Search results

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

   persisted locally; one of the authors (K.-H. Kock) found dead penguins on the shore of Cumberland Bay ... the period December to March over the approximate range of 50 to 100 km from the breeding site ... 1997 Abstract / Description:  Mackerel icefish (Champsocephalus gunnari) are widespread on the South ... Georgia shelf, Antarctica, and have been fished commercially since the early 1970s. They are known to feed ... predominantly on krill. An index of condition which uses the ratio of the measured total mass to the estimated ... mass is shown to provide a good indicator of local krill density. The index is likely to be little ...

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

2. Population genetic structure of Patagonian toothfish in the West Indian Ocean sector of the Southern Ocean

   Paper Title:  Population genetic structure of Patagonian toothfish in the West Indian Ocean sector ... of the Southern Ocean Abstract / Description:  Molecular markers were used to investigate the stock ... structure of Patagonian toothfish (Dissostichus eleginoides) in the West Indian Ocean sector of the Southern ... per collection ranged from 0.000 to 0.900 and allele counts from 1 to 21. There was no evidence of ... within). In a recent genetic study by the authors, no signifi cant differentiation between Macquarie ... are contigu- ous with water no deeper than 600 m separating the two areas (Williams et al., 2002). In ... - tion (considering microsatellite loci jointly) among the four collections showed no signifi cant ... the West Indian Ocean sector col- lections was accounted for within samples. Thus, no signifi cant ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 21–32 : Author(s): Appleyard, S.A., R. Williams and R.D. Ward

3. Calibration of an acoustic echo-integration system in a deep tank, with system gain comparisons over standard sphere material, water temperature and time

   de la esfera estandar como valor de referencia de TS, duraci6n del impulso, gama de temperatura ... outlines the theory and procedures for calibrating an echo integration acoustic system with a standard ... sphere. It presents the results of an extensive calibration of a Simrad EK500 scientific echosounder with ... length (0.1, 0.3 and 1.0 ms), target depth (0.8 to 7.5 m), and time (149 days). The total range in TS ... gain, including the effects of temperature, standard sphere and time, is 2.9 dB. Gain values calibrated ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 127–144 : Author(s): Demer, D.A. and R.P. Hewitt

4. Effects of different harvesting strategies on the mackerel icefish Champsocephalus gunnari around South Georgia

   Paper Title:  Effects of different harvesting strategies on the mackerel icefish Champsocephalus ... gunnari around South Georgia Abstract / Description:  The effects of a number of harvesting strategies on ... the mackerel icefish (Champsocephalus gunnari) have been simulated for a period of 30 years. These ... interval of three years with no fishing in between; and changes in net selectivity resulting in a shift in ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 77–100 : Author(s): Köster, F.W. and K.-H. Kock

5. New data on spawning, hatching and growth of Champsocephalus gunnari on the shelf of the Kerguelen Islands

   area. Triangles indicate that bottom trawling was impossible at that site because of rough seabed ... fond en raison du relief accident6 du site. 2 - Lieux de p@che (zone delimitee) de C. gunnari ... 1: noKa3a~enH npOrpaMMbI WXTLlOIIJIaHKTOHHbIX H AOHHbIX TPWIOBbIX C'beMOK, IIPOBOAHBIlIAXCX ... estacional relativa de las larvas de C. gunnari en las muestras de ictioplancton obtenidas como parte del ... Paper Title:  New data on spawning, hatching and growth of Champsocephalus gunnari on the shelf of ... the Kerguelen Islands Abstract / Description:  Combined studies on the inner and outer northeastern ... part of the Kerguelen shelf during the 1989/90 to 1993/94 period provide new information on the stock ... the inner shelf has enabled a new cohort of fish to be identified each year. However, annual ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 21–34 : Author(s): Duhamel, G

6. An assessment of the impact of krill fishery on penguins in the South Shetlands

   such as ice conditions or space for nest sites. According to the sea-ice maps (Zwally et al., 19831, Low ... Paper Title:  An assessment of the impact of krill fishery on penguins in the South Shetlands ... Abstract / Description:  An assessment of the competition between the Japanese krill (Euphausia superba ... ) fishery and penguins during the penguins' breeding season (December to March) in the South Shetland ... Islands (Subarea 48.1) was made based on available information on the fishery, penguins and krill. The ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 107–128 : Author(s): Ichii, T., M. Naganobu and T. Ogishima

7. Distribution and population structure of Dissostichus eleginoides and D. mawsoni on BANZARE Bank (CCAMLR Division 58.4.3b), Indian Ocean.

   proportion to abundance, suggesting that no substantial recruitment takes place on BANZARE Bank and the ... BANZARE Bank (CCAMLR Division 58.4.3b), Indian Ocean. Abstract / Description:  The distribution, size ... investigated using biological data collected by a Japanese commercial fishing vessel during the austral summer ... shallower banks (<1 000 m), while D. mawsoni was caught on deeper slopes (>1 500 m). Separation of the ... commercial vessel, the FV Shinsei Maru No. 3, has been operating a longline explor- atory fishery for ... Toothfish are the largest nototheniid species in the Southern Ocean, with two species having a cir ... seamounts, between 50 and 60°S, and on the Patagonian Shelf and the southern coast of Chile to 30°S ... Gakuin University 2600 Aihara-cho, Machida Tokyo 194-0292, Japan Abstract The distribution, size ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 145–153 : Author(s): Taki, K., M. Kiyota, T. Ichii and T. Iwami

8. Seabird mortality in the Patagonian toothfish longline fishery around Crozet and Kerguelen Islands, 2001–2003

   8), and it can be assumed that a large proportion of the birds caught are breeding adults from these sites ... Paper Title:  Seabird mortality in the Patagonian toothfish longline fishery around Crozet and ... Kerguelen Islands, 2001–2003 Abstract / Description:  The legal Patagonian toothfish (Dissostichus ... eleginoides) longline fishery operating in the French Exclusive Economic Zones (EEZs) of Crozet and Kerguelen ... August 2003. Overall, the white-chinned petrel (Procellaria aequinoctialis) was the most frequently ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 53–80 : Author(s): Delord, K., N. Gasco, H. Weimerskirch, C. Barbraud and T. Micol

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

   como indicador de la abundancia/biomasa del kril y se expresa debida cautela a1 respecto. Segun las ... ~K 6: AaHHble no YaCToTHOMY PaCnpeneneHHH, AnMH H 3 KOMMepYeCKMX CeTeBbIX ynoBoB, no ... Paper Title:  Catch per unit effort (CPUE) data from the early years of commercail krill fishing ... operations in the Atlantic sector of the Antarctic Abstract / Description:  Catch per unit effort (CPUE) data ... the period 1975/76 to 1987/88. Comparisons are carried out between subareas in single years, between ... years on a subarea and area basis, and between oceanic and shelf regions. Results show that the CPUE may ...

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

10. Can we use discriminant function analysis to sex penguins prior to calculating an index of a morphometric characteristic?

    procedimiento bastante dudoso, por 10 que se recomienda - como un criterio mas valedero - el uso de una funci6n ... BeJIHlIHHoti npH ypOBHe 3HalIHMOCTH 5% (noBTOpeHH5I = 2). HCTHHHa5I H Ha6JIID,lIaeMa5I Cpe,llHHe ... discriminant analysis can be used to determine the sex of individuals, it is only able to correctly sex a ... difference between the real mean characteristic for a sex, and the apparent mean derived by sexing the birds ... using discriminant analysis. When discriminant functions are able to correctly determine the sex of ... birds with greater than 80% success, the difference between the true and apparent mean is likely to be ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 259–272 : Author(s): Agnew, D.J.

Pages