Resultados de la búsqueda
-
CCAMLR conservation measures: a review
fishery conservation measures. These alternatives are proposed in CCAMLR-XX/20. Author(s): Secretariat ... living resources. The first measure was introduced in 1984, and the number of measures in force each year ... has grown rapidly since that time; 61 measures were in force in 2000/01. The majority of conservation ... measures focus on the management of fisheries and related activities, and most of these measures are in ...
Meeting Document : CCAMLR-XX/BG/04 : Autor(es): Secretariat
-
La pêche à la légine australe (Dissostichus eleginoides) à Kerguelen (secteur Indien de l'océan Austral)
Islands zone for 20 years, firstly with trawlers and more recently with longliners. It is the oldest ... Abstract: The Patagonian toothfish (Dissostichus eleginoides) has been fished in the Kerguelen ... fishery of the Indian sector of the Southern Ocean. However IUU fishing has appeared in 1997. A GLM ... fishery seems to have partially occulted this situation. In addition some biological facts (such as depth ...
Meeting Document : WG-FSA-05/27 : Autor(es): C. Lord, G. Duhamel et P. Pruvost (France)
-
The diet of black-browed albatrosses at the Diego Ramirez Islands, Chile
similar throughout the study, with diet being dominated by fish in all three years. Overall, the main ... -3.7% by mass), which are both fisheries-related species, and the squid Martialia hyadesi (8-20% by ... Front. The prevalence in the diet of fish species discarded from fishing operations, and the presence of ... fish hooks and fish bait species, indicates a strong association with fisheries in southern Chile ...
Meeting Document : WG-FSA-03/9 : Autor(es): J. Arata (Chile) and J.C. Xavier (United Kingdom)
-
Foraging behaviour of Antarctic fur seals during periods of contrasting prey abundance
Abstract: Published in Journal of Animal Ecology (1994) 63, 000-000 Author(s): I.L. Boyd, J.P.Y ...
Meeting Document : WG-CEMP-94/12 : Autor(es): I.L. Boyd, J.P.Y. Arnould, T. Barton and J.P. Croxall (United Kingdom)
-
Multiple acoustic estimates of krill density at South Georgia during 2000/2001 reveal significant intra-annual and spatial variability
that is consistent with observations from previous years, krill density in the western box mid-season ... around South Georgia in the 2000/2001 season: in October 2000 (early-season); during late December ... / early January 2000/2001 (mid-season), and in March 2001 (late-season). The surveys were the first in a ... early1980s). We hoped that conducting several surveys in one season would provide information on short-term ...
Meeting Document : WG-EMM-01/15 : Autor(es): A.S. Brierley, C. Goss, S.A. Grant, J.L. Watkins, K. Reid, M. Belchier, I. Everson, M.J. Jessop, V. Afanasyev and J. Robst (United Kingdom)
-
The migration patterns of Electrona carlsbergi (Tåning, 1932)
sectors of Antarctica E. carlsbergi is represented by immature specimens 7 to 8 cm in length and 2 years ... specimens in the Subantarctic zone, classified as a breeding area, decreases to 20-40%, while the number of ... mature specimens 8.5-11 cm in length and 3-5 years old increases. Based on the dynamic processes of the ... describes possible ways and means (mechanisms) by which this species carries out meridional migration in ...
Meeting Document : WG-FSA-93/18 : Autor(es): A.N. Kozlov (Russia)
-
Selecting sampling frequency for measuring diving behaviour
seals: an increase in interval from 5s to 15s resulted in 20% of dives being unrecognised, a 38 ... marine animals to the point where very detailed studies of variation in diving behaviour and performance ... between individuals, seasons and years are possible. The degree to which the sampling interval selected ... fur seals and southern elephant seals representative of the extremes of diving in pinnipeds. For both ...
Meeting Document : WG-CEMP-93/14 : Autor(es): I.L. Boyd (United Kingdom)
-
Male krill grow fast and die young
classes of adult krill was generally high in krill of 30-35 mm total length, always low in 38-42 mm krill ... examined with an extensive dataset derived from scientific surveys in the Indian Ocean sector and the ... southwest Atlantic sector, and from the krill fishery in the Southern Ocean. The percentage of males in size ... , sometimes showed higher values in 45-50 mm krill, but always decreased in the largest krill (>50 mm ...
Meeting Document : WG-EMM-07/P6 : Autor(es): S. Kawaguchi, L.A. Finley, S. Jarman, S.G. Candy (Australia), R.M. Ross, L.B. Quetin (USA), V. Siegel (Germany), W. Trivelpiece (USA), M. Naganobu (Japan) and S. Nicol (Australia)
-
Results and standing stock biomass estimates of finfish from the 2001 US AMLR bottom trawl survey of the South Shetland Islands (Subarea 48.1)
. rossii have not recovered even after commercial fishing has ceased for 20 years. The overall abundance of ... bottom trawl survey in March, 2001 of the South Shetland Islands. Information on species composition ... Survey. For most species, the standing stock has decreased slightly, although in most cases the 95 ... finfish in the South Shetland Islands has yet to reach a level at which commercial exploitation would be ...
Meeting Document : WG-FSA-01/33 Rev. 1 : Autor(es): C.D. Jones, K.-H. Kock, D. Ramm, J. Ashford, S. Wilhelms, T. Near, N. Gong and H. Flores
-
Distribution and ecology of Chaenocephalus aceratus (Channichthyidae) around South Georgia and Shag Rocks (Southern Ocean).
that growth was fast in the first five years with males and females attaining lengths at first spawning ... demersal fish living on the South Georgia shelf where it is caught in low numbers as by-catch in the ... in diet from Euphausia superba and mysids to benthic fish and decapods observed to begin at 250 mm TL ... . In larger fish (> 500 mm TL) the diet was dominated by fish. C. aceratus diet is sufficiently ...
Meeting Document : WG-FSA-07/P5 : Autor(es): W.D.K Reid, S. Clarke, M.A. Collins and M. Belchier. (Polar Biol., 30 (12): 1523–1533 (2007))