Search results

1. Cephalopods and mesoscale oceanography at the Antarctic polar front: satellite tracked predators locate pelagic trophic interactions

   cephalopod stocks in the Antarctic Polar Frontal Zone (PFZ). This is a vast, remote region where large ... monitor foraging at sea in January-March 1994. A foraging area at the PFZ, north of South Georgia, was ... located, an acoustic survey undertaken and a fixed station established where acoustic targets were found ... . A net survey was carried out with a commercial pelagic trawl, a rectangular midwater trawl 25 m2 ...

   Meeting Document : WG-EMM-96/12 : Author(s): Murphy, E.J., Trathan, P.N., White, M.G., Bone, D.G., Hatfield, E.M.C., Rodhouse, P.G., Prince, P.A., Watkins, J.L.

2. Towards developing diagnostics tools for fishery stock assessments

   Abstract:  In this paper, we describe developments towards a set of standard diagnostic principles ... and tools used to characterise assessment models. CCAMLR has yet to develop a set of recommended ... statistical diagnostics tools to support their evaluations. While there are a number of standard visual and ... statistical diagnostics available for integrated assessments, their sufficiency to evaluate if a model is well ...

   Meeting Document : WG-SAM-15/26 : Author(s): P. Ziegler, P. Burch, A. Constable (Australia), C. Darby (United Kingdom), A. Dunn (New Zealand), C. Jones, D. Kinzey (USA), S. Mormede (New Zealand) and D. Welsford (Australia)

3. On the state of Champsocephalus gunnari stock in Subarea 48.3 and methods of its assessment

   2000 showed clearly a necessity to revise the methods of icefish (which is near-bottom and pelagic fish ... species) biomass assessment based on the results of bottom trawl surveys. A question on unreliability of ... ) both during the period of the icefish fishery in 1980s and after its ceasing in 1990s. In all cases, a ... , catch per unit effort (CPUE), and calculations by VPA showed a clear underestimation of the stock (Table ...

   Meeting Document : WG-FSA-00/45 : Author(s): K. Shust, V. Senioukov, P. Gasiukov and A. Kozlov (Russia)

4. Selectivity of standard polish commercial trawl codends on Antarctic fishing grounds

   Abstract:  steelon codends used in commercial fishery, with a nominal mesh size A = 80 mm and A ... = 100 mm, made of double twines with a thickness of 4.2 mm. The studies covered 6 major fish species. 1 ... satisfactory. 2. Scotia Sea icefish, Chaenodraco wilsoni, and Chionodraco rastrospinosus exhibit a lower ... solution to the problem of ensuring selectivity of codends at a sufficiently good level seems possible as a ...

   Meeting Document : SC-CAMLR-VII/BG/11 : Author(s): J. Zaucha (Poland)

5. e-cc-xxiv-a4.pdf

   ... Installation of a wireless network at the CCAMLR Headquarters ..................... 133 Commission meeting ... Item 3 (Finance and Administration) of its Agenda (CCAMLR-XXIV/1, Appendix A) to SCAF. The ... STATEMENTS FOR 2004 3. The Committee noted that a full audit had been carried out on the 2004 Financial ... Committee noted that the Commission had decided in 1994 that a full audit should be performed on average application/pdf attached to:SCAF-05

   Meeting Report : SCAF-05

6. OPTIONS FOR USING UNREPLICATED ECOSYSTEM MONITORING DATA TO DETECT IMPACTS

   . Furthermore, CEMP data cannot be used in a standard environmental impact assessment framework as they lack ... an important challenge. Potential strategies are likely to consist of a method for inferring impacts ... and a schedule of tactical interventions in response to these impacts (e.g. restrictions on fishing ... activity). We discuss a range of inference methods which are tractable using CEMP data. These methods ...

   Meeting Document : WG-EMM-09/26 : Author(s): S. Hill, J. Forcada, P. Trathan and C. Waluda (United Kingdom)

7. About CCAMLR

   , a keystone component of the Antarctic ecosystem and a history of over-exploitation of several other ... not exclude harvesting as long as such harvesting is carried out in a sustainable manner and takes ... an international commission with 27 Members, and a further 10 countries have acceded to the ... Convention. Based on the best available scientific information, the Commission agrees a set of conservation ...

   Page : Site Section: The Organisation

8. Draft Krill Fishery Report

   Abstract:  At WG-EMM 2013 the Working Group agreed that it would be useful to have a consolidated ... summary of information related to the krill fishery in a similar format to the fishery reports that are ... the preparation of a draft krill fishery report for consideration at WG EMM-14 that would be similar ... in content to a finfish Fishery Report. The following compilation of information on the krill fishery ...

   Meeting Document : WG-EMM-14/58 : Author(s): Secretariat

9. THE POWER OF ECOSYSTEM MONITORING

   power) to detect effects that trigger management action. 2. Using data from a long-term ecosystem ... monitoring programme of the predators of Antarctic krill Euphausia superba at South Georgia together with a ... effects of fishing using either the krill population or a combined predator response index was low (20–40 ... % power after 20 years with the probability of a type I error (α) = 0.05). The power increased to >50 ...

   Meeting Document : WG-EMM-08/P11 : Author(s): K. Reid, J.P. Croxall and E.J. Murphy

10. Proposal for an extension to the mark recapture experiment to estimate toothfish population size in Subarea 48.4

    Abstract:  1. So far a total of 929 D. eleginoides have been tagged and released at Subarea 48.4 ... and 25 tagged fish have been recaptured, including 23 during the latest season. 2. A preliminary ... assessment of D. eleginoides stock size in the Northern Area of 48.4 estimates a vulnerable biomass of ... 48.4 in the 2008/09 fishing season so as to allow for a full assessment of D. eleginoides stock size in ...

    Meeting Document : WG-FSA-08/46 : Author(s): J. Roberts and D. J. Agnew (UK)

Pages