Résultats de la recherche

1. Length-at-age in juvenile Patagonian toothfish (Dissostichus eleginoides)

   / Description:  We used the otoliths from a sample of Dissostichus eleginoides pre-recruits, whose length ... estimated from reading otoliths in a goodness-of-fit test. The majority of the otoliths (83.6%) were ... estimated to be from fish 1+ or 2+ years old, with mean total lengths of 32.5 cm and 41.3 cm respectively ... Paper Title:  Length-at-age in juvenile Patagonian toothfish (Dissostichus eleginoides) Abstract ... Cambridge CB3 0ET, United Kingdom Abstract We used the otoliths from a sample of Dissostichus eleginoides ... on length, and compared with ages estimated from reading otoliths in a goodness-of-fi t test. The ... majority of the otoliths (83.6%) were estimated to be from fi sh 1+ or 2+ years old, with mean total ... lengths of 32.5 cm and 41.3 cm respectively. No difference was found between predicted and estimated ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 1–10 : Auteur(s): Ashford, J., C. Jones, S. Bobko and I. Everson

2. Revised age and growth estimates for Antarctic starry skate (Amblyraja georgiana) from the Ross Sea

   ) from the Ross Sea Abstract / Description:  A previous study on the age and growth of Amblyraja ... , after which growth almost ceases (Francis and Ó Maolagáin, 2005). An alternative interpretation of age ... . By counting fine growth bands in the caudal thorns instead of broad diffuse bands, growth curves have ... 6–11 years) and greater maximum ages (28–37 years compared with 14 years). Several pieces of ... . In this paper, the ageing of A. georgiana, using a larger sample size and an alternative approach ... . Francis National Institute of Water and Atmospheric Research (NIWA) Ltd Private Bag 14901 ... Pier, Killybegs Co. Donegal, Ireland Abstract A previous study on the age and growth of Amblyraja ... , after which growth almost ceases (Francis and Ó Maolagáin, 2005). An alternative interpretation of age ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 211–220 : Auteur(s): Francis, M.P. and M.J. Gallagher

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

   Abstract / Description:  The fundamental equations and assumptions underlying estimation of krill abundance ... 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 ... Paper Title:  Note on estimating krill abundance from acoustic data on individual aggregations ... 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 kriU ... (WG-Krill) emphasised the importance of acoustic techniques in the determination of krill abundance ...

   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

4. An impact assessment framework for bottom fishing methods in the CAMLR Convention Area

   preliminary assessment of bottom fishing impacts for the 2008/09 toothfish longline fishery. This paper ... illustrates the utility of the standardised approach and provides a methodological template for systematic ... necessary component of a full ecological risk assessment. File:  10sharp-et-al.pdf ... Paper Title:  An impact assessment framework for bottom fishing methods in the CAMLR Convention ... fishery. This paper illustrates the utility of the standardised approach and provides a methodological ... purpose of this paper is to illustrate the utility of the standardised approach and provide a ... Zealand Ministry of Fisheries 101–103 The Terrace Wellington, New Zealand E-mail – ben.sharp ... @vanuatu.com.vu / ben.sharp@fish.govt.nz S.J. Parker National Institute of Water and Atmospheric Research Ltd ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 195–210 : Auteur(s): Sharp, B.R., S.J. Parker and N. Smith

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

   vulnerable marine ecosystems (VMEs) requires a specific list of the taxa that are considered vulnerable in ... 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 ... Paper Title:  Identifying taxonomic groups vulnerable to bottom longline fishing gear in the Ross ... interim list of taxa to be monitored through CM 22-07 (CCAMLR, 2009). The objective of this paper is to ... fishing gears (SC-CAMLR, 2009). An earlier version of this manuscript was a discussion paper for that ... different set of criteria to those discussed here. The intent of this paper is to provide the rationale ... features of selected groups. For the corals, this paper follows the high-level taxonomic classifi- cation ...

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

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 ... Paper Title:  Seal mitigation measures on trawl vessels fishing for krill in CCAMLR Subarea 48.3 ... Street, London W1J 5PN United Kingdom Email – j.hooper@mrag.co.uk Abstract At the 2004 meeting of the ... -catch of fur seals (Arctocephalus gazella) in the krill fi shery around South Georgia, and on ... requested that the UK provide further details of the methods employed for consideration by the ad hoc ... Hooper et al. 196 Introduction At the 2004 meeting of the Working Group on Ecosystem Monitoring and ...

   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. Trawl selectivity for Champsocephalus gunnari

   area. The trawl bags tested were made of net webbing with 3.1 mm twine and 88.2 mm mesh size. Trawling ... speed was 3.5 knots. Icefish comprised 90 to 100% of catches. The logistic selectivity curves were ... Paper Title:  Trawl selectivity for Champsocephalus gunnari Abstract / Description:  Data on trawl ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 69–75 : Auteur(s): Efanov, S.F., G.E. Bidenko and V.A. Boronin

8. 1989/1990 stock status and TAC assessment for Patagonotothen brevicauda guntheri in South Georgia subarea (48.3)

   . Stock has been assessed at 123.1 thousand tonnes with a TAC of 28.3 thousand tonnes for the initial ... period of 1989/90 fishing season. File:  08-Shilbanov.pdf ... Paper Title:  1989/1990 stock status and TAC assessment for Patagonotothen brevicauda guntheri in ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 101–110 : Auteur(s): Shlibanov, V.I.

9. Selectivity parameters for Notothenia gibberifrons Lönnberg, 1905 and Champsocephalus gunnari Lönnberg, 1905 obtained during “8611 ANTARCTICA [ANTARTIDA]” expedition

   different methods with a codend mesh of 68 mm were 2.87 for Notothenia gibberifrons and 3.10 for ... Paper Title:  Selectivity parameters for Notothenia gibberifrons Lönnberg, 1905 and ... Antarctic cruise “ANTARTIDA 8611” using the covered codend technique. This paper presents the results ... . Selection factors calculated following different methods with a codend mesh of 68 mm were 2.87 for ... , 1980. Working Party on Antarctic Fish Biology, Recommended Methods for Standardization of Measurements ... of Fish. BIOMASS Handbook num. 13. CCAMLR, 1986a. Informe de la quinta reunion del Comite ... J.A., 1983. Fish Stock Assessment. A Manual of Basic Methods. FAO/Wiley Series on food and ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 87-105 : Auteur(s): Balguerías, E.

10. 1989/90 stock status and TAC assessment for Champsocephalus gunnari in Subarea 48.3 (South Georgia)

    ) using standardized fishing effort. For the beginning of the 1989/90 fishing season, the stock was ... Paper Title:  1989/90 stock status and TAC assessment for Champsocephalus gunnari in Subarea 48.3 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 15–27 : Auteur(s): Frolkina, Zh.A. and P. Gasyukov

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