Search results
-
Status of the Polish FIBEX acoustic data from the West Atlantic
la prospecci6n polaca FIBEX realizada en el Atlkntico occidental (SC-CAMLR, 1991a). Este an ... to the formula given in BIOMASS (1986): M V B S = ~ O ~ O ~ L - ~ O ~ O ~ A R - S L - V R + 20 log R. + 2aRo ... of transect, AR is the channel width TS = 19.90 log length - 95.7 (BIOMASS, 1986) TS = 34.85 log length ... k r i l l o f d i f f e r e n t s i z e s f o u n d d u r i n g F I B E X is the equivalent beam pattern (-26 dB), and C is (BTOMASS, 1991). an equipment constant (20 dB). MVBS values ... variation which has previously been reported for the area and shown to be important. File: 10trathan ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 125–132 : Author(s): Trathan, P.N., J. Kalinowski and I. Everson
-
Population change in gentoo penguins Pygoscelis papua at South Georgia: potential roles of adult survival, recruitment and deferred breeding
of variations introduced by good and bad years (as classified on the basis of breeding success ... ). There is generally good agreement between observed and predicted breeding populations, except in four years, when ... of these years were associated with reduced availability of krill, one with very cold winter and spring ... in one year, and for part of the differences in two other years, when mortality rates must also have been ...
Meeting Document : WG-CEMP-93/08 : Author(s): J.P. Croxall and P. Rothery (United Kingdom)
-
Distribution and relative abundance of juvenile icefish (Champsocephalus gunnari) from a trawl survey of the South Georgia shelf in June–July 1985
, corresponding to the age of one year (O-group), were used for the calculation of abundance indices ... r. B paifoHax II1en bcpa H CKnOHa, BbIcTyrraKlU\HX 3a rrpeAenbI OXpaH5IeMOH 12 -MHn bHOH 30HbI BOKpyr KmmoH ... yqaCTKH BHYTPH 12-MHJIhHOH 30HbI. * * * * * * * * * * - 58 - DISTRIBUTION AND RELATIVE ABUNDANCE ... m Juvenile Trawl (designed in AtlantNIRO) was employed. This trawl is made of kapron fibre netting with 20 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 55-63 : Author(s): Boronin, V.A., G.P. Zakharov and V.P. Shopov
-
Peculiarities of icefish Champsocephalus gunnari (Channichthyidae) distribution in South Georgia area during the surveys made by STM Atlantida in 2000 and 2002
-age composition of pelagic component may be formed by all size classes. Results of the fishery ... , length-age composition of pelagic component may be formed by all size classes. Results of the fishery ... . The year 2002 was characterized by krill distribution in near-bottom layer, causing icefish presence near ... the year to follow. A need to change the survey season to avoid underestimation of fish biomass related ...
Meeting Document : WG-FSA-03/55 : Author(s): Zh.A. Frolkina, S.M. Kasatkina and N.N. Zhigalova (Russia)
-
Evaluation of Antarctic krill biomass and distribution off the South Orkney Islands 2011-2015
, but the frequencies operated varied between vessels and years. In addition, the survey coverage has varied between ... years in particular due to ice. In order to allow for comparison of distribution and abundance of krill ... near the South Orkneys among years, we here attempt to generate a coherent series of krill density ... estimates from the 5 years of surveys. We follow the CCAMLR protocol for biomass estimation as far ...
Meeting Document : WG-EMM-15/54 : Author(s): G. Skaret, B.A. Krafft, L. Calise (Norway), J. Watkins (UK), R. Pedersen and O.R. Godø (Norway)
-
Start date of the CCAMLR fishing season for Antarctic krill
start at a time of year that is based upon ecological events, rather than upon a date that is convenient ... for management. We review data on the breeding phenology of predators, and use data from the CCAMLR Statistical ... Bulletin (Version 28) to explore whether there are times of year that would reduce the potential ... at a time of year that is based upon ecological events, rather than upon a date that is convenient ...
Meeting Document : WG-EMM-16/16 : Author(s): P. Trathan and S. Hill
-
Conservation Measure Conservation Measure 59/XI (1992)
on 6 November 1992; (iii) age frequency and age/length keys for Notothenia squamifrons and any other ... for the entire two year period shall not exceed 1 150 tonnes, which shall be made up of 715 tonnes on Lena Bank ... and 435 tonnes on Ob Bank. 2. The two year period shall be from 6 November 1992 to the end ... squamifrons will be subject to review at the 1993 annual meetings of the Scientific Committee ...
Conservation Measure : 59/XI (1992)
-
Letter from the Convener
Dear WG-EMM Member, This year ... year’s WG-EMM meeting, topics relating to the krill-centric ecosystem will be categorised into those ... assessment for krill, review CEMP and WG-EMM-STAPP, and consider science and surveys that can be conducted ... last year (SC-CAMLR-XXXII, paragraph 3.15). It recommended four stages in the development ...
Document : Site Section: Meetings
-
A CHARACTERISATION OF THE TOOTHFISH FISHERY IN SUBAREAS 88.1 AND 88.2 FROM 1997–98 TO 2007–08
for eleven years in Subarea 88.1 and for six years in Subarea 88.2. This report summarises the large amount ... of the SSRUs within the two subareas was changed for the 2006 season as part of a 3-year experiment (SC-CAMLR ... are caught in some years (e.g., on the Shelf in 1999 and 2001), these year classes are not seen in large ... numbers in later years in the fishery. So at this stage there is no evidence for strong variation in year ...
Meeting Document : WG-FSA-08/22 : Author(s): M.L. Stevenson, S.M. Hanchet and A. Dunn (New Zealand)
-
A preliminary population status model for the Patagonian toothfish, Dissostichus eleginoides, on the Kerguelen Plateau (Divisions 58.5.1 and 58.5.2) using CASAL
-recruit surveys across the Australian and French EEZ, ageing samples from surveys and the commercial catch ... of age classes across the Plateau are suggested as part of a research program to addressing key ... the Australian and French EEZ, ageing samples from surveys and the commercial catch, and modelling tag ... and demographic data to better understand rates of movement and the distribution and abundance of age classes ...
Meeting Document : WG-SAM-11/20 : Author(s): S.G. Candy (Australia), A. Relot, G. Duhamel (France), D.C. Welsford, A.J. Constable, T.D. Lamb (Australia), P. Pruvost and N. Gasco (France)