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1. Using stationary acoustic platforms to assess precision and accuracy of acoustical krill surveys

   Abstract:  The current CCAMLR protocol specifies daytime acoustic sampling in order to avoid ... issues of diel changes in acoustic scattering strengths. However, due to logistic constraints, acoustic ... a regular basis deployed stationary platforms in the main area for commercial krill harvesting at ... the South Orkney Islands since 2014, and in this report some of these data have been analysed in order ...

   Meeting Document : WG-EMM-2019/32 : Автор(ы): T. Klevjer, G. Skaret and B.A. Krafft

2. Fishery Report 2014: Champsocephalus gunnari South Georgia (Subarea 48.3)

   gunnari) grow rapidly to a maximum size of 55 cm, reaching a marketable size of 30 cm in three years ... of 90 mm. In recent years, the catch limit for this fishery has been between 1 500 and 5 000 tonnes ... December 2013 and ended on 30 November 2014. The total catch of C. gunnari in 2014 was 33 tonnes. 5 ... biomass (see WG-FSA-SAM-04/20). In 2013, there were no new estimates of standing stock available from ...

   Document : Site Section: Publications

3. Evaluation of Antarctic krill biomass and distribution off the South Orkney Islands 2011-2015

   coverage in all years except 2013. The results show that except from the year 2015, krill densities were ... assessments, but the frequencies operated varied between vessels and years. In addition, the survey coverage ... has varied between years in particular due to ice. In order to allow for comparison of distribution ... . 8 million tons of krill within the stratum in the peak year 2014. There were also consistently ...

   Meeting Document : WG-EMM-15/54 : Автор(ы): G. Skaret, B.A. Krafft, L. Calise (Norway), J. Watkins (UK), R. Pedersen and O.R. Godø (Norway)

4. SC-CAMLR-SSP-2

   meetings of the Scientific Committee and Working Groups of the Scientific Committee in 1985. Abstracts of ... years old. fish (age class II) which is presumably the recruit i ng year class . Varia- bility in ... estimates indicate a reduction in stock size to 10 ~ 20% of that estimated before the onset of heavy ... gunnari Except for one haul yield i ng 1. 4 t/30 min catches of C. gunnari were in general less than ... exceeding 50 kg/30 min. Juveniles of 30-70 cm pred ominated in the catche s (fig. 13). fa 1975/76 and 1977 ...

   Document : Site Section: The Organisation

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

   scale readings gave a result of one year more. This could arise from the difficulty in differentiating ... - 14.8-38 cm). Otolith and scale readings have been compared in 19 Potter Cove specimens. In some cases ... between false and annual checks in scales. Age determination by otolith cross sections proved to be the ... those in the same age group around South Georgia. Likewise, our values are lower than the ones reported ... Georgia area, the reported data on age determination are well comparable in age groups up to 9 years ... Cove, 25 De Mayo/King George Island. Age in years; total length in cm. MALES FEMALES Total PgJ ... group in male and female Notothenia gibberifrons from Low Island and Potter Cove. Age in years; range ... ~ N 0'= 42 0 8 r ~n N~ = 53 ~ 6 4 z 2 ---- >- 14 16 18 20 22 24 26 28 30 32 34 36 38 u z t4 ...

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

6. Conservation Measure Conservation Measure 25-03 (2016)

   Islands Adopted at Meeting:  CCAMLR-XXXV Period in Force:  2016- 2018 ... Minimisation of the incidental mortality of seabirds and marine mammals in the course of trawl ... fishing in the Convention Area Limitations:  Except for waters adjacent to the Kerguelen and Crozet ... )1 Minimisation of the incidental mortality of seabirds and marine mammals in the course of trawl ... fishing in the Convention Area Species seabirds, marine mammals Area all Season all Gear trawl ... cables on vessels in the CAMLR Convention Area is prohibited5. 2. Vessels operating within the ... with the net in the water. 6. Vessels should be encouraged to develop gear configurations that will ...

   Conservation Measure : 25-03 (2016)

7. Conservation Measure Conservation Measure 21-03 (2009)

   Notifications of intent to participate in a fishery for Euphausia superba Species:  Euphausia ... superba Adopted at Meeting:  CCAMLR-XXVIII Period in Force:  2009- 2010 ... measure one series of 20 meshes, selected in accordance with Article 3, inserting the gauge manually ... determining the mesh size in accordance with Article 5 when using a weight or dynamometer, one series of 20 ... intervals. ARTICLE 2 Use of the Gauge 1. The net shall be stretched in the direction of the ... long diagonal of the meshes. 2. A gauge as described in Article 1 shall be inserted by its narrowest ...

   Conservation Measure : 21-03 (2009)

8. A brief outline of the biology of the Antarctic silverfish, Pleuragramma antarcticum Boulenger, 1902 (Nototheniidae) from the Antarctic Indian Ocean

   three relatively isolated groups. Fish aged from 0+ to 3+ years live in the epi- mesopelagic zone where ... when they reach 13-16 cm in length and 4-6 years of age. Males reach maturity at 12-18 cm in length and ... species in the outer waters of Antarctica. In the Indian sector of the Southern Ocean there are at least ... there are macro aggregations of plankton, while fish aged from 3+ to 12+ years form near-bottom, pelagic ...

   Meeting Document : WG-FSA-92/11 Rev. 1 : Автор(ы): V.V. Gerasimchuk (Ukraine)

9. Population demography of Antarctic fur seals: the costs of reproduction and implications for life-histories

   animals having been pregnant in the previous year. 6. Reproduction incurs costs to females, in terms of ... Abstract:  1. This study examined the costs of reproduction in terms of future survival and ... reproduction in female Antarctic fur seals from Bird Island, South Georgia. It used mark-recapture data from 11 ... consecutive years, including 3 years when several indices showed that food availability was well below average ...

   Meeting Document : WG-EMM-95/26 : Автор(ы): Reid, K., Croxall, J.P., Lunn, N.J., Boyd, I.L.

10. Seabird research at Cape Shirreff, Livingston Island, Antarctica, 2006/07

    lowest population size in the 10 years of census data. The number of diet samples containing fish was the ... been declining for the past seven years and is at its lowest size in the 10 years of study. Chinstrap ... Abstract:  Our tenth season of seabird research at Cape Shirreff allowed us to assess trends in ... penguin population size, as well as inter-annual variation in reproductive success, diet and foraging ...

    Meeting Document : WG-EMM-07/P1 : Автор(ы): R. Orben, S. Chisholm, A. Miller and W.Z. Trivelpiece (USA)

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