Résultats de la recherche
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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 : Auteur(s): W.Z. Trivelpiece, S. Buckelew, C. Reiss and S.G. Trivelpiece (USA)
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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 : Auteur(s): D.J. Agnew and G.P. Kirkwood (United Kingdom)
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Krill distribution in the western Atlantic sector of the Southern Ocean during 1983/84, 1984/85 and 1987/88 based on the results of Soviet mesoscale surveys conducted using an Isaacs-Kidd midwater trawl
Paper Title: Krill distribution in the western Atlantic sector of the Southern Ocean during 1983 ... /84, 1984/85 and 1987/88 based on the results of Soviet mesoscale surveys conducted using an Isaacs ... -Kidd midwater trawl Abstract / Description: In this paper we consider the results of three mesoscale ... surveys covering a wide area of krill distribution between the Antarctic Peninsula and South Georgia ... approximately 110 days, i.e. from early November to the middle of February. In this regard, krill stock ... IN THE WESTERN ATLANTIC SECTOR OF THE SOUTHERN OCEAN DURING 1983184,1984185 AND 1987188 BASED ON THE ... RESULTS OF SOVIET MESOSCALE SURVEYS CONDUCTED USING AN ISAACS-KIDD MIDWATER TRAWL V.A. Sushin and K.E ... . Shulgovsky Atlantic Research Institute of Marine Fisheries and Oceanography (AtlantNIRO) 5 Dmitry Donskoy ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 59–70 : Auteur(s): Sushin, V.A. and K.E. Shulgovsky
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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 : Auteur(s): M.H. Wafy, A.S. Brierley, S.F. Gull and J.L. Watkins (United Kingdom)
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Abundance, size and maturity of krill (Euphausia superba) in the krill fishing ground of Subarea 48.1 during the 1990/91 austral summer
Paper Title: Abundance, size and maturity of krill (Euphausia superba) in the krill fishing ... ground of Subarea 48.1 during the 1990/91 austral summer Abstract / Description: Acoustic and net ... sampling surveys for krill were conducted in the krill fishing ground north of the South Shetland Islands ... of krill were observed. The survey area was divided into four zones: oceanic, slope frontal, neritic ... the upwelling deep water may assist upward movement of early larval stage kriU (Marr, 1962) and that ... of sexual maturity of Euphausia superba Dana. BIOMASS Handbook, 11: 1-13. MARR, J.W.S. 1962. The ... WG-KRILL-92/26 ABUNDANCE, SIZE AND MATURITY OF KRILL ... (EUPHAUSIA SUPERBA) IN THE KRILL FISHING GROUND OF SUBAREA 48.1 DURING THE 1990/91 AUSTRAL SUMMER T ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 183–199 : Auteur(s): Ichii, T., H. Ishii and M. Naganobu
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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 : Auteur(s): V.N. Dolzhenkov, E.A. Kovalev, V.A. Spiridonov, V.P. Timonin, I.A. Zhigalov (USSR)
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Distribution and size of Antarctic krill (Euphausia superba Dana) in Polish commercial catches taken in the Atlantic sector of the Southern Ocean from 1997 to 1999
Paper Title: Distribution and size of Antarctic krill (Euphausia superba Dana) in Polish ... commercial catches taken in the Atlantic sector of the Southern Ocean from 1997 to 1999 Abstract ... / Description: The distribution and internal structure of commercial krill concentrations were investigated in ... the areas of the South Shetland, Elephant, South Georgia and South Orkney Islands in the spring and ... ). Hardy and Günther (1935) and Marr (1962) produced a diagram showing the distribution of krill ... : 173–176. Marr, J.W.S. 1962. The natural history and geo- graphy of the Antarctic krill (Euphausia ... . 9 (2002): 83–105 83 DISTRIBUTION AND SIZE OF ANTARCTIC KRILL (EUPHAUSIA SUPERBA DANA) IN POLISH ... COMMERCIAL CATCHES TAKEN IN THE ATLANTIC SECTOR OF THE SOUTHERN OCEAN FROM 1997 TO 1999 E. Jackowski Sea ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 83–105 : Auteur(s): Jackowski, E
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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 : Auteur(s): S. Mormede and A. Dunn (New Zealand)
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Results of fish larvae sampling by means of fine-meshed samplers attached to a bottom trawl
Paper Title: Results of fish larvae sampling by means of fine-meshed samplers attached to a ... bottom trawl Abstract / Description: Fine-meshed samplers were attached to the top of a bottom trawl in ... order to provide information on the composition, distribution and abundance of Antarctic fish larvae in ... the near-bottom zone, which is usually not sampled using plankton nets. The efficiency of various ... the Cumberland East Bay of South Georgia during 4-14 January 1987 suggested that most fish larvae in ... Nototheniidae and Channichthyidae within krill swarms east of South Georgia. Acta Ichthyol. Piscatoria 13 (1 ... , usually not sampled due to the danger of damage to or loss of nets. 2. METHODS The survey was ... WG-FSA-88/20 RESULTS OF FISH LARVAE SAMPLING BY MEANS ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 69-86 : Auteur(s): Ślósarczyk, W. and I. Wójcik
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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 : Auteur(s): S. Løkkeborg (Norway) and G. Robertson (Australia)