Résultats de la recherche
-
AGE ESTIMATION AND LEAD-RADIUM DATING OF ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI)
commercial fishery in the Southern Ocean, yet many of their life history characteristics, including vital ... estimated ages, the radioactive disequilibrium of lead-210 and radium-226 in otolith cores was measured and ... to at least 39 years of age. Estimated and radiometric ages were in close agreement, confirming age ... estimation criteria and an annual periodicity of otolith growth zones. Von Bertalanffy growth function ...
Meeting Document : WG-FSA-08/17 : Auteur(s): C.M. Brooks, A.H. Andrews, J.R. Ashford, G.M. Cailliet, N. Ramanna and C. Lundstrom (USA)
-
GROUNDFISH SURVEY IN CCAMLR SUB-AREA 48.3 IN APRIL 2008 WITH PRELIMINARY ASSESSMENT OF MACKEREL ICEFISH
Abstract: In April 2008 the UK undertook a bottom trawl survey of CCAMLR Sub-Area 48.3 on the FV ... sea-floor areas and adjusting this for the low headline height of the UK trawl (see CCAMLR WG-FSA ... (2003), the biomass of mackerel icefish was estimated to be 80,426 tonnes, with a lower 1-sided 95% CI ... of 30,050. Catch-weighted length frequencies indicated that icefish population was dominated by 2 ...
Meeting Document : WG-FSA-08/28 : Auteur(s): M.A. Collins, R.E. Mitchell, C.E. Main, J. Lawson, J. Watts, J. Slakowski, L. Featherstone and O. Rzewuski (UK)
-
Statement of Conservation Measure 32/x
Author(s): Head of Delegation of the Republic of Korea Title: Statement of Conservation Measure ...
Meeting Document : CCAMLR-X/BG/26 : Auteur(s): Head of Delegation of the Republic of Korea
-
Annual variation in breeding biology of gentoo penguins, (Pygoscelis papua) at Bird Island, South Georgia
Abstract: The breeding biology of the gentoo penguin, Pygoscelis papua, was studied over a three ... -year period (1986-1988) at Bird Island, South Georgia, with particular reference to birds of known age ... later in 1987, when the breeding population decreased markedly. Factors involved in the timing of ... breeding are discussed. Within years egg-laying was highly synchronous: 95% of clutches were initiated in ...
Meeting Document : WG-CEMP-90/38 : Auteur(s): T.D. Williams (United Kingdom)
-
Survey of Antarctic fur seals Arctocephalus gazella in the South Shetland Islands, Antarctica, during the 1986/87 austral summer
Abstract: A survey of Antarctic fur seals in the South Shetland Islands, Antarctica, during the ... recolonization of rookery sites following 19th Century commercial exploitation. Twelve fur seal pupping sites ... were identified, some of which had not previously been reported. The largest pupping sites are at Telmo ... Island and Cape Shirreff, on the north coast of Livingston Island. Total fur seal pup production in the ...
Meeting Document : SC-CAMLR-VI/BG/18 : Auteur(s): J.L. Bengtson, L.M. Ferm (USA), T.J. Härkönen (Sweden), E.G. Schaner and B.S. Stewart (USA)
-
Recent trends in numbers of Crozet shags breeding at the Prince Edward Islands
Abstract: Numbers of Crozet shags Phalacrocorax [atriceps] melanogenis breeding at Marion Island ... were similar trends in numbers breeding and breeding success of gentoo penguins Pygoscelis papua, which ... influenced by food availability. Numbers of Crozet shags breeding at Prince Edward Island approximately ... doubled between the summers of 2001/02 and 2008/09. In 2008/09, some 600 pairs of Crozet shags were ...
Meeting Document : WG-EMM-10/P02 : Auteur(s): R.J.M. Crawford, P.G. Ryan, B.M. Dyer and L. Upfold
-
Spatio-temporal dynamics of the Antarctic krill fishery within fishing hotspots in the Bransfield Strait and South Shetland Islands
Abstract: The present document is an update of document EMM-16/52, presenting refine analysis of ... the krill fishing hotspots and a description of the daily CPUE pattern for the krill fishery. This ... hotspots (FHs), where the fleet took 48 to 57% of the seasonal catch, and are relatively persistent ... spatial distribution of the fleet is modulated by a dome-shaped daily CPUE. When CPUE decreased, the fleet ...
Meeting Document : WG-EMM-18/P11 : Auteur(s): F. Santa Cruz, B. Ernst, J.A. Arata and C. Parada
-
Predator trophic hotspots in the Indian sector of the subantarctic Southern Ocean: how do they overlap with marine protected areas?
Abstract: The Indian sector of the subantarctic region hosts large populations of top predators ... which are listed at various level of vulnerability by the IUCN and which are monitored by several bio ... pelagic species of albatross, penguins and pinnipeds. Merging our analysis with previous results, we find ... ) through a bottom up effect. When mapped on jurisdictions, this network of hotspots appears to be only ...
Meeting Document : WS-SM-18/07 : Auteur(s): M. O’Toole, S. Sergi, A. Baudena, C. Cotté, C. Bost, C. Guinet, H. Weimerskirch, M.A. Hindell, P. Koubbi and F. d’Ovidio
-
List of Italian research projects that contribute to the Research and Monitoring Plan for the Ross Sea region Marine Protected Area
Abstract: This paper provides a summary of research projects led by Italy in the frame of PNRA ... (Italian Programme of Researches in Antarctica) that are relevant to monitoring and research in relation to ... environmental and ecological processes and interactions. The intention of this paper is to present the ... the Ross Sea Region. Author(s): Delegation of Italy Title: List of Italian research projects that ...
Meeting Document : SC-CAMLR-XXXVII/BG/26 : Auteur(s): Delegation of Italy
-
Annual report of research fishing operations at Division 58.4.4b in the 2017/18 fishing season
Abstract: This paper represents the annual report of a multi-member longline survey on Patagonian ... . One fishing cruise by French vessel (Ile Bourbon) took place in March 2018 and caught 1.6 tonne of D ... reporting the quantity of data, samples collected, and results of quick analysis as a progress toward ... (s): Delegations of Japan and France Title: Annual report of research fishing operations at ...
Meeting Document : WG-FSA-18/67 : Auteur(s): Delegations of Japan and France