Resultados de la búsqueda
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THE AUSTRALIAN SKATE TAGGING PROGRAM AT HEARD ISLAND AND MCDONALD ISLANDS, CCAMLR DIVISION 58.5.2
Abstract: Tagging of the three species of skates taken as by-catch in the Heard Island and ... McDonald Islands toothfish fishery, Bathyraja eatonii, B. irrasa and B. murrayi has taken place over the ... last eight years with nearly 6,000 skates tagged. The recapture rate has been low, less than one ... percent. Movement after tagging shows that these fish are recaptured only short distances from where they ...
Meeting Document : WG-FSA-08/55 : Autor(es): G.B. Nowara and T. Lamb (Australia)
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Preliminary observation about the possibility of Antarctic krill escapement from a trawl net
Abstract: We observed whether Antarctic krill escaped from the trawl net or not using an ... underwater video camera attached on the trawl net of Japanese commercial trawler Fukuei-maru (4,350.62 GT) in ... 2011. To avoid the influence of camera lighting on krill behavior, the observation was conducted during ... daytime. Few krill appeared to escape from posterior part of trawl net. When the trawl net caught dense ...
Meeting Document : WG-EMM-12/66 : Autor(es): K. Fujita and S. Hasegawa (Japan)
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Research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Division 58.4.3a
otoliths and gonads to clarify migration route and associated life stages of the fish. To this end, we ... Abstract: The current season (2014/15) is the final one of the first three-season research which ... began in 2013 in data-poor fisheries. In the present report, catch, effort and biological data recorded ... by all effective vessels were analyzed for the improvement of stock assessment in the research blocks ...
Meeting Document : WG-SAM-15/03 : Autor(es): Delegation of Japan
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Research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Division 58.4.2
. To this end, we propose to follow the current research style in the current research blocks for the ... Abstract: The current season (2014/15) is the final one of the first three-season research which ... began in 2013 in data-poor fisheries. In the present report, catch, effort and biological data recorded ... by all effective vessels were analyzed for the improvement of stock assessment in the research blocks ...
Meeting Document : WG-SAM-15/04 : Autor(es): Delegation of Japan
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Research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Division 58.4.1
associated life stages of the fish. To this end, we propose to follow the current research style in the ... Abstract: The current season (2014/15) is the final one of the first three-season research which ... began in 2013 in data-poor fisheries. In the present report, catch, effort and biological data recorded ... by all effective vessels were analyzed for the improvement of stock assessment in the research blocks ...
Meeting Document : WG-SAM-15/05 : Autor(es): Delegation of Japan
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Foraging movements of the shy albatross Diomedea cauta breeding in Australia; implications for interactions with longline fisheries
to decrease as eggs approached hatching. Adults which were tracked near the end of the breeding ... Abstract: Satellite telemetry was used to identify the foraging zones of Shy Albatrosses Diomedea ... Branca to the south) to assess their level of interaction with longline fisheries. Adult birds from both ... colonies fed locally both in and outside the breeding season. Breeding birds from Albatross Island foraged ...
Meeting Document : WG-FSA-98/33 : Autor(es): N. Brothers, R. Gales, A. Hedd and G. Robertson (Australia)
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Foraging movements of the shy albatross Diomedea cauta breeding in Australia; implications for interactions with longline fisheries
to decrease as eggs approached hatching Adults which were tracked near the end of the breeding season ... Abstract: Satellite telemetry was used to identify the foraging zones of Shy Albatrosses Diomedca ... Branca to the south) to assess their level of interaction with longline fisheries. Adult birds from both ... colonies fed locally both in and outside the breeding season. Breeding birds from Albatross Island foraged ...
Meeting Document : WG-FSA-97/52 : Autor(es): Gales, R., Hedd, A., Brothers, N., Robertson, G.
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Revised assessment models for Patagonian toothfish in research block 58.4.3a_1 of Division 58.4.3a, Elan Bank for the years 2005–2014
CCAMLR risk 2 values at 13 tonnes and above for the shallow fishery exceed 50% toward the end of 35 year ... 300 m) CASAL models for stock status assessments of Dissostichus eleginoides in the research block ... 58.4.3a_1 following the recommendations of the last WG-SAM meeting. Total of four runs were carried out ... . Among them three runs were carried out using the latest information on age-length relationship in this ...
Meeting Document : WG-FSA-15/22 : Autor(es): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)
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REVISED AGE AND GROWTH ESTIMATES FOR ANTARCTIC STARRY SKATE, AMBLYRAJA GEORGIANA, FROM THE ROSS SEA
Abstract: A previous study on the age and growth of Amblyraja georgiana in the Ross Sea suggested ... that these skates initially grow very rapidly for about five years, after which growth almost ceases ... that is radically different from the published interpretation. By counting fine growth bands in the ... –37 years compared with 14 years). Several pieces of circumstantial evidence support the new ...
Meeting Document : WG-FSA-08/21 : Autor(es): M.P. Francis (New Zealand) and M.J. Gallagher (Ireland)
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Feasibility of lead-radium dating the otoliths of blackfin icefish (Chaenocephalus aceratus) and ocellated icefish (Chionodraco rastrospinosus)
arbitrary target core weight of 0.01 g, near the low end of the range used in this study. It is recommended ... otoliths from these fishes were small and the number of otoliths available low, a whole otolith application ... was necessary as a first look at lead-radium levels. The application was successful as a first step in ... determining the parameters of future applications that would lead to a validation of age. In the current study ...
Meeting Document : WG-FSA-10/17 : Autor(es): A.H. Andrews, M. La Mesa and J. Ashford (USA)