Résultats de la recherche

1. Population of macaroni penguins Eudyptes chrysolophus at Marion Island, 1994/95 to 2002/03, with information on breeding and diet

   fledged on average 0.46 chicks per year, an amount thought insufficient to maintain the population ... , macaroni penguins usually breed for the first time when aged about three years. From 1994/95–2002/03, pairs ... large colonies, at Bullard Beach and Kildalkey Bay, account for about 85% of the overall population. At ... decrease of 88% between 1979/80 and 2002/03, most of the decrease occurring after 1983/84. At Marion Island ...

   Meeting Document : WG-EMM-03/15 : Auteur(s): R.J.M. Crawford, J. Cooper and B.M. Dyer (South Africa)

2. Ageing two myctophid fishes using otolith from king and macaroni penguins in the Marion Island and its implication to feeding preference of penguins on those myctophids

   decrease for P. bolini between two readers through repeat reading runs 1 to 3. The age structures of E ... . The age structures of P. bolini are 0.5 to 4.0 years and 1.5 to 4.0 years from King penguins and ... predators, particularly penguins. However, the information on age of those fishes are very limited and ... penguins in the Marion Island, the present study examined the age determination and precision of age ...

   Meeting Document : WG-FSA-18/74 : Auteur(s): M. Duan, G.P. Zhu, A. Makhado and L. Wei

3. Managing fishing vessels

   vessels resulting in an ad hoc patchwork of regulation. The paper identifies a new opportunity for review ... two years proposes two conservation measures which would harmonize requirements for fishing vessels ... Polar Code. However, recognizing that the work on the Polar Code is unlikely to be completed for another ... responsibility for releasing documents:  CCAMLR Secretariat ...

   Meeting Document : CCAMLR-XXIX/BG/22 : Auteur(s): ASOC Observer

4. WG-FSA-SAM-05

   of an Antarctic toothfish (Dissostichus mawsoni) stock model for the Ross Sea A. Dunn, D.J. Gilbert ... -age data accounting for length-dependent fishing selectivity and length-stratified sub-sampling of ... . Constable, S.G. Candy and B. Raymond (Australia) WG-FSA-SAM-05/18 Age-structured production model for ... mawsoni) tagging scheme in the Ross Sea for the years 1997/98 to 2003/04 A. Dunn, S.M. Hanchet and K ...

   Meeting

5. WG-EMM-14

   , H. Pehlke and T. Brey (Germany) WG-EMM-14/20 Review of the Russian marine researches in the south ... -eastern part of the Atlantic Antarctic Area (20°W–30°E) V. Shnar and S. Kasatkina (Russia) WG-EMM-14/21 ... and P.N. Trathan (United Kingdom) WG-EMM-14/03 Update for CCAMLR WG-EMM on the BAS, BirdLife, SCAR ... . Hindell (Australia) WG-EMM-14/04 Practical options for developing feedback management for the krill ...

   Meeting

6. Evaluation on the performance of echosounder on a fishing vessel using maximum seabed backscattering

   Abstract:  The performance of echo sounder system is critical for using acoustic data collected ... and 2018) collected at a relatively fixed location with bottom depth around 200 m were used to ... evaluate the potential to use seabed backscattering as an alternative way to the standard sphere ... , dB) for single ping were less than 1.0 dB with 0.35 dB and 0.78 dB at 120 kHz and 38 kHz ...

   Meeting Document : SG-ASAM-18/06 : Auteur(s): X. Wang, X. Yu and X. Zhao

7. Volume 3: CCAMLR. 1991. Statistical Bulletin, Vol. 3 (1981–1990). CCAMLR, Hobart, Australia.

   ends; for example. 1978 indicates the split-year 1 July 1977 to 30 June 1978. 2.5 Some tables ... -year 1 July to 30 June. Split-year data are shown under the calender year in which the split year ... ; species having catches of greater than 4000 tonnes for these Subareas in any year following 1986 were ... I_ ... ~ ... .. __ ... 5 - oyl •• 48.5 Woddell Sea o 48.6 ~1~~~mC~-~j 50' 40' 30' 20' 60 ...

   Document : Site Section: Publications

8. Laboratory target strength measurements of free swimming Antarctic krill (Euphausia superba)

   single animal insonifications. For mean length classes in the range [29.6, 36.2] mm the median single ... -animal target strengths are in the range [-76.7,-71.8] dB. Monte Carlo computer simulations were used to ... evaluate the effects of varying the ratio of largest to smallest echo amplitudes for a given ensemble, thus ... bias was then determined for each ensemble of experimental data and used to determine corrections which ...

   Meeting Document : WG-EMM-97/75 : Auteur(s): Pauly, T., Penrose, J.D.

9. Report on the status of wandering, black-browed and grey-headed albatrosses at South Georgia

   by ground counts, indicate more rapid declines: 4.0% p.a. from 1989/90-2003/04 for black-browed ... photography and subsequent counting on computer screen using Adobe Photoshop software. In total, an estimated ... %, respectively. However, comparison of annual totals for Bird Island, which was censused on both occasions mainly ... albatrosses, and 2.9% p.a. from 1990/91-2003/04 for grey-headed albatrosses. Due to the lower accuracy of the ...

   Meeting Document : WG-FSA-04/71 : Auteur(s): S. Poncet (United Kingdom),G. Robertson (Australia), R. Phillips (United Kingdom), K. Lawton (Australia), B. Phalan, J. Croxall and P. Trathan (United Kingdom)

10. THE POWER OF ECOSYSTEM MONITORING

    % power after 20 years with the probability of a type I error (α) = 0.05). The power increased to >50 ... Abstract:  1. Implementing an ecosystem approach to fisheries management requires an effective ... effects of fishing using either the krill population or a combined predator response index was low (20–40 ... to detect the effects of fishing may be limited if there is a requirement for statistical ...

    Meeting Document : WG-EMM-08/P11 : Auteur(s): K. Reid, J.P. Croxall and E.J. Murphy

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