 (2007))
-
Descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in Subareas 88.1 & 88.2 for the years 2000–01 to 2010–11
Abstract: Descriptive analyses of the toothfish tagging programme in Subareas 88.1 and 88.2 are ... updated, including summaries of data for the 2011 season. Overall, a total of 28 458 Antarctic toothfish ... recaptured since 2001. In recent years, most vessels have achieved or exceeded the target tagging rate of one ... toothfish per tonne of catch in the Ross Sea region. Tag recapture data showed that most fish are recorded ...
Meeting Document : WG-FSA-11/46 : Autor(es): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
-
Workshop Report – The Ross Sea: Science, Policy and the Public in a Pristine Marine Ecosystemt
Abstract: Waters overlying the Ross Sea continental shelf and slope comprise slightly more than 3 ... % of the Southern Ocean, which is inconsequential, yet its attributes, as identified in this workshop ... , 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 ...
Meeting Document : WG-EMM-09/14 : Autor(es): J. Weller and D.G. Ainley (USA)
-
The food and feeding ecology of the white-chinned petrel Procellaria aequinoctialis at South Georgia
Abstract: The diet of the white-chinned petrel at Bird Island, South Georgia was studied during ... the chick-rearing period in 1986 by quantitative analysis (by weight, frequency of occurrence and ... number of individuals) of regurgitated or lavaged adult stomach contents. Antarctic krill was the most ... important constituent of the diet, comprising over 90% of prey items and forming 47% of the diet by weight ...
Meeting Document : WG-CEMP-94/14 : Autor(es): J.P. Croxall, A.J. Hall, H.J. Hill, A.W. North and P.G. Rodhouse (United Kingdom)