Résultats de la recherche
-
Results of a hydroacoustic survey of Antarctic krill populations in CCAMLR Division 58.4.1 carried out in January to April 1996
CCAMLR Division 58.4.1 for the purposes of estimating overall biomass (B0). The krill biomass in the area ... surveyed (873,000 km2) was estimated to be 6.67 million tonnes with a CV of 27%. Krill were more abundant ...
Meeting Document : WG-EMM-96/28 : Auteur(s): Higginbottom, I., de la Mare, W., Pauly, T., Nicol, S.
-
e-sc-xiii.pdf
... observer on a Bulgarian longliner, who only recently returned to Russia, will be submitted to CCAMLR as ... stock size could be drawn from the 1992/93 CPUE data. 2.14 The results of a De Lury analysis of the ... years that could be attributed to fishing. Three alternative explanations for this were considered ... catches may be sustainable at current levels; (ii) the relationship between stock size and CPUE may be
application/pdf attached to:SC-CAMLR-XIII
Meeting Report : SC-CAMLR-XIII
-
e-sc-39-rep.pdf
... discuss its business and adopt a report, there would not be time for translation of the report prior to ... and closed captions of the meeting would be available throughout the meeting. Due to technical ... report that were not able to be considered have been retained in square brackets (see paragraph 6.1 ... the closed captions will be retained by the Secretariat for verification purposes and will not be
application/pdf attached to:SC-CAMLR-39
Meeting Report : SC-CAMLR-39
-
Physical oceanographic setting of the Siedlecki January 1987, South Shetland Island data set
Scotia Sea water by a zone of varied width (10 to 100 km) of water which can best be considered as ... Scotia Sea and remnants can be identified as far east as the Greenwich Meridian. 2. SIEDLECKI, 1986/87 ... varied width (10 to 100 km) of water which can best be considered as continental margin water, advected ... CMeWHBaHHe BO~ MOP.H Y3~~enna H THxoro OKeaHa .HBn.HeTC.H Ba)l(HbIM lPaKTOpOM OKpY)l(aIOm;eH cpe~bI, C ... processes and may be referred to as continental margin water, marking a transition from the deep water open ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 161-184 : Auteur(s): Gordon, A.L.
-
Methodological guidelines on the assessment of trawl catchability of krill by means of statistical modelling
it can be applied without alteration for the assessment of the effectiveness of trawl nets of any ... equations and two double inequalities). The proposed algorithm can be realised by computer in algorithmic ... configurations. The algorithm for solving this problem is constructed in such a way that it can be applied ... two double inequalities). The proposed algorithm can be realised by computer in algorithmic ... ~Hcno NB lIyga~HHXII 9KcnepHMeHToB, npH KOTOPb1X HronKa sa,n;ep~Ba eTCH ceTbID, H onpegenHTb TaKHM ... . npH 9TOM npe~nOJlaraeTCH, ~TO npH onpOKH~BaHHH HrOJlKa Be~eT ce6H KaK TBep~oe TeJlO C 3aKpenneHHoH ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 195-222 : Auteur(s): Kizner, Z.I.
-
A simple approach for calculating the potential yield of krill from biomass survey results
Abstract: Estimates are calculated for the parameter λ in the yield equation Y = λ M B0 for a ... values of the ages at maturity and first-capture. Seasonal effects seem to be of lesser importance ...
Meeting Document : WG-KRILL-91/24 : Auteur(s): D.S. Butterworth (South Africa) and M. Basson (United Kingdom)
-
A potential feedback approach to ecosystem-based management: Model Predictive Control of the Antarctic krill fishery
state (direct empirical measurements, which might be used with an assessment model that integrates ... adjustments without needing to be refined itself. In control theory it is also possible to continuously ... ., 2006; Murphy et al., 2012; Hill, 2013a). There might therefore be some advantage in con- sidering this ... must be addressed in their development; and to characterise some of the major trade-offs between ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 119–137 : Auteur(s): Hill, S.L. and M. Cannon
-
e-sc-xxiv-a6.pdf
... contributing factors, estimates of B0 from hydroacoustic data are thought to be most sensitive to the TS model ... currently endorsed by CCAMLR 5. Estimates of the pre-exploitation biomass (B0) of krill in a given area ... uses the estimate of B0 to set a precautionary catch limit for the krill fishery by means of a yield ... ) themselves note, it is not applicable to the Rayleigh scattering regime, meaning that it will only be
application/pdf attached to:SG-ASAM-05
Meeting Report : SG-ASAM-05
-
Sensitivity investigation of the SDWBA Antarctic krill target strength model to fatness, material contrast and orientation
parameters, it is important that the model should be parameterised according to the potential seasonal ... sound within specific frequency ranges. Acoustic estimates of zooplankton abundance can be made ... (TS)) is known. TS of an aquatic organ- ism can either be measured directly (in situ or ex situ) or ... . Exact solutions can be achieved with analytical restrictions but at the cost of a limited range of ... changes in parameters, it is important that the model should be parameterised according to the potential ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 97–122 : Auteur(s): Calise, L. and G. Skaret
-
e-sc-xxxiv-a5.pdf
... consideration be given to additional data analyses that may lead to an understanding of the high level of tag ... parameters and age data, when these are available, and requested that model sensitivities be considered that ... from 2008 was likely to reflect learning behaviour of the fishery and hence may not be an index of ... abundance. However, it also noted that the tag data from 2008 should be retained within the assessment
application/pdf attached to:WG-SAM-15
Meeting Report : WG-SAM-15