Résultats de la recherche

1. Low breeding success of the Adélie penguin at Béchervaise Island in the 1998/99 season

   , foraging trip duration and diet suggests that the death of chicks during the guard stage was due to an ... duration and diet suggests that the death of chicks during the guard stage was due to an inadequate rate ... transmitters (PTTs), model ST-10, packaged by Sirtrack (New Zealand) and weighing a total of 90 g ... as an outlier (Student-Newman- and those extending beyond 80 km as 'distant' trips. ~~~l~ method ... any animal species. This relationship has been reported in numerous seabirds, including both ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 151–167 : Auteur(s): Irvine, L.G., J.R. Clarke and K.R. Kerry

2. Demographic characteristics of the Adélie penguin population on Béchervaise Island after 12 years of study

   85 11 90 0. 80 19 93 / 94 35 91 17 11 18 16 1. 06 19 94 / 95 39 93 ... / 93 11 2 90 80 .4 2 19 93 / 94 14 9 12 4 83 .2 3 19 94 / 95 ... 1991 and 1998 to maximise probabilities of detection (>90% of penguins that survive to 6 years of age ... (Table 5). On the assumption that the ratio of male to female chicks raised to crèche age was 1:1, the ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 53–74 : Auteur(s): Clarke, J., L.M. Emmerson, A. Townsend and K.R. Kerry

3. Age determination of Notothenia gibberifrons from the South Shetland Islands, Antarctic Peninsula subarea (Subarea 48.1)

   : Location Low Island Potter Cove (25 De Mayo/King George I.) Date January 1985 February-May 1986 Gear ... Bottom-trawl Trammel net (Scientific) Depth 40-90 m 14-50 m Fishes from Low I. were caught from the ... ), July 1 st was taken as the birth date from which the age of fish was calculated. 3. RESULTS The ... from 45 to 52 cm. Fish of such length probably inhabit greater depths than our net could reach (40-90 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 143-160 : Auteur(s): Barrera-Oro, E.

4. Mesopelagic fish of the Southern Ocean - summary results of recent Soviet studies

   WG-FSA-90/23 MESOPELAGIC FISH OF THE SOUTHERN OCEAN ... assessment should thus be attempted for each species separately. As mentioned above, spawning and feeding of ... of 80 to 140 m depth; in the night they are found dispersed in the 5 to 100 m layer from the surface ... Convergence resulted in a total biomass estimate of about 1.7x106 tonnes. About 90% of control catches was ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 433–457 : Auteur(s): Sabourenkov, E.N.

5. Characteristics of krill aggregations in the South Sandwich Islands subarea in January–February 2000

   biomass is shown. About 64% of the krill biomass was concentrated in krill swarms in the upper 80 m depth ... the krill biomass was concentrated in krill swarms in the upper 80 m depth layer within meander and ... des essaims de krill situés dans la couche des 80 m supérieurs dans les zones de méandres et de ... 80-метровом горизонте в зонах меандров и вихрей моря Уэдделла (14% района исследований). Чтобы ... menores de 80 m, en zonas de meandros y remolinos en el mar de Weddell (14% del área de estudio). Se ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 145–164 : Auteur(s): Kasatkina, S.M., A.P. Malyshko, V.N. Shnar and O.A. Berezhinsky

6. Options for allocating the precautionary catch limit of krill among small-scale management units in the Scotia Sea

   the fourth is pro por- tional to the standing stock less predator demand in each SSMU. The fi fth ... to date, this study is confi ned to Subareas 48.1, 48.2 and 48.3. Accordingly, the precautionary ... data 82.4 2.491 no data 1989/90 45.1 5344 –4.364 17.1 2.592 –4.526 1990/91 6.4 4939 –5.312 23.8 2.425 ... (80%) would be apportioned to the three pelagic SSMUs. Development of option (v) requires ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 81–97 : Auteur(s): Hewitt, R.P., G. Watters, P.N. Trathan, J.P. Croxall, M.E. Goebel, D. Ramm, K. Reid, W.Z. Trivelpiece and J.L. Watkins

7. Improving estimates of Adélie penguin breeding population size: developing factors to adjust one-off population counts for availability bias

   1. 0 1. 5 2. 0 0 20 40 60 80 12 0 C ou nt Date A du lt av ai la bi lit y ad ju st ... adjusted by some date- or stage-specific factor if the count is to form the basis of an estimate of some ... adjust counts of penguins at their breeding sites with date- or stage-specific factors is related to ... develop availability adjust- ment factors for population estimation, they pro- vide important background ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 229–241 : Auteur(s): Southwell, C., J. McKinlay, L. Emmerson, R. Trebilco and K. Newbery

8. Low genetic diversity in the Antarctic toothfish (Dissostichus mawsoni) observed with mitochondrial and intron DNA markers

   routine biological analyses and fi xed in 90% ethanol. DNA extraction Total genomic DNA was extracted ... A ~0.7 kb fragment including the 3’ end of the cytochrome b gene, tRNA-Thr, tRNA-Pro, and a 5 ... BIOEDIT pro gram (Hall, 1999). Tests of geo graphi cal dif- fer entiation were implemented by Arlequin ... . 1982. Electrophoretic analysis of Antarctic fi sh from South Georgia. Animal Blood Groups and ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 43–51 : Auteur(s): Smith, P.J. and P.M. Gaffney

9. Archival and satellite-linked data recorders

   recorders are deployed on freely swimming animals and gather data on aspects of an animal’'s diving ... aspects concernant la conduite de plongee d'un animal. Les enregistrements peuvent etre recuperes de ... sobre los aspectos del comportamiento de zambullida de un animal. Los registros pueden ser recuperados ... animal of interest and subsequently recovered together with the stored data, and Satellite-linked ... Recorders, wherein the instrument is attached to an animal and data recovery and/or geolocation are ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 475-493 : Auteur(s): Hill, R.D.

10. Size at sexual maturity of Patagonian toothfish (Dissostichus eleginoides)

    MaylJune 1996 Female July 1997 Female JulyIAugust 60 70 80 90 100 110 120 130 Length (cm) 60 70 80 ... Figure 1: Diagrammatic representation of a situation whereby only 80% of all sexually mature fish come ... Male July Length (cm) 1997 Male MarchlApril 1997 Male MaylJune 1997 Male JulylAugust 60 70 80 ... 90 100 110 120 130 Length (cm) Figure 2: Proportion of male fish coming into spawning condition ...

    Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 37–46 : Auteur(s): Everson, I. and A.W. Murray

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