Résultats de la recherche
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Soumission de documents aux réunions du Comité scientifique
soumis à ces groupes dans les délais les concernant (voir Submission of papers to meetings of the Working ...
Page : Site Section: Meetings
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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
Paper Title: 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 Abstract / Description: Butterworth ... et al. (1992) put forward an extension of the harvesting model of Beddington and Cooke (1983) to ... relate potential krill yield to a pre-exploitation survey estimate of krill biomass. In this paper, the ... / l2 to 5/12), while the pre-exploitation biomass survey is assumed to take place in the middle of ... middle of the growth season their mass-at-age (E,) is thus: For model 1, the spawning biomass of krill ... . and for model 2: The survey estimate of biomass is made in the middle of the growth season (i.e. mid ... sum of the increase in biomass, the catch made by the fishery, and the loss to natural predators ...
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
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Growth and age/length structure of populations of Notothenia (Lepidonotothen) squamifrons (Nototheniidae) in various areas of the Indian sector of the Southern Ocean
Paper Title: Growth and age/length structure of populations of Notothenia (Lepidonotothen ... ) squamifrons (Nototheniidae) in various areas of the Indian sector of the Southern Ocean Abstract / Description ... : Age, growth and age/length composition of populations of grey rockcod (Notothenia (Lepidonotothen ... ) squamifrons), inhabiting areas of the Ob and Lena Banks and the Kerguelen Island Shelf, are presented in this ... (1969 to 1972), and during the period reflecting the current state of the exploited population (1980 to ... Islands. The age of these fish varied from 1 to 15 years. In the first years of the fishery (1969 to 1972 ... WG-FSA-89/16 GROWTH AND AGE/LENGTH STRUCTURE OF ... POPULATIONS OF NOTOTHENIA (LEPIDONOTOTHEN) SQUAMIFRONS (NOTOTHENIIDAE) IN VARIOUS AREAS OF THE INDIAN SECTOR ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 123–139 : Auteur(s): Zaitsev, A.K.
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The error of the biomass estimate as a function of survey parameters and the statistics of a density field of krill aggregations
Paper Title: The error of the biomass estimate as a function of survey parameters and the ... statistics of a density field of krill aggregations Abstract / Description: Simple relationships expressing ... the dependence of relative sampling error in a biomass estimate (from a survey) on the statistical ... characteristics of the fish concentration density field and on parameters of the survey itself, have been derived ... . 1962. Cal~ulus of pro~abilitie8. State pub- lishing house of physics and mathematics lite- rature ... - 213 - SC-CAMLR-VI/BG/39 THE ERROR OF THE BIOMASS ... ESTIMATE AS A FUNCTION OF SURVEY PARAMETERS AND THE STATISTICS OF A DENSITY FIELD OF KRILL AGGREGATIONS ... Z.I. Kizner (USSR) Abstract Simple relationships expressing the dependence of relative sampling ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 213-228 : Auteur(s): Kizner, Z.I.
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Revised estimates of seabed areas within the 500 m isobath of the South Orkney Islands (subarea 48.2) and consequences for standing stock biomass estimates of nine species of finfish
Paper Title: Revised estimates of seabed areas within the 500 m isobath of the South Orkney ... Islands (subarea 48.2) and consequences for standing stock biomass estimates of nine species of finfish ... Abstract / Description: A revised bathymetric map of the South Orkney Islands (Subarea 48.2) was generated ... , areas of seabed within the 500 m isobath (i.e. 0-500 m) were computed for 50 m depth intervals. Areas ... REVISED ESTIMATES OF SEABED AREAS WITHIN THE 500 M ISOBATH OF THE SOUTH ORKNEY ISLANDS (SUBAREA 48.2) AND ... CONSEQUENCES FOR STANDING STOCK BIOMASS ESTIMATES OF NINE SPECIES OF FINFISH C.D. Jones National Oceanic ... Resources Program PO Box 271, La Jolla, Ca. 92038, USA Abstract A revised bathymetric map of the South ... longitude. From the integrated datasets, areas of seabed within the 500 m isobath (i.e. 0-500 m) were ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 197–204 : Auteur(s): C.D. Jones
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Estimating the biodiversity of the sub-Antarctic Indian part for the ecoregionalisation of CCAMLR areas 58.5.1 and 58.6: Part II. foraging habitats of top predators from French Antarctic Territories – areas of ecological significance in the Southern Ocean
-ICCAT, South East Atlantic Fisheries Organization-SEAFO) suggesting the importance of collaboration for ... Abstract: Preliminary analysis of long term dataset on individual tracking of 19 species of ... identify area of importance for conservation in the Southern Ocean. The preliminary results on locations ... data show that top predators are largely distributed on the southern part of the Indian Ocean from the ...
Meeting Document : WS-MPA-11/08 : Auteur(s): K. Delord, C. Bost, C. Guinet and H. Weimerskirch (France)
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An assessment of the use of ocean gliders to undertake acoustic measurements of zooplankton: the distribution and density of Antarctic krill in the Weddell Sea
, in separate survey boxes on the continental shelf to the east of the Antarctic Peninsula, to assess ... the distribution of Antarctic krill (Euphausia superba). During the glider missions, a research vessel ... analysis of glider pitch and roll indicated that, if not taken into account, glider orientation can impact ... around a depth of 60 m. Monte Carlo simulation of glider subsampling of ship-borne data showed no ...
Meeting Document : WG-EMM-14/P02 : Auteur(s): D. Guihen, S. Fielding, E. Murphy, K. Heywood and G. Griffiths
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A description of fishing gear and procedures of setting and hauling of trot and Spanish system for toothfish in a scientific research plan in the Division 58.4.1 of Insung No. 3
SSRU 58.4.1. We will also explain the description of fishing gear and procedures of setting and hauling ... of Trot and Spanish system. ... fishing gears of Trot line *Depending on sea-ice conditions (for preventing the loss of ... ~50EA *Depending on sea-ice condition(for preventing the loss of fishing gear), either plastic float ... identification marks *Depending on sea-ice conditions (for preventing the loss of fishing gear), either ... A DESCRIPTION OF FISHING GEAR AND PROCEDURES OF ...
Document : Site Section: Publications
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Breeding numbers and success of Eudyptes penguins at Marion Island, and the influence of mass and time of arrival of adults
Paper Title: Breeding numbers and success of Eudyptes penguins at Marion Island, and the ... influence of mass and time of arrival of adults Abstract / Description: At sub-Antarctic Marion Island ... , there was substantial correlation in the numbers of adults breeding at study colonies of macaroni ... filholi) over 22 years, suggesting that overwintering conditions may influence the proportions of birds ... rockhopper penguins. When food is scarce, chicks of low mass are more likely to die than when food is ... BREEDING NUMBERS AND SUCCESS OF EUDYPTES PENGUINS AT MARION ISLAND, AND THE INFLUENCE OF MASS AND TIME OF ... ARRIVAL OF ADULTS R.J.M. Crawford and B.M. Dyer Marine and Coastal Management Department of ... L.G. Underhill Avian Demography Unit Department of Statistical Sciences University of Cape Town ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 175–190 : Auteur(s): Crawford, R.J.M., B.M. Dyer, J. Cooper and L.G. Underhill
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Review of the use of survey data and length-at-age models in the assessment of Dissostichus eleginoides in the vicinity of Heard Island and McDonald Islands (Division 58.5.2)
Abstract: This paper reviews the allocation of historical survey data to the new strata and the ... implications of this review to estimating the abundance of juvenile fish using CMIX. In addition, the paper ... could affect the estimates of juvenile abundance. Model estimates were best incorporating the ... reassignment of hauls and the latest estimates of length at age, but quality of model fit and estimates of ...
Meeting Document : WG-FSA-06/44 Rev. 1 : Auteur(s): D.C. Welsford, A.J. Constable and G.B. Nowara (Australia)