Resultados de la búsqueda
-
Surveys of breeding penguins and other seabirds in the South Shetland Islands, Antarctica, January-February 1987*
Paper Title: Surveys of breeding penguins and other seabirds in the South Shetland Islands ... Living Resources Program in 1987 provided data on the number, size, and location of penguin and Antarctic ... blue-eyed shag colonies and the breeding status of other seabirds in the South Shetland Islands ... available nesting habitat in 1987. For the same reason, at least in part, other species of breeding seabirds ... Living Resources Program in 1987 provided data on the number, size, and location of penguin and ... Antarctic blue-eyed shag colonies and the breeding status of other seabirds in the South Shetland Islands ... complete coverage of available nesting habitat in 1987. For the same reason, at least in part, other ... BREEDING PENGUINS AND OTHER SEABIRDS IN THE SOUTH SHETLAND ISLANDS, ANTARCTICA, JANUARY-FEBRUARY 1987 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 449-451 : Autor(es): Shuford, W.D. and L.B. Spear
-
Patagonian toothfish in international waters of the Southwest Indian Ocean (Statistical Area 51)
Paper Title: Patagonian toothfish in international waters of the Southwest Indian Ocean ... located at the edge of the principal area of D. eleginoides concentration, in which a residual recruitment ... important factor in the distribution of CPUE of D. eleginoides. File: 13lopez-abellan.pdf ... , following commercial fishing procedures, in a restricted area south of Madagascar and north of Prince Edward ... expansion of the front activity to the north would mean an increase in the distribution area, with the ... (2005): 207–214 207 PATAGONIAN TOOTHFISH IN INTERNATIONAL WATERS OF THE SOUTHWEST INDIAN OCEAN ... , in a restricted area south of Madagascar and north of Prince Edward and Marion Islands and the ... area of D. eleginoides concentration, in which a residual recruitment effect persists. The total CPUE ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 207–214 : Autor(es): López Abellán, L.J
-
Attribtuion of acoustic echoes to squid in the south Atlantic
Paper Title: Attribtuion of acoustic echoes to squid in the south Atlantic Abstract / Description ... : During a research cruise of the British Antarctic Survey ship RRS James Clark Ross in February 1996, more ... than 2 000 individuals of the ommastrephid squid, Martialia hyadesi, were caught in a single haul made ... the analysis of acoustic data gathered during this haul and a survey of the immediate vicinity, in ... ATTRIBUTION OF ACOUSTIC ECHOES TO SQUID IN THE SOUTH ATLANTIC C. Goss, P. Rodhouse, J.L. Watkins and A.S ... RRS James Clavk Ross in February 1996, more than 2 000 individuals of the ommastrephid squid ... Zone in CCAMLR Subarea 48.3. This paper describes the analysis of acoustic data gathered during this ... haul and a survey of the immediate vicinity, in order to characterise an acoustic signature that may ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 259–271 : Autor(es): Goss, C., P. Rodhouse, J.L. Watkins and A.S. Brierley
-
Otolith microstructure of juvenile mackerel icefish (Champsocephalus gunnari) (Channichthyidae) in the South Georgia area
comprised two year classes arising from spawning in the 1999/2000 and 2000/01 split-years. The mean width of ... ) (Channichthyidae) in the South Georgia area Abstract / Description: The otolith microstructure of juvenile ... a trawl survey of juveniles in February–March 2002 on the South Georgia shelf. Juvenile fish ... ) to 2.8 μm at 500 days (TL 13.1 cm). The pelagic stage of egg incubation development for fish of the ... classes arising from spawning in the 1999/2000 and 2000/01 split-years. The mean width of daily otolith ... variation in the published length estimates for fi sh of the same age. Kock (1981) reported the mean ... correlation R = 0.99. By using this equation it was estimated that in the fi rst 100 days of life the mean ... width of a daily increment was 6 μm for a fi sh of 4.5 cm in length. Later the mean width of the ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 173–181 : Autor(es): Shcherbich, L.V
-
Distribution and abundance of Macrourus carinatus on BANZARE Bank in the southern Indian Ocean
Paper Title: Distribution and abundance of Macrourus carinatus on BANZARE Bank in the southern ... of Macrourus carinatus on BANZARE Bank in the southern Indian Ocean (Divisions 58.4.1 and 58.4.3 ... ) based on results from a trawl survey in 1999. This is the first quantitative assessment of M. carinatus ... 52 ± 4% of the total biomass. The mean density of M. carinatus on BANZARE Bank was 176 ± 14 kg/km 2 ... DISTRIBUTION AND ABUNDANCE OF MACROURUS CARINATUS ON BANZARE BANK IN THE SOUTHERN INDIAN OCEAN E.M. van Wijk ... abundance of Macrourus carinatus on BANZARE Bank in the southern Indian Ocean (Divisions 58.4.1 and 58.4.3 ... ) based on results from a trawl survey in 1999. This is the first quantitative assessment of M ... % of the total catch in these fisheries (SC-CAMLR, 1998). Similarly, Duhamel et al. (1997) found that ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 171–178 : Autor(es): van Wijk, E.M., A.J. Constable, R. Williams and T. Lamb
-
A comparison between otoliths and scales for use in estimating the age of Dissostichus eleginoides from South Georgia
Paper Title: A comparison between otoliths and scales for use in estimating the age of ... the two readers in estimating the age of D. eleginoides using otoliths and scales. File: 05ashford ... understanding the population dynamics and productivity of a fish stock. The use of scales to estimate age can ... result in large errors in age data for long-lived species, usually due to compression of scale circuli ... BETWEEN OTOLITHS AND SCALES FOR USE IN ESTIMATING THE AGE OF DISSOSTICHUS ELEGINOlDES FROM SOUTH ... experience of the two readers in estimating the age of D. i>lcgznordes using otoliths and scales. La ... Comparing the use of otoliths and scales in estimating toothfish age INTRODUCTION Knowledge of the age ... that the oldest age was 23 years. Large numbers of fish in unexploited populations survived after ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 75–92 : Autor(es): Ashford, J.R., S. Wischniowski, C. Jones, S. Bobko and I. Everson
-
Food and feeding of the mackerel icefish (Champsocephalus gunnari) around South Georgia in January/February 1991
Georgia in January/February 1991 Abstract / Description: The diet composition and feeding intensity of ... 877 stomachs collected at 44 stations. Both the proportion of krill (Euphausia superba) in the ... Paper Title: Food and feeding of the mackerel icefish (Champsocephalus gunnari) around South ... stomachs and the feeding intensity were uncommonly low in a period when energy rich food is needed for the ... analysed in 3 877 stomachs collected at 44 stations. Both the proportion of krill (Euphausia superba) in ... areas of krill concentrations. In years of low krill abundance it is replaced in the diet by the ... in the face of food shortage an adaptative strategy is to sacrifice egg production and maintain body ... intensity of mackerel icefish in January/February 1991 which may aid in understanding the irregularities in ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 15–23 : Autor(es): Kock, K.-H., I. Everson, S. Campbell, G. Parkes, Z. Cielniaszek and J. Szlakowski
-
A composite recruitment index to describe interannual changes in the population structure of Antarctic krill at South Georgia
substantial differences, due in part to bias arising from a large number of krill in just one of the station ... %), while between 1994 and 1998 the number of 1+ krill found in the population increased with a very ... Paper Title: A composite recruitment index to describe interannual changes in the population ... net hauls. Therefore, when the number of station net hauls is limited, bias is likely to be reduced if ... RECRUITMENT INDEX TO DESCRIBE INTERANNUAL CHANGES IN THE POPULATION STRUCTURE OF ANTARCTIC KRILL AT SOUTH ... differences, due in part to bias arising from a large number of krill in just one of the station net hauls ... %), while between 1994 and 1998 the number of l + krill found in the population increased with a very ... be derived. In comparison to the surveys carried out by Siegel et al. (1998), the number of station ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 71–84 : Autor(es): Watkins, J.L
-
Long-term trends in the foraging patterns of female Antarctic fur seals at South Georgia
Paper Title: Long-term trends in the foraging patterns of female Antarctic fur seals at South ... as starving/suckling layers in the teeth of their pups. A collection of unmarked Antarctic fur seal ... 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 ... 1962 to 1979 there were several significant increasing and decreasing trends in the mean number of ... -TERM TRENDS IN THE FORAGING PATTERNS OF FEMALE ANTARCTIC FUR SE!\LS AT SOUTH GEORGIA* 1 J.L ... starving/suckling layers in the teeth of their pups. A collection of unmarked Antarctic fur seal teeth ... between 1962 and 1981 the mean number of feeding trips made by female fur seals varied markedly. From ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 441-443 : Autor(es): Bengtson, J.L.
-
Low genetic diversity and temporal stability in the Antarctic toothfish (Dissostichus mawsoni) from near-continental seas of Antarctica
analysis of the most informative subset of nuclear genetic markers of SNP variation presented in Kuhn and ... Gaffney (2008), do not support genetic differentiation of samples from the Ross Sea. Discrepancies in the ... Paper Title: Low genetic diversity and temporal stability in the Antarctic toothfish ... data on the DNA analysis of recent (2011–2013) samplings of Antarctic toothfish (Dissostichus mawsoni ... analysis of the most informative subset of nuclear genetic markers of SNP variation presented in Kuhn and ... Gaffney (2008), do not support genetic differentiation of samples from the Ross Sea. Discrepancies in the ... aim of this investigation was to evaluate the population structure of D. mawsoni in the Antarctic ... samples for genetic analysis were fixed in 96% ethanol on board the fishery vessels. Details of the ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 1–9 : Autor(es): Mugue, N.S., A.F. Petrov, D.A. Zelenina, I.I. Gordeev and A.A. Sergeev