Résultats de la recherche
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Effects of weather and sea-ice on the reproductive performance of the Adélie penguin at Edmonson Point, Ross Sea
Paper Title: Effects of weather and sea-ice on the reproductive performance of the Adélie penguin ... males on the second incubation trip. A high number of chicks died during the post-hatching stage and the ... success and fi rst and second incubation shift duration were measured for at least 100 nests each year ... /99 0 2 4 6 8 10 12 14 16 N u m b e r o f d e a d c h ic k s 0 10 20 30 40 ... 2 4 6 8 10 12 14 16 N u m b e r o f d e a d c h ic k s 0 10 20 30 40 50 60 ... 0 10 20 30 40 50 60 70 80 W in d s p e e d ( k n o ts ) n = 97 n = 76 ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 99–109 : Auteur(s): Olmastroni, S., F. Pezzo, V. Volpi and S. Focardi
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Information on the status of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in the lower South Shetland Islands, derived from the 2000–2006 monitoring program at Potter Cove
the non-commercially fished Notothenia coriiceps is still evident. At Potter Cove, despite an overall ... Cove, the relative abundance of N. rossii showed an increase in 2002 and 2003, whereas G. gibberifrons ... . gibberifrons was observed, more than two decades after the end of the commercial fishery. File: 05barrera-oro ... Paper Title: Information on the status of fjord Notothenia rossii, Gobionotothen gibberifrons and ... ) Notothenia rossii, total catches Years 19.8835 20 0.994173 14.6162 <0.00001 Error 59.3803 873 0.068019 ... (b) Gobionotothen gibberifrons, total catches Years 9.8124 20 0.49062 42.9468 <0.00001 Error 9.9731 ... 873 0.01142 (c) Notothenia coriiceps, total catches Years 32.4684 20 1.623422 11.8377 <0.00001 ... Error 119.7232 873 0.137140 (d) Notothenia rossii, relative catches Years 53439.18 20 2671.959 ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 83–87 : Auteur(s): Barrera-Oro, E.R. and E.R. Marschoff
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Additional data on anti-Brucella antibodies in Arctocephalus gazella from Cape Shirreff, Livingston Island, Antarctica
antibodies in the Southern Hemisphere was recorded in two pinniped species from Antarctica: Antarctic fur ... -vascular fluid for this serological research. We recognise the c-ELISA test as the best option in this ... regard, and suggest that Brucella spp. has an extended distribution and is probably found worldwide in ... Paper Title: Additional data on anti-Brucella antibodies in Arctocephalus gazella from Cape ... risk status of the species affected, possibly having an impact on the population dynamics. These are ... Medicina Preventiva Animal Facultad de Ciencias Veterinarias y Pecuarias Universidad de Chile Casilla ... instance of anti-Bvz~celln antibodies in the Southern Hemisphere was recorded in two pinniped species from ... suggest the utility of extra-vascular fluid for this serological research. We recognise the c-ELISA test ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 147–154 : Auteur(s): Blank, O., P. Retamal, P. Abalos and D. Torres
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Data on krill (Euphausia superba Dana) consumption by coastal fishes in Division 58.4.2 (Kosmonavtov and Sodruzhestva Seas)
calculated for a depth range of 100 to 500 metres in waters between 30 and 80°E. Krill consumption was ... calculations. Assessments of krill consumption are based on calculations made for individual fish species ... krill consumed is between 166 and 450 million tonnes; of this amount fish consume from 30 to 32 million ... fish and other species may differ significantly from those for specific areas. Localised assessments of ... this amount fish consumed 30 to 32 million tonnes. For the most part these figures are based on data ... for a depth range of 100 to 500 metres in waters between 30 and 80°B. Krill consumption was estimated ... March. Daily production for the two months was 2.1 and 0.4 x 103 tonnes respectively. Daily krill ... . Assessments of krill consumption are based on calculations made for individual fish species taking into ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 305–319 : Auteur(s): Pakhomov, Y.A., V.A. Bibik and V.V. Gerasimchuk
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Preliminary atlas of Balaenopterid whale distribution in the Southern Ocean based on pelagic catch data
consists of 30 maps of catches of fin whales for each season from 1952/53–1961/62 for January, February and ... March, plus three summary maps of fin whales catches for the years 1952/53–1961/62 combined, for each of ... the locations of pelagic catches of Balaenopterid whales by month between 1931/32–1979/80. Two sets of ... Paper Title: Preliminary atlas of Balaenopterid whale distribution in the Southern Ocean based on ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 113-193 : Auteur(s): Mizroch, S.A. et. al
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Possible effects of different levels of krill fishing on predators – some initial modelling attempts
fluctuations together with preliminary information on adult survival and breeding success patterns for certain ... suggested by the Joint Meeting of CCAMLR's Working Group on Krill (WG-Krill) and Working Group for the ... facilitated discussion on the interpretation of the preliminary estimates of adult survival rate provided for ... modelling attempts Abstract / Description: An initial attempt is made to develop the modelling framework ... reduced in a particular year if an upper bound of 1.5 yr-' on the effective annual fishing mortality for ... 1 and 2), even in the absence of fishing on krill. This is obviously the case for the two bird ... reproducing In an approximate sense, the first two terms on females. the right hand side of the equation ... penguin). The authors are appreciative of the comments of two anonymous reviewers on an earlier version ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 79–97 : Auteur(s): Butterworth, D.S. and R.B. Thomson
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On the presence of Paralomis spinosissima and Paralomis formosa in catches taken during the Spanish survey Antártida 8611
m. In the whole of the area surveyed, the two crab species of the genus Paralomis (P. spinosissima ... seven hauls of the 29 made around Shag Rocks and in 20 of the 104 hauls made at South Georgia. P ... observations showed that these two species were absent from the southern archipelagos of the Scotia Arc (South ... Paper Title: On the presence of Paralomis spinosissima and Paralomis formosa in catches taken ... . Tows were 30 minutes in duration and the vessel speed was three knots. The trawl used for sampling ... one of which it appeared together with P. spinosissima. From the 11 hauls for which information on ... that the area studied is on the southernmost limit for the species family Lithodidae in the Atlantic ... preparation of this paper and to Drs Robert S. Otto and John Hoenig for their very useful comments on the ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 165–173 : Auteur(s): López Abellán, L.J. and E. Balguerías
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Diet study of Antarctic toothfish caught in the east Antarctic based on stomach content, fatty acid and stable isotope analyses
for Antarctic toothfish (Dissostichus mawsoni) in the small-scale research unit (SSRU) 5841C in the ... between them. δ 15 N values of Antarctic toothfish were higher than for the other species collected ... Paper Title: Diet study of Antarctic toothfish caught in the east Antarctic based on stomach ... toothfish stomachs. Stomach content analyses showed that Antarctic toothfish fed primarily on fish and to a ... (14%). The mixture was shaken, sealed under nitrogen and then heated on a hot block at 100°C for 30 ... , 1987; Michener and Schell, 1994). δ13C in an animal usually occurs within 1‰ compared with that of ... . For the stable isotope analysis, muscle tis- sues underwent lipid extraction two times in a mixed ... min, ramping to 150°C at 30°C min–1, and holding at 250°C for 10 min after ramping at 2°C min–1. The ...
Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 29–44 : Auteur(s): Park, H.J. , I. Yeon, E. Han, Y.J. Lee, S.M. Hanchet, G.W. Baeck, Y. Kwon, S.G. Choi, D.W. Lee and C.K. Kang*
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Selectivity of standard Polish commercial trawl codends on Antarctic fishing grounds
Abstract / Description: Selectivity studies were carried out for two types of steelon codends used in ... for codend construction. The most difficult matter will be preparing a codend with proper selectivity ... properties for South Georgia icefish, because this species exhibits the smallest tendency to escape during ... producing selective trawl gear for harvesting Antarctic fish seems crucial from the point of view of ... 40 I J i 30 I 20 Figure 8: Selectivity ogives for Antarctic icefish on Antarctic fishing grounds ... I I / B / / /: I I I I I ./e r-=- 20 30 Figure 5: Selectivity ogive for ... -.-_ .... 1 20 1 1 1 I 1 1 1 30 ':'0 50 Figure 7: Selectivity ogive for Antarctic icefish by ... ., for 100 mm codend - two experiments were carried out on the Elephant I. ground. Because of very ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 107-142 : Auteur(s): Zaucha, J.
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Observations of fishing operations on a krill trawler and distributional behaviour of krill off Wilkes Land during the 1985/86 season
a good index to measure abundance of a concentration. Comparison of such an index across time and ... Paper Title: Observations of fishing operations on a krill trawler and distributional behaviour ... operations were observed on board a commercial vessel and the actual operation described in detail. ‘Fish ... NO.487 n-297 No.488 n-300 No.489 n=314 No.490 n=309 No.491 n=303 20 30 40 50 ... Feb. n=4696 Area H2 Early Mar. n=5319 Area H2 20 30 40 50 Body length (mm) 60 Fig. 9 ... actual operation and on the distributional behaviour of krill necessary for the interpretation of CPUEs ... off Africa. In recent years, the through-year activity of the trawlers has come to be incorporated ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 335-368 : Auteur(s): Ichii, T.