Résultats de la recherche
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Draft comment on the conservation of Antarctic Marine Living Resources
Document : Site Section: The Organisation
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Interactions of Patagonian toothfish fisheries with killer and sperm whales in the Crozet Islands Exclusive Economic Zone: an assessment of depredation levels and insights on possible mitigation strategies
depredation. When killer whales were absent at the beginning of the line hauling process, short lines (<5 ... Paper Title: Interactions of Patagonian toothfish fisheries with killer and sperm whales in the ... mitigation strategies Abstract / Description: Within the Crozet Islands Exclusive Economic Zone (EEZ), the ... , killer whales alone, and the two species co-occurring were observed on 32.6%, 18.6% and 23.4 ... that killer whales could locate the fishing vessel before the end of this process. The effect of ... depredation. When killer whales were absent at the beginning of the line hauling process, short lines (<5 000 ... . After extrapolating the estimates made in these cells to the total number of hooks in the presence of ... -individual het- erogeneity in capture probability variations, was selected. After correction by the ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 179–195 : Auteur(s): Tixier, P., N. Gasco, G. Duhamel, M. Viviant, M. Authier and C. Guinet
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Analysis of changes in biomass of fish stocks in the South Georgia area in 1976/77-1986/87
Paper Title: Analysis of changes in biomass of fish stocks in the South Georgia area in 1976/77 ... -1986/87 Abstract / Description: The swept area method was used to estimate biomass density changes in ... the stocks of five fish species (Champsocephalus gunnari, Chaenocephalus aceratus, Pseudochaenichthys ... georgianus, Notothenia gibberifrons and Notothenia rossii marmorata) in the South Georgia area in the seasons ... the biomass density of C. ~ari stock. High biomass aensity appeared with ~year intervals after ... . Slosarczyk Sea Fisheries Institute, Gdynia, Poland 1. INTRODUCTION Beginning with the second half of ... in most of the subdivisions was especially visible after the 1981/82 season (Table IV, Figure 5 ... , beginning with 1985/86, young fish with lengths of 34-40 cm reappeared in the catch. In the last season ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 185-211 : Auteur(s): Mucha, M. and W. Ślósarczyk
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Breeding numbers and success of Eudyptes penguins at Marion Island, and the influence of mass and time of arrival of adults
with that of females. Although both species had low masses on arrival after the El Niño Southern ... Paper Title: Breeding numbers and success of Eudyptes penguins at Marion Island, and the ... , there was substantial correlation in the numbers of adults breeding at study colonies of macaroni ... filholi) over 22 years, suggesting that overwintering conditions may influence the proportions of birds ... /05 28 Oct 100 3 Nov 100 19 Feb 250 Crawford et at. 180 rockhopper penguins from about the end ... correlated with that of females. Although both species had low masses on arrival after the El Niño Southern ... island. A lookout was kept for returning birds from about the beginning of October in each season ... ). After 1994/95, once the colony at Trypot Hole had fallen below 70 pairs, it continued to decrease ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 175–190 : Auteur(s): Crawford, R.J.M., B.M. Dyer, J. Cooper and L.G. Underhill
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Migrations of Antarctic fish Pseudochaenichthys georgianus Norman, 1939 in the Scotia Sea
get warmer. Finally at the end of Scotia Arc Islands- at South Orkney, P. georgianus are large with ... reason to follow after krill driven to the East to deep open Scotia Sea. In vast Antarctic Zone, enlarged ... large pelagic sea. After spawn young postlarvae swim upstream to the West, to the deep and cold waters ... Abstract: The material obtained between 1986 and 1991 has allowed to study the pattern of ...
Meeting Document : WG-FSA-12/68 Rev. 1 : Auteur(s): R. Traczyk (Poland)
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Distribution of Soviet commercial fleet at krill fishery in the South Orkneys subarea (Subarea 48.2) during 1989/90
in the beginning of the period with gradual subsequent decrease to the level inacceptable to the ... fleet (2.5 t/hour) in the next to the last five days of November. After disintegration of that ... Abstract: The results of analysis of haul by haul catch statistics of Soviet commercial fleet ... during 1989/90 season (totally 3614 hauls for the period from 1.11.1989 to 12.06.1990 are presented ...
Meeting Document : WG-EMM-97/50 : Auteur(s): Sushin, V.A.
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Distribution, biomass and characteristics of the Euphausia superba fishery around South Georgia (Subarea 48.3)
krill biomass for the area. It was therefore only possible to begin to explain the reasons for the ... variability in the scale of krill swarms and to attempt to determine more reliable values of its biomass after ... Paper Title: Distribution, biomass and characteristics of the Euphausia superba fishery around ... South Georgia (Subarea 48.3) Abstract / Description: Krill distribution in the South Georgia area and ... biomass for the area. It was therefore only possible to begin to explain the reasons for the variability ... in the scale of krill swarms and to attempt to determine more reliable values of its biomass after a ... (Maslennikov, 1978; Makarov et al., 1980; Fedulov et al., 1984). After being carried along by the drift into ... and sink to deeper layers. After a time, however, the situation returns to its initial condition ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 123–147 : Auteur(s): Latogursky, V.I., R.R. Makarov and L.G. Maklygin
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Potential VMEs around Elephant and the South Shetland Islands (Subarea 48.1)
in the South Shetland Islands area. High biomass densities of VME indicator taxa, meeting the 10 kg ... and are thus not adequately protected unless direct photographic evidence is available. To this end a ... new ‘diversity threshold’ is proposed in order to protect those VME taxa that do not occur in the ... Appendix II listed Antipatharia (black coral), which in the authors’ experience has never occurred at a ...
Meeting Document : WG-EMM-12/51 : Auteur(s): S.J. Lockhart (USA), N. Wilson (Australia) and E. Lazo-Wasem (USA)
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Seabird interactions with longlining operations for Dissostichus eleginoides at the South Sandwich Islands and South Georgia
Paper Title: Seabird interactions with longlining operations for Dissostichus eleginoides at the ... involving the setting and hauling of longlines to catch the toothfish Dissostichus eleginoides around the ... of the seabirds present presumably originated from South Georgia populations; however wandering and ... vulnerability to longlining operations in the South Sandwich Islands may, therefore, be low. Quantitative data ... first mate after the end of each haul. Ashford et a1 RESULTS Incidental Mortality No ... height from the aft gantry on the port side, the main line was more than 1 cm thick, there were no ... the line; they did not therefore reach sea level until well aft of the ship's stern. Additionally ... albatrosses (Diomedeiz melanophris) were present at the end of the two sets which overlapped with the early ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 143–153 : Auteur(s): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno
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Analysis of krill fishery behaviour in the southwest Atlantic: potential signals for moving fishing activities amongst SSMUs
seasons by analyzing CPUE (catch per hour) patterns towards the end of their sets of operations before ... Abstract: This paper outlines the difference in fishing patterns between regions (Subareas) and ... leaving a SSMU, as well as its timing of the day, diurnal pattern of CPUE and fishing depth. Vessels tend ... than a day to explore the fishing grounds from multiple options for the start of the fishing season ...
Meeting Document : WG-EMM-07/27 : Auteur(s): S. Kawaguchi, A. Constable and S. Nicol (Australia)