Résultats de la recherche

1. Effects of recruitment variability and natural mortality on generalised yield model projections and the CCAMLR decision rules for Antarctic krill

   projections and the CCAMLR decision rules for Antarctic krill Abstract / Description:  The generalised yield ... model (GYM) was used by CCAMLR to establish the precautionary catch limit for the Antarctic krill ... natural mortality rate of 0.8 and recruitment variability generated using a Beta distribution for ... proportional recruitment of krill. In this study, krill sampling data for empirical size frequencies were ... years and CCAMLR criteria calculated both for any given year in all years, and for only the final year ... whether or not the population effects associated with the pro- posed catch are acceptable. For krill in ... both criteria are met is then used to calculate the precautionary catch used as an upper limit for ... with a model for population dynamics that extended an earlier dynamic model for fisheries management ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 81–96 : Auteur(s): Kinzey, D., G. Watters and C.S. Reiss

2. Management and assessment options for the crab fishery around South Georgia

   for a conservative approach to management. Such an approach includes the use of catch/effort controls ... Paper Title:  Management and assessment options for the crab fishery around South Georgia Abstract ... / Description:  A new fishery for the lithodid crab, Paralomis spinosissima, started in Subarea 48.3 in 1992 ... . The fishery is also new to CCAMLR, both in terms of the species and fishing gear. We provide an ... and fishing gear. We provide an overview of the management options for crab fisheries in general and ... Convention point to the need for a conservative approach to management. Such an approach includes the use of ... aim to provide an overview of the management options for crab fisheries in general. We then ... exploitable part of the stock. The target for the Alaskan king crab is between 20 and 60% depending on ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 193–202 : Auteur(s): Basson, M. and D.D. Hoggarth

3. Fishery Report 2017: Exploratory fishery for Dissostichus mawsoni in Subarea 88.1

   Description / Abstract:  Fishery Report 2017: Exploratory fishery for Dissostichus mawsoni in ... applied to the scaled length-frequency distributions for each year to produce annual catch-at-age ... years of age and can live to at least 27 years, whereas M. caml reaches full size at about 15–20 years ... December 2014 to 30 November 2015). Fishery Report 2017: Exploratory fishery for ... . Prior to 2017, this fishery was an exploratory fishery for Dissostichus spp., however, in order to ...

   Document : Site Section: Publications

4. Schedule for the Thirty-seventh Meetings of the Commission and the Scientific Committee

   Lunch 14:00-15:30 SCAF 7.1 Review of the 2018 Budget SCAF 7.2 Draft Budget for 2019 SCAF 7.3 Forecast ... Budget for 2020 CM Drafting Group (English) CANCELLED 13. SC activities (cont.) 15:30-16:00 Refreshment ... Break 16:00-17:30 SCAF 7.2 Draft Budget for 2019 (cont.) SCAF 7.3 Forecast Budget for 2020 (cont.) CM ... (SCIC) Location: Convention Room Scientific Committee 08:00-08:30 Registration for SC-CAMLR-XXXVII and ...

   Page : Site Section: Meetings

5. Fishery Report: Exploratory fishery for Dissostichus spp. in Subareas 88.1 and 88.2

   selected for ageing each year, and used to construct annual area-specific ALKs. Age data were available ... predicted future spawning stock biomass (SSB) was below 20% of B0 in any one year, for each year over a 35 ... dominant of the tag data series. Li ke lih oo d (- ln L) 40 60 80 100 120 0 10 20 30 40 50 a ... TOT 88.1, 88.2 Age S el ec tiv ity 10 20 30 40 50 0.0 0.5 1.0 1.5 Male shelf fishery ...

   Document : Site Section: Publications

6. A compilation of parameters for ecosystem dynamics models of the Scotia Sea – Antarctic Peninsula region

   Paper Title:  A compilation of parameters for ecosystem dynamics models of the Scotia Sea ... assessment of methods for subdividing the precautionary catch limit amongst smaller spatial units. This paper ... compiles parameters for use in the ecosystem dynamic models that are needed to assess these methods. These ... parameters include life history and krill consumption parameters for the fish, whale, penguin and seal ... offspring produced per breeding adult per year. Derived krill demand estimates are for the adult portion ... mentioned in the text. Boundary area 1 Boundary area 2 Boundary area 3 5 Parameters for Scotia Sea ... P3). An arbitrary value was also used for the adult μ of chinstrap penguins. * , ,k j sQ for ... population structures in Croll and Tershy (1998) (Note P4). An arbitrary 1:1 sex ratio was assumed for the ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 1–25 : Auteur(s): Hill, S.L., K. Reid, S.E. Thorpe, J. Hinke and G.M. Watters

7. Factors to consider in developing management measures for krill

   / Description:  A brief review of the objectives of the Convention for the Conservation of Antarctic Marine ... Living Resources is given along with an outline of steps for the evolution of management procedures for ... Paper Title:  Factors to consider in developing management measures for krill Abstract ... MANAGEMENT MEASURES FOR KRILL W.K. de la Mare>l< Abstract A brief review of the objectives of the ... Convention for the Conservation of Antarctic Marine Living Resources is given along with an outline of ... are dependent on krill forms an integral part of objectives of the Commission for the Conservation of ... year to year. The various techniques used to estimate the abundance of animal populations also give ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 175–187 : Auteur(s): de la Mare, W.K.

8. Towards the development of a management plan for mackerel icefish (Champsocephalus gunnari) in Subarea 48.3

   for an interim approach to the setting of precautionary catch limits for this fishery. An approach ... Paper Title:  Towards the development of a management plan for mackerel icefish (Champsocephalus ... and research surveys leading to estimates of stock biomass. An extension of this scheme would use ... required for C. gunnari. File:  05agnew-etal.pdf ... therefore a need for an interim approach to the setting of precautionary catch limits for this fishery. An ... Sequence of Sampling, Analytical and Decision-making Processes The outline of an approach for using ... instance, M for the coming year could be assumed to be 'normal' unless there are indications that krill ... Tolerance (error) for determining F Time 0 L, K all sources of information would be used to review ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 63–77 : Auteur(s): Agnew, D.J., I. Everson, G.P. Kirkwood and G.B. Parkes

9. The gentoo penguin as a candidate species for the CCAMLR Ecosystem Monitoring Program

   Paper Title:  The gentoo penguin as a candidate species for the CCAMLR Ecosystem Monitoring ... supporting literature) that the gentoo penguin meets the specified criteria qualifying species for inclusion ... features of special relevance to the CEMP. File:  30-Croxall-and-Williams.pdf ... years at Bird Island, South Georgia and at the South Shetland Islands (both within Integrated Study ... WG-CEMP-90/14 THE GENTOO PENGUIN AS A CANDIDATE SPECIES ... FOR THE CCAMLR ECOSYSTEM MONITORING PROGRAM IP. Croxall and T.n. Williams* Abstract Based on ... penguin meets the specified criteria qualifying species for inclusion in the CEMP. The extensive ... suited for ecosystem monitoring were defined as: (i) specialist predators on the critical prey ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 483–488 : Auteur(s): Croxall, J.P. and T.D. Williams

10. A risk-management framework for avoiding significant adverse impacts of bottom fishing gear on Vulnerable Marine Ecosystems

    Paper Title:  A risk-management framework for avoiding significant adverse impacts of bottom ... , closed areas around identified VMEs, open and closed management areas, by-catch limits for VME-forming ... organisms, gear modification or spatial distribution of fishing effort. (iv) Review. All of the above steps ... information is not known, as is the case for VMEs in the Southern Ocean, an appropriate spatial scale for ... Likely (5) 0 5 10 15 20 25L ik el ih oo d Almost certain (6) 0 6 12 18 24 30 Martin-Smith 184 ... - cautionary approach of CCAMLR (see Constable et al., 2000 for review) will result in the likelihood of ... studies. For example, damage to Lophelia pertusa reefs off Norway was estimated to be 30–50%, but the ...

    Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 177–193 : Auteur(s): Martin-Smith, K

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