Результаты поиска
-
Network characterisation of the food-web of the Ross Sea, Antarctica
pronounced peak in biomass in the lower-middle part of the food-web, a result of high biomass of ... Abstract: A balanced ecosystem model is used to explore the system-level characteristics of the ... food-web of the Ross Sea shelf and slope before the advent of commercial fishing for Antarctic ... toothfish (Dissostichus mawsoni) in the region. We evaluate: (1) biomass and flow of organic matter by ...
Meeting Document : WG-EMM-12/53 : Автор(ы): M.H. Pinkerton and J.M. Bradford-Grieve (New Zealand)
-
On the problem of diurnal migrations of some fish species on the South Georgia shelf (Subarea 48.3)
substantial variations in middle size fry of both species were found at different depth levels during 24-hour ... Abstract: The results of experiments on the South Georgia Shelf carried out in the period of 1986 ... to 1990 have been presented. Six (6) daily stations were occupied where vertical distribution of fry ... and young individuals (including adult specimens) of Champsocephalus gunnari, Champsocephalus aceratus ...
Meeting Document : WG-FSA-99/64 : Автор(ы): I.A. Trunov, J.A. Frolkina and M.P. Konstantinova (Russia)
-
Winter distribution of chinstrap penguins from two breeding sites in the South Shetland Islands of Antarctica
and range in the middle of the past century. Author(s): W.Z. Trivelpiece, S. Buckelew, C. Reiss and ... Abstract: Satellite telemetry was used to determine the winter movements and distributions of ... eight chinstrap penguins known to breed at one of two colonies in the South Shetland Islands, Antarctic ... that 4 of the birds instrumented in the 2000 winter, two from each colony, foraged largely on the shelf ...
Meeting Document : WG-EMM-06/17 : Автор(ы): W.Z. Trivelpiece, S. Buckelew, C. Reiss and S.G. Trivelpiece (USA)
-
Assessment of the status of the toothfish stock in Subarea 48.3
loss rates and fishery age-based selectivity. Estimations based on local depletions of toothfish ... Abstract: We conducted several different assessments of toothfish in Subarea 48.3 using four ... apparently not sufficient to generate realistic estimates of current biomass using GYM. ASPM runs coded in AD ... likely current exploitable biomass of toothfish in Subarea 48.3 is between 45,000 and 62,000 t. GYM was ...
Meeting Document : WG-FSA-04/82 : Автор(ы): D.J. Agnew and G.P. Kirkwood (United Kingdom)
-
MaxEnt reconstructions of krill distribution and estimates of krill density from acoustic surveys at South Georgia 1996–2000
of mean krill density within two survey boxes of dimensions 80 km x 100 km to the north east and ... Abstract: We present Maximum Entropy (MaxEnt) reconstructions of krill distribution and estimates ... north west of South Georgia. The reconstructions are generated from acoustic line transect survey data ... approximately 0.5 km intervals along transect for each of the ten 80 km transects in each box, providing about ...
Meeting Document : WG-EMM-02/36 : Автор(ы): M.H. Wafy, A.S. Brierley, S.F. Gull and J.L. Watkins (United Kingdom)
-
The distribution pattern and fishery for the Antarctic krill (Euphausia superba) off the Wilkes Land and Balleny Islands (with notes on the application of CPUE data as indices of krill abundance)
of their occurence is the highest in the whole East Indian and West Pacific Anrarctic. This seems to ... Abstract: Hydrological conditions, the distributiion pattern of krill and characteristics of the ... variability of some CPUE indeces (TC/TH/PPST; TC/TFISHT; TC/TFISHT/PPST) is analysed on the basis of data ... °- 150° E) are likely to be. an area of regular occurence of krill concentrations, probably the frequency ...
Meeting Document : WG-KRILL-90/16 : Автор(ы): V.N. Dolzhenkov, E.A. Kovalev, V.A. Spiridonov, V.P. Timonin, I.A. Zhigalov (USSR)
-
The development of spatially and temporally controlled measures of survival and tag-detection for the CCAMLR tagging program
effort (e.g. vessel, vessel-trip). We developed indices to compare (i) the tag detection rate of ... management by CCAMLR of a number of toothfish fisheries in Antarctica. The evaluation of the tagging ... programme relies on two key aspects (i) that the tagged fish have a good chance of survival and (ii) that ... tagging performance in relation to these two aspects has been thus far inconclusive because of confounding ...
Meeting Document : WG-SAM-12/30 : Автор(ы): S. Mormede and A. Dunn (New Zealand)
-
Seabird and longline interactions: effects of a bird-scaring streamer line and line shooter on the incidental capture of northern fulmars Fulmarus glacialis
coast of Norway. We compared the bycatch rate of northern fulmars Fulmarus glacialis, the loss rate of ... baits to fulmars and the catch rates of fish target species among lines set with either of these ... mitigation measures, a combination of both and no mitigation measure. A total of 58,420 hooks were set in ... each of the four treatments. No birds were caught using the bird-scaring line alone and a single fulmar ...
Meeting Document : WG-FSA-01/78 : Автор(ы): S. Løkkeborg (Norway) and G. Robertson (Australia)
-
INFORMATION ON ILLEGAL FISHING IN STATISTICAL AREA 58 ASSESSMENT OF ILLEGAL FISHING IN FRENCH WATERS AROUND KERGUELEN AND CROZET ISLANDS REPORT OF OBSERVATIONS AND INSPECTIONS IN THE CCAMLR AREA 2009/2010 SEASON (1 JULY 2009 – 15 AUGUST 2010)
to the south-west and north-east of Kerguelen. These nets were retained on board and samples were ... length of so-called 'Spanish' longline with oxidised hooks to the north-east of Kerguelen ... to fight illegal fishing in the EEZs of the French Antarctic Territories uses both a maritime ... helicopters. The Osiris, a patrol vessel for the Department of Maritime Affairs, originally an illegal fishing ...
Meeting Document : CCAMLR-XXIX/44 : Автор(ы): Delegation of France
-
Breeding biology of Adélie penguin (Pygoscelis adeliae) at Edmonson Point CEMP site (Ross Sea, Antarctica): report of the first five years
penguin rookery was studied in terms of colony layout, breeding chronology, foraging trip duration ... the fifth year. The study site was located in the Adélie penguin (Pygoscelis adeliae) colony of ... Edmonson Point (74°20'56.7" S, 165°08'10.03" E). The aim of this research was to obtain ... data to contribute to the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR ...
Meeting Document : WG-EMM-99/60 : Автор(ы): S. Olmastroni, S. Corsolini, F. Pezzo, S. Focardi (Italy) and K. Kerry (Australia)
Страницы
- « первая
- ‹ предыдущая
- …
- 152
- 153
- 154
- 155
- 156
- 157
- 158
- 159
- 160
- …
- следующая ›
- последняя »