Résultats de la recherche
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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.
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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.
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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)
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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)
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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)
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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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The random stratified trawl survey to estimate the abundance of Dissostichus eleginoides and Champsocephalus gunnari in the waters of Heard Island (Division 58.5.2) for 2016
Abstract: The annual random stratified trawl survey (RSTS) of 2016 at HIMI was conducted during ... April, with the completion of 163 stations. The survey was conducted for the second year on the FV Atlas ... Cove. Sampling protocols such as the design and the duration of the hauls were similar to last year’s ... survey, but with a new set of randomly selected station points. The calculated density of D. eleginoides ...
Meeting Document : WG-FSA-16/23 : Auteur(s): G.B. Nowara, T.D. Lamb and D.C. Welsford
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Conservation at CCAMLR: Understanding Article II of the Convention on the Conservation of Antarctic Marine Living Resources
Abstract: Article II has periodically been the subject of discussion in the Commission. As ... CCAMLR moves through its fourth decade of service as a vital part of the Antarctic Treaty system, the ... delegations of United States and Australia considered it was important to recall the development of the ... taking a close look at Article II of the Convention to see how the term is applied and to consider its ...
Meeting Document : CCAMLR-XXXV/BG/28 : Auteur(s): Delegations of Australia and the USA
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Modelling Movement of Antarctic Krill (MMAK): the importance of retention, dispersal and behaviour for krill distribution
at scales relevant to the fishery and predators. This paper reports the initiation of a project that ... Abstract: Effective management of the Antarctic krill (Euphausia superba, hereafter krill ... ) fishery requires an understanding of the controls on the distribution and abundance of krill ... . Particularly important are the pathways and timescales of movement and retention affecting krill distribution ...
Meeting Document : WG-EMM-17/31 : Auteur(s): S. Thorpe, E. Young and E. Murphy
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Cruise report of multidisciplinary ecosystem survey in the eastern Indian sector of the Antarctic (CCAMLR Division 58.4.1) with a focus on Antarctic krill during 2018/19 season by the Japanese survey vessel, Kaiyo-maru
Abstract: A multidisciplinary ecosystem survey in the eastern Indian sector of the Antarctic ... season for 53 days. The survey consisted of 2 survey periods: Leg 1 (from 15 December 2018 to January ... predetermined and 29 targeted stations with combination of both at 3 stations). SUIT tows were carried out at 28 ... , 120 and 200 kHz) data to estimate biomass of Antarctic krill were recorded along predetermined ...
Meeting Document : WG-EMM-2019/42 : Auteur(s): H. Murase, K. Abe, R. Matsukura, H. Sasaki, R. Driscoll, S. Driscoll, F. Schaafsma, M. van Regteren, Q. Yang, H. Ohshima, K. Ohshima, R. Sugioka, J. Tong, N. Yamamoto, H. Doiguchi, E. Briggs, K. Doi, D. Hirano, K. Katsumata, M. Kiuchi, Y. Ko, D. Nomura, M. Orui, H. Sato, S. Toyoda, K. Yamazaki, T. Ishihara, K. Hamabe, S. Kumagai, T. Miyashita, N. Yamada, Y. Koyama and H. Sasaki