Résultats de la recherche
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IMPROVING ESTIMATES OF ADÉLIE PENGUIN BREEDING POPULATION SIZE: DEVELOPING FACTORS TO ADJUST ONE-OFF POPULATION COUNTS FOR AVAILABILITY BIAS
priority for future work. This paper reports on the collection and development of adjustment factor data ... recognised, the considerable work in obtaining one-off counts for population surveys have not been matched by ... for Adélie penguins in east Antarctica. Author(s): C. Southwell, J. McKinlay, L. Emmerson, R ... : DEVELOPING FACTORS TO ADJUST ONE-OFF POPULATION COUNTS FOR AVAILABILITY BIAS Approval: Approved ...
Meeting Document : WG-EMM-09/38 : Auteur(s): C. Southwell, J. McKinlay, L. Emmerson, R. Trebilco and K. Newbery (Australia)
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New corrections factors for the quantification of fish represented in pellets of the blue-eyed shag Phalacrocorax atriceps
necessary for the quantification of fish represented in pellets. These factors were obtained for Notothenia ... corrections factors for the quantification of fish represented in pellets of the blue-eyed shag Phalacrocorax ... Abstract: A comparative analysis was carried out on stomach contents and pellets (=regurgitated ... number. Observations on behaviour showed that the daily foraging trips per bird increased in number but ...
Meeting Document : WG-EMM-95/83 : Auteur(s): Silva, P., Casaux, R., Favero, M., Barrera-Oro, E.
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List of Italian research projects that contribute to the Research and Monitoring Plan for the Ross Sea region Marine Protected Area
existing PNRA data for retrospective analysis. Second to identify Italian scientists and research expertise ... contribute to the Research and Monitoring Plan for the Ross Sea region Marine Protected Area Microsoft Word ... Release Consent: No Delegation responsibility for releasing documents: Italy ... to stimulate and facilitate new international agreement on collaborative international research on ...
Meeting Document : SC-CAMLR-XXXVII/BG/26 : Auteur(s): Delegation of Italy
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SEASONAL ESTIMATION OF ABUNDANCE BY BOOTSTRAPPING INEXACT RESEARCH DATA (SEABIRD): A METHOD FOR ASSESSING ABUNDANCE AND UNCERTAINTY FROM HISTORICAL COUNT DATA USING ADELIE PENGUINS AS A CASE STUDY
the R language for statistical computing (R Development Core Team 2008). Software is reliant on data ... sites in Antarctica, Southwell (2004) proposed a general abundance estimator appropriate for a species ... to assess their effect. Confidence intervals for final estimates at different scales of spatial ... percentile intervals. While tailored for Adelie penguins, the method and implementation is sufficiently ...
Meeting Document : WG-EMM-PSW-08/11 : Auteur(s): J.P. McKinlay and C.J. Southwell (Australia)
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A SIMULATION MODEL FOR EVALUATING MANAGEMENT STRATEGIES TO CONSERVE BENTHIC HABITATS (VULNERABLE MARINE ECOSYSTEMS) WHICH ARE POTENTIALLY VULNERABLE TO IMPACTS FROM BOTTOM FISHERIES
level that can naturally restore the original structure and function within 20 years. It does not ... ”, a categorisation fraught with difficulty. Instead, it means that habitats for which this would not ... easily be met would be more vulnerable than those for which the objective might be met most often. This ... paper develops a simulation model for this task, representing key properties of the benthic system such ...
Meeting Document : WG-SAM-09/21 : Auteur(s): A.J. Constable (Australia)
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JAPANESE SCIENTIFIC OBSERVER ACTIVITIES FOR KRILL FISHERY IN CCAMLR CONVENTION AREA FROM 2003/04 TO 2007/08 FISHING SEASONS
. The Japanese scientific observers are trained through an educational program on fishery, krill and ... the incidentally caught species yielded guidelines for sampling and species identification of larval ... coverage to provide information for the management of fishery, krill resources and Antarctic ecosystem ... . Author(s): M. Kiyota and T. Iida (Japan) Title: JAPANESE SCIENTIFIC OBSERVER ACTIVITIES FOR KRILL ...
Meeting Document : WG-EMM-09/19 : Auteur(s): M. Kiyota and T. Iida (Japan)
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Spatio-temporal trends of longline fishing effort in the Southern Ocean and implications for seabird by-catch
fleets south of 30?S has been well over 250 million hooks per year since the early 1990s. However the ... distant-water pelagic fleets began fishing for tuna and tuna-like species in the early 1950s. Along with ... the more recent development and expansion of demersal longline fleets for species such as Patagonian ... . Likewise demersal fishing for toothfish increased markedly during the mid-1990s. These fisheries, along ...
Meeting Document : WG-FSA-02/43 : Auteur(s): G.N. Tuck, T. Polacheck and C.M. Bulman (Australia)
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By-catch analysis as a part of progress report for the research fishery of Dissostichus spp. in Divisions 58.4.3a and 58.4.4b by Japan and France during 2012/13–2016/17
report for the research fishery of Dissostichus spp. in Division 58.4.3a and 58.4.4b by Japan and France ... less than 100 kg and less than 20 % of total catch. GRV and ANT are common by-catch species, which are ... caught at every research block and every year. RFA is also common by-catch species, but mainly fished at ... that the number of by-catch individuals is highest at the research block 58.4.4b_1 for GRV and ANT. As ...
Meeting Document : WG-SAM-17/45 : Auteur(s): T. Okuda, A. Rigaud, R. Sinegre and T. Ichii
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By-catch analysis as a part of progress report for the research fishery of Dissostichus spp. in Subarea 48.6 by Japan and South Africa during 2012/13–2016/17
report for the research fishery of Dissostichus spp. in Subarea 48.6 by Japan and South Africa during ... than 100 kg and less than 20 % of total catch. GRV and ANT are common by-catch species, which are ... caught at every research block and every year. ICX is also common by-catch species, but mainly fished at ... as a part of progress report for the research fishery of Dissostichus spp. in Subarea 48.6 by Japan ...
Meeting Document : WG-SAM-17/44 : Auteur(s): T. Okuda, S. Somhlaba and T. Ichii
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Design of the Italian acoustic survey in the Ross Sea for the Austral summer 2003/04
abundance, and the effects of predators on altering them; (2) Net sampling for describing krill demography ... . crystallorophias) populations and concurrent censuses of their top predators for estimating krill distribution and ... , energetic/physiology and genetics; (3) CTD and XBT sampling for identifying the characteristics of the water ... along a cruise track (about 2500 nm) that gives an uniform density of acoustic, net and CTD samplings ...
Meeting Document : WG-EMM-02/31 : Auteur(s): M. Azzali, A. Sala and S. Manoukian (Italy)