Résultats de la recherche
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Krill, salps and other dominant zooplankton taxa in the Elephant Island area during the 1997 austral summer
Abstract: Results from two net surveys in the Elephant Island area during January-March indicated ... moderate krill abundance and lower recruitment success of the 1995/96 year class relative to that of 1994 ... , resulted from massive population growth during summer. This bloom, as those in previous "salp years ...
Meeting Document : WG-EMM-97/33 : Auteur(s): Puglise, K., Outram, D., Loeb, V.
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BEACH DEBRIS SURVEY AND INCIDENCE OF ENTANGLEMENT OF ANTARCTIC FUR SEALS ARCTOCEPHALUS GAZELLA AT SIGNY ISLAND, SOUTH ORKNEY ISLANDS 2007/2008
, South Orkney Islands. Data are reported for the period 14 November 2007 to 13 March 2008. Three seals ... of 56 items weighing 11 kg, representing an increase from 2006/07 of 11% (by number) and 33% (by mass ... ). There was a decrease in the number of plastic packaging bands with only two found in the current season ... environment remains a problem. The need for continued monitoring to ensure that vessels are aware of, and ...
Meeting Document : WG-FSA-08/26 : Auteur(s): M.J. Dunn and C.M. Waluda (UK)
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The State of Exploited Fish Stocks in the Atlantic Sector of the Southern Ocean in 1988
. The level of conservation measures to be established for the stock is, however, dependent on the ... depleted by the fishery and are in need for conservation measures. P. br. guntheri is the only species for ... first peak years 1969-71 which yielded about 500,000 tonnes in 2 seasons. Since 1975/76 fishing is ... of the 1970s. Simulation studies indicate that the stock size will only double within 10 years time ...
Meeting Document : WG-FSA-88/14 : Auteur(s): K.-H. Kock and F.-W. Köster (FRG)
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Research plan to assess the stock status of Dissostichus spp. in Subarea 48.2
limited to 80 tonnes of Dissostichus spp. in 2013/14. The notification was submitted on 30 April 2013 and ... Abstract: Ukraine has submitted a notification for research fishing over three seasons to assess ... on behalf of Ukraine Title: Research plan to assess the stock status of Dissostichus spp. in Subarea ...
Meeting Document : WG-SAM-13/15 : Auteur(s): Submitted by the Secretariat on behalf of Ukraine
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Fishery Report: Dissostichus eleginoides South Georgia (Subarea 48.3)
assessment and that the results were strongly dependent on the informative priors for the two catchability ... 8.1 Conservation measures 20. The limits on the fishery for D. eleginoides in Subarea 48.3 are ... research fishing), 1 176 and 2 744 tonnes respectively, with an overall catch for SGSR of 3 920 tonnes ... for rajids since 2006/07. An estimate of total mortality was calculated using a linear relationship ...
Document : Site Section: Publications
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Natural fluctuations in the abundance of krill with due regard to global climate changes in the southern hemisphere: forecasting possibilities
the South Ocean in recent years made it possible for scientists to establish a rather clear ... between the strong year-classes of krill and severe winters when the ice-cover extended itself northwards ... constantly both in scientific and commercial fishing gear. Poor year-classes of krill and upsurges in the ... considerably as opposed to the multiannual average level, and late thawing of ice. On the contrary, poor ...
Meeting Document : WG-EMM-98/52 : Auteur(s): K. Shust (Russia)
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Results of the sixth Ross Sea shelf survey to monitor abundance of sub-adult Antarctic toothfish in the southern Ross Sea, January 2017
of toothfish for the core strata showed an increase to the maximum observed in the time series ... . Scaled length frequencies for the core strata indicate the progression of a strong year class that ... larger (large sub-adult and adult) toothfish in two areas (both situated in SSRU 881.M) of importance to ... appears in 2012 progressing through each year, with the appearance of a second strong cohort in 2015. The ...
Meeting Document : WG-SAM-17/01 : Auteur(s): K. Large, L. Robinson and S. Parker
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Spatial and temporal variability in foraging patterns of krill predators at Signy Island and South Georgia
for increasingly long periods and over much greater areas as their offspring develop. Their potential ... commercial fishery for Antarctic krill, Euphausia superba. The criteria used to identify these units are ... described as an example of how they could be used in other locations where the fishery operates. Author(s ... ; we also look to see whether differences are apparent between years. We use this information about ...
Meeting Document : WG-EMM-02/33 Text : Auteur(s): P.N. Trathan, J.L. Tanton, A.S. Lynnes, M.J. Jessopp, H. Peat, K. Reid and J.P. Croxall (United Kingdom)
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Analysis and modelling of the Soviet Southern Ocean krill fleet
/ Description: The first part of this document contains an analysis of data pertaining to the Soviet krill ... support the notion of a “patches within patches” model for the distribution of krill in the southern ... aggregate into swarms of krill. The swarms then aggregate into concentrations, which are the foci for the ... model is developed for a survey vessel that does no fishing, but simply locates concentrations of krill ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 127–235 : Auteur(s): Mangel, M.
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Latitudinal variation of demersal fish assemblages in the western Ross Sea
Abstract: Demersal fishes were sampled using a large fish trawl during two surveys carried out in ... influence this. Species accumulation with sample frequency did not reach an asymptote, but the rate of new ... species was low suggesting data were adequate for describing the main components of the communities. Three ...
Meeting Document : WG-FSA-10/P03 : Auteur(s): M.R. Clark, M.R. Dunn, P.J. McMillan, M.H. Pinkerton, A. Stewart and S.M. Hanchet