Résultats de la recherche

1. Stable isotope analysis of Southern Ocean fish tissue samples to investigate trophic linkages of Antarctic toothfish (Dissostichus mawsoni)

   to determine C and N stable isotope composition. Values of?15N and?13C suggested that a minimum of ... Atlantic, and sperm whales from the Gulf of Mexico. There was high variance in?15N and?13C values for each ... of the species sampled, on the order of 3-4 ‰ for?15N (which equates to one trophic level) and 4 ... ‰ for?13C (suggesting multiple primary sources of organic matter). For each species where sufficient ...

   Meeting Document : WG-EMM-07/19 : Auteur(s): M.H. Pinkerton, S. Bury, S.M. Hanchet and D. Thompson (New Zealand)

2. Incidences of gillnet fishing in the Convention Area reported through the Scheme of International Scientific Observation

   Abstract:  Observers deployed in terms of the CCAMLR Scheme of International Scientific ... Observation are required to record incidences of IUU fishing. Since the CCAMLR 2003/4 season 15 reports of IUU ... on some of the fishing grounds in this area. These reports are supported by both photographic ... evidence of vessels hauling gillnets and sections of gillnet retrieved by licensed longliners. Author(s ...

   Meeting Document : CCAMLR-XXVI/BG/30 : Auteur(s): Delegation of South Africa

3. Review of rattail and skate by-catch and analysis of rattail standardised CPUE from the Ross Sea toothfish fishery in Subarea 88.1 from 1997/98 to 2001/02

   Abstract:  Little is known about the bycatch of skates, rays and macrourids in the target longline ... fishery for toothfish in the Ross Sea. Following concerns about the accuracy of reporting of bycatch ... reviewed and the accuracy of data recording was investigated. Current systems were considered to be ... . Insufficient data have previously been available to evaluate the usefulness of a standardized CPUE analysis of ...

   Meeting Document : WG-FSA-02/40 : Auteur(s): R.G. Blackwell and S.M. Hanchet (New Zealand)

4. Measurements of sound-speed and density contrasts of Antarctic krill (Euphausia superba) on board RV Kaiyo Maru

   Abstract:  In order to calculate the target strength of Antarctic krill (Euphausia superba) using ... of krill were measured during the Antarctic surveys conducted by the Japanese RV Kaiyo Maru in 1999 ... /2000 and 2004/2005. Samples of krill were caught by a RMT(1+8). Mass-density of krill was measured by ... Sea in January and February 2005. Sound-speed was measured using the "time of flight" method ...

   Meeting Document : WG-EMM-08/56 Rev. 1 : Auteur(s): Y. Takao, H. Yasuma, R. Matsukura, K. Amakasu and M. Naganobu (Japan)

5. Breeding biology and diet of pintado petrels Daption capense at Bouvetøya during the summer of 1996/97

   Abstract:  A study on the breeding biology and diet of Pintado Petrels Daption capense was ... success for the total 300 pairs of breeding Pintado Petrels at Nyrøysa was 59 %. Three study colonies were ... was 85 %. Rates of failure were higher during the chick stage than in the egg stage for both of these ... parents (guard period) was 14 days. The length of the guard period was negatively related to the date of ...

   Meeting Document : WG-EMM-97/56 : Auteur(s): Isaksen, K., Huyser, O., Dyer, B.M., Cooper, J., Ryan, P.

6. Some considerations for the further development of statistical summaries of CEMP indices

   Abstract:  A potential method is presented for combining data collected as part of the CCAMLR ... ecosystem monitoring programme (CEMP) into a single index for each of the predator, prey and environment ... parameters. The proposed method is based on the usual theory of multivariate statistics and takes into ... account the covariance between parameters. The power of the statistical procedure recently adopted by WG ...

   Meeting Document : WG-EMM-Stats-97/07 : Auteur(s): de la Mare, W.K.

7. Diagnostic model of functioning of Antarctic krill population in the Cooperation Sea

   Abstract:  Being prepared by a collective of authors, this paper demonstrates some approaches to ... mathematical modelling of Antarctic krill population in the Cooperation Sea. The choice of investigation area ... from 1978 to 1984 and 1988. The objective of the researches was to reveal causes of sharp fluctuations ... assess variations in parameters of the ecosystem and its staunchness against their impact. A possibility ...

   Meeting Document : WG-Joint-94/07 : Auteur(s): V. Belyaev and M. Khudoshina (Ukraine)

8. On the problem of by-catch of juvenile fish in krill fishery

   Abstract:  Studies of by-catch of juvenile fish in krill catches by research vessels were ... -Kidd trawl with an opening area of 6.0 m2 was used. Trawls were taken in the 0-200 m surface layer over ... krill trawl with an opening area in a small meshed section of the trawl beg of 100 m2. Catches were ... species of fish in krill catches were Pleuragramma antarcticum, Electrona antarctica and Trematomus ...

   Meeting Document : WG-FSA-92/10 : Auteur(s): C.A. Pankratov and E.A. Pakhomov (Ukraine)

9. The composition and origin of marine debris stranded on the shores of subantarctic Macquarie Island

   Abstract:  The coastline of subantarctic Macquarie Island (54° 35’S, 158° 55’E) was surveyed over ... an eight week period in 1988 to determine types, quantities, and possible sources of marine debris ... . Lost fishing gear consisted of buoys, ropes, and net fragments. Gear from both trawling and longline ... South American sources. Three types of litter which potentially entangle marine mammals were found ...

   Meeting Document : CCAMLR-VIII/BG/10 : Auteur(s): D.J. Slip and H.R. Burton (Australia)

10. Research plan for the Spanish exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2: Update of stage 2 (2013/14 season) and preliminary results of stage 1 (2012/13 season) according to WG-SAM advice

    Abstract:  A revision of the research plan and preliminary results of the Spanish exploratory ... completed in each of the SSRU surveyed (58.4.1H and 58.4.1G). Three prospecting-phase clusters of sets did ... not reach the threshold to start the depletion. A new prospective estimation of the local biomass (B ... LOC) of the two localized areas where the depletion experiments were performed is done as well as an ...

    Meeting Document : WG-FSA-13/15 : Auteur(s): R. Sarralde, L.J López Abellán and S. Barreiro (Spain)

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