Résultats de la recherche

1. Beyond MSY: a consideration of definitions of management objectives

   / Description:  The concept of ‘Maximum Sustainable Yield’ (MSY) has provided a useful guideline for resource ... management under the assumptions of a simple population model and simple objectives. This paper explores ... different guidelines under more realistic population models, taking account of the objectives set out in ... Article II of the CCAMLR Convention. The criteria will depend on whether the main concern is with ... , because there is no longer a simple one to one relation between the amount of fishing and population ... particular objectives. The general uncertainties surrounding the other Antarctic stocks are certainly no ... decision tree. 1. Is the spawning stock below the safety level? Yes; close the fishery. No; go to 2 ... . 2. Is the value of F in the next season likely to reach the target F if no measures are applied ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 299-322 : Auteur(s): Gulland, J.A.

2. Working group document submission form

   Document Submission Form. This form will be used as the cover page for the submitted document. If a working ... group paper is also to be considered for publication in CCAMLR Science, this should be indicated on the ... form. By indicating that the paper is to be considered for publication in CCAMLR Science, the authors ... have agreed that the paper can be considered by the Editorial Board of the journal and that, if the ... be completed by the Secretariat: Document No.: Date submitted: Original Language ... : To be completed by the author: Meeting: Agenda Item No(s): Title Author(s ... publication in CCAMLR Science?1 Yes No 1 By indicating that the paper is to be considered for ... publication elsewhere? Yes No If published or in press, give details: To be considered for ...

   Document : Site Section: Meetings

3. Whale depredation – Data collection guidelines

   around the world, including many toothfish fisheries in the Southern Ocean, are seriously affected by ... ”, causing losses of tens of millions dollars to the fishing industry annually (Tixier et al. 2010). s ... . Depredation can also have negative impacts on the conservation of recovering marine mammal populations as a ... artificial food provisioning. Finally, depredation can affect the management of fisheries and the fish stock ... conditions and no odontocete spotted at any time during the entire haul. “Not observed” is used either ... ............................................................................................... 24 Number of pictures and distance to the subject ... ...................................................................................................... 31 Prioritizing effort on the tail flukes ... fisheries operating around the world, including many toothfish fisheries in the Southern Ocean, are ...

   Document : Site Section: Science

4. Note on estimating krill abundance from acoustic data on individual aggregations

   Abstract / Description:  The fundamental equations and assumptions underlying estimation of krill abundance ... using echo-integration information and aggregation parameters are briefly described. The chief ... differences of the two approaches are highlighted. It is concluded that the echo-integration approach is ... superior for the estimation of regional krill abundance and its variance since it is easier to apply ... ) involves the handling of much smaller volumes of data; (c) requires no assumptions regarding aggregation ... ACOUSTIC DATA ON INDIVIDUAL AGGREGATIONS I. Hampton and D.G.M. Miller* Abstract The fundamental ... aggregation parameters are briefly described. The chief differences of the two approaches are highlighted ... . It is concluded that the echo-integration approach is superior for the estimation of regional kriU ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 219–223 : Auteur(s): Hampton, I. and D.G.M. Miller

5. e-sc-38-a6.pdf

   ... during mesh penetration (Krag et al., 2014)). This indicated no overlap between L50 and the krill length ... whether other sources of information, for example from CEMP sites, supported the findings of an ... e-sc-38-a6.pdf Annex 6 Report of the ... Meeting of the Subgroup on Acoustic Survey and Analysis Methods (Bergen, Norway, 26 to 30 August 2019 application/pdf attached to:SG-ASAM-2019

   Meeting Report : SG-ASAM-2019

6. Seal mitigation measures on trawl vessels fishing for krill in CCAMLR Subarea 48.3

   Abstract / Description:  At the 2004 meeting of the Working Group on Ecosystem Monitoring and Management ... (WG-EMM) in Siena, Italy, the UK reported on the by-catch of fur seals (Arctocephalus gazella) in the ... avoid fur seal deaths in the fishery. WG-EMM requested that the UK provide further details of the ... methods employed for consideration by the ad hoc Working Group on Incidental Mortality Arising from ... net rather than the roof. After this modifi cation, no further captures were reported. The vessel ... allow the seals to escape alive and unharmed. Therefore no further measures were developed ... those on the Esperanza, in that no specifi c mitigation measures were deployed. However, the front ... the nets used on the Koyo Maru No. 8 (Figure 8). The NISSUI system was developed by Nippon Suisan ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 195–205 : Auteur(s): Hooper, J., J.M. Clark, C. Charman and D. Agnew

7. Fishing for toothfish using pots: results of trials undertaken around South Georgia, March–May 2000

   , March–May 2000 Abstract / Description:  During the period March to May 2000, the UK undertook trials of ... (Subarea 48.3). This method has the potential to minimise, or eliminate, incidental bird mortality when ... compared to the standard longline method. This paper describes the trial and the results, and discusses the ... commercial viability of this fishing method for toothfish fisheries in the CCAMLR Convention Area. While the ... entangled in the fishing gear was also very low; no bird mortalities were witnessed during the trial. Due ... , no birds were observed in the direct vicinity of sinking pots. This may result from tlie fact that ... observed in the vicinity of tlie vessel, but showed no interest in hauling operations. The fourth aim of ... , which may have affected their condition. No crabs had vitality stage 3 after the experiment; all ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 93–105 : Auteur(s): Agnew, D.J., T.M. Daw, G.M. Pilling and M.G. Purves

8. Preliminary model of krill fishery behaviour in Subarea 48.1

   :  A simple model of the behaviour of the krill fishery in FAO Statistical Subarea 48.1 (South Shetland ... Islands and Antarctic Peninsula) is described. Parameters of the model are calculated from Chilean fishery ... data over the period 1989 to 1992. The distribution of catches predicted by the model, which is ... restricted to the four months December to March, compares favourably with the historical distribution of ... effectively unlimited compared to the size of the catch and thus there was no limit to catch in any fine ... simple model of the behaviour of the krill fishery in FAO Statistical Subarea 48.1 (South Shetland ... Islands and Antarctic Peninsula) is described. Parameters of the model are calculated from Chilean ... fishery data over the period 1989 to 1992. The distribution of catches predicted by the model, which is ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 71–79 : Auteur(s): Agnew, D.J. and V.H. Marín

9. Protecting young fish and spawning aggregations of Champsocephalus gunnari in Subarea 48.3 (South Georgia): a review

   Subarea 48.3 (South Georgia): a review Abstract / Description:  The need to protect young fish and ... spawning aggregations in fisheries generally, and specifically in the Champsocephalus gunnari fishery in ... Subarea 48.3, is reviewed. Mechanisms available to achieve these objectives are discussed, including the ... measures put in place by CCAMLR to date. These measures are re-examined in the light of new information ... approximately with the start of the spawning season, and there is no evidence of a time of year when a closed ... , b u t the Commit tee w a s no t i n a position at its 1999 meet ing t o provide unequivocal ... . gzuznnri benefit in restoring depleted stocks through the protection of juvenile fish. There was no ... Conservation Measure 1/III had no fixed lifespan, it has not been in force since the 1989/90 season (see ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 75–86 : Auteur(s): Parkes, G.B

10. CCAMLR-XXVI

    Full Name:  Twenty-sixth Meeting of the Commission Location:  Hobart, Australia Date(s):  Monday ... September 2007 Meeting documents Doc Number Title CCAMLR-XXVI/01 Provisional Agenda for the Twenty-sixth ... Meeting of the Commission for the Conservation of Antarctic Marine Living Resources CCAMLR-XXVI/02 ... Provisional Annotated Agenda for the Twenty-sixth Meeting of the Commission for the Conservation of Antarctic ...

    Meeting

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