Résultats de la recherche
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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)
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REPORT ON A LONGLINE SURVEY CONDUCTED BY THE FV JANAS IN MAY 2008 ON BANZARE BANK, AND AN ASSESSMENT OF THE STATUS OF DISSOSTICHUS SPP. IN DIVISION 58.4.3B
Abstract: In May 2008, a randomised longline survey, consisting of 15 standardised sets over 2 ... strata covering areas of commercial fishing activity was conducted from aboard the Australian flagged ... across the majority of the surveyed area. Catches of toothfish consisted of both species of Dissostichus ... shallow areas on the western part of the Bank. Data on size distribution and size at maturity indicate ...
Meeting Document : WG-FSA-08/57 : Auteur(s): D. Welsford, T. Robertson and G. Nowara (Australia)
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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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Plan of research program of the Ukraine in Subarea 48.2 in 2016 (second season)
accordance with the recommendations of CCAMLR-XXXIII. The certain number of the following bottom long line ... the Ukrainian flagged FV SIMEIZ. The data collected in first year of the research showed the ... possibility of demarcation of investigated area on two blocks- Northern and Southern by the Dissostichus spp ... . habitat. Proposed to change the design of the research survey to reach the purpose of 3-years ...
Meeting Document : WG-SAM-15/40 : Auteur(s): Delegation of Ukraine
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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