Résultats de la recherche
-
RESULTS OF THE RESEARCH PROJECT TO DIGITIZE HISTORICAL SOVIET KRILL FISHING EXPEDITION DATA
Abstract: The research project to digitize former Soviet krill fishing research, exploratory and ... commercial expedition’s data has been realized in Ukraine at the Southern Research Institute of Marine ... Fisheries and Oceanography of the Ukraine State Fishery Committee and at the Taras Shevchenko National ... expeditions in Southern Ocean between the years of 1972-1991. The main purpose of these expeditions was to ...
Meeting Document : CCAMLR-XXVIII/BG/18 : Auteur(s): Delegation of Ukraine
-
DEVELOPMENT OF SPATIALLY EXPLICIT AGE-STRUCTURED POPULATION DYNAMICS OPERATING MODELS FOR ANTARCTIC TOOTHFISH IN THE ROSS SEA
operating models for Antarctic toothfish in the Ross Sea. The operating models consider both a coarse-scale ... and fine-scale spatial resolution and consider scenarios where abundance can be present over the ... entire Ross Sea region or constrained to areas where the fishery has operated. The models represent ... other factors to quantify risk and uncertainties for management of the Ross Sea Antarctic toothfish ...
Meeting Document : WG-SAM-09/18 : Auteur(s): A. Dunn, S. Rasmussen and S. Hanchet (New Zealand)
-
Fish and squid in the diet of king penguin chicks, Aptenodytes patagonicus, during winter at sub-Antarctic Crozet Islands
Abstract: The diet of king penguins, Aptenodytes patagonicus, rearing chicks was studied during ... three consecutive austral winters (1990, 1991 and 1992) at Crozet Islands. The mean stomach content mass ... of the 47 samples was 503 g. Percentages of wet and reconstituted masses showed that both fishes (66 ... and 36%, respectively) and squid (34 and 64%) are important components of the winter diet. Juveniles ...
Meeting Document : WG-EMM-97/09 : Auteur(s): Cherel, Y., Ridoux, V., Rodhouse, P.G.
-
Analysis of the diet of Champsocephalus gunnari in Subarea 48.3, in late summer of years 1994–97, Dr E. Holmberg surveys
Abstract: The diet composition of mackerel icefish Champsocephalus gunnari caught in Subarea 48.3 ... ;Q" (%) methods. Krill (Euphausia superba) followed by the amphipod hyperiid Themisto ... gaudichaudii was the main food item around South Georgia and Shag Rocks in the period investigated, except in ... 1994, when the order of importance of these two organisms in the diet was inverted. The consumption of ...
Meeting Document : WG-FSA-97/48 : Auteur(s): Barrera-Oro, E., Marschoff, E., Casaux, R.
-
An underwater setting method for surface longliners, to minimise the accidental/incidental capture of seabirds
Abstract: The accidental/incidental capture of seabirds by longline gear may be causing a ... significant decline in the numbers of some species (most notably albatross Diomedea sp) in the Southern Oceans ... . In response to the sea bird problem, the New Zealand Department of Conservation funded a programme in ... are reported in this document. One with the tube opening facing forward was unsuccessful,in flushing ...
Meeting Document : WG-FSA-97/53 : Auteur(s): Walshe, K.A.R., Parnes, P.
-
Research plan for the 2016/17 exploratory longline fishery of Dissostichus spp. in Subarea 48.6 by South Africa and Japan
Abstract: South Africa and Japan made the next season’s (2016/17) research plan in Subarea 48.6 ... using the updated CCAMLR C2 and Observer data. We have firstly checked data quality and found some ... abnormal data for the two vessels in block 48.6_2, therefore we removed the data for the current analysis ... . We investigated the biological features of D. mawsoni using Observer data. The geographical ...
Meeting Document : WG-SAM-16/07 : Auteur(s): Delegations of Japan and South Africa
-
Long term movements and activity patterns of an Antarctic marine apex predator: the leopard seal
ecosystems through local predation. Here we report on the successful use of micro geolocation logging sensor ... tags to track the movements, and activity, of four leopard seals for trips of between 142-446 days ... including one individual in two separate years. Whilst the sample size is small the results represent an ... advance in our limited knowledge of leopard seals. We show the longest periods of tracking of leopard ...
Meeting Document : WG-EMM-18/P09 : Auteur(s): I.J. Staniland, N. Ratcliffe, P.N. Trathan and J. Forcada
-
Development of the Southern Ocean Continuous Plankton Recorder survey
Abstract: The Continuous Plankton Recorder (CPR) Type I was first used in Antarctic waters during ... the 1925–1927 Discovery Expedition, and has been used successfully for 70 years to monitor plankton in ... the North Sea and North Atlantic Ocean. Sixty-five years later the CPR as a Type II version returned ... to Antarctic waters when the Australian Antarctic Division initiated a survey of the Southern Ocean ...
Meeting Document : WS-BSO-07/P4 : Auteur(s): Hosie, G., M. Fukuchi and S. Kawaguchi
-
Population dynamics of the wandering albatross Diomedea exulans at Marion Island: long-line fishing and environmental influences
Abstract: The subantarctic Prince Edward Islands (Marion and Prince Edward) support the largest ... breeding population of the Vulnerable wandering albatross Diomedea exulans. The numbers of birds breeding ... in the Marion Island population has fluctuated over the past three decades and appears to be the ... result of both real changes in the size of the population and changes in the proportion of the population ...
Meeting Document : WG-EMM-03/11 : Auteur(s): D.C. Nel, F. Taylor, P.G. Ryan and J. Cooper (South Africa)
-
Is our attempt to estimate biomass of Antarctic fish from a multi-species survey appropriate for all targeted species? Notothenia rossii in the Atlantic Ocean sector – revisited
Abstract: Notothenia rossii was the first target species of the fishery in the Southern Ocean ... . The species has been heavily fished at the beginning of the 1970’s. The closure of the fishery for ... this species was one of the first conservation measures CCAMLR adopted in 1985. Fish biomass within a ... . rossii at the same time. These surveys are conducted under the assumptions that the target fish species ...
Meeting Document : WG-FSA-03/12 : Auteur(s): K.-H. Kock (Germany), M. Belchier (United Kingdom) and C.D. Jones (USA)