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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Brief report of the joint Soviet-Australian expedition of the USSR FRV Professor Mesyatsev to the Australian fishing zone around the territory of Heard and McDonald Islands, May-August, 1987
Heard were favourable for the formation of commercial aggregations of Champsocephalus gunnari during the ... not less than two months previously). The maturity of these fish was assigned to stage VI-III for ... , Beverton and Holt model for the Kerguelen Archipelago Shelf population of C. gunnari which equals 30 ... ), and 26 bottom trawls were made in an area on the Heard Island shelf where an accumulation of ... . Environmental conditions of the shelf area of Heard were favourable for the formation of commercial ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 75-103 : Auteur(s): Gherasimchook, V.V., V.N. Brodin, A.V. Kljausov, I.B. Russelo, P.V. Tishkov and N.B. Zaremba
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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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WG-EMM-00
Towards an ecosystem status assessment for South Georgia ‘Variability of Southern Ocean Ecosystems ... -00/1 Provisional Agenda and Provisional Annotated Agenda for the 2000 Meeting of the Working Group on ... data from ecosystem monitoring for managing fisheries: development of statistical summaries of indices ... -Antarctic seabirds (prepared for the SCAR Bird Biology Subcommittee and SC CAMLR) Working draft as of June ...
Meeting
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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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e-sc-xxviii-a8.pdf
... collated the current CCAMLR protocols for the component parts of the production of an estimate of krill B0 ... needs for acoustic instrumentation in the Antarctic 62. Dr L. Andersen (Norway) provided an overview ... WGFAST meetings. For example, this year, approximately half of the participants including one of the Co ... . 2004. An estimate of error for the CCAMLR 2000 survey estimate of krill biomass. Deep-Sea Res. II
application/pdf attached to:SG-ASAM-09Meeting Report : SG-ASAM-09
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Modelling and decision making as part of the CCAMLR management regime
horizons, time steps, constraints and data) were identified in an attempt to provide a blueprint for the ... environment essential for the effective management of the Antarctic marine ecosystem within the requirements ... formulation of a suitable decision-making protocol for management purposes. File: 16-Miller.pdf ... of CCAMLR Article II. Eight attributes (purpose, description, variables, driving forces, time ... data) were identified in an attempt to provide a blueprint for the development of suitable ... , for example in order to rebuild some other predator (e.g. whales) population to an acceptable ... each model scenario, it enables us to design an appropriate holistic model suite. For example, an ... fishing. 5 years. 1 year unless there is a seasonal influence ·on the population. Data limited ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 295-322 : Auteur(s): Miller, D.G.M.
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Feeding patterns of nine species of Antarctic fish and assessment of their daily food consumption
: Nototheniidae (four species), Channichthyidae (three species) and Bathydraconidae (two species). The study ... be about five times their body weight. File: 20-Pakhomov-and-Tseitlin.pdf ... fish species in Antarctic waters. The aim of this study is to collect information on the feeding ... concentrated on analysing the food composition of these species to find out their daily diet. One 36-hour ... time of T90 (evacuation time): (3) Evacuation time is from two to five days for Antarctic fish ... respectively. Daily food consumption for each fish species was calculated for two values of T90: 48 and 72 ... food items for Chionodraco hamatus and Cryodraco antarcticus were first-year matured C. wilsoni (SL=17 ... benthophages is no less than two or three days, while for predatory and euryphages digestion takes no less ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 321–333 : Auteur(s): Pakhomov, Y.A. and V.B. Tseitlin
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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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A preliminary assessment of age and growth of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea, Antarctica
derived for both sexes combined are: L ∞ 22.1 cm SL; K 0.167 y –1; t 0 –0.4 years. Parameter estimates ... were also derived for the sexes separately. Female Antarctic silverfish appear to reach a larger size ... about two-thirds of the sampled fish could not be sexed. Precision estimates and age bias plots ... -growing with a moderate longevity; the maximum estimated age was 14.3 years. Von Bertalanffy parameters ... agefrequency histogram for 304 Antarctic silverfish sampled from the Ross Sea. 0 10 20 30 40 50 1 2 3 4 ... cognition due to being stored frozen for almost two years. SL has been used for all analyses as caudal ... measured fresh on board and again after one year stored frozen at –20°C did not differ in length. Von ... 25 0 3 6 9 12 15 Age (years) St an da rd le ng th (c m ) 0 5 10 15 20 25 0 3 6 9 12 ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 75–86 : Auteur(s): Sutton, C.P. and P.L. Horn