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1. Identifying taxonomic groups vulnerable to bottom longline fishing gear in the Ross Sea region

   the fishery being assessed. New Zealand identified an interim list of taxa to monitor in fishery by ... -catch in the Ross Sea as part of its benthic fisheries impact assessment. The rationale for including or ... , including two indicator-only taxa. File:  05parker-bowden.pdf ... , which is dependent on the structuring organisms. To provide a scientific basis for developing an ... : (L = <10 years; M = 10–30 years; H = >30 years) Growth rate: (L = mature <10 years; M = mature 10–20 ... years; H = mature >30 years or evidence for sporadic recruitment events) Fragility: (L = Flexible ... live longer than the 30 years estimated for more shal- low species (McFadden, 1991; Cordes et al ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 105–127 : Автор(ы): Parker, S.J. and D.A. Bowden

2. Champsocephalus gunnari stock status in the South Georgia area

   intensity was F 0.1. In the first two cases TAC=25-30 thousand tonnes and stock size does not change. For ... recruitment was taken at the lowest possible level for all these years (400 million specimens). Catch-per-unit ... / Description:  ata of age composition and fishing effort for 1976/77-1987/88 were used to analyse stock status ... and TAC for C. gunnari. Stock estimates were obtained using VPA with the following variations: mean F ... was FO.1• In the first two cases TAC=2S-30 thousand tonnes and stock size does not change. For the ... , using F regression on fishing effort and method of average weighted F. For 1986/87 the values ... possible level for all these years (400 million specimens). Catch-per-unit-effort was also taken at the ... individuals). Biomass (thousand tonnes). Stock status and T AC prediction if F is an average value for the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 1-18 : Автор(ы): Borodin, R. and P. Kochkin

3. Using ecosystem monitoring data to detect impacts

   impacted by activities such as fishing. This paper discusses a range of methods for inferring such impacts ... an observed value in an unimpacted system, or (ii) the frequency of values below a fixed reference ... point. The second approach allows inference criteria based on changes in this frequency rather than by ... within a few years of its onset, but a fixed reference point method could have provided this sustained ... : Method 4 with inference based on changes in frequency: the observed proportion of years in an n-year ... two out of three successive years. The reference period for Method 3 was also three years. Results ... anomaly as an impact (albeit based on only two observations). Even the higher reference points identify ... if at ≤ acrit in two or more years of a four-year refer- ence period. Summary of methods: anomalies ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 197–212 : Автор(ы): Hill, S.L., J. Forcada, P.N. Trathan and C.M. Waluda

4. WG-FSA-97

   -97/41 An assessment of longlining operations for Dissostichus eleginoides on board the Chilean ... Petrenko, A.S. WG-FSA-97/09 An assessment of seabird interactions with longlining operations for ... Islands Williams, R., de la Mare, W.K., Constable, A. WG-FSA-97/31 A proposed research plan for an ... , K.A.R., Parnes, P. WG-FSA-97/54 Development of an underwater setting method for surface longliners, to ...

   Meeting

5. COLTO Depredation Workshop

   2016.  Results were an enhanced understanding on the current state of depredation in toothfish ... operational guidelines in regards to depredation. A second depredation workshop is planned for 2018, aimed at ... evaluate depredation.  “Next steps” regarding studying and minimising depredation were established for all ... peer-reviewed paper, encompassing a global review on depredation in high latitude fisheries; and ...

   Meeting Document : SC-CAMLR-XXXV/BG/23 : Автор(ы): Submitted by COLTO

6. Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey

   ), as a function of the fraction of the biomass estimate which is set as the catch for a 20-year period ... a summer harvest. However, the imposition of an upper bound of 1.5 yr-1 on the effective annual ... et al. (1992) put forward an extension of the harvesting model of Beddington and Cooke (1983) to ... Meetings of the Working Group on Krill (WG-Krill). The most important of these extensions is integration ... any year, an upper bound of 1.5 yr-l is placed on the effective annual fishing mortality for fully ... biomass estimate which is set as the catch for a 20-year period. Three possible fishing seasons are ... drawn at random from pre-specified distributions for each simulation of a 20-year period of harvesting ... ) requested that statistics be provided for a 10- as well as a 20-year period of harvesting. Calculations ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 81–106 : Автор(ы): Butterworth, D.S., G.R. Gluckman, R.B. Thomson, S. Chalis, K. Hiramatsu and D.J. Agnew

7. A stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea Region incorporating multi-year mark-recapture data

   , and tagging has been an ongoing requirement for all vessels fishing in the fishery since 2004 ... . Although tagging experiments are commonly used for assessing fish stocks, most rely on estimates of ... Sea Region incorporating multi-year mark-recapture data Abstract / Description:  An exploratory ... model was developed for Antarctic toothfish in the Ross Sea region that incorporates multi-year release ... years. This was based on work by Hanchet et al. (2008), who hypothesised an ontogenetic move- ment of ... . Mangel and A.D. MacCall. 2006. A prior for steepness in stock-recruitment relationships, based on an ... . _______________________________________________________________ 1 The CCAMLR fishing season starts on 1 December and ends on 30 November in the following year ... the catches calculated for each year between 1999 and 2012 for Antarctic tooth- fish on the shelf ...

   Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 39–62 : Автор(ы): Mormede, S., A. Dunn and S.M. Hanchet

8. Stomach contents of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea region in 2010 and a comparison with 2003

   two years. It is planned to carry out a more rigorous analysis of these data in the coming year ... items, of which 13 contained only digested prey, leaving 185 stomachs for analysis. The majority of ... whitsoni) dominated the diet occurring in 37% of stomachs and accounting for 45% by weight and 52% by IRI ... . De Witt’s icefish, eel-cods, and glacial squid were also important occurring in about 20% of stomachs ...

   Meeting Document : WG-FSA-10/22 : Автор(ы): D.W. Stevens, J. Forman and S. Hanchet (New Zealand)

9. WG-FSA-15

   of Japan WG-FSA-15/20 Revised research plan for toothfish in Division 58.4.4b by Shinsei maru No. 3 ... for Patagonian toothfish in research block 58.4.3a_1 of Division 58.4.3a, Elan Bank for the years 2005 ... models for Patagonian toothfish in research block 58.4.4b_1 (SSRU 58.4.4bC) for the years 1990–2014 K ... in Subareas 88.1 & 88.2 for the years 2000–01 to 2014–15 S.J. Parker and S. Mormede (New Zealand ...

   Meeting

10. CCAMLR-XIX

    Resources CCAMLR-XIX/10 Notification of an exploratory fishery for Dissostichus spp. on Elan and BANZARE ... -XIX/14 Notification of an exploratory pot fishery for crabs in Subarea 48.3 Delegation of Uruguay ... Delegation of Uruguay CCAMLR-XIX/16 Notification of an exploratory pot fishery for Dissostichus eleginoides ... continue an exploratory fishery for Dissostichus spp. in CCAMLR Subarea 88.1 Delegation of New Zealand ...

    Meeting

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