Résultats de la recherche
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Problems of population age structure determination of Euphausia superba Dana using an example from the Antarctic Peninsula area and adjacent waters
Paper Title: Problems of population age structure determination of Euphausia superba Dana using ... from earlier literary sources. The paper addresses the question of whether size groups of E. superba ... examines the size structure of populations of E. superba in relation to their habitat, on the basis of an ... analysis of data collected by the author during the 1981 season in the region of the Antarctic Peninsula ... ADJACENT WATERS V.A.Spiridonov (U.S.S.R.) Abstract This paper examines the size structure of ... . The paper addresses the question of whether size groups of E. superba correspond to age groups. It is ... - 227 - SC-CAMLR-V/BG/39 PROBLEMS OF POPULATION AGE ... STRUCTURE DETERMINATION OF EUPHAUSIA SUPERBA DANA USING AN EXAMPLE FROM THE ANTARCTIC PENINSULA AREA AND ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 227-270 : Auteur(s): Spiridonov, V.A.
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Assessment of krill flux factors in waters of South Orkney Islands during summer 1996
Paper Title: Assessment of krill flux factors in waters of South Orkney Islands during summer ... 1996 Abstract / Description: This paper describes the results of an experiment conducted from 19 ... ) was located in the zone of interaction between waters of the Antarctic Circumpolar Current (ACC) and ... in the past. The geostrophic transport of krill across boundaries of the study area was calculated as ... recommended by CCAMLR (SC-CAMLR, 1993). This paper describes the results of that experiment. MATERIAL AND ... ASSESSMENT OF KRZLL FLUX FACTORS IN WATERS OF THE SOUTH ORKNEY ISLANDS DURING SUMMER 1996 S.M. Kasatkina ... , V.N. Shnar, M.I. Polischuk, A.M. Abramov, V.A. Sushin Atlantic Research Institute of Marine Fisheries ... describes the results of an experiment conducted from 19 February to 7 March 1996 to assess krill flux ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 195–204 : Auteur(s): Kasatkina, S.M., V.N. Shnar, M.I. Polischuk, A.M. Abramov and V.A. Sushin
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Areal and seasonal extent of sea-ice cover off the northwestern side of the Antarctic Peninsula: 1979 to 1996
Paper Title: Areal and seasonal extent of sea-ice cover off the northwestern side of the ... Antarctic Peninsula: 1979 to 1996 Abstract / Description: Analysis of seasonal sea-ice cover of an area ... measuring 1.25 x 10 6 km 2 off the northwestern side of the Antarctic Peninsula indicates that there were ... four periods of extensive ice cover during the last 18 years. Variability in seasonal timing, areal ... Ecological Research (LTER) survey grid off the western side of the Antarctic Peninsula. This paper makes ... Stammerjohn and an anonymous reviewer who graciously read an early draft of this paper and offered ... EXTENT OF SEA-ICE COVER OFF THE NORTHWESTERN SIDE OF THE ANTARCTIC PENINSULA: 1979 TO 1996 R.P. Hewitt ... Southwest Fisheries Science Center PO Box 271, La Jolla CA 92038, USA Abstract Analysis of seasonal ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 65–73 : Auteur(s): Hewitt, R
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Bias in the estimation of krill yield from using a deterministic formulation of the median unexploited spawning biomass
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 ... effects of a specified long-term annual yield on (i) the probability of the spawning stock being reduced ... below a set proportion of the median pre-exploitation spawning biomass during a projection trial and (ii ... , requires no correction. This paper examines the effects of the biased estimates of the median pre ... correction is required. This paper examines the implications for estimates of krill yield of using the ... ESTIMATION OF KRILL YIELD FROM USING A DETERMINISTIC FORMULATION OF THE MEDIAN UNEXPLOITED SPAWNING BIOMASS ... . These models are used in order to account for uncertainty in the biological parameters and abundance of ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 1–8 : Auteur(s): Constable, A.J. and W.K. de la Mare
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Analysis of the diet of Champsocephalus gunnari at South Georgia in late summer from 1994 to 1997, Dr Eduardo L. Holmberg surveys
Paper Title: Analysis of the diet of Champsocephalus gunnari at South Georgia in late summer from ... 1994 to 1997, Dr Eduardo L. Holmberg surveys Abstract / Description: The diet composition of the ... was analysed using frequency of occurrence (F%) and dietary coefficient (Q%) methods. Krill (Euphausia ... Georgia and Shag Rocks in the period investigated, except in 1994, when the order of importance of these ... CCAMLR Science, Vol. 5 (1998): 103-123 ANALYSIS OF THE ... DIET OF CHMPSOCEPHALUS GUNNARZ AT SOUTH GEORGIA IN LATE SUMMER FROM 1994 TO 1997, DR E D U R D O L ... 1248,1010 Buenos Aires Argentina Abstract The diet composition of the mackerel icefish (Champsocephalus ... gunnari) caught in CCAMLR Subarea 48.3 in late summer from 1994 to 1997 was analysed using frequency of ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 103–123 : Auteur(s): Barrera-Oro, E., R. Casaux and E. Marschoff
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Seasonal and inter-annual variability in the distribution of Electrona carlsbergi in the southern Polar Front area (the area to the north of South Georgia is used as an example)
Paper Title: Seasonal and inter-annual variability in the distribution of Electrona carlsbergi in ... the southern Polar Front area (the area to the north of South Georgia is used as an example) Abstract ... of South Georgia Is between 49° to 54°S and 25° to 40°W. The area is within the Polar Frontal Zone ... inter-annual variability in distribution, density and biomass of the most abundant species of myctophids ... THE DISTRIBUTION OF ELECTRONA CARLSBERGI IN THE SOUTHERN POLAR FRONT AREA (THE AREA TO THE NORTH OF ... to 1989 VNIRO (USSR) conducted six trawl and acoustic surveys in the area to the north of South ... interannual variability in distribution, density and biomass of the most abundant species of myctophids ... concentrations throughout the year. Results of surveys showed that the distribution and behaviour of E ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 337–367 : Auteur(s): Kozlov, A.N., K.V. Shust and A.V. Zemsky
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Preliminary analyses of data collected during experimental phases of the 1994/95 and 1995/96 Antarctic crab fishing seasons
Paper Title: Preliminary analyses of data collected during experimental phases of the 1994/95 and ... Champion during Phases 1 and 2 of the experimental crab fishery were analysed using generalised additive ... models and depletion estimators. Results from the generalised additive models show that the density of ... fishable Paralomis spinosissima is highest off the northern coast of South Georgia and at depths of about ... the vessel's second season of participation in the fishery began). This paper provides results from ... participated in the Antarctic crab fishery. All of the analyses presented in this paper were conducted on ... PRELIMINARY ANALYSES OF DATA COLLECTED DURING EXPERIMENTAL PHASES OF THE 1994195 AND 1995196 ANTARCTIC CRAB ... Clzainpion during Phases 1 and 2 of the experimental crab fishery were analysed using generalised additive ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 141–159 : Auteur(s): Watters, G
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Analyses of acoustic line-transect data from the waters around South Georgia: estimation of krill (Euphausia superba Dana) – biomass
Paper Title: Analyses of acoustic line-transect data from the waters around South Georgia ... : estimation of krill (Euphausia superba Dana) – biomass Abstract / Description: A large-scale acoustic survey ... of zooplankton stocks in the waters around South Georgia was carried out during November and December ... 1981. The data have been analysed using various definitions of strata. The total biomass in the area of ... WG-KRILL-91/30 ANALYSES OF ACOUSTIC LINE-TRANSECT DATA ... FROM THE WATERS AROUND SOUTH GEORGIA: ESTIMATION OF KRILL (EUPHAUSIA SUPERBA DANA) - BIOMASS E ... . Murphy, I. Everson and A. Murray*· Abstract A large-scale acoustic survey of zooplankton stocks in ... been analysed using various definitions of strata. The total biomass in the area of 155 786 km2 was ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 225–243 : Auteur(s): Murphy, E., I. Everson and A. Murray
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Investigation of bias in the mark–recapture estimate of toothfish population size at South Georgia
Paper Title: Investigation of bias in the mark–recapture estimate of toothfish population size at ... South Georgia Abstract / Description: This paper investigates the influence of mixing of fish, and the ... indicated that the Petersen estimator produced an underestimate of true population size. Although this paper ... uneven distribution of tag placements and recapture effort, on bias in the Petersen estimator of ... Abstract This paper investigates the influence of mixing of fish, and the uneven distribution of tag ... produced an underestimate of true population size. Although this paper does not advocate using the ... of toothfish typically move only 20–30 km each year (Marlow et al., 2003). This paper investigates ... described in this paper does incorpo- rate spatial detail by constructing a spatial model of the South ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 47–63 : Auteur(s): Agnew, D.J., G.P. Kirkwood, J. Pearce and J. Clark
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Results of fish larvae sampling by means of fine-meshed samplers attached to a bottom trawl
Paper Title: Results of fish larvae sampling by means of fine-meshed samplers attached to a ... bottom trawl Abstract / Description: Fine-meshed samplers were attached to the top of a bottom trawl in ... order to provide information on the composition, distribution and abundance of Antarctic fish larvae in ... the near-bottom zone, which is usually not sampled using plankton nets. The efficiency of various ... larvae, but did not have an opportunity to review the draft of this paper and incorporate results of her ... WG-FSA-88/20 RESULTS OF FISH LARVAE SAMPLING BY MEANS ... OF FINE-MESHED SAMPLERS ATTACHED TO A BOTTOM TRAWL W. SI6sarczyk and I. W6jcik Abstract Fine ... -meshed samplers were attached to the top of a bottom trawl in order to provide information on the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 69-86 : Auteur(s): Ślósarczyk, W. and I. Wójcik