Resultados de la búsqueda
-
2006 assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity
% of its average pre-exploitation level in terms of spawning biomass. It is suggested that it would be ... to be taken by pots (which avoid the cetacean predation associated with longlining). Specific issues ... Butterworth (2005) that permitted annual fluctuations about a deterministic stock-recruitment relationship is ... updated to take account of further catch, GLM standardised CPUE and catch-at-length information that has ...
Meeting Document : WG-FSA-06/58 : Autor(es): A. Brandão and D.S. Butterworth (South Africa)
-
Using acoustic echo counting to estimate grenadier abundance in the Ross Sea (SSRU88.1I)
fishery for toothfish in the Ross Sea. Previous studies concluded that acoustics methods could be used to ... index the relative abundance of grenadiers and be useful for exploring spatial distribution. Automated ... . These methods can be applied to large volumes of relatively low quality, opportunistically collected ... at seabed depths of 700–1000 m, and revealed consistent spatial patterns, with higher numbers of ...
Meeting Document : WG-FSA-14/62 : Autor(es): Y. Ladroit, R.L. O’Driscoll and S. Mormede (New Zealand)
-
The Secretariat review of the Strategic Plan, associated activities and outcomes
Abstract: At CCAMLR-XXIX, the Commission recommended that a staffing and salary strategy be ... -EMM with a brief description of the process that has been supported since CCAMLR-XXIX to address these ... included in the review of the Secretariat’s Strategic Plan and that SCAF consider the outcomes of that ... Scientific Committee (SC-CAMLR-XXIX, paragraph 14.2) that a review of the Secretariat’s data management ...
Meeting Document : WG-EMM-11/09 : Autor(es): Secretariat
-
A study of Patagonian toothfish (Dissostichus eleginoides) post tagging survivorship in Subarea 48.3
survivorship. There are indications that survivorship rates may be lower while observers are learning how to ... , and then were kept in tanks with varying degrees of seawater replacement for at least 12 hours after ... tagging. On one vessel fish with a variety of injuries were selected to see if this affected recovery. 395 ... animals were included in the final analysis, with an overall survivorship of 89%. There were significant ...
Meeting Document : WG-FSA-05/19 : Autor(es): D. J. Agnew, J. Moir Clark, P.A. McCarthy, M. Unwin, M. Ward, L. Jones (United Kingdom), G. Breedt, S. Du Plessis, J. Van Heerdon (South Africa) and G. Moreno (Spain)
-
Orientation of Antarctic krill in an aquarium
Abstract: Acoustic methods appear to be the best way to estimate Antarctic krill abundance ... strength (TS) values, since TS varies with body orientation. Krill body orientation was measured in an ... slightly less than that when animals were hovering, 49.7° (SD=7.5°, N=50). Such an acute angle of elevation ... . Although mature females with marked swelling of the cephalothorax were not included in the experiment, the ...
Meeting Document : WG-KRILL-93/24 : Autor(es): Y. Endo (Japan)
-
Assessment models for Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–H for the years 2002–03 to 2012–13
is 266 t. We also recommend that further ageing is carried out by fishing members involved in the ... tagging protocols and data collection. We believe that there is sufficient conflicting information, and ... favour of the tag data as the base case. We therefore recommend that model R4 is used for providing ... management advice. In this model, the initial stock biomass is estimated at 6590 t (95% confidence interval ...
Meeting Document : WG-FSA-13/52 : Autor(es): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
-
Review of Dissostichus spp. fishery in the adjacent seas of three Antarctic sectors in 2003–2010
Russian and South Korean vessels in three Antarctic sectors in 2003-2010, it has been shown that fishery ... from “zero” SSRUs, it follows that current TAC values are underestimated in all studied areas. Correct ... available we suggest that factual stock values of the Antarctic toothfish are considerably underestimated in ... the Pacific (the Ross Sea) and the Indian sectors (the Dumont d039;Urville Sea (SSRU G), the Mawson ...
Meeting Document : WG-FSA-13/14 : Autor(es): A.F. Petrov (Russia)
-
Acoustic estimates of krill biomass in the Elephant Island area: 1981-1993
1981-1993 (with the exception of 1982 and 1986) are presented. Estimates for 1981-1991 are based on ... range from 81 xl03 t (March/April 1985) to 4,880 xl03 t (January 1993) and areal biomass densities range ... xl03 t and 52.8 g/m2. Author(s): D.A. Demer and R.P. Hewitt (USA) Title: Acoustic estimates of krill ...
Meeting Document : WG-KRILL-93/49 : Autor(es): D.A. Demer and R.P. Hewitt (USA)
-
New Zealand’s exploratory fishery for toothfish within the SPRFMO Convention Area: update and future directions
surveys provide information on the life history of Antarctic toothfish that is consistent with the current ... will be shared with CCAMLR and had been used in the stock assessment of Antarctic toothfish in the Ross ... CCAMLR convention area. The key findings are that only Antarctic toothfish, Dissostichus mawsoni, were ... caught, that these were mostly male (~85%), and that most fish were in spawning condition or spent. These ...
Meeting Document : SC-CAMLR-XXXVI/BG/18 : Autor(es): M. Cryer, A. Dunn and J. Fenaughty
-
Proposal for a joint workshop between the Southern Ocean Observing System and the Scientific Committee for the Conservation of Antarctic Marine Living Resources
-CAMLR. SOOS was established in 2011 and has been communicating with the Scientific Committee since that ... collaborations and data discovery. Given the many useful interactions that could be of benefit to both SC-CAMLR ... Abstract: The Southern Ocean Observing System (SOOS) Executive Committee requests that the ... the regional and capability working groups and the development of three tools that facilitate ...
Meeting Document : SC-CAMLR-XXXVI/BG/15 : Autor(es): Submitted by SCOR