Resultados de la búsqueda
-
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)
-
WG-FSA-SAM-06
Full Name: Subgroup on Assessment Methods Location: Walvis Bay, Namibia Date(s): Monday, 10 ... 58.5.2 using CASAL A. Constable, S. Candy and I. Ball (Australia) WG-FSA-SAM-06/15 Review of the use of ... (Australia) WG-FSA-SAM-06/16 Application of continuous time Markov chains to modelling animal movement ... mark-recapture and catch-age data to estimate fishing and natural mortality for the Patagonian ...
Meeting
-
Chapter 2: Delivering CCAMLR’s Conservation Objective/General Context
its agenda and discuss at regular intervals, for example every 5 years, the extent to which the ... implementation of the Convention. In (2019) The Commission raised the profile of this agenda item so it can be ... Resources (CCAMLR-40, Annex 7). There have been two Symposia (2005, 2015) and two Performance Reviews (2008 ...
Page : Site Section: The Organisation
-
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)
-
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
-
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)
-
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)
-
e-cc-xxv-a6.pdf
... Areas 47, 51 and 57. 216 Dynamics of Number of Days per Trip 0 5 10 15 20 25 30 35 ... -06/6, paragraph 8.7). (ii) Last year WG-FSA had decided that it should assume two alternative ... ’. Such estimates should be prepared and made available to WG-FSA by 1 September each year, i.e. one ... used the two scenarios for the inclusion of IUU catch in some assessments at WG-FSA-05 (see paragraph
application/pdf attached to:JAG
Meeting Report : JAG
-
Age determination of Champsocephalus gunnari Lönnberg, 1905 (Channichthyidae) taken in the South Georgia area in 1990
-26 and 30-34 cm. Only vertebra samples (n =140) were used in age determination. Age groups from 1+ to ... USSR conducted two research cruises using the vessels RV Hill Cove and RV Akademik Knipovich to study ... 9+ were present in catches. Two peaks in size composition correspond with fish of the 1987 and 1985 ... Paper Title: Age determination of Champsocephalus gunnari Lönnberg, 1905 (Channichthyidae) taken ... WG-FSA-90/33 AGE DETERMINATION OF CHAMPSOCEPHALUS ... =140) were used in age determination. Age groups from 1 + to 9+ were present in catches. Two peaks in ... Knipovich). Two fish age-reading structures (otoliths and vertebrae), to be used in determining the age ... . Yearly growth marks in vertebrae preparations for the age groups observed usually appear as two dark ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 285–293 : Autor(es): Kochkin, P.N.
-
e-cc-xxvi-a5.pdf
... 20, in support of two surveillance operations conducted by New Zealand in January 2007. No requests ... and added the following two new items: ‘Advice from the Scientific Committee’ and ‘Election of Vice ... System of Inspection and raised their concern regarding these incidents and expressed the view that ... listing any gillnet vessels sighted by South Africa during the 2006/07 season (CCAMLR-XXVI/BG/30). 2.24
application/pdf attached to:SCIC-07
Meeting Report : SCIC-07