Resultados de la búsqueda
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History of development and completion of tasks put forward by WG-EMM (2001/02)
Abstract: A history of development and completion of tasks put forward by WG-EMM is summarised ... records since the adoption by WG-EMM in 2001 of a new five-year plan of work. A history of tasks for the ... period from 1995 to 2001 is archived in WG-EMM-02/12. Author(s): Secretariat Title: History of ... development and completion of tasks put forward by WG-EMM (2001/02) Approval: Approved ...
Meeting Document : WG-EMM-03/23 : Autor(es): Secretariat
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Standing stock, biology, diet and spatial distribution of demersal finfish from the 2003 US AMLR bottom trawl survey of the South Shetland Islands (Subarea 48.1)
bottom trawl surveys of the South Shetland Islands (Subarea 48.1) during the 1998, 2001, and 2003 austral ... demersal finfish species have remained relatively consistent across all surveys. Shelf regions of ... important feeding areas lie to the west and north of Elephant Island and to the north of King George Island ... greater than 200 meters. Estimates of total stock biomass from these surveys were computed for eight ...
Meeting Document : WG-FSA-03/38 : Autor(es): C.D. Jones (USA), K.-H. Kock, (Germany), J. Ashford, A. DeVries, K. Dietrich (USA), S. Hanchet (New Zealand), T. Near, T. Turk (USA) and S. Wilhelms (Germany)
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Examination of the gut contents of Patagonian toothfish (Dissostichus eleginoides) from the toothfish pot fishery trials around South Georgia
CCAMLR, an understanding of the trophic relationships of exploited species is vital. Toothfish ... the trophic relationships of this species, stomach analyses were performed on individuals caught ... individuals were examined and their stomach contents identified. The proportion of individuals found with ... sizes. This was hypothesised to result from fish caught in pots suffering reduced levels of trauma. The ...
Meeting Document : WG-FSA-00/25 : Autor(es): G. Pilling, T. Daw, M. Purves, D. Agnew and J. Xavier (United Kingdom)
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Some data pertaining to the distribution of Antarctic toothfish juveniles (Dissostichus mawsoni) in the Indian sector of the Antarctic
Abstract: Available in YugNIRO data concerning distribution of Antarctic toothfish juveniles in ... the Indian Sector of the Antarctic are used in the paper. In the summer period of the southern ... hemisphere (January–March) juveniles of D. mawsoni with size from 4–9 to 30–75 cm were regularly registered ... in catches of bottom and pelagic midwater trawls in all the studied continental seas from 12 to 144°E ...
Meeting Document : WG-FSA-97/19 : Autor(es): Roshchin, E.A.
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Can the length composition of krill in predator diets provide information on the age-dependence of krill natural mortality?
of krill is split between predator species. This method uses data on the length distribution of krill ... schedule of krill natural mortality at age. In principle, such a method would allow inferences about this ... predator abundance and food consumption studies. Some results of the method are put forward purely for ... illustrative purposes. Further discussions about the practicalities of obtaining reliable estimates of the ...
Meeting Document : WG-EMM-95/40 : Autor(es): Thomson, R.B., Butterworth, D.S.
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Features of growth of young Weddell seal
Abstract: Features of behavior, birthing process, pups nursing of Weddell seals were studied ... . Studies of the growth (at birth to 21 days age) of young seals were conducted. Seven seals born in the ... every three days. The live weight was determined by using the obtained data in different periods of ... : Features of growth of young Weddell seal Approval: Approved ...
Meeting Document : WG-EMM-12/21 : Autor(es): A. Salhanskyy (Ukraine)
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Precision of growth band determination from eyestalk sections of Antarctic krill (Euphausia superba) preserved in formalin
feedback management of krill fisheries. Samples stored in 70% ethanol provide an opportunity to detect the ... growth bands of eyestalk sections. Moreover, information derived from samples preserved in formalin will ... common in previous decades. Out of 162 Antarctic krill individuals preserved in 5% formalin, the growth ... bands from eyestalk sections of 134 samples were readable. The relationship between the total length and ...
Meeting Document : WG-EMM-18/P16 : Autor(es): G.P. Zhu, Y. Yang, Q. Song and H.T. Zhang
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The importance of sea ice association of Antarctic krill for transport and retention in the South Orkneys region: a modelling study
Abstract: The South Orkney Islands region is a key location for understanding the distribution of ... the local ecosystem dynamics in this key region requires greater understanding of the extent to which ... krill- sea ice interactions influence the local distribution and retention of krill. Here we present ... results from a modelling study that suggest that the use of the sea ice habitat by krill affects the ...
Meeting Document : WG-EMM-2019/21 : Autor(es): S.E. Thorpe, E.F. Young, E.J. Murphy and A.H.H. Renner
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RESEARCH PLAN AND RESULTS OF PRELIMINARY OBSERVATION ABOUT THE POSSIBILITY OF ANTARCTIC KRILL ESCAPEMENT FROM A TRAWL NET
on a trawl net of a Japanese commercial trawler, and started observation to collect video images of ... krill passage through the rope and netting parts of the trawl net. Preliminary examination of video ... images obtained via satellite-linked transmission indicated very low incidence of krill escapement from ... AND RESULTS OF PRELIMINARY OBSERVATION ABOUT THE POSSIBILITY OF ANTARCTIC KRILL ESCAPEMENT FROM A ...
Meeting Document : WG-EMM-11/36 : Autor(es): K. Fujita and S. Hasegawa (Japan)
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Estimation of the incidental capture of seabird species in commercial fisheries in New Zealand waters, 2002/03
Abstract: Ministry of Fisheries observers reported 595 seabird captures from observed fishing ... operations (95% dead). The trawl-caught seabirds were from at least eight target fisheries, four of which had ... ) trawl fisheries accounted for 87% of observed trawl-caught seabirds. Incident rates (expressed as the ... percent of observed fishing operations with seabird captures) for longline fisheries in 2002–03 were ...
Meeting Document : WG-FSA-04/57 : Autor(es): S.J. Baird (New Zealand)