Resultados de la búsqueda
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Diet and trophic niche of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea, Antarctica
demonstrated. Silverfish trophic level was 3.5 (larval/post-larval fish) and 4.0 (fish aged 3+). Author(s ... stomach contents of specimens collected in the Ross Sea (71°–77°S, 165°E–180°) in January–March 2008 ... -larval silverfish (standard length, SL<90 mm) consumed exclusively copepods. Large adult silverfish ...
Meeting Document : WG-EMM-12/54 : Autor(es): M.H. Pinkerton, J. Forman, S.J. Bury, J. Brown, P. Horn and R.L. O’Driscoll (New Zealand)
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Preliminary proposal for designation an Antarctic Specially Protected Area in the Argentine Islands Archipelago and nearby Graham Coast Antarctic Peninsula region
areas are provided during many years. There are three main elements are planned to include into the ... -lapse cameras according the CEMP project 'Establishing a CEMP Camera Network in Subarea 48.1' ... component could serve as one of the scientific reference areas of the broad-scale MPA in Domain 1 (Antarctic ... distribution (in accordance with the point 2 (iii) of the CM 91-04). Author(s): Delegation of Ukraine Title ...
Meeting Document : SC-CAMLR-38/BG/21 Rev. 1 : Autor(es): Delegation of Ukraine
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Annual report from SCAR to CCAMLR
between the two organizations. Author(s): Submitted by SCAR Title: Annual report from SCAR to CCAMLR ... that are of potential interest to CCAMLR, with a focus on new activities. The book on Antarctic Climate ... Secretariat hosted in Australia. Two new potential Scientific Research Programmes of relevance to CCAMLR ...
Meeting Document : CCAMLR-XXIX/BG/15 : Autor(es): Submitted by SCAR
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A method for estimating recruitment and mortality from time series of length-density data
-likelihood function based on one or more cohorts for which their abundance has been estimated in two or more ... years. A worked example is provided in an appendix. Author(s): A. Constable and I. Ball (Australia ... method for jointly estimating natural mortality and cohort strength at age 4 using a negative log ...
Meeting Document : WG-FSA-00/52 : Autor(es): A. Constable and I. Ball (Australia)
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Results of a research survey to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea, February 2012
. The survey had two main objectives: (i) To establish the feasibility of developing a time series of ... survey had an overall c.v. of 9%, which met the target c.v. of 10%. The survey caught mainly 70–110 cm TL ... San Aotea II and its sister ship Janas in earlier years of the fishery. The results of a standardized ... over the past decade. Author(s): S.M. Hanchet, S. Mormede, A. Dunn (New Zealand) and H.-S. Jo ...
Meeting Document : WG-SAM-12/29 : Autor(es): S.M. Hanchet, S. Mormede, A. Dunn (New Zealand) and H.-S. Jo (Republic of Korea)
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Report on the status of wandering, black-browed and grey-headed albatrosses at South Georgia
conducted in the mid 1980s, numbers of these two species appear to have decreased by 26% and 14 ... by ground counts, indicate more rapid declines: 4.0% p.a. from 1989/90-2003/04 for black-browed ... trends at South Georgia. The decline in wandering albatrosses is even more pronounced: 30% (1.8% p.a ... -term viability of the breeding populations of these species of albatrosses at South Georgia. Author(s ...
Meeting Document : WG-FSA-04/71 : Autor(es): S. Poncet (United Kingdom),G. Robertson (Australia), R. Phillips (United Kingdom), K. Lawton (Australia), B. Phalan, J. Croxall and P. Trathan (United Kingdom)
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Results of the tagging experiment for (D. eleginoides) in Subarea 48.4, 2007 update
may need to be extended for a few more years. Author(s): J. Roberts and D.J. Agnew (United Kingdom ... Abstract: 1. During the 2006/07 fishing season one UK and one New Zealand vessel fished in ... distributions of abundance around the fishing area. There were two tag recaptures in 2007, both of D ... in catching and tagging the anticipated number of toothfish each year, the experiment and CM 41-03 ...
Meeting Document : WG-FSA-07/32 : Autor(es): J. Roberts and D.J. Agnew (United Kingdom)
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Marine debris and fishing gear associated with seabirds at Bird Island, South Georgia, 1996/97
albatrosses (three items), grey-headed albatrosses (one item) and white-chinned petrels (two items). Fishing ... found next to nests, six in squid pellets and one internally lodged in an adult) and adult regurgitates ... fishing gear associated with black-browed and grey-headed albatrosses are similar to previous years but ... concern. Author(s): Delegation of the United Kingdom Title: Marine debris and fishing gear associated ...
Meeting Document : SC-CAMLR-XVI/BG/05 : Autor(es): Delegation of the United Kingdom
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Validation of age determination in Notothenia coriiceps, by means of a tag-recapture experiment at potter cover, South Shetland Islands
Shetland Islands, in successive years from 1989 to 1992, 9 were recaptured at the same site after periods ... after the period of liberty. In scales of those specimens recovered after 11-13 months, one extra ... annulus was laid down. The same analysis in one individual recovered after 21 months resulted in 2 extra ... closely spaced sclerites zones, which corresponded with an elapse of two winter seasons. The comparative ...
Meeting Document : WG-FSA-94/12 : Autor(es): E.R. Barrera-Oro and R.J. Casaux (Argentina)
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Estimates of the tag loss rates for single and double tagged toothfish (Dissostichus mawsoni) fishery in the Ross Sea
tagged fish having at least one tag remaining after one year at liberty; 98.9% after two years at liberty ... ; declining to 94.6% after six years; and to 88.4% after ten years. Comparison of the different loss rate ... periods of up to six years at liberty. The loss rate for double tags had been incorrectly derived and ... -estimated for double tagged fish in the first four years and under-estimated after that. However, the tag ...
Meeting Document : WG-SAM-11/18 : Autor(es): A. Dunn, M.H. Smith (New Zealand), D.J. Agnew (UK) and S. Mormede (New Zealand)