Résultats de la recherche

1. Sensitivity analysis for parameters of predatory species CCAMLR Ecosystem Monitoring Program

   likely to be sensitive to perturbations in the marine environment, which could act as indicators of ... marine conditions when monitored annually. A few species were deemed most likely to be useful in this ... data generated; most importantly, the degree of variance around the mean. While data sets can be ... enables estimates of required sample sizes for specified detection capabilities to be made with greater ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 411–432 : Auteur(s): Whitehead, M.D.

2. Defining predator foraging ranges, illustrated using Adélie penguin foraging tracks from Mawson coast

   likely to be foraged by predators from one year to the next, i.e. what is a predator’s feeding range ... taking into account interannual variation in foraging locations? This paper considers the issues to be ... these foraging ranges for the purposes of small-scale management units may need to be examined in three ... parts. The first part is to determine whether the results would be different for different seasons e.g ...

   Meeting Document : WG-EMM-02/41 : Auteur(s): I.R. Ball, A.J. Constable, J. Clarke and L. Emmerson (Australia)

3. Preliminary assessment of Champsocephalus gunnari on the Heard Island Plateau (Division 58.5.2) based on a survey in May 2002

   current estimates of length at age parameters would be for most of the fish to be three year olds. However ... , given the abundance of fish in the population and the age structure of fish last year, it would be more ... year old fish then the yield for 2002/03 is estimated to be 1990 tonnes. If it comprises mostly four ... year olds then the yield would be 1815 tonnes. It is also proposed that the minimum size of capture be ...

   Meeting Document : WG-FSA-02/47 : Auteur(s): A.J. Constable, R. Williams and T. Lamb (Australia)

4. The effects of an experimental hake Merluccius capensis/paradoxus longline fishery on Procellariiform seabirds in South Africa - a preliminary investigation

   before sunrise. If line shooting could be completed prior to Whitechinned Petrels becoming highly active ... , a great deal of mortality might be avoided. Nine great shearwaters and two pintado petrels were ... killed during 13 hours of hauling procedures. Hauling mortalities can be avoided by diverting offal ... continuously process offal seem to be more attractive to scavenging seabirds then smaller vessels. Mitigation ...

   Meeting Document : WG-FSA-95/21 : Auteur(s): Barnes, K.

5. Key considerations for planning a large-scale krill survey

   , is now unlikely. However, future large-scale surveys may be possible with the engagement of the ... fishing industry. We recommend that any such large scale surveys should be coordinated through CCAMLR’s ... resource issues that must be addressed. We suggest that CCAMLR’s working groups should establish a process ... for addressing these issues if these groups consider that large-scale surveys are likely to be ...

   Meeting Document : WG-EMM-15/27 : Auteur(s): S. Hill, J. Watkins (United Kingdom), O.R. Godø (Norway), S. Kawaguchi (Australia), D. Kinzey, C. Reiss (USA), V. Siegel (Germany), P. Trathan (United Kingdom) and G. Watters (USA)

6. A review and preliminary analysis of CEMP data

   been amended. These inconsistencies had no effect on the CEMP indices, but needed to be corrected ... automated collection could be incorporated. Preliminary analysis of breeding population size and breeding ... could be the cause. An examination of migration patterns in the Peninsula region would make show the ... critical dates in the breeding biology, however this needs to be examined more closely. Further analyses ...

   Meeting Document : WG-EMM-02/7 : Auteur(s): Secretariat

7. Management of C. gunnari in Subarea 48.3

   likelihood of substantial periodic variation in natural mortality rates. These may be associated with ... mortality of icefish may, in some years, increase by a large factor (assumed here to be 4) declining to ... can be used to calculate an appropriate proportion of an estimate of Bo which could be taken by ... fishing, under conditions where M is assumed to be highly variable from year to year. Author(s):  Kirkwood ...

   Meeting Document : WG-FSA-97/38 : Auteur(s): Kirkwood, G.P., Parkes, G.B., Everson, I., Agnew, D.J.

8. Possible options for the future management of the Antarctic krill fishery in Subarea 48.2

   Subarea 48.2 is to expand beyond its current level, a new experimental approach must be developed that ... experimental framework should be a CCAMLR community project involving as many Members as possible. This will be ... fisheries acoustics. We propose that the experimental framework should be evaluated periodically in order to ... explore initial results and to determine if the framework should be continued. Author(s):  P. Trathan, O.R ...

   Meeting Document : WG-EMM-16/18 : Auteur(s): P. Trathan, O.R. Godø and S. Hill

9. Impact of predation by Cape fur seals Arctocephalus pusillus on Cape gannets Morus capensis at Malgas Island, Western Cape, South Africa

   000 in 2005/06. This amounted to about 29%, 83% and 57% of the overall production of fledglings at the ...

   Meeting Document : WG-EMM-06/9 : Auteur(s): A.B. Makhado, R.J.M. Crawford and L.G. Underhill (South Africa)

10. Estimation of the incidental capture of seabird species in commercial fisheries in New Zealand waters, 2001/02

    operations in 2001–02: 324 from observed trawl fishing operations (87% landed dead); 167 from tuna (Thunnus ... spp.) longlining operations (87% landed dead); and 330 from ling (Genypterus blacodes) longline ... . Observed squid (Nototodarus spp.) and hoki (Macruronus novaezelandiae) trawl fisheries accounted for 87% of ... caught during observed fishing operations: broad-billed prion (Pachyptila vittata). About 86% of the ...

    Meeting Document : WG-FSA-04/56 : Auteur(s): S.J. Baird (New Zealand)

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