Résultats de la recherche

1. Nine years of tag-recapture in CCAMLR Statistical Subarea 48.3 – Part II: Spatial movement and analysis

   Abstract:  This paper presents an analysis of data gained from nine years of tagging of Patagonian ... procedure, Patagonian toothfish biology, growth and local movement of Patagonian toothfish in 48.3 ... . The characterisation of tag recapture data from Subarea 48.3 shows that the tagging programme is ... indication of spatial areas of biological interest, such as potential spawning and nursery grounds. Author(s ...

   Meeting Document : WG-FSA-14/49 : Auteur(s): M. Soeffker, C. Darby and R.D. Scott (United Kingdom)

2. KRILLBASE: a circumpolar database of Antarctic krill and salp numerical densities, 1926–2016

   backdrop of rapid regional climate change, requires information on distribution and time trends. Many data ... on the abundance of both taxa have been obtained from net sampling surveys since 1926, but much of ... accessible we have collated available abundance data (numerical density, no.m−2) of postlarval E. superba and ... provide a temporal-spatial data resource to support a variety of research such as biogeochemistry ...

   Meeting Document : WG-EMM-17/P03 : Auteur(s): A. Atkinson, S.L. Hill, E.A. Pakhomov, V. Siegel, R. Anadon, S. Chiba, K.L. Daly, R. Downie, S. Fielding, P. Fretwell, L. Gerrish, G.W. Hosie, M.J. Jessopp, S. Kawaguchi, B.A. Krafft, V. Loeb, J. Nishikawa, H.J. Peat, C.S. Reiss, R.M. Ross, L.B. Quetin, K. Schmidt, D.K. Steinberg, R.C. Subramaniam, G.A. Tarling and P. Ward

3. Continuation of multi-Member research on the Dissostichus mawsoni exploratory fishery in East Antarctica (Divisions 58.4.1 and 58.4.2) from 2018/19 to 2021/22

   research progress including the evaluation of standard approaches to identify precautionary catch limits ... profile for this fishery. Furthermore, examination of bycatch data and underwater video footage have not ... led to the identification of vulnerable marine ecosystem (VME) indicator species (Maschette et al ... profile of this fishery and to allow more time for review by Working Groups of major reporting and review ...

   Meeting Document : WG-FSA-2019/44 : Auteur(s): Delegations of Australia, France, Japan, Republic of Korea and Spain

4. Experience with seabird by-catch limits in a trial of longline fishing in the Macquarie Island toothfish fishery

   trial of longline fishing in the Macquarie Island toothfish (Dissostichus spp.) fishery, which lies just ... discharge, night setting only, use of integrated weight longlines (CCAMLR standard); paired streamer lines ... of species with a different limit for each group. The groupings reflected the varying conservation ... status of the seabird populations breeding on and foraging around Macquarie Island, and the vulnerability ...

   Meeting Document : WG-FSA-07/19 : Auteur(s): T. Hewitt and I. Hay (Australia)

5. Using the EPOC modelling framework to assess management procedures for Antarctic krill in Statistical Area 48: evaluating spatial differences in productivity of Antarctic krill

   Abstract:  Spatially explicit simulation models of the Antarctic marine ecosystem are needed to ... development of a harvest strategy are whether (i) spatial differences in the productivity of krill give rise ... to differential affects on predators in different locations, (ii) movement of krill between locations ... conservation objectives for predators could be affected by those changes. Productivity of krill can be impacted ...

   Meeting Document : WG-EMM-06/38 Rev. 1 : Auteur(s): A.J. Constable (Australia)

6. Some characteristics of krill transport in the Scotia Sea based on the Russian survey data

   Abstract:  In this work the characteristics of krill transport across the SSMUs determined on the ... basis of long-term Russian research in Area 48 are considered. Estimates of mean current velocities ... of water masses is possible during one fishing season. These processes of water mass replacement will ... be accompanied with krill biomass transport across the boundaries of the SSMUs. Our estimates of ...

   Meeting Document : WG-EMM-05/41 : Auteur(s): S.M. Kasatkina, V.N. Shnar and O.V. Berezhinsky (Russia)

7. Register of non-CEMP time-series data

   Abstract:  The Secretariat was tasked with maintaining a register of the wide range of non-CEMP ... time series data that were of utility in support of the work of WG-EMM, including datasets derived from ... -XXII, Annex 4, paragraph 2.10). Non-CEMP data of interest are listed in Tables 1-3. Author(s ... ):  Secretariat Title:  Register of non-CEMP time-series data Approval:  Approved ...

   Meeting Document : WG-EMM-04/9 : Auteur(s): Secretariat

8. Antarctic icefishes (Channichthyidae) – a unique family of fishes – a review

   Abstract:  Icefish are a family of species unique among vertebrates in that they possess no ... haemoglobin. With the exception of one species, icefish live only in the cold – stable and oxygen – rich ... environment of the Southern Ocean. It is still questionable how old icefish are in evolutionary terms: they ... they are 15 – 20 Ma old and started to evolve some time after the formation of the Antarctic ...

   Meeting Document : WG-FSA-04/10 : Auteur(s): K.-H. Kock (Germany)

9. Design of the Italian acoustic survey in the Ross Sea for the Austral summer 2003/04

   Abstract:  In agreement with the Report of the IXX WG-EMM (Art. 2.78; p.128), the current paper ... -2004. The research consists of three core activities: (1) Acoustic sampling on krill (E. superba and E ... . crystallorophias) populations and concurrent censuses of their top predators for estimating krill distribution and ... abundance, and the effects of predators on altering them; (2) Net sampling for describing krill demography ...

   Meeting Document : WG-EMM-02/31 : Auteur(s): M. Azzali, A. Sala and S. Manoukian (Italy)

10. ALLOCATION OF RESEARCH HAULS IN THE EXPLORATORY FISHERIES FOR DISSOSTICHUS SPP. IN SUBAREAS 48.6 AND 58.4 IN 2008/09

    account for SSRUs where fishing had not been previously reported, and SSRUs where the number of positions ... replacement) of 5 research hauls per stratum (fished and lightly fished/unfished) for each vessel. Where ... each vessel in each SSRU (position separation distances 7-120 nmiles). A total of 1082 starting ... of Insung No.1 (SSRU 5841C) and Shinsei Maru No.3 (SSRU 5842A) where the setting of research lines ...

    Meeting Document : WG-SAM-09/06 : Auteur(s): Secretariat

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