Resultados de la búsqueda
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Results of an acoustic investigation of Antarctic krill, Euphausia superba, biomass-density in the Elephant Island area in January/February 2001
to Feb 4th 2001 are presented. Data were collected with a SIMRAD EK60 Scientific Echo Sounder ... density of 15.32 g/m2 and a standing stock (B0) of 1.7 million tonnes were estimated for the entire area ...
Meeting Document : WG-EMM-02/30 : Autor(es): M.A. Thomasson (Sweden), J.H. Emery (USA), J. Rademan (South Africa), R.P. Hewitt (USA) and B.I. Bergström (Sweden)
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Design of the Italian acoustic survey in the Ross Sea for the Austral summer 2003/04
along a cruise track (about 2500 nm) that gives an uniform density of acoustic, net and CTD samplings ... krill (E. superba) and their main competitive or predator species. Author(s): M. Azzali, A. Sala and S ...
Meeting Document : WG-EMM-02/31 : Autor(es): M. Azzali, A. Sala and S. Manoukian (Italy)
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Preliminary analysis on the Kerguelen shelf icefish Champsocephalus gunnari stock from 1996/97 to 2001/02: no evidence in the recovery!
an increasing of the icefish’s abundance in the surveyed area and biomass seems very low. It is a ... not clearly explained and various hypothesis are proposed: no recovery in a too depleted stock, bad ...
Meeting Document : WG-FSA-02/65 : Autor(es): G. Duhamel and J. Claudet (France)
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Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)
, and 46 cm TL, respectively. These estimates agree with growth curves calculated previously from a ... the otoliths of D. mawsoni appears to be a valid method for determining the age of this species ...
Meeting Document : WG-FSA-02/33 : Autor(es): P.L. Horn, C.P. Sutton (New Zealand) and A.L. DeVries (USA)
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Poor breeding success of the Adélie penguin at Béchervaise Island in the 1998/99 season
Island during 1998-99, a season of high chick mortality. One thousand nests perished in the three weeks ... following first hatch, when the chicks were very small. A total of 802 chicks reached crèche age from 1880 ...
Meeting Document : WG-EMM-99/25 : Autor(es): L. Irvine, J.R. Clarke and K.R. Kerry (Australia)
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Interannual variability of the South Georgia marine ecosystem: biological and physical sources of variation in the abundance of krill
Abstract: Interannual variability is a characteristic feature of the Southern Ocean ecosystem yet ... . There is now extensive evidence that there are years when there is a very low abundance of Antarctic ...
Meeting Document : WS-AREA 48-98/8 : Autor(es): E.J. Murphy, J.L. Watkins, K. Reid, P.N. Trathan, I. Everson, J.P. Croxall, J. Priddle, M.A. Brandon, A.S. Brierley (UK) and E. Hofman (USA)
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Review of activities in monitoring marine debris in the CAMLR Convention Area
in 2010. The reported hook loss from the longline catch and effort data shows that while it is a ... small percentage of the total hook set, it is a considerable amount of gear that is lost in the water ...
Meeting Document : WG-IMAF-11/04 Rev. 1 : Autor(es): Secretariat
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PREDICTING THE VULNERABILITY OF BENTHIC, HABITAT-FORMING ORGANISMS TO DISTURBANCE USING LIFE-HISTORY CHARACTERISTICS
characteristics. A global database of life-history characteristics, including growth rate, age, maximum size and ... Ocean. Furthermore, many deep or cold-water species brood their offspring, a trait correlated with low ...
Meeting Document : WG-EMM-09/35 : Autor(es): K. Martin-Smith (Australia)
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EVALUATION OF VME TAXA MONITORING BY OBSERVERS FROM FIVE VESSELS IN THE ROSS SEA REGION ANTARCTIC TOOTHFISH LONGLINE FISHERIES DURING THE 2008-09 SEASON
classified invertebrate bycatch using new protocols and a new VME taxa classification guide, and retained ... to the VME taxa classification guide, and specific observer training, should permit a robust dataset ...
Meeting Document : TASO-09/08 : Autor(es): Carter, M., Parker, S.J., Mormede, S., Tracey, D.M.
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USING GENETIC CONNECTIVITY TO IDENTIFY VULNERABLE MARINE ECOSYSTEMS (VMES) IN ANTARCTICA – THE ISSUE OF SCALE
facilitated by distance and deep-water barriers. A number of organisms exhibited genetic homogeneity within ... Antarctic Peninsula, where the Bransfield Strait may represent a distinct region. If representative ...
Meeting Document : WS-VME-09/06 : Autor(es): Wilson, N.G.