Search results
-
DNA barcoding highlights a cryptic species of grenadier (genus Macrourus) in the Southern Ocean
body colour, and 2 or more rows of finer teeth, that corresponded with the DNA haplotypes. The COI ... Abstract: The genus Macrourus is a small group of bentho-pelagic fishes with three species ... barcoding revealed low intra-species (0.0-0.002) and inter-species (0.006-0.020) sequence divergences, with ... same Ross Sea region specimens classified individuals into two groups: one with 9 pelvic fin rays, pale ...
Meeting Document : WG-FSA-10/33 : Author(s): P.J. Smith (New Zealand), D. Steinke (Canada), P.J. McMillan, A.L. Stewart, S.M. McVeagh (New Zealand), J.M. Diaz De Astarloa (Argentina), D. Welsford and R.D Ward (Australia)
-
Report on the status of wandering, black-browed and grey-headed albatrosses at South Georgia
methods used in the 1980s, it is likely that the Bird Island figures are more indicative of the population ... year. Unless these long-term declines can be halted or reversed, there must be some doubt over the long ...
Meeting Document : WG-FSA-04/71 : Author(s): S. Poncet (United Kingdom),G. Robertson (Australia), R. Phillips (United Kingdom), K. Lawton (Australia), B. Phalan, J. Croxall and P. Trathan (United Kingdom)
-
Proposal for continuation of Australia’s research plan for exploratory fishing for toothfish (Dissostichus spp.) in East Antarctica (Divisions 58.4.1 and 58.4.2)
rules remain to be determined for these Divisions. The 2015/16 season was the first of a three-year ... in the 2016/17 season. Ongoing standardised longline fishing, in conjunction with fish biological ... measurements, tagging and aging, will be used to develop a stock assessment/s for Divisions 58.4.1 and 58.4.2 ...
Meeting Document : WG-SAM-16/09 : Author(s): Delegation of Australia
-
Conservation Measure Conservation Measure 188/XVIII (1999)
of this exploratory longline fishery, the 1999/2000 fishing season is defined as the period from 1 May to 31 August ... /2000 fishing season is defined as the period from 1 May to 31 August 2000. 4. The exploratory longline ... 1 May to 31 August 2000. 4. The exploratory longline fishery for the above species shall be carried out ...
Conservation Measure : 188/XVIII (1999)
-
PRELIMINARY RESULTS OF TRIALS TESTING MODIFIED LONGLINE GEAR ‘TROTLINES’ IN PRESENCE OF CETACEANS IN SUBAREA 48.3
composition on Spanish system longlines with those on ‘trotlines’ fitted with cetacean exclusion devices ... cetaceans were present. This difference increased with increasing abundance of cetaceans highlighting the ... trotlines fitted with cachalotera nets were dead or suffered life-threatening injuries. Toothfish were also ... in much poorer condition to the extent that they were unsuitable for tagging and releasing. 5 ...
Meeting Document : WG-FSA-08/44 : Author(s): R.E. Mitchell, J. Clark, P. Reyes, L. Jones, J. Pearce, C.E. Edwards and D. Agnew (UK)
-
Fishery Report: Champsocephalus gunnari Heard Island (Division 58.5.2)
2 1 150 1 136 2001/02 2 885 865 2002/03 2 2 980 2 345 2003/04 2 292 78 2004/05 2 1 864 1 851 2005/06 ... 58.5.2 2 -60 -50 -40 -30 -20 -10 1996/97 1997/98 1998/99 1999/00 2000/01 2001/02 2002/03 2003/04 ... 2000/01 1 150 0 80 0 50 0 50 0 50 2001/02 3 150 0 80 0 50 1 50 0 50 2002/03 21 150 0 80 0 465 20 120 ... , Annex 5, paragraph 5.211). 30. Research is currently being undertaken by Australia to develop ...
Document : Site Section: Publications
-
A re-analysis of the Kerguelen Shelf and Skiff Bank stocks of Champsocephalus gunnari
survey in 1988 by the USSR. This biomass is consistent with that from previous cohorts and indicates a ... for the Age 2 Kerguelen Shelf stock, an order of magnitude lower than that calculated from a biomass ...
Meeting Document : WG-FSA-90/17 : Author(s): G. Duhamel (France) and D.J. Agnew (Secretariat)
-
Revised estimates of the area of the South Georgia and Shag Rocks shelf (CCAMLR Subarea 48.3)
should be used for future assessments and for assisting with the stratification of surveys. File ... strata. The new dataset is considered the most accurate and reliable currently available and should be ... used for future assessments and for assisting with the stratification of surveys. Résumé Un nouveau ... known to be unreliable, particularly for the areas to the south of South Georgia, as they rely on ... limited sounding data, with some dating from the 1920s. Updated estimates of the sea floor in Subarea ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 167–175 : Author(s): Belchier, M. and P. Fretwell
-
Trends in mean lengths and selectivities for Dissostichus eleginoides taken by longliners in Subarea 48.3
seasons but with no consistent overall trend. The analysis also suggested that the exploitable population ... also that this trend was halted in 2000. A GLM analysis of these data shows that both area and depth ... 1997-1999. The overall picture that emerges is one of variable mean lengths, both within and between ... length distribution. Separately, it is known that the effort distribution is also highly heterogeneous ...
Meeting Document : WG-FSA-01/48 : Author(s): G.P. Kirkwood and D.J. Agnew (United Kingdom)
-
Remarks on the natural mortality of Dissostichus eleginoides in Subarea 48.3
3Ha1HUeJlbHbIX pa3HlUJ. B BeJlHlIHHaX M, 0l.J.eHeHHbIX no rJly6HHe J10Ba H THny KprollKa npH Pa3J1HlIHbIX ... napaMeTpax pOCTa, HO HMeJlHCb pa3HHl.J.bI B BeJlHlIHHaX M Me)l{,l{y npOMbICJlOBbIMH YllaCTKaMH. C ,l{pyroH ... CTOPOHbI, cpaBHHBa51 Pa3J1HlIHbIe Cpe,l{HHe BeJlHlIHHbI M ,l(J151 Pa3J1HlIHbIX cHTyal.J.HH Ha6J1IO ... KprollKaMH N~ 14 H np5lMbIMH KprollKaMH N~ 22. 06Il(a51 Cpe,l(H5I5I BeJlHlIHHa M ,l(J151 44 ... : fishing site, fishing depth and hook type. It was determined that there were no significant differences in ... M estimated by fishing depth and hook type with different growth parameters although there were ... different cases, it was found that there were significant differences between fishing sites and between ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 21–30 : Author(s): Moreno, C.A. and P.S. Rubilar