Resultados de la búsqueda
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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 ... their breeding sites during the breeding period are strongly dependent on the timing within a breeding ... 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 ...
Meeting Document : WG-EMM-09/38 : Autor(es): 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
Abstract: A comparative analysis was carried out on stomach contents and pellets (=regurgitated ... necessary for the quantification of fish represented in pellets. These factors were obtained for Notothenia ... number. Observations on behaviour showed that the daily foraging trips per bird increased in number but ... corrections factors for the quantification of fish represented in pellets of the blue-eyed shag Phalacrocorax ...
Meeting Document : WG-EMM-95/83 : Autor(es): 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 ... to stimulate and facilitate new international agreement on collaborative international research on ... 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 ...
Meeting Document : SC-CAMLR-XXXVII/BG/26 : Autor(es): 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 ... Abstract: In addition to a review of published studies on Adelie penguin abundance at breeding ... sites in Antarctica, Southwell (2004) proposed a general abundance estimator appropriate for a species ... combining data, as far as practical different components of the estimation process can be switched on or off ...
Meeting Document : WG-EMM-PSW-08/11 : Autor(es): 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 ... Abstract: Bottom fisheries are now to ‘avoid significant adverse impacts on vulnerable marine ... habitats. Noting the paucity of data on the ecology of these habitats, this paper provides a practical ... ”, a categorisation fraught with difficulty. Instead, it means that habitats for which this would not ...
Meeting Document : WG-SAM-09/21 : Autor(es): 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 ... are analyzed through a cooperative scientific network on Antarctic ecosystem. Biological analysis of ... 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 ...
Meeting Document : WG-EMM-09/19 : Autor(es): 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 ... areas by wide-ranging seabirds. Attracted by baits and offal, the birds can be caught on the baited ...
Meeting Document : WG-FSA-02/43 : Autor(es): 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 ... during 2012/13–2016/17. We have used extracted data provided by CCAMLR secretariat on 2 nd June, 2017 ... less than 100 kg and less than 20 % of total catch. GRV and ANT are common by-catch species, which are ... 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 : Autor(es): 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 ... 2012/13–2016/17. We have used data set provided by CCAMLR secretariat on 10 th May, 2017. Although the ... than 100 kg and less than 20 % of total catch. GRV and ANT are common by-catch species, which are ... blocks (48.6_3, 48.6_4, and 48.6_5). On the other hands, the number of ANT by-catch individuals is ...
Meeting Document : WG-SAM-17/44 : Autor(es): 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 ... -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 ... , energetic/physiology and genetics; (3) CTD and XBT sampling for identifying the characteristics of the water ...
Meeting Document : WG-EMM-02/31 : Autor(es): M. Azzali, A. Sala and S. Manoukian (Italy)