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1. Bias in the estimation of krill yield from using a deterministic formulation of the median unexploited spawning biomass

   median unexploited spawning biomass Abstract / Description:  Two Monte Carlo simulation models, the krill ... and for three levels of y - 0.15, 0.2 and 0.4. Projections for 20 years and 30 years were undertaken ... spawning biomass after 20 and 30 years relative to median So in each run with no fishing was 1.099 and ... , while the second set used 10 001 replicate random initial age structures to estimate S,,. Two types ... perio . Table 2: Escapement of spawning biomass at the end of 20 and 30-year projections for different ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 1–8 : Autor(es): Constable, A.J. and W.K. de la Mare

2. Standing stock estimates of finfish biomass from the 2002 Polarstern bottom trawl survey around Elephant Island and the South Shetland Islands (Subarea 48.1) with some notes on the composition of catches taken north of Joinville Island – D’Urville Island

   resembled closely those in previous years. The proportion of juvenile G. gibberifrons, the most abundant ... quantities prior to commercial exploitation in 1979/80. It should be noted that more than 95 % of the ... stock. Author(s):  K.-H. Kock (Germany), C.D. Jones (USA), J. Appel (Germany), G. von Bertouch (CCAMLR ... (Italy), S. Schöling (Germany) and L. Zane (Italy) Title:  Standing stock estimates of finfish biomass ...

   Meeting Document : WG-FSA-02/24 : Autor(es): K.-H. Kock (Germany), C.D. Jones (USA), J. Appel (Germany), G. von Bertouch (CCAMLR Secretariat), D.F. Doolittle (USA), M. la Mesa (Italy), L. Psenichnov (Ukraine), R. Riehl (Germany), T. Romeo (Italy), S. Schöling (Germany) and L. Zane (Italy)

3. WG-FSA-89

   Full Name:  Working Group on Fish Stock Assessment Location:  Hobart, Australia Date(s ... (USSR) WG-FSA-89/20 On Assessment of Bertalanffy Growth Equation Parameters and Instantaneous Natural ... Mortality Rate on South Georgia Icefish Zh.A. Frolkina and R.S. Dorovskikh (USSR) WG-FSA-89/21 1989/90 Stock ... ) WG-FSA-89/22 Rev. 1 1989/90 Stock Status and TAC Assessment for Champsocephalus gunnari in South ...

   Meeting

4. Interannual variation in the diet of the Antarctic prion Pachyptila desolata at South Georgia

   copepods, especially Rhincalanus gigas and Calanoides acutus, in two years of low krill abundance ... suffer much reduced reproductive performance in years of reduced krill availability. Author(s):  Croxall ... regurgitated by adult birds during five breeding seasons at Bird Island, South Georgia. In all years the diet ... . Antarctic krill Euphausia superba was the dominant prey item in three years and was replaced by calanoid ...

   Meeting Document : WG-EMM-97/12 : Autor(es): Croxall, J.P., Edwards, T.M., Reid, K.

5. Myctophids in the diet of Antarctic predators

   - seven, Bathydraconidae- two and Rajidae- one), 18 species of birds (penguins- seven, albatrosses- four ... , petrels- five, prions- one and cormorants- one) and two species of seals. Myctophids in the diet of ... found in the diet of one species of squid, 18 species of fish (Nototheniidae- eight, Channichthyidae ... predatory species are represented by 16 species of genera Krefftichthys (one species), Protomyctophum (four ... fish (Nototheniidae - eight, Channichthyidae - seven, Bathydraconidae - two and Rajidae - one), 18 ... fish (eight Nototheniidae, seven Channichthyidae, two Bathydraconidae and one Rajidae), 18 species of ... birds (penguins - seven, albatrosses - four, petrels - five, prions - one and cormorants - one) and two ... of one species of squid, 18 species of fish (eight of Nototheniidae, seven - Channichthyidae, two ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 335–368 : Autor(es): Sabourenkov, E.

6. Population structure of icefish (Champsocephalus gunnari) in the South Georgia area (Antarctic)

   assume the common origin of the western and Shag Rock groupings. C.gunnari of two-three years old (at the ... length and older than 6-7 years (10-11 years in the South Georgia area) and considerably lower number of ... similarity between the eastern and western groupings and the differences between those two and Shag Rocks ... the life space extension or the feeding zone. Author(s):  Zh.A. Frolkina and I.A. Trunov (Russia ...

   Meeting Document : WG-FSA-04/40 : Autor(es): Zh.A. Frolkina and I.A. Trunov (Russia)

7. Statistical problems in krill stock hydroacoustic assessments

   :  Two primary issues are at question for hydroacoustic assessments of krill. The first is the methods ... issue of patchy years vs more even distribution would seem to have more impact on ecosystem management ... distributed. Consider as a test case that we have two surveys in two consecutive years giving identical ... HYDROACOUSTIC ASSESSMENTS M.C. Macaulay Abstract Two primary issues are at question for hydroacoustic ... biomass present in an area, but rather how it is distributed. The issue of patchy years vs more even ... hydroacoustic survey (one sample per second), there sometimes is a lack of independence between samples due to ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 301–309 : Autor(es): Macaulay, M.C.

8. Characterisation of skate catches in the Ross Sea region

   in the Ross Sea Region, including the data collected in the two “Year of the Skate” fishing seasons ... of the two species, starry skates generally being found deeper and more to the west than Eaton cf ... the “Years of the Skate”, a total of about 3300 starry skates and 700 Eaton cf. skates were tagged and ... T-bar tags were similar to those calculated for toothfish. The “Years of the Skate” have been ...

   Meeting Document : WG-FSA-10/25 : Autor(es): S. Mormede and A. Dunn (New Zealand)

9. Depletion-corrected average catch: a simple formula for estimating sustainable yields in data-poor situations

   yield component and an unsustainable “windfall” component associated with a one-time reduction in stock ... biomass. The size of the windfall is expressed as being equivalent to a number of years of sustainable ... sum of the number of years in the catch series and this windfall ratio. Input information includes the ... sum of catches and associated number of years, the relative reduction in biomass during that period ...

   Meeting Document : WG-SAM-11/P3 : Autor(es): A.D. McCall

10. Beach debris survey – Main Bay, Bird Island, South Georgia 1996/97

    revealed a total of 289 items, 60 % less than in the two previous years. Of the total number of items, 62 ... use. The reduction in man-made debris compared to the two previous years may reflect a reduction in ... Ocean. Author(s):  Delegation of the United Kingdom Title:  Beach debris survey – Main Bay, Bird Island ... Abstract:  The seventh year of surveys of beached man-made debris at Bird Island, South Georgia ...

    Meeting Document : CCAMLR-XVII/BG/7 : Autor(es): Delegation of the United Kingdom

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