Результаты поиска

1. Preliminary assessment of toothfish in Subarea 48.3

   continue for the next 35 years then appropriate long-term yields could be as low as 975 tonnes.  This ... due to a combination of a strong 2001 cohort and a change in selectivity for the commercial fleet, but ... recruitment suggests a long-term yield of 3 200 t.  If year class strengths have been low since 1994 and ...

   Meeting Document : WG-FSA-11/33 Rev. 1 : Автор(ы): T. Peatman, R.E. Mitchell, G. Parkes and D.J. Agnew (United Kingdom)

2. Krill distribution patterns in the Atlantic sector of the Antarctic during the CCAMLR-2000 Survey

   Abstract:  The international CCAMLR Survey 2000 was conducted to support an updated estimate of ... midnight and midday stations. Additional samples were take by opening-closing nets for the identification ... of acoustic targets. Analyses on the combined data sets from the net sampling program indicate that ...

   Meeting Document : WG-EMM-00/6 Rev. 1 : Автор(ы): V. Siegel (Germany), S. Kawaguchi (Japan), F. Litvinov (Russia), V. Loeb (USA) and J. Watkins (United Kingdom)

3. APPLICATION TO UNDERTAKE WINTER SCIENTIFIC RESEARCH IN CCAMLR SUBAREA 88.1 (SSRUS 88.1B, 88.1C AND 88.1G) IN THE 2008/09 SEASON

   series. The proposal is for a targeted longline survey designed to cover critical gaps in the knowledge ... on the spawning movements of mature D. mawsoni. The results of the research will lead to improved ... estimates of length/age of maturity, proportion mature that spawn, and contribute to an improved ... in CCAMLR SSRUs 88.1B, 88.1C and, ice permitting, 88.1G in 2008/09, as the first in a three year time ...

   Meeting Document : WG-FSA-08/62 : Автор(ы): Delegation of New Zealand

4. Population dynamics of the wandering albatross Diomedea exulans at Marion Island: long-line fishing and environmental influences

   on neighbouring Possession Island (Crozet Islands) but differed from those at South Georgia ... , suggesting common factors operating at an ocean-basin scale. The average survival rate of adult females was ... supplementary food being made available by the initiation of a longline fishery for Patagonian toothfish ... the impact of longline fishing on this species and improve its conservation status is strongly ...

   Meeting Document : WG-EMM-03/11 : Автор(ы): D.C. Nel, F. Taylor, P.G. Ryan and J. Cooper (South Africa)

5. Evaluating MPA scenarios in Planning Domain 1 using a dynamic food-web model

   protected area (MPA) scenarios. We evaluate four MPA scenarios, including two representing portions of the ... proposed for protection might positively impact the biomass of krill and krill predators. Protection of ... these southern areas may be particularly important for ensuring a positive outcome from the D1MPA ... Status:  Content Approved Document Release Consent:  No Delegation responsibility for releasing documents ...

   Meeting Document : SC-CAMLR-XXXVII/BG/04 : Автор(ы): Delegation of the USA

6. Fish as diet of the blue-eyed shag, Phalacrocorax atriceps bransfieldensis at Half-Moon Island, South Shetland Islands

   lengths, using equations derived from data on local populations. Fish remains were present in all casts ... differed between shags from the two areas. Author(s):  E.R. Barrera-Oro and R.J. Casaux (Argentina) Title ...

   Meeting Document : WG-CEMP-94/32 : Автор(ы): E.R. Barrera-Oro and R.J. Casaux (Argentina)

7. Antarctic krill populations in the outflow region of the north-western Weddell Sea

   dominated by two and three year old krill. Spawning occurred late and numbers of gravid females and larvae ... were low. Ice krill E. crystallorophias was abundant on the shelf of the north-western Weddell Sea ... was below the longterm average of the area. New one-year-old recruits were scarce, the stock was ...

   Meeting Document : WG-EMM-13/24 : Автор(ы): V. Siegel (European Union)

8. Biological acoustic survey in the marginal ice edge zone of the Bellingshausen Sea

   Abstract:  An acoustic survey at 38 and 120 kHz was carried out from RRS Discovery in the ... using an echo integration system. These data are used to describe the spatial and temporal variability ... density varied from a mean of 42 g m-2 during the first survey phase to 19.6 g m-2 on the second survey ... phase. On this first survey a large swarm (2.8 km in extent) had a potential biomass of 3.7 x 104 tonnes ...

   Meeting Document : WG-Krill-94/32 : Автор(ы): A.W.A. Murray, J.L. Watkins and D.G. Bone (United Kingdom)

9. Diet composition of Champsocephalus gunnari in Subarea 48.3, Dr Eduardo Holmberg survey, February/ March 1994

   Georgia, in parallel with the virtual absence of mysids and Thysanoessa spp.. Krill was available for fish ... in common levels, equivalent to those of previous years (e.g. 1985, 1992). However, high proportions ... of empty stomachs were found at South Georgia and Shag Rocks, close to the values reported for the ... available for comparison. No krill aggregations were found in the region by acoustic methods in the 1994 ...

   Meeting Document : WG-FSA-94/27 : Автор(ы): E. Barrera-Oro, R. Casaux and A. Roux (Argentina)

10. Estimation of the biomass of krill in Prydz Bay during January/February 1991, February/March 1992 and January/ February 1993 using echo integration

    et al. 1988). The distribution of the Sa values for the lower biomass years 1992 and 1993 were ... , 3.45 and 1.78 g/m2 for statistical areas 48.1,48.2 and 48.3 (SC-CAMLR 1991, p47)but small compared to ... 20.2 g/m2 estimated for January 1985 from the SIBEX-II data. The Australian SIBEX-II estimate falls in ... similar and distinctly different from the higher biomass year of 1991. The difference is characterised by ...

    Meeting Document : WG-Krill-94/21 : Автор(ы): T. Pauly and I. Higginbottom (Australia)

Страницы