Resultados de la búsqueda
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Trophic relations of the cephalopod Martialia hyadesi (Teuthoidea: Ommastrephidae) at the Antarctic Polar Front, Scotia Sea
Abstract: Samples of the squid, Martialia hyadesi, were collected aboard two Japanese squid ... eyes, the lappets on euphausiid first antennule segments and cephalopod sucker rings. The most frequent ... unrecognised food chain: copepod- myctophid- Martialia hyadesi- higher predator, may be an important component ...
Meeting Document : SC-CAMLR-XI/BG/11 : Autor(es): Delegation of United Kingdom
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Cooperation between CCAMLR and CITES
Abstract: Information on cooperation between CCAMLR and CITES for the past three years is ... summarised as background for Commission discussions of a request from the CITES Secretariat to consider ... submission of a report to CITES CoP14 on "illicit trade in toothfish products". Author(s ...
Meeting Document : CCAMLR-XXV/BG/12 : Autor(es): Secretariat
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Acoustic monitoring and evaluation of krill in the Antarctic ecosystem Bransfield Strait and around Elephant Island during ANTAR XXI and XXII, aboard RV Humboldt, Peru
(Euphausia superba) was held on board the BIC Humboldt during scientific campaigns Peru to Antarctica in the ... ; ANTAR XXII: 21 070.62 nm2 with 17 transects).The SIMRAD EK60 scientific echosounder used for ... multifrequency 120 and 38 kHz, respectively. This system is calibrated according to the procedure of ICES. For ... pelagic trawl hauls- Pelagic Engel gear were used for checking acoustic signals (Antar XXI: 9 stations ...
Meeting Document : WG-EMM-16/76 : Autor(es): R. Cornejo, M. Flores and J. Zuzunaga
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Habitat partitioning in Antarctic krill: spawning hotspots and nursery areas
), based on a compilation of all available post 1970s data. Using these maps, we then examined firstly ... extracted data spanning 41 years (1976-2016) from the existing KRILLBASE-abundance and KRILLBASE-length ... shelves along the Scotia Arc. Simple environmental analyses based on water depth and mean water ... direction to that for adults. Such habitat partitioning may reduce intraspecific competition for food, which ...
Meeting Document : WG-EMM-2019/20 : Autor(es): F. Perry, A. Atkinson, S.F. Sailley, G.A. Tarling, S.L. Hill, C.H. Lucas and D.J. Mayor
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Preliminary review of Antarctic toothfish maturity in the Ross Sea
were dominated. Ovaries contain two groups of oocytes of the period of trophoplasmatic growth and large ... condition, and diameter of their large oocytes was 1075- 2331•10-6m in different years. Author(s): S.V ...
Meeting Document : WG-FSA-11/27 : Autor(es): S.V. Piyanova and A.F. Petrov (Russia)
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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 ... , resulted from massive population growth during summer. This bloom, as those in previous "salp years ... moderate krill abundance and lower recruitment success of the 1995/96 year class relative to that of 1994 ...
Meeting Document : WG-EMM-97/33 : Autor(es): 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 : Autor(es): 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 ... 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 ... dependent on the strength of the recruiting yearclass which also forms the bulk of catches in the fishery ...
Meeting Document : WG-FSA-88/14 : Autor(es): 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 : Autor(es): Submitted by the Secretariat on behalf of Ukraine
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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 ... considerably as opposed to the multiannual average level, and late thawing of ice. On the contrary, poor ... generations of krill were formed during the years when the winter position of the ice edge was south of the ... summer during such years of moderate winter in higher surface temperature. Salp occurred in mass ...
Meeting Document : WG-EMM-98/52 : Autor(es): K. Shust (Russia)