Search results
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On assessment of Bertalanffy growth equation parameters and instantaneous natural mortality rate of South Georgia mackerel icefish
Bertalanffy growth equation. Mean value of natural mortality rate was estimated at 0.55. File: 03-Frolkina ... Paper Title: On assessment of Bertalanffy growth equation parameters and instantaneous natural ... mortality rate of South Georgia mackerel icefish Abstract / Description: An analysis and summary of ... extensive published and unpublished data on size-weight and size-age composition of South Georgia mackerel ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 29–36 : Author(s): Frolkina, Zh.A. and R.S. Dorovskikh
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Food and feeding of the mackerel icefish (Champsocephalus gunnari) around South Georgia in January/February 1991
877 stomachs collected at 44 stations. Both the proportion of krill (Euphausia superba) in the ... Paper Title: Food and feeding of the mackerel icefish (Champsocephalus gunnari) around South ... Georgia in January/February 1991 Abstract / Description: The diet composition and feeding intensity of ... final maturation of the gonads. File: 02-Kock-et-al.pdf ... analysed in 3 877 stomachs collected at 44 stations. Both the proportion of krill (Euphausia superba) in ... with the exception of four stations at least 40 individuals per haul. Stomach fullness was estimated ... . Reproductive performance of seabirds and seals at South Georgia and Signy Island, South Orkney Islands, 1976 ... WG-FSA-91/29 FOOD AND FEEDING OF THE MACKEREL ICEFISH ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 15–23 : Author(s): Kock, K.-H., I. Everson, S. Campbell, G. Parkes, Z. Cielniaszek and J. Szlakowski
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Bias in the estimation of krill yield from using a deterministic formulation of the median unexploited spawning biomass
) the median status of the spawning stock at the end of the projection trial (as a proportion of the ... ) whether the stock became critically depleted in that trial and (ii) the status of the stock at the end of ... Paper Title: Bias in the estimation of krill yield from using a deterministic formulation of the ... parameters and abundance of the stock being assessed. CCAMLR currently uses results from the krill yield ... spawning stock at the end of the projection trial (as a proportion of the median pre-exploitation spawning ... depleted in that trial and (ii) the status of the stock at the end of the trial. These values from all ... and (ii) the median status of the spawning stock at the end of the projection trial (as a proportion ... trial and (ii) the status of the stock at the end of the trial. These values from all trials are used ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 1–8 : Author(s): Constable, A.J. and W.K. de la Mare
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Preliminary results of a bottom trawl survey around Elephant Island in October and December 1987
Paper Title: Preliminary results of a bottom trawl survey around Elephant Island in October and ... December 1987 Abstract / Description: A total of 40 bottom trawl hauls was carried out onboard RV ... Chaenocephalus aceratus, Notothenia gibberifrons and N. neglecta at least since February 1985. In N. rossii the ... proportion of larger (= older) fish in the catches increased. Composition of the catches of C. gunnari ... and N. neg/ecta at least since February 1985. In N. rossii the proportion of larger (= older) fish in ... of Bathyraja sp. (most probably B. maccaim) containing embryos close to hatching at 295-426 m depth ... were Harpagifer antarcticus, 2 pelagic fingerlings of N. neglecta (62 and 70 mm total length) at 20 ... WG-FSA-88/31 PRELIMINARY RESULTS OF A BOTTOM TRAWL ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 185-200 : Author(s): Kock, K.-H.
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Sexing of adult Adélie penguins by discriminant analysis of morphometric measurements
population at Stranger Point (King George/25 de Mayo Is., South Shetland Islands). The sex of each bird had ... Paper Title: Sexing of adult Adélie penguins by discriminant analysis of morphometric ... measurements Abstract / Description: Discriminant analysis of eight morphometric measurements was used to ... determine the sex of Adélie penguins. A sample of 46 adult birds was taken for measurement from the breeding ... breeding population at Stranger Point (King George/25 de Mayo Is., South Shetland Islands). The sex of ... studies it would be necessary to know the sex of penguins on their arrival at the breeding colony. A ... of Adelie penguins at Stranger Point (62°14'S, 58°40'W, King George/25 de Mayo Is., South Shetland ... Warham (1975). They were: flipper length of open wing (FL), flipper breadth at the widest point near the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 543–549 : Author(s): Scolaro, J.A., Z.B. Stanganelli, H. Gallelli and D.F. Vergani
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Determination of Antarctic krill acoustic back-scattering cross-section
obtained the dependence of the acoustic section of back-scattering of krill on its length at a frequency of ... Paper Title: Determination of Antarctic krill acoustic back-scattering cross-section Abstract ... / Description: When determining the density krill of concentrations it is necessary to know the acoustic cross ... -section of back-scattering of krill. The target strength can be determined in situ by measuring the echo ... obtained the dependence of the acoustic section of back-scattering of krill on its length at a frequency ... ) established the dependence of acoustic back-scattering on the length : where Lk A aT{ object length ... adrift were measured for dispersed krill at dusk and night time. In all, five series of measurements ... investigators measured the target strength of krill under laboratory conditions (Kalinovski et al 1979). At ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 141-152 : Author(s): Protaschuk, V.A. and T.A. Lukashova
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Guidelines for the preparation of hydroacoustic survey reports on krill
surveys. The unification of echometric survey data is aimed at increasing the effectiveness of research on ... Paper Title: Guidelines for the preparation of hydroacoustic survey reports on krill Abstract ... / Description: The proposed guidelines provide an opportunity to perform comparative analyses and checks of ... results obtained during echometric surveys of fish and krill, and to establish a data bank of these ... echometric survey data is aimed at increasing the effectiveness of research on the· quantitative assessment ... PREPARATION OF HYDROACOUSTIC SURVEY REPORTS ON KRILL I.L.Kalikhman (U.S.S.R.) Abstract The proposed ... guidelines provide an opportunity to perform comparative analyses and checks of results obtained during ... echometric surveys of fish and krill, and to establish a data bank of these surveys. The unification of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 165-193 : Author(s): Kalikhman, I.L.
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Characteristics of krill swarms from Prydz Bay
Paper Title: Characteristics of krill swarms from Prydz Bay Abstract / Description: The ... CCAMLR.AUS dataset available to the Subgroup on Survey Design was derived from a survey of Prydz Bay ... inter-swarm length were calculated for swarms of euphausiids encountered along a 78 km transect over the ... continental shelf close to the CEMP study site at Magnetic Island. The euphausiid species was probably ... at a frequency of 120 kHz using a hull mounted transducer. The echo sounder was fully calibrated ... radius of a predator monitoring site at Magnetic Island, even though they relate to E. crystallorophias ... WG-KRILL-91/7 CHARACTERISTICS OF KRILL SWARMS FROM ... Subgroup on Survey Design was derived from a survey of Prydz Bay, Antarctica, in December 1990. Swarm ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 177–189 : Author(s): Agnew, D.J. and I.R. Higginbottom
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Observation of seabirds in the Southern Ocean in 1988/89
Southern Ocean to the south of 60°S. Thirty minute observations were made daily during daylight hours at 8 ... Paper Title: Observation of seabirds in the Southern Ocean in 1988/89 Abstract / Description ... : This paper examines the numerical and species distribution of birds in the sub-Antarctic area of the ... ports of call. Maps summarize the distribution of 14 bird species as well as of the individual species ... visibility, type of precipitation and ice cover, which have a direct impact on bird behaviour. At the end of ... the observation the maximum number of birds of each species sighted at one time during a particular ... . The number of birds at the ice massif generally did not exceed 10 individuals (between 600 S, 11°W ... observations put their numbers at 50 specimens. A more even distribution of birds was typical for the area ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 521–542 : Author(s): Vagin, A.V. and V.V. Popov
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The Kerguelen database
_ .?-'U,A .3 q 7 /. 72.20 73.10 73.10 + - 42 - Fig. 4 DATE INITIAlE 11 1/&5 10= 31110 nATE FINALE 311 3/A5 ... IIlITlALE IIIU/"~ lu= 313~3 nAl!.FINALE j1/12/R~ 11= 3107. LIHI1ES ET ~AILLAGE OF·LA ZONE 5fLECTJO~NEE ... ! + h5.40 6h .. 3ft 1 1 h 'lATE INITlALE 11 l/Ah IIl= 31 0 15 "7.?('I + .?q .. r::;1J1 ... ~ 2 ? ~ ~ 2 , 1 ... t 1 ?!7 "'1\.1U 1 , , I)ATE FltJJLE 311 3/Rft IT= "15h4 L IMITES ET 'HILLAGE OF LA zonE ~FLEClInm",~ ).LAJ ... and biological data for the Kerguelen EEZ has been operating in France since 1979. At the end of the ... representation of these data is presented for several parameters including a distribution of the fishing effort ... , position of individual trawls, total catches and catch per species. Four species (Champsocephalus gunnari ... , Notothenia squamifrons, N. rossii and Dissostichus eleginoides) represent about 99% of the total catches ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 23-54 : Author(s): Duhamel, G.