Resultados de la búsqueda
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Preliminary results of investigations into the stock structure of Patagonian toothfish (Dissostichus eleginoides) around Macquarie Island
from the two sites are not homogeneous at the 5% probability level. While the other three loci did not ... genetic analyses that interchange of fish between the two sites is very low. Of 469 recaptures at both ... sites combined, only one fish had moved between sites. As the DNA analysis has so far only been ... Abstract: Studies on DNA microsatellites and a tagging programme both provide information on the ...
Meeting Document : WG-FSA-98/39 : Autor(es): A. Reilly, B. Ward and R. Williams (Australia)
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Demographic characteristics of the Adélie penguin population on Béchervaise Island after 12 years of study
Paper Title: Demographic characteristics of the Adélie penguin population on Béchervaise Island ... , fecundity levels and population numbers) were analysed for the Béchervaise Island Adélie penguin colony in ... eastern Antarctica after 12 years of monitoring under the CCAMLR Ecosystem Monitoring Program (CEMP). A ... . The population model predicted an annual population growth rate of 0.3% compared to the 1.2–1.8 ... considered valid on the basis that no signifi cant differences in survival between age classes were evident ... of population growth, a stable age structure and no density-dependent constraints. For the ... (2003): 53–74 53 DEMOGRAPHIC CHARACTERISTICS OF THE ADÉLIE PENGUIN POPULATION ON BÉCHERVAISE ISLAND ... for the Béchervaise Island Adélie penguin colony in eastern Antarctica after 12 years of monitoring ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 53–74 : Autor(es): Clarke, J., L.M. Emmerson, A. Townsend and K.R. Kerry
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Fish distribution and biomass in the Heard Island zone (Division 58.5.2)
Paper Title: Fish distribution and biomass in the Heard Island zone (Division 58.5.2) Abstract ... / Description: Division 58.5.2 encompasses the southern part of the Kerguelen plateau, and contains Heard ... Island and the McDonald Islands, an Australian Territory around which a 200-mile EEZ has been declared ... . In order to assess the potential of this area for commercial fishing, and to obtain some preliminary ... area, with the proviso that no stratum had less than five trawls. Within each stratum, trawl sites ... were chosen at random by computer, with the minimum distance between sites of 5 n miles. For each ... stratum a list of reserve sites was compiled by the same method, to be used if any of the primary sites ... analysed. where new sites had to be designated. Otherwise, For biological examination of the common one ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 1–20 : Autor(es): Williams, R. and W.K. de la Mare
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TARGET STRENGTH STUDIES ON ANTARCTIC SILVERFISH (PLEURAGRAMMA ANTARCTICUM) IN THE ROSS SEA
floating platform, moored in Ancona Bay, in May 2007 and in February 2009. The same split beam acoustic ... free swimming fish in their natural habitat. A canvassing of the literature suggested that the type of ... study may influence the result. For example, some authors suggested that freezing the fish reduce the ... be several dB higher than in situ (Nakken and Olsen, 1977). On other hand the many factors likely to ...
Meeting Document : SG-ASAM-09/10 : Autor(es): M. Azzali, I. Leonori, I. Biagiotti, A. De Felice, M. Angiolillo, M. Bottaro and M. Vacchi (Italy)
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A statistical method for estimating the level of IUU fishing: application to CCAMLR Subarea 48.3
Paper Title: A statistical method for estimating the level of IUU fishing: application to CCAMLR ... -documented fisheries protection vessel (FPV) cruise data. The method takes explicit account of both ‘seen ... there must have been at least one encounter with an FPV in a year; no encounters in a year are ... interpreted as zero IUU fishing. For each IUU incident detected by the FPV, a theoretical maximum time over ... FPV desde 2001 hasta 2004, no se ha detectado ninguna actividad INDNR, dando como resultado capturas ... in 1999 and 2000 no further incidents were recorded (Table 1). The method used here requires there ... was no increased probability of detection of an IUU vessel with increased overlap between the FPV ... than from licensed vessels, which would tend to lower the encounter rate. Unfortunately there is no ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 119–141 : Autor(es): Agnew, D.J. and G.P. Kirkwood
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Krill population biology during the 1991 Chilean Antarctic krill fishery
them had a TL larger than 45 mm. The size frequency distribution showed no significant differences ... Paper Title: Krill population biology during the 1991 Chilean Antarctic krill fishery Abstract ... during krill fishing operations around the South Shetland Islands on board the Chilean factory vessel ... . The fishing ground was divided into two areas: Area A, north of the South Shetland Islands; and Area B ... distribution showed no significant differences between the three time periods. However, when the sex ... distribution of catches taken during the three different time periods showed no significant differences among ... WG-KRILL-92/33 KRILL POPULATION BIOLOGY DURING THE 1991 ... fishing operations around the South Shetland Islands on board the Chilean factory vessel Kirishima ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 223–235 : Autor(es): Mujica R., A., E. Acuña S. and A. Rivera O.
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A spatial analysis of CEMP data in Area 48 to support work on feedback management in the krill fishery
inter-annual variability of sites in Subreas 48.1 showed an increased level of concordance in the period ... since 2008. Further expert review of the CSIs from individual sites would be helpful in further ... variability as a function of the site location to examine the spatial scale over which CEMP data that have ... been collected at an individual site reflect changes in the marine ecosystem. Correlations between ...
Meeting Document : WG-EMM-16/09 : Autor(es): CCAMLR Secretariat
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Scar group of specialists – Marine living resources of the Southern Ocean
abundance, and (with caution) species and size composition. no good survey method available. The animals ... 14 days for 25-30 mm animals. However, under the conditions of that study there was no increase ... counterparts in terms of number and biomass. There are no autochthonous peoples engaged in hunting in the ... GROUP OF SPECIALISTS MARINE LIVING RESOURCES OF THE SOUTHERN OCEAN 6- 8 OCTOBER, 1975 SCOTT POLAR ...
Document : Site Section: The Organisation
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Conference on the Conservation of Antarctic Marine Living Resources – Canberra – 7–20 May 1980
Parties." No objection to the statement was made. II The Conference on the Conservation of Antarctic ... ° Nothing in this and no acts or activities taking place while the present Convention is in ... ; affect the provision of Article IV, paragraph 2, of the Antarctic Treaty that no new claim~ or ... Depositary shall ca!l such a meeting. If there is no request for a meeting, the Contracting Party submitting ...
Document : Site Section: The Organisation
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Pleuragramma antarcticum distribution in the Ross Sea during late austral summer 2013
Pleuragramm antarcticum, including confirmation of the first known nursery ground in Terra Nova Bay. However ... the central Ross Sea and one location in the far south of the eastern Ross Sea (in the Bay of Whales ... Bay. The most numerous abundances (3400+ in each tow) of larval P. antarcticum were found along the ... . Finally, a unique tow in the Bay of Whales revealed recently hatched P. antarcticum in mid-March ...
Meeting Document : WG-EMM-14/38 : Autor(es): C. Brooks and K. Goetz (USA)