Résultats de la recherche
-
Spawning pattern and type of fecundity in notothenioids collected around the Elephant and South Orkney Islands
), respectively; and (iv) the FR tended to be higher when estimates were derived from mature ovaries (range: 5-12 ... group-synchronous ovarian organization, but suggest there may be variables strategies, without ... dismissing is serial spawning, particularly due to the physical limitations that would impose the abdominal ... in autumn and winter, which may be indicative of an either longer spawning season or alternatively is ...
Meeting Document : WG-FSA-16/22 : Auteur(s): G. Plaza, P.M. Arana, F. Becker, A. Zavatteri and V.H. Castillo
-
Research program to examine the life cycle and resource potential of Dissostichus species in the Special Research Zone within the Ross Sea region marine protected area (RSRMPA) in 2017–2027
research program in the frame of the research and monitoring associated with the RSRMPA. Russian research ... continental slope within the Subarea 88.2 A. The tagging toothfish and recapture tagged fishes to be in ... RSRMPA. Proposals include the priority elements for scientific research and monitoring associated with ... the Ross Sea region marine protected area. The research program shall be conducted in the Special ...
Meeting Document : WG-SAM-17/21 : Auteur(s): Delegation of the Russian Federation
-
Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Signy Island, South Orkney Islands, 2002/03
sighting of a seal wearing a neck collar of man-made debris. Data are compared with results from a parallel ... that the number of entangled fur seals had decreased by 67% compared to the previous year, this being ... presence of the entangled seal at Signy, together with the considerable number of seals with neck collars ... at Bird Island, highlights the need for CCAMLR members to continue their campaign to ensure that ...
Meeting Document : SC-CAMLR-XXII/BG/13 : Auteur(s): Delegation of the United Kingdom
-
Competition-induced starvation drives large-scale population cycles in Antarctic krill
that the cycle amplitude increases with reduction of krill loss rates. Thus, a decline of apex ... —exhibits a five to six year population cycle, with oscillations in biomass exceeding one order of magnitude ... . Previous studies have postulated that the krill cycle is induced by periodic climatological factors, but ... models. Here, using data analysis complemented with modelling of krill ontogeny and population dynamics ...
Meeting Document : WG-EMM-18/P05 : Auteur(s): A.B. Ryabov, A.M. de Roos, B. Meyer, S. Kawaguchi and B. Blasius
-
Progress report for the fourth year of the research fishery for Dissostichus spp. in Subarea 48.6 being jointly undertaken by Japan and South Africa in the years 2013–2016
conducted using data mainly from block 486_2. Author(s): S. Somhlaba, R. Leslie, K. Taki, T. Ichii and T ...
Meeting Document : WG-SAM-16/41 Rev. 1 : Auteur(s): S. Somhlaba, R. Leslie, K. Taki, T. Ichii and T. Namba
-
A preliminary assessment for mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2019 random stratified trawl survey
Generalized Yield Model). The 2019 survey showed a large 2+ and 3+ cohort in the population. Catches of 527 t ... in the 2019/20 season and 406 t in the 2020/21 season, respectively, satisfied the CCAMLR decision ...
Meeting Document : WG-FSA-2019/02 : Auteur(s): D. Maschette, G. Nowara and D. Welsford
-
Analysis of seamount-specific catch and tagging data in the Amundsen Sea, SSRU 88.2H
areas. These metrics were also calculated for SSRU 88.2H as a whole. The analyses indicate that: Fish ... is recommended that the stock assessment include only recaptures of tagged fish that have been at ... liberty for less than 2 years, and that data from the Amundsen Sea slope SSRUs (88.2C–G) are included in ... the stock assessment along with 88.2H. Fishing has occurred on almost every seamount in every year ...
Meeting Document : WG-SAM-14/27 : Auteur(s): S.J. Parker (New Zealand)
-
Peculiarities of icefish Champsocephalus gunnari (Channichthyidae) distribution in South Georgia area during the surveys made by STM Atlantida in 2000 and 2002
that pelagic part of the stock permanently existing during the day is not taken into account by bottom ... oceanological conditions, length-age composition of pelagic component may be formed by all size classes. Results ... of the fishery and investigations in Ch. gunnari habitat show that methodology of census surveys does ... quantitative assessment to be made for bottom (bottom net survey) and pelagic (hydroacoustic survey) components ...
Meeting Document : WG-FSA-03/55 : Auteur(s): Zh.A. Frolkina, S.M. Kasatkina and N.N. Zhigalova (Russia)
-
A life table for female Antarctic fur seals breeding at Cape Shirreff, Livingston Island
Abstract: Mark-resight data were analysed for five cohorts (1997-2001) to estimate age-specific ...
Meeting Document : WG-EMM-06/39 : Auteur(s): M.E. Goebel, B.I. McDonald, J.D. Lipsky (USA), V.I. Vallejos, R.A. Vargas, O. Blank (Chile), D.P. Costa (USA) and N.J. Gales (Australia)
-
Distribution and abundance of larval fishes collected in the western Bransfield Strait region, 1986–87
differences appear to be responsible for substantial shifts in species abundance relations between the two ... waters. Individual species demonstrated different distributional patterns suggesting that water mass ... influence, larval depth distribution, and behavioral differences may be involved. Estimated January-March ... but low compared to that of Notothenia gibberifrons (0.12 mm day-1). Author(s): Delegation of USA ...
Meeting Document : SC-CAMLR-VIII/BG/36 : Auteur(s): Delegation of USA