Résultats de la recherche

1. Detection and quantitative estimation of krill concentrations by hydroacoustic instruments

   in areas surveyed. The task of detecting surface concentrations of krill can be solved with the help ... FIBEX program. It was shown that the hydroacoustic device Simrad SK-120, with TVG switched off, is ... detecting surface concentrations of krill can be solved with the help of towed acoustic antennae. The ... shown that the hydroacoustic device Simrad SK-120, with TVG switched off, is capable of registering ... eddies, with certain oxygen, silicon, phosphorus concentrations and other hydrological conditions. Such ... . With the onset of darkness, the groups and aggregations usually come closer to the surface and ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 123-139 : Auteur(s): Yudanov, K.I.

2. Investigations of required sampling regimes for environmental parameters

   monthly mean temperature over two years with a significance α of 0.05 and a power P of 0.8. Sampling wind ... and pressure. Sampling daily maxima and minima would be sufficient to detect a 2 to 3°C change in ... minima would be sufficient to detect a 2 to 3°C change in monthly mean temperature over two years with a ... temperatures in that 563 year were lower than for the other two years (see Figure 1). Maximum and minimum ... conditions between years (Le., changes in the parameters of the stated magnitudes could be detected with ... parameter with a significance level exS 01 and a statistical power of P (= 1-~) ;::: 0.8. This paper ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 561–573 : Auteur(s): Agnew, D.J.

3. Marine mammals and demersal longline fishery interactions in Crozet and Kerguelen Exclusive Economic Zones: an assessment of depredation levels

   whales. These two species, alone or in co-occurrence with each other, were observed in 71% of the 1 308 ... two species, alone or in co-occurrence with each other, were observed in 54% of the 6 262 longlines ... small number of individual killer whales were responsible for most of the interactions with the fishery ... . In the Kerguelen EEZ only sperm whales, alone or in co-occurrence with fur seals, were found to ... operated all year round, with the exception of February in the Kerguelen EEZ when the fi shery was closed ... , C.A. and R.S. Henderson. 1972. Report of Project Deep Ops: Deep object recovery with pilot and ... sperm whales (Physeter macrocephalus) with a longline fi shing vessel. Mar. Mamm. Sci., 16 (3): 685 ... or in co-occurrence with each other, were observed in 71% of the 1 308 longlines set. In the ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 67–82 : Auteur(s): Roche, C., C. Guinet, N. Gasco and G. Duhamel

4. On the instantaneous natural mortality rate of Champsocephalus gunnari, South Georgia (Subarea 48.3)

   composition of catches from 1964/65 to 1968/69 and the age/length key for the first half of 1972 were used in ... first half of 1972. Length Age group (cm) 1 2 3 4 5 6 7 8 9 10 16-17 15 0 0 0 0 0 0 0 0 0 18-19 ... 1968/69 and the age/length key for the first half of 1972 were used in the calculations. The results ... /65 a 1968/69 et de la cle ages/longueurs pour la premiere moitie de 1972. Les resultats ont offert ... cocTaBY 3a 1964/65 - 1968/69 rr. H pa3MepHO-Bo3pacTHbIe KJlI01.IH 3a nepBYIO nOJlOBHHY 1972 r. B ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 313–326 : Auteur(s): Frolkina, G.A. and R.S. Dorovskikh

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

   these species are summarized in tables with details on area, season and source of data. Some data, e.g ... year, together with specific features of the reproduction of myctophids, are major factors ... . Age of maturity is 2 to 3 years (Shust and Kochkin, 1985). Sex ratio is about 1:1 with a slightly ... mesopelagic fish in Antarctic waters published in the last 5 to 7 years. The paper deals specifically with ... species. Some details of the biological characteristics of these species are summarized in tables with ...

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

6. Low genetic diversity and temporal stability in the Antarctic toothfish (Dissostichus mawsoni) from near-continental seas of Antarctica

   locations, or between samples collected in consecutive years, were observed. These results, based on ... is restricted to the Convention Area man- aged by CCAMLR. The fishery for D. mawsoni started in the ... one genetic stock with gene flow via the Antarctic Circumpolar Current or two or more stocks ... divided into three stages, with each stage being restricted to a particular depth. In the first (shelf ... ) stage, young fish (age 0+ and 1+), with total length between 41 and 117 mm, are found during spring ...

   Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 1–9 : Auteur(s): Mugue, N.S., A.F. Petrov, D.A. Zelenina, I.I. Gordeev and A.A. Sergeev

7. Australian research on Antarctic bird and seal diets

   Heard and Macquarie Islands have been collected during the last seven years. Published and unpublished ... Davis Station (68°30'S:77°50'E), in the south-eastern corner of the Prydz Bay Priority Area of CEMP ... dominant Oct-Nov and Feb most common Dec-Jan dominant late Nov-early Dec common Dec and Feb most common ... seasonal variation: E. vallentini Low early Dec, peak early Jan, partial decline to mid Feb then ... superba 22.3 Cephalopods 0 Others 0.2 Generally no significant differences with time, but P ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 231-249 : Auteur(s): Williams, R.

8. Food and feeding of the mackerel icefish (Champsocephalus gunnari) around South Georgia in January/February 1991

   mackerel icefish (Champsocephalus gunnari) around South Georgia in January/February 1991 were analysed in 3 ... to 3 877) and an unrepresentative coverage of the shelf from year to year. However, two pairs of ... 16-year period of observation (Figure 3). A lower krill index in the stomachs was only observed in ... with the exception of four stations at least 40 individuals per haul. Stomach fullness was estimated ... occurring were Thysanoessa sp. (3.3.%), myctophids (Electrona sp., Gymnoscopelus sp.) (1.8%), early life ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 15–23 : Auteur(s): Kock, K.-H., I. Everson, S. Campbell, G. Parkes, Z. Cielniaszek and J. Szlakowski

9. An integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) for the Heard and McDonald Islands using CASAL

   Division 58.5.2), using CASAL and data consisting of multi-year random stratified trawl survey (RSTS ... weighting were investigated using haul-level estimated effective sample sizes with, additionally ... data. A key uncertainty is the number of ages fully selected by the main survey series. With all the ... ) season compared to the combined early (within-year) seasons (see below for a description of the within ... with M kept fixed at 0.13 year–1 as recommended in SC-CAMLR (2006). The maximum age was set to 35 ... in the fishing method, ground, fishing year and season were replaced with an estimated ESS. The ... within fishing year and fishery. In each case the number of tags released was given along with the ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 1–34 : Auteur(s): Candy, S.G and A.J. Constable

10. Fish distribution and biomass in the Heard Island zone (Division 58.5.2)

    distribution, but abundance is lower and less variable with location and between surveys. Dissostichus ... distribution, abundance and biology of the most important species, covering a number of years and seasons. Five ... gunnari, but total abundance varied greatly between years. Channichthys rhinoceratus has a similar ... variations were not in phase with each other. Duhamel (1991a) has demonstrated a three-year cycle of ... trawlable ground, and time lost through bad weather. Spring 1993 3 (3) 9 (9) 15 (15) 15 (14) 12 ... lower and less variable with location and between surveys. Dissostichus eleginoides is widespread over ... eleginoides have been taken o n the plateau since the early 1970s by Soviet, French and Ukrainian vessels ...

    Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 1–20 : Auteur(s): Williams, R. and W.K. de la Mare

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