Resultados de la búsqueda
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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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): D.C. Welsford, A.J. Constable and G.B. Nowara (Australia)
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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 data used to estimate the abundance of juvenile Dissostichus ... eleginoides in Division 58.5.2 and examines the sensitivity of the assessment of yield to these results ... . Primarily, it is proposed to revise the use of historical survey data by reassigning them to the strata ... established in 2003. In addition, the sensitivity of the estimates of abundance to the latest length-at-age ...
Meeting Document : WG-FSA-SAM-06/15 : Autor(es): D.C. Welsford, A.J. Constable and G.B. Nowara (Australia)
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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
Abstract: Simple relationships expressing dependence of sampling relative error in biomass ... estimate (by means of a survey) on statistical characteristics of fish concentration density field under ... examination and on parameters of survey itself, have been derived with the help of mathematical statistics and ... methods of calculus of probabilities; biomass estimate is determined as a product of average density for ...
Meeting Document : SC-CAMLR-VI/BG/39 : Autor(es): Z.I. Kizner (USSR)
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2016 – Part A: General context of the establishment of MPAs and background information on the Weddell Sea MPA planning area-
Abstract: The Delegation of Germany presents to the Scientific Committee the scientific ... background in support of the development of a marine protected area (MPA) in the Weddell Sea planning area ... separate documents (Part A-C). SC-CAMLR-XXXV/BG/11 (Part A) sets out the general context of the ... establishment of CCAMLR-MPAs and provides the background information on the Weddell Sea MPA (WSMPA) planning ...
Meeting Document : SC-CAMLR-XXXV/BG/11 : Autor(es): Delegation of Germany
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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
Abstract: The results of Butterworth et al. (1992) relating potential krill yield to a pre ... -exploitation survey estimate of kril1 biomass are extended to incorporate most of the amendments specified by ... the Third and Fourth Meetings of Working Group on Krill. The most important of these extensions is ... integration over the ranges of uncertainty for a number of the model parameters. Results are provided for the ...
Meeting Document : WG-KRILL-93/42 : Autor(es): D.S. Butterworth, G.R. Gluckman, R.B. Thomson and S. Chalis (South Africa)