Resultados de la búsqueda
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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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Progress report on the scientific data compilation and analyses in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica)
Abstract: This progress report represents a follow up of WG-EMM-13/22 (WG-EMM, Jul 2013 ... Working Group on Ecosystem Monitoring and Management on the actual state of our project, particularly on ... the proceeds of the data acquisition process and the preliminary scientific analysis. In addition, we ... present the report of the International Expert Workshop on the Weddell Sea MPA project (7-9 April 2014 ...
Meeting Document : WG-EMM-14/19 : Autor(es): K. Teschke, K. Jerosch, H. Pehlke and T. Brey (Germany)
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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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CCAMLR process of risk assessment to minimise the effects of longline fishing mortality on seabirds
Abstract: We describe the process used in the fisheries management system of the Convention for ... the Conservation of Antarctic Marine Living Resources (CCAMLR) to minimise seabird bycatch, and the ... risk assessment methodology developed to assist this. We examine the progress of several Regional ... system of management among the RFMOS covered in this review, and has made the most demonstrable progress ...
Meeting Document : WG-FSA-07/P2 : Autor(es): S.M. Waugh, G.B. Baker, R. Gales and J.P. Croxall (Mar. Pol., in press)
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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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An examination of latitudinal variation in the growth rates of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea
Abstract: Following a finding that a small sample of aged Dissostichus mawsoni from McMurdo Sound ... conducted. Length-at-age of Dissostichus mawsoni was compared across five zones in a 15.5° latitudinal range ... (62.5°–78.0° S). Between-zone comparisons were confounded by marked differences in the age structure of ... catches from the northern and southern sections of the range, and by the relatively high level of variance ...
Meeting Document : WG-FSA-03/30 : Autor(es): P.L. Horn (New Zealand)
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The diet of the Antarctic fur seal Arctocephalus gazella at Harmony Point, South Shetland Islands: evidence of opportunistic foraging on penguins?
Abstract: The diet of non-breeding male Antarctic fur seals Arctocephalus gazella was ... investigated at Harmony Point, Nelson Island, South Shetland Islands, by the analysis of 523 scats collected ... from January to March 2001 and 2002. The composition of the diet was diverse and both, pelagic and ... ), cephalopods (mainly squids) and gastropods. Among fish, Myctophids represented 86.5% and 65.8% of the fish ...
Meeting Document : WG-EMM-02/11 : Autor(es): R. Casaux, L. Bellizia and A. Baroni (Argentina)
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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)