Search results
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Distribution and population structure of Dissostichus eleginoides and D. mawsoni on BANZARE Bank (CCAMLR Division 58.4.3b), Indian Ocean, Antarctic
fishing season. D. eleginoides was mainly caught in the shallower bank <1000 m, while D. mawsoni was ... mainly caught in the deeper slope >1500 m. The separation of the two species by depths may be related ... in D. eleginoids, while the size structure was very similar among fishing seasons and showed the ... unimodal distribution in D. mawsoni. D. eleginoides showed resting stage in sexual maturity, while D ...
Meeting Document : WG-FSA-10/47 : Author(s): K. Taki, M. Kiyota, T. Ichii and T. Iwami (Japan)
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Distribution and population structure of Dissostichus eleginoides and D. mawsoni on BANZARE Bank (CCAMLR Division 58.4.3b), Indian Ocean, Antarctic
fishing season. D. eleginoides was mainly caught in the shallower bank <1000 m, while D. mawsoni was ... mainly caught in the deeper slope >1500 m. The separation of the two species by depths may be related ... in D. eleginoids, while the size structure was very similar among fishing seasons and showed the ... unimodal distribution in D. mawsoni. D. eleginoides showed resting stage in sexual maturity, while D ...
Meeting Document : WG-SAM-10/16 : Author(s): K. Taki, M. Kiyota, T. Ichii and T. Iwami (Japan)
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Acoustic and catch data collected by the fleet – relevance for feedback management
Abstract: The Norwegian fishing vessels involved in krill fisheries are also used to carry out ... logging also during periods of commercial fishing. In this paper we give an overview of the properties of ... these data and demonstrate potential applications for example to extract information on changes in ... distribution over time in a single season. Vertical distributions inside and outside the fishing area change ...
Meeting Document : WG-EMM-15/13 : Author(s): O.R. Godø, T. Klevjer and G. Skaret (Norway)
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Results of the first winter longline survey to the northern Ross Sea region to investigate toothfish reproductive life history
Abstract: The first winter longline survey of Antarctic toothfish in the northern Ross Sea region ... was successfully completed during June and July 2016. A total of 55 longlines sets were completed in ... . Spawning and spent Antarctic toothfish were captured late in the survey on undersea features to the ... northwest of stratum 1. Gonad staging and gonadosomatic indices suggest that males in spawning condition may ...
Meeting Document : WG-FSA-16/37 : Author(s): D. Stevens, D. Di Blasi and S. Parker
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Proposals on standardization of toothfish resource research
discussed in the context of discussion at the Scientific Committee and the CCAMLR Commission in 2018 ... regarding the longline survey methodology in Division 58.4.1. It is shown that the methodology of modern ... mandatory for all ships participating in the survey. At the same time, methodological aspects of the multi ... -year international research program implemented in Subdivision 58.4.1., such as the lack of ...
Meeting Document : WG-SAM-2019/34 : Author(s): S. Kasatkina
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CCAMLR conservation measures: a review
living resources. The first measure was introduced in 1984, and the number of measures in force each year ... has grown rapidly since that time; 61 measures were in force in 2000/01. The majority of conservation ... measures focus on the management of fisheries and related activities, and most of these measures are in ... management elements were identified in the set of fishery conservation measures adopted by the Commission ...
Meeting Document : CCAMLR-XX/BG/04 : Author(s): Secretariat
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Analysis of krill trawling positions north of the South Shetland Islands (Antarctic Peninsula area), 1980/81–1999/2000
/81 to 1999/2000 seasons in the area to the north of South Shetland Islands were analyzed in relation ... in the early 1980’s, along the shelf slope in the mid- to late 1980’s, and were highly variable, from ... the shelf across to the outer shelf in the early to late 1990’s. Intra-annual variation of trawling ... positions showed a general pattern starting from the outer shelf, and proceeded towards the shelf later in ...
Meeting Document : WG-EMM-01/35 : Author(s): S. Kawaguchi and K. Segawa
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Comparison of the diet of the blue-eyed shag Phalacrocorax atriceps by the analysis of pellets and stomach contents
Abstract: A total of 45 pellets from the blue-eyed shag Phalacrocorax atriceps were collected in ... diet, but Harpagijer antarcticus was the most frequent and important fish in number. The prey ... represented in the pellets were consistent with those observed in stomach contents sampled simultaneously in ... the same colony; however, they differed in importance. A daily mean of 0.7 pellets per bird was ...
Meeting Document : WG-EMM-95/79 : Author(s): Silva, P., Coria, N., Favero, M., Casaux, R.
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Some principles for fisheries regulation from an ecosystem perspective
Abstract: The paper discusses some principles to be considered in the formulation of a framework ... Conservation of Antarctic Marine Living Resources. An important task in this formulation is to derive ... principles of conservation set out in the Convention. An important property required for subsiduary ... objectives is that they are framed in terms of quantities which can be robustly estimated. thus allowing the ...
Meeting Document : SC-CAMLR-V/BG/13 : Author(s): Delegation of Australia
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Beach debris survey – Main Bay, Bird Island, South Georgia 1996/97
revealed a total of 289 items, 60 % less than in the two previous years. Of the total number of items, 62 ... collection exceeded the winter. Nylon line, identical to that used in longline gear, accounted for 57 % of ... packaging bands being in force since 1994/95 their occurrence in debris surveys indicates their continued ... use. The reduction in man-made debris compared to the two previous years may reflect a reduction in ...
Meeting Document : CCAMLR-XVII/BG/7 : Author(s): Delegation of the United Kingdom