Resultados de la búsqueda
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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
significant difference from observed profiles. Simulated glider dives required at least an order of magnitude ... , 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 ...
Meeting Document : WG-EMM-14/P02 : Autor(es): D. Guihen, S. Fielding, E. Murphy, K. Heywood and G. Griffiths
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) - Version 2015 - Part A: General context of the establishment of MPAs and background information on the Weddell Sea MPA planning area-
state of Part A of the document that has been presented at the meeting of the CCAMLR Scientific ... EMM) the background document that provides the scientific basis for the evaluation of a marine ... protected area (MPA) in the Weddell Sea planning area. The contents and structure of the whole document ... reflect its main objectives, i.e. to set out the general context of the establishment of MPAs and to ...
Meeting Document : WG-EMM-15/38 Rev.1 : Autor(es): K. Teschke (Germany) on behalf of the Weddell Sea MPA (WSMPA) project team
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2015 - Part A: General context of the establishment of MPAs and background information on the Weddell Sea MPA planning area
on the current state of Part A that has been presented at the meeting of the CCAMLR Scientific ... justification for the development of a marine protected area (MPA) in the Weddell Sea planning area. In ... documents (Part A-C). SC-CAMLR-XXXIV/BG/15 (Part A) sets out the general context of the establishment of ... the means and the results of the scientific analyses and the development of objectives and priority ...
Meeting Document : SC-CAMLR-XXXIV/BG/15 : Autor(es): Delegation of Germany
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Evaluation of de la Mare’s composite standardised index for generating a simple time-series summary of many long-term datasets on Antarctic predators: consequences of missing values and criteria for inclusion of predator parameters
Abstract: In 1997, de la Mare presented a statistic (labelled the Composite Standardised Index at ... the Workshop on Area 48) to WG-EMM for generating a simple time-series index of many long-term ... datasets on Antarctic predators. The value of the index in a given year is dependent on the specific ... parameters present in that year. In this respect, the robustness of the index is dependent on that subset of ...
Meeting Document : WG-EMM-98/45 : Autor(es): A. Constable (Australia)
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Distribution and possible areas of spatial mixing of two stocks of humpback whales, a krill predator, in the Indo-Pacific region of the Antarctic revealed by genetic analyses
Abstract: The main purpose of this study was to investigate the distribution and areas of mixing ... of two stocks of the humpback whale, a krill predator, in the Indo-Pacific region of the Antarctic ... stocks have shown sign of recovery after heavy commercial exploitation in the last century. Information ... on distribution and areas of mixing in the Antarctic feeding grounds is essential to assist the ...
Meeting Document : WG-EMM-2019/67 : Autor(es): L.A. Pastene, M. Goto, M. Taguchi and K. Matsuoka
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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
already presented at the meetings of EMM and SC-CAMLR in 2015. The Scientific Committee did recognise that ... ) the scientific background and justification for the development of a marine protected area (MPA) in ... general context of the establishment of CCAMLR-MPAs and provides the background information on the Weddell ... -16/03 (Part C) describes the methods and the results of the scientific analyses as well as the ...
Meeting Document : WG-EMM-16/01 : Autor(es): K. Teschke, D. Beaver, M.N. Bester, A. Bombosch, H. Bornemann, A. Brandt, P. Brtnik, C. de Broyer, E. Burkhardt, B. Danis, G. Dieckmann, L. Douglass, H. Flores, D. Gerdes, H.J. Griffiths, J. Gutt, S. Hain, J. Hauck, H. Hellmer, H. Herata, M. Hoppema, E. Isla, K. Jerosch, S. Kaiser, P. Koubbi, K.-H. Kock, R. Krause, G. Kuhn, P. Lemke, A. Liebschner, K. Linse, H. Miller, K. Mintenbeck, U. Nixdorf, H. Pehlke, A. Post, M. Schröder, K.V. Shust, S. Schwegmann, V. Siegel, V. Strass, K. Thomisch, R. Timmermann, P.N. Trathan, A. van de Putte, J. van Franeker, I.C. van Opzeeland, H. von Nordheim and T. Brey
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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 ... taken to be the biomass of mature animals at the start of the growth period. This model will be ... drawn at random from pre-specified distributions for each simulation of a 20-year period of harvesting ... and maturity-at-age functions, these are modelled by a different shape as a function of length ... 0.083 0.051 0.009 Table 2: Median values of the distributions of depletion at the end of the 20-year ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 81–106 : Autor(es): Butterworth, D.S., G.R. Gluckman, R.B. Thomson, S. Chalis, K. Hiramatsu and D.J. Agnew
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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 ... relationships Let ue at first confine to the easiest and most widespread method of e9timating biomass 8 in a ... fields Let us at first assume that field .f (X~~) is an isotropic one~ This ie typical of ... .ii =0) t and at i =J j all values of A ('Zz,j) are practically zero, so from (4) we obtain: (5 ... integral of AT over correlation radius, we obtain out of (1) and (4) : Since estimate of average density ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 213-228 : Autor(es): 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 ... . These databases were then used to compute bathymetric surface areas of seabed at 50 m intervals within ... range of each particular species. Given the significant increases in estimated seafloor at greater ... 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 ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 197–204 : Autor(es): C.D. Jones
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Report of a meeting of the SCAR group of specialists on marine living resources of the Southern Ocean
~ for gene rc.l ci.:Lscussions at. the gov~:rnmenta.l l e vel of problems ·o·r the utiltbzo.tion of the ... hern Ocellr,l i n t he · Unite d S·co.tes in 19"(6. · It f elt th at t he.' mos t us e ful function of ... . In view of the objectives of the meeting~ and the· fact th at a~commodation Cl.t the proposed ... ... _ ' .. . .. REPORT OF A MEETING OF THE SCAR ...
Document : Site Section: The Organisation