Résultats de la recherche

1. Variations in condition indices of mackerel icefish at South Georgia from 1972 to 1997

   Paper Title:  Variations in condition indices of mackerel icefish at South Georgia from 1972 to ... Georgia shelf, Antarctica, and have been fished commercially since the early 1970s. They are known to feed ... CONDITION INDICES OF MACKEREL ICEFISH AT SOUTH GEORGIA FROM 1972 TO 1997 I. Everson %3 British Antarctic ... commercially since the early 1970s. They are known to feed predominantly on krill. An index of condition which ... provide a much more extensive view of the status of fish and krill since the early 1970s. The gutted ... , 1995, 1996, 1997); (iii) commercial fishing activities by Russian vessels between 1972 and 1991 ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 119–132 : Auteur(s): Everson, I. and K.-H. Kock

2. Assessing the power to detect systematic change in Adélie penguin foraging trip duration

   Paper Title:  Assessing the power to detect systematic change in Adélie penguin foraging trip ... duration Abstract / Description:  Models of variability in Adélie penguin foraging trip durations were ... . While foraging trip duration is considered to be sensitive to changes in food availability over time ... ice cover as a covariate to explain between-year variation in trip duration increased the power to ... ASSESSING THE POWER TO DETECT SYSTEMATIC CHANGE IN ADÉLIE PENGUIN FORAGING TRIP DURATION C. Southwell, J ... trip durations were constructed and fitted to data collected at Béchervaise Island over a 12-year ... difference and slope. While foraging trip duration is considered to be sensitive to changes in food ... %. The strategy of including ice cover as a covariate to explain between-year variation in trip duration ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 201–215 : Auteur(s): Southwell, C., J. Clarke and L.M. Emmerson

3. Distribution of fish larvae at South Georgia: horizontal, vertical, and temporal distribution and early life history relevant to monitoring year-class strength and recruitment

   East Bay the early stages of many species were found throughout the water column. In summer only four ... distribution and early life history relevant to monitoring year-class strength and recruitment Abstract ... / Description:  Four studies on the early life history stages of Antarctic fish at South Georgia are reported ... . In winter and summer fish larvae and early juveniles were present over the continental shelf and ... near the middle of the north-east coast of South Georgia. Conclusions The early stages of the ... , but rare in oceanic waters. During winter in the 265 m deep fiord of Cumberland East Bay the early ... SOUTH GEORGIA : HORIZONTAL, VERTICAL, AND TEMPORAL DISTRIBUTION AND EARLY LIFE HISTORY RELEVANT TO ... the early life history stages of Antarctic fish at South Georgia are reported. In winter and summer ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 105-141 : Auteur(s): North, A.W.

4. Catch per unit effort (CPUE) data from the early years of commercail krill fishing operations in the Atlantic sector of the Antarctic

   Paper Title:  Catch per unit effort (CPUE) data from the early years of commercail krill fishing ... EFFORT (CPUE) DATA FROM THE EARLY YEARS OF COMMERCIAL KRILL FISHING OPERATIONS IN THE ATLANTIC SECTOR ... commenced in the early 1970s and the annual catches rose gradually to a maximum around 500 000 tonnes in ... from Early Fisheries in the Atlantic Sector Table 1: Average CPUE (kilogram/hour), standard error and ... CPUE from Early Fisheries in the Atlantic Sector fishing fleet. The high CPUE in 1980/81 in Subarea ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 31–50 : Auteur(s): Siegel, V., V. Sushin and U. Damm

5. Diet study of Antarctic toothfish caught in the east Antarctic based on stomach content, fatty acid and stable isotope analyses

   Paper Title:  Diet study of Antarctic toothfish caught in the east Antarctic based on stomach ... east Antarctic, their stomach contents, fatty acid (FA) compositions and stable carbon and nitrogen ... toothfish and the trophic relationship between the toothfish and other species in the east Antarctic using ... Science, Vol. 22 (2015): 29–44 29 Diet study of Antarctic toothfish caught in the east Antarctic based ... east Antarctic, their stomach contents, fatty acid (FA) compositions and stable carbon and nitrogen ... slope of east Antarctica in the Indian Ocean and Atlantic Ocean sectors. The characterised ... ratios of the Antarctic toothfish and their potential prey species from the east Antarc- tic (SSRU 5841C ...

   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*

6. Status of the coastal stocks of Dissostichus spp. in East Antarctica (Divisions 58.4.1 and 58.4.2)

   Paper Title:  Status of the coastal stocks of Dissostichus spp. in East Antarctica (Divisions ... operating off the coast of East Antarctica (30°E–150°E; FAO/CCAMLR Divisions 58.4.1 and 58.4.2) since 2003 ... tonnes per SSRU in the west (Division 58.4.2) and 1 000–1 700 tonnes per SSRU in the east (Division ... the coaStal StockS of Dissostichus Spp. in eaSt antarctica (DiviSionS 58.4.1 anD 58.4.2) D.J. Agnew ... . have been operating off the coast of East Antarctica (30°E–150°E; FAO/CCAMLR Divisions 58.4.1 and ... per SSRU in the east (Division 58.4.1). Although 3 434 tags were released over the period 2003–2007 ... . stocks in East Antarctica introduction Several mature toothfish fisheries operate around the Antarctic ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 71–100 : Auteur(s): Agnew, D.J., C. Edwards, R. Hillary, R. Mitchell and L.J. López Abellán

7. A review of data on abundance, trends in abundance, habitat use and diet of ice-breeding seals in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   represent the entire pack-ice. From the late 1960s to the early 1980s, Erickson and colleagues made a ... moulting. Breed- ing occurs in late spring and early summer, and moulting in mid- to late summer. For the ... seals often aggregate in larger groups in fast-ice habitats in early summer when breeding. Data on ... the late 1940s and early 1950s (Table 1). Laws (1953) estimated the abundances of the four species ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 49–74 : Auteur(s): Southwell, C., J. Bengtson, M. Bester, A.S. Blix, H. Bornemann, P. Boveng and M. Cameron, J. Forcada, J. Laake, E. Nordøy, J. Plötz, T. Rogers, D. Southwell, D. Steinhage, B.S. Stewart and P. Trathan

8. Long-term trends in the foraging patterns of female Antarctic fur seals at South Georgia

   utilizing tetracycline-marked teeth confirmed that the feeding trip/suckling cycles of females are reflected ... showed that between 1962 and 1981 the mean number of feeding trips made by female fur seals varied ... markedly. From 1962 to 1979 there were several significant increasing and decreasing trends in the mean ... ) the number of feeding trips made by an individual’'s mother during lactation. This analysis ... tetracycline-marked teeth confirmed that the feeding trip/suckling cycles of females are reflected as ... between 1962 and 1981 the mean number of feeding trips made by female fur seals varied markedly. From ... 1962 to 1979 there were several significant increasing and decreasing trends in the mean number of ... - nettement entre 1962 et 1981. De 1962 a 1979 sont apparues plusieurs tendances marquees indiquant une ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 441-443 : Auteur(s): Bengtson, J.L.

9. A first step towards modelling the krill–predator dynamics of the Antarctic ecosystem

   whales (B. physalus) from 1913 to 1976, and humpback whales (Megaptera novaeangliae) until 1962 (though ... extensive exploitation of Antarctic baleen whales in the early 20th century and the fact that krill is ... virtually the only prey item for those species, Laws (1962, 1977) suggested that following this ... the 1950s. Zenkovich (1962) reports that during a cruise in the Indian Ocean sector of the Southern ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 217–277 : Auteur(s): Mori, M. and D.S. Butterworth

10. Analysis of haul data from the South Georgia krill fishery

    hauls producing higher catch rates during the middle of the day. Individual hauls were examined to ... started in the east of the region, and much of the fleet spent the early part of the season close to a ... . Since the late 1980s and early 1990s detailed information about fishing grounds and about individual ... fishing season. Fishing usually commenced during the latter part of May, or in early June (Figure 1) and ... example, in 1994 vessel 6 took eight hauls during March and vessel 5 took three hauls during early ...

    Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 9–30 : Auteur(s): Trathan, P.N., I. Everson, E.J. Murphy and G.B. Parkes

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