Résultats de la recherche
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Features of chronology and breeding success of Pygoscelis papua and Pygoscelis adeliae penguins in the Wilhelm Archipelago (CCAMLR Subarea 48.1)
Abstract: We aim to investigate the qualitative changes in the habitats of two most common ... the penguin colonies for observation breeding success of penguins: arrival to colony, copulation, egg ... lay, hatch, and creche, has been applied. This method was introduced for the first time in the ... breeding success of penguins can be used as an indication of the status of lower trophic levels. Future ...
Meeting Document : SC-CAMLR-XXXVII/BG/05 : Auteur(s): I.V. Dykyy, G.P. Milinevsky, O.L. Savitsky, D.G. Lutsenko, P.B. Khoetsky, M.F. Veselsky, V.M. Smagol, A.O. Dzhulay, J.V. Tsaryk, K.M. Nazaruk, A.T. Zatushevsky, A.O. Simon and M.A. Telipska
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Population change in gentoo penguins Pygoscelis papua at South Georgia: potential roles of adult survival, recruitment and deferred breeding
one year, and for part of the differences in two other years, when mortality rates must also have been ... conditions. Comparing model and reality indicates that deferred breeding could account for the discrepancy in ... higher. In the remaining year, when the increase in population greatly exceeded the preceding decrease ... consequences for population trends. Author(s): J.P. Croxall and P. Rothery (United Kingdom) Title: Population ...
Meeting Document : WG-CEMP-93/08 : Auteur(s): J.P. Croxall and P. Rothery (United Kingdom)
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Proposition visant à limiter le nombre de navires dans les pêcheries exploratoires de légine des sous-zones statistiques 88.1 et 88.2
per Member for the two fisheries in Statistical Subareas 88.1 and 88.2. The proposal will help ensure ... responds to a concern raised in the first performance review and will support more effective fisheries ... management, improve vessel safety, and reduce administrative burdens for members and the Secretariat. Author ... responsibility for releasing documents: New Zealand ...
Meeting Document : CCAMLR-38/26 : Auteur(s): Delegation of New Zealand
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Length-age composition of icefish (Champsocephalus gunnari, perciformes, notothenioidei, Channichthyidae) from different locations of South Georgia Island subarea
Ch.gunnari length-age composition structure at early years of life for fish inhabiting areas to the south of ... South Georgia Island Subarea. An analysis of Ch.gunnari length-age groups spatial distribution over ... Eastern, Northern, Western, Southern Island Shelf and near Shag Rocks allowed for revealing similarity of ... Island and near Shag Rocks and finding a difference between those two groups and the eastern group ...
Meeting Document : WG-FSA-00/32 : Auteur(s): Zh.A. Frolkina (Russia)
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Characterisation of the Antarctic polar frontal zone to the north of South Georgia in summer 1994
. The area where these two flows meet was found to be variable over the 30-day timescale of the cruise ... north of the Scotia Sea. Results are presented from an oceanographic transect crossing the PF to the ... estimates for other regions of the PF. Comparisons with output from recent oceanographic models were found ... 30 days suggested that the surface expression of the PF had shifted southward by approximately 35 km ...
Meeting Document : WG-EMM-97/40 : Auteur(s): Brandon, M.A., Trathan, P.N., Murphy, E.J.
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Results of a research survey to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea, February 2012
on depths greater than 500 m. The survey also demonstrated the feasibility of collecting samples for ... . The survey had two main objectives: (i) To establish the feasibility of developing a time series of ... most appropriate depth strata for future annual surveys. The survey demonstrated it is possible to ... survey had an overall c.v. of 9%, which met the target c.v. of 10%. The survey caught mainly 70–110 cm TL ...
Meeting Document : WG-SAM-12/29 : Auteur(s): S.M. Hanchet, S. Mormede, A. Dunn (New Zealand) and H.-S. Jo (Republic of Korea)
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CDS Implementation and Data Analysis
the CDS data was undertaken for 2018 and 2019. Across both years Chile had the greatest number of DCDs ... landings and exports and greatest quantity of exports (4 644 tonnes and 2 539 tonnes). For both years ... the CDS. CDS reports of catches outside the Convention Area have increased in 2018. The Secretariat ... Document Release Consent: Yes Delegation responsibility for releasing documents: CCAMLR Secretariat ...
Meeting Document : CCAMLR-38/BG/10 Rev. 2 : Auteur(s): CCAMLR Secretariat
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Analysis of the sea-ice concentration (SIC) in Subarea 48.6, research blocks 2, 3, 4 and 5 with sea-surface temperature (SST) and statistical models
, where the limit of navigability for fishing vessels is set at 20 % SIC, was calculated. It should become ... , the SIC in 2019 was the highest for the last 4 years (2016-2019). For research block 5, the SIC in ... Abstract: An Analysis of the sea ice concentration (SIC) in research blocks 2,3,4, and 5 of ... subarea 48.6, with sea surface temperature(SST) and statistical models is presented. For research block 4 ...
Meeting Document : WG-SAM-2019/15 : Auteur(s): T. Namba, R. Sarralde, H. Pehlke, K. Teschke, T. Brey, S. Hain, T. Ichii, T. Okuda, S. Somhlaba and J. Pompert
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A meta-analysis of by-catch in the Ross Sea toothfish fishery
) in the index from two groups of Members flagged vessels, that together contribute 84% of the haul by ... Abstract: Following the recommendation of WG-FSA in 2014 the Secretariat has undertaken an ...
Meeting Document : WG-SAM-15/23 : Auteur(s): CCAMLR Secretariat
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Interannual changes in body fat condition, stomach content mass and distribution of minke whales in Antarctic Areas IV and V
the six years included in the study, two were categorized as years of poor body fat condition, and ... Abstract: As an indicator of body fat condition, interannual variability in girth of minke whales ... . In Area V, in a year of high sea-ice extent, the krill-rich slope region in the western zone was ... whales along the ice-edger The Ross Sea zone was an area of low food supply throughout the study period ...
Meeting Document : WG-EMM-97/18 : Auteur(s): Ichii, T., Nishiwaki, S., Tamura, T., Fujise, Y., Matsuoka , K.