Résultats de la recherche

1. CCAMLR conservation measures: a review

   Abstract:  Conservation measures are an integral part of CCAMLR’s management of Antarctic marine ... living resources. The first measure was introduced in 1984, and the number of measures in force each year ... has grown rapidly since that time; 61 measures were in force in 2000/01. The majority of conservation ... measures focus on the management of fisheries and related activities, and most of these measures are in ...

   Meeting Document : CCAMLR-XX/BG/04 : Auteur(s): Secretariat

2. Reporting procedures for the continuous fishing method

   at the cost of a high uncertainty in the individual 2-hour catches. We still consider a 6-hours ... Abstract:  Information about catch and effort from the fishing fleet is vital for evaluation of ... the management of krill. The continuous trawling method requires adapted reporting procedures compared ... to traditional trawling. The present reporting procedure of 2-hour intervals has demonstrated ...

   Meeting Document : WG-EMM-17/48 : Auteur(s): O.R. Godø and T. Knutsen

3. Seabird mortality and the Falkland Islands trawling fleet

   the warp cable, while feeding on factory discharge at the stern of the vessel. An unknown proportion ... melanophris), were killed by finfish trawlers during this period. Significant levels of mortality were also ... recorded on the Patagonian Shelf, north of the Islands. Birds were killed after being dragged underwater by ... of these birds become impaled on a splice in the cable, which was situated on average around 50-100m ...

   Meeting Document : WG-FSA-03/91 : Auteur(s): B.J. Sullivan, T.A. Reid, L. Bugoni and A.D. Black (United Kingdom)

4. REVISED AGE AND GROWTH ESTIMATES FOR ANTARCTIC STARRY SKATE, AMBLYRAJA GEORGIANA, FROM THE ROSS SEA

   Abstract:  A previous study on the age and growth of Amblyraja georgiana in the Ross Sea suggested ... (Francis and Ó Maolagáin, 2005). We present an alternative interpretation of age and growth in A. georgiana ... caudal thorns instead of broad diffuse bands, we have generated growth curves that suggest much slower ... growth, greater ages at maturity (about 20 years compared with 6–11 years) and greater maximum ages (28 ...

   Meeting Document : WG-FSA-08/21 : Auteur(s): M.P. Francis (New Zealand) and M.J. Gallagher (Ireland)

5. SCAR Report on Marine Acoustics and the Southern Ocean

   workshop on marine acoustic studies at the University of Cadiz, Spain in January 2006. The purpose of the ... workshop was to review improvements in knowledge and understanding of the interactions between marine ... . Mitigation procedures were discussed and a number of recommendations set for future activities and acoustic ... research in Antarctica. This paper provides a detailed report of the Cadiz workshop and is a supplementary ...

   Meeting Document : CCAMLR-XXV/BG/23 : Auteur(s): Submitted by SCAR

6. Selectivity-induced bias in growth parameter estimates

   Abstract:  A short simulation study has been carried out to investigate the size of the bias in ... estimates of growth parameters resulting from fish of different sizes having different probabilities of ... probability equal to an assumed relative selectivity at length. Both the mean growth parameters and the ... producing considerably lower estimates of L? and higher estimates of K than in the true population. The ...

   Meeting Document : WG-FSA-SAM-05/19 : Auteur(s): G.P. Kirkwood (United Kingdom)

7. Commercial krill fisheries in the Antarctic 1973–1988

   peak of some 500 000t in 1981/82 before droping to a low level in 1983/84 and stabilising at about 400 ... Abstract:  STATLANT data reported to the Commission for the Conservation of Antarctic Marine ... 000t thereafter. Indications are that in terms of both catch and effort the Soviet and Japanese ... fisheries in Statistical Sub-areas 48.1, 48.2 and 48.3 dominate exploitation of krill in the CCAMLR ...

   Meeting Document : SC-CAMLR-VIII/BG/11 : Auteur(s): Delegation of South Africa

8. The SCAR Antarctic digital topographic database

   Abstract:  The Antarctic digital topographic database is the outcome of a truly international ... collaborative project between 11 nations. Data capture was co-ordinated in the UK, under the auspices of the ... Scientific Committee on Antarctic Research (SCAR), during a two-year period. Over 200 maps, at scales ranging ... number of satellite images (mostly Landsat photographic products). Editing and harmonization of the data ...

   Meeting Document : SC-CAMLR-XII/BG/16 : Auteur(s): Delegation of United Kingdom

9. Outline proposal for geographic information services for CCAMLR

   staged approach involving different levels of complexity and commitment. At this stage the document only ... -of-the-art capacity for managing spatial data for CCAMLR, particularly the types of information ... handling geographic information, and a phased handover of system development and maintenance to the ... Secretariat. BAS is well-placed to offer these geographic information services, with over 10 years of ...

   Meeting Document : WG-EMM-12/70 : Auteur(s): Submitted by the Secretariat on behalf of Adrian Fox, British Antarctic Survey (United Kingdom)

10. Fishery selection for Patagonian toothfish in CCAMLR Subarea 48.3, asymptotic or dome shaped?

    Abstract:    Characterisation of fishery selection is key to reducing uncertainty in the ... with deploying fishing gear at increasing depths, there is the potential for a dome shaped selection ... with age and size to arise. However this type of selection pattern is associated with the estimation of ... highly uncertain quantities of cryptic biomass. A review of the fishery and tagging data from the ...

    Meeting Document : WG-SAM-15/29 : Auteur(s): C. Darby, V. Laptikhovsky and M. Soeffker (United Kingdom)

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