Résultats de la recherche
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Results and standing stock biomass estimates of finfish from the 2001 US AMLR bottom trawl survey of the South Shetland Islands (Subarea 48.1)
. rossii have not recovered even after commercial fishing has ceased for 20 years. The overall abundance of ... Islands is discussed. Author(s): C.D. Jones, K.-H. Kock, D. Ramm, J. Ashford, S. Wilhelms, T. Near, N ...
Meeting Document : WG-FSA-01/33 Rev. 1 : Auteur(s): C.D. Jones, K.-H. Kock, D. Ramm, J. Ashford, S. Wilhelms, T. Near, N. Gong and H. Flores
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RECENT TRENDS IN NUMBERS OF FOUR SPECIES OF PENGUINS AT THE PRINCE EDWARD ISLANDS
pairs of king penguins were incubating eggs at Marion Island, the larger of the two islands in the group ... numbers of macaroni and southern rockhopper penguins at Marion Island decreased by about 30% and 70 ... %, respectively. In 2008/09, some 290 000 pairs of macaroni penguins bred at this island, mostly in two large ... penguins at Prince Edward Island. Author(s): R.J.M. Crawford, P.A. Whittington, L. Upfold, P.G. Ryan, S.L ...
Meeting Document : WG-EMM-10/P1 : Auteur(s): R.J.M. Crawford, P.A. Whittington, L. Upfold, P.G. Ryan, S.L. Petersen, B.M. Dyer and J. Cooper
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WG-EMM-PSW-08
2008 to Friday, 20 June 2008 Meeting documents Doc Number Title WG-EMM-PSW-08/01 Agenda for the WG-EMM ... Predator Survey Workshop (Hobart, Australia, 16 to 20 June 2008) WG-EMM-PSW-08/02 List of participants WG ... ESTIMATION OF THE ABUNDANCE OF BREEDING PENGUINS FROM ONE-OFF COUNTS C. Southwell, J. McKinlay, R. Pike, D ... Full Name: WG-EMM Predator Survey Workshop Location: Hobart, Australia Date(s): Monday, 16 June ...
Meeting
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A condensed history and document of the method used by CCAMLR to estimate krill biomass (B0) in 2010
(CCAMLR 1995; 1996; 1997; 1998; 1999). In particular two workshops, one planning (SC-CAMLR-XVIII, Annex 4 ... Abstract: Antarctic krill (Euphausia superba) are considered to be one of the key species in the ... , Appendix D) and one analysis (SC-CAMLR-XIX, Annex 4, Appendix G), provide background and detail to the ... . Author(s): S. Fielding, A. Cossio, M. Cox, C. Reiss, G. Skaret, D. Demer, J. Watkins and X. Zhao Title ...
Meeting Document : WG-EMM-16/38 : Auteur(s): S. Fielding, A. Cossio, M. Cox, C. Reiss, G. Skaret, D. Demer, J. Watkins and X. Zhao
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Results of the Spanish exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2 in the 2013/14 season
year of the multi-year research survey in Divisions 58.4.1 and 58.4.2, the F/V Tronio has returned to ... 58.4.1D and 58.4.1C SSRUs. A prospective estimation of the local biomass (B LOC) of one localized area ... been some Antarctic toothfish recaptured that would allow, in successive years, to estimate the local ... otoliths collection for ageing purposes are also presented. Author(s): R. Sarralde, L.J. López-Abellán and ...
Meeting Document : WG-SAM-14/12 Rev. 1 : Auteur(s): R. Sarralde, L.J. López-Abellán and S. Barreiro (Spain)
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Age-at-length of Patagonian toothfish from the Falkland/Malvinas Islands
crenellations. Two readers undertook one reading each of the sections, estimating age using criteria agreed at ... age data, we estimated total mortality to be Z = 0.27. Author(s): J. Ashford, A. Arkhipkin, C. Jones ... and S. Bobko Title: Age-at-length of Patagonian toothfish from the Falkland/Malvinas Islands Approval ... Abstract: To provide an age-length key for use in modelling the age structure of the Patagonian ...
Meeting Document : WG-FSA-02/74 : Auteur(s): J. Ashford, A. Arkhipkin, C. Jones and S. Bobko
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CPUEs, body length and greenness of Antarctic krill during 1987/88 season in the fishing ground north of Livingston Island
there was a marked change in two kinds of CPUEs, body length and greenness of krill during the fishing ... Livingston Island as the area between 59°30'W and 61°30'W and between 61°30'S and 62°30'S (Figure 1). Two ... 50 40 l- 30 3 o l- ---J: U l- -< U 20 10 o E M JAN L E M FEB L E 10-DAY ... ~ 20 30 48 50 60 e- LATE FE::; ~I= 220'21 I ... :20 30 f-1 [DDLE ~IAF: 210 :::0 U~TE ~IAF: 212) 30 X= 46.0183 SD= 5.23026 ~IA><= 61 I-ml ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 323–338 : Auteur(s): Endo, Y. and T. Ichii
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Decadal trends in the South Georgia demersal fish assemblage
species from two families, the Notoheniidae and the Channichthyidae dominated the survey biomass in all ... biomass were seen across survey years. Species counts were highly variable across the shelf region and ... years accounting for 97% of total demersal fish biomass. The relative abundance of these species was ... demersal fish catch rates was observed with the highest mean CPUE s seen in surveys since 2010 but this was ...
Meeting Document : WG-FSA-13/26 : Auteur(s): M. Belchier (United Kingdom)
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Unhappy feet: the reduction of Adélie and chinstrap penguin populations in the West Antarctic Peninsula/Scotia Sea
chinstrap penguin populations have declined more than 50% during the last 30 years at study colonies in the ... for its revision. Author(s): Submitted by ASOC Title: Unhappy feet: the reduction of Adélie and ...
Meeting Document : CCAMLR-XXX/BG/21 : Auteur(s): Submitted by ASOC
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Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey
), as a function of the fraction of the biomass estimate which is set as the catch for a 20-year period ... pre-exploitation level ( P ) 1992). over a 20-year harvesting period. The resul t s which they ... biomass estimate which is set as the catch for a 20-year period. Three possible fishing seasons are ... drawn at random from pre-specified distributions for each simulation of a 20-year period of harvesting ... ) requested that statistics be provided for a 10- as well as a 20-year period of harvesting. Calculations ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 81–106 : Auteur(s): Butterworth, D.S., G.R. Gluckman, R.B. Thomson, S. Chalis, K. Hiramatsu and D.J. Agnew