Résultats de la recherche
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e-cc-xxv.pdf
... numbers over the past 20 to 30 years and that winter sea-ice conditions had opposite effects on these two ... Committee activities ............................................................ 20 Reorganisation of the ... Compliance evaluation procedure......................................................... 30 CATCH ... ............................................... 77 IMPLEMENTATION OF THE OBJECTIVES OF THE CONVENTION ............... 80 ELECTION OF CHAIR AND
application/pdf attached to:CCAMLR-XXV
Meeting Report : CCAMLR-XXV
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Can we use discriminant function analysis to sex penguins prior to calculating an index of a morphometric parameter?
sex of individuals, it is only able to correctly sex a certain proportion of birds. Two overlapping ... functions are able to correctly determine the sex of birds with greater than 80% success the difference ... knowledge about the sex ratio between years makes combining the data a very doubtful procedure and use of a ... discriminant function to determine sex is recommended as being most practically robust. Author(s): D.J. Agnew ...
Meeting Document : WG-CEMP-92/11 : Auteur(s): D.J. Agnew (Secretariat)
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Cruise Report – Research Project: Demersal finfish distribution, abundance, and their biological characteristics in Statistical Subareas 48.1 (northern area) and 48.2
coordinates as those on previous R/V 039; Polarstern 039; surveys around Elephant Island (Kock & Jones ... the R/V 039; Yuzhmorgeologiya 039; (Jones & Kock, 2009). The cruise took place 6-27 January ... , 2018, primarily using a Hardbottom Snapper trawl (NET Systems, Inc.), previously used by the US AMLR ... marks registered in the echo sounders. One of the mid-water hauls identified a shoal of icefish (33.6 t ...
Meeting Document : WG-SAM-18/25 : Auteur(s): Delegation of Chile
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Fishery Report: Dissostichus eleginoides South Georgia (Subarea 48.3)
extension (26–30 April). One vessel caught two seabirds. The average catch is therefore 0.4 birds per ... total of three seabirds is caught during the two extension periods in any one season, fishing shall ... April). One vessel caught two birds. The average catch is therefore 0.4 birds per vessel. The ... (South Georgia) 56 S 52 30' S 33 30' W SGSR stock area 2000m 1000m shagW shag NWgeorgia ...
Document : Site Section: Publications
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Catch and effort data for the longline fishery in Subarea 48.3 – comparison of data reported to CCAMLR and data acquired by the UK between 1994 and 1996
around South Georgia were compared with data reported to CCAMLR and held in CCAMLR039;s longline ... to be missing from the CCAMLR database. One instance was identified of multiple hauls being submitted ... the two datasets, with many of the records for individual fields being identical. The number of ... in reporting bycatch and incidental mortality of birds. Author(s): Parkes, G.B., Pearce, J., Agnew ...
Meeting Document : WG-FSA-97/37 : Auteur(s): Parkes, G.B., Pearce, J., Agnew, D.J.
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Fishery Report: Exploratory fishery for Dissostichus spp. in Subarea 48.6
per vessel during daytime setting. Carry forward Observers At least two (2) scientific observers, one ... tonnes north of 60°S and 200 tonnes south of 60°S. Carry forward Season 1 December to 30 November ... using longlines only, and no more than one vessel per country was permitted to fish at any one time ... species were defined in Conservation Measure 33-03. The fishing season was from 1 December 2007 to 30 ...
Document : Site Section: Publications
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Significant conservation benefits obtained from the use of a new fishing gear in the Chilean Patagonian toothfish fishery
~70–74 cm Ø~30 cm Ø~10–15 cm ~100–120 cm Hooks Snoods ~20 cm ~15 cm ~25 cm Weight 4–8 kg ... catch damage was two-fold less with the use of the new system (Figure 3). One important observation ... why the Chilean fishery authorities began to implement the NPOA- Seabirds. Two years after the ... . 80 introduction The interaction between killer whales (Orcinus orca) and longline vessels is a ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 79–91 : Auteur(s): Moreno, C.A., R. Castro, L.J. Mújica and P. Reyes
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A simulation study of the method of deriving natural mortality rate using data for Champsocephalus gunnari in Subarea 48.3
greater than zero if the assumed value is greater than the “true” one. File: 04-Gasyukov-and ... and is close in its shape to normal distribution of the values close to the "ideal" one. Two ... standardised effort. Year Total catch Effort 80/81 29464 14142 81/82 47454 7182 82/83 131576 20420 83/84 ... , -0.030] : -0.062 -0.047 [-0.177 ; 0.009] 80 , 60 ~il=:1,0 40 20 i I - 0,4 -0,3 - 0,2 - 0,1 ... annual fishing mortality Fay, and abundance Na,y rates by age and fishing year, where terminal fishing ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 69–83 : Auteur(s): Gasyukov, P.S. and R.S. Dorovskikh
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Interannual variability in Antarctic krill (Euphausia superba) density at South Georgia, Southern Ocean: 1997 – 2013
. Hence, only the densest krill swarms detected in any one year drove the mean krill density estimates for ... the WCB in that year. WCB krill density (µ, mean density for the area) showed several years (1997-8 ... , 2001-2003, 2005-2007) of high values (µ > 30 g m-2) interspersed with years (1999-2000, 2004, 2009 ... estimates for a 17 year time series of acoustic surveys of the Western Core Box at South Georgia. Krill ...
Meeting Document : WG-EMM-14/P04 : Auteur(s): S. Fielding, J. Watkins, P. Trathan et al.
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ABUNDANCE AND BIOLOGICAL INFORMATION ON TOOTHFISH IN DIVISION 58.4.4a & b BY SHINSEI MARU NO. 3 IN 2007/08 SEASON
, Shinsei Maru No. 3, from July 23 to September 27, 2008. The survey was undertaken in two Phases (Phase 1 ... % in numerical number and 90-96 % in weight to the total samples in SSRUs. Mean CPUE of toothfish in ... . Using a grid-based (10-minute latitude x 20-minute longitude) standard stratification method, mean CPUE ... this survey suggest the recovery of the stock since 2000/01. Author(s): K. Taki, T. Ichii, M. Kiyota ...
Meeting Document : WG-SAM-09/10 : Auteur(s): K. Taki, T. Ichii, M. Kiyota and S. Kawahara (Japan)