Résultats de la recherche
-
Spatial and temporal distribution patterns of acoustic backscatter in the New Zealand sector of the Southern Ocean
: Approved Secretariat Workflow Status: Content Approved Delegation responsibility for releasing documents ... transects collected between 2008 and 2014. Mean acoustic backscatter (s a) at 38 kHz varied between years ... also reflect differences in species composition and size distribution; consequently, indices based on ... MTLO and have impacts on top predators relying upon the mid-trophic level as their main food source ...
Meeting Document : WG-EMM-18/P06 : Auteur(s): P.C. Escobar-Flores, R.L. O’Driscoll and J.C. Montgomery
-
Summary of Ross Sea skate tagging programme results
not be determined, so no useful data were gathered for estimating skate growth rates. Amblyraja ... liberty for skates at liberty more than nine months. It appears that this species makes only small-scale ... years, and 47 (0.5%) have been recaptured. The recapture of tagged Amblyraja georgiana after up to four ... years at liberty shows that some skates survive and recover from being hauled out of depths of around ...
Meeting Document : WG-FSA-06/32 : Auteur(s): S.L. Ballara, A. Dunn and M.P. Francis (New Zealand)
-
By-catch of juvenile fishes – the Antarctic krill fishery
together with the massive antarctic krill exploitation during the 80's. There has been recognized ...
Meeting Document : WG-FSA-96/18 : Auteur(s): Moreno, C.A.
-
EMM-12_SAM-12_detailed_info
morning and afternoon tea breaks will be available in an area close to the meeting area. For lunch ... from the Oceanographic Centre will be available and will take about 15–20 minutes depending on ... Arrangements for the WG-SAM and WG-EMM 2012 ... There are two airports in the Island of Tenerife which receive traffic from the mainland (mainly Madrid ...
Document : Site Section: Meetings
-
ADÉLIE PENGUIN SURVIVAL: AGE STRUCTURE, TEMPORAL VARIABILITY AND ENVIRONMENTAL INFLUENCES
resight data over a sixteen year period. This analysis required an extension to the basic Cormack-Jolly ... annual survival of an Adélie penguin population using mark-recapture models based on penguin tag and ... challenging to study, especially for winter migratory species such as the Adélie penguin (Pygoscelis adeliae ... survival for the younger penguins whereas either too little or too much ice (between 15 and 80% cover) in ...
Meeting Document : WG-EMM-11/P4 : Auteur(s): L. Emmerson and C. Southwell
-
The Ross Sea Region Marine Protected Area: Current proposal and looking forward
Abstract: MPAs are an important tool for biodiversity conservation with benefits for fisheries ... allowing for an economically viable toothfish fishery in the Ross Sea. Since 2012, Ross Sea region MPA ... ability of the MPA to meet its objectives. We also comment on the opportunities for research fishing ... MPA proposed in 2012 was designed to meet an array of ecological and scientific objectives while also ...
Meeting Document : CCAMLR-XXXIV/BG/27 : Auteur(s): Submitted by ASOC
-
A REVIEW OF BIAS AND UNCERTAINTY IN ANTARCTIC PACK-ICE SEAL ABUNDANCE ESTIMATES
Abstract: While the joint CCAMLR-IWC workshop will consider a number of parameters for species ... review addresses population surveys and abundance estimates for the four species of phocid seal commonly ... provide a sense of evolution and development of methodologies over a 50 year period of application. The ... of pack-ice seals focuses primarily on abundance and to a lesser extent trends in abundance. The ...
Meeting Document : CCAMLR-IWC-WS-08/06 : Auteur(s): Steinhage, D., Bengtson, J., Blix, A.S., Bester, M., Boveng, P., Laake, J., Cameron, M., Nordøy, E., Forcada, J., Stewart, B., Southwell, C., Trathan, P., Rogers, T., Plotz, J., Bornemann, H.
-
AMLR 2009/10 Field Season Report: objectives, accomplishments and conclusions
estimates of krill abundance also decreased, for the second consecutive year, and recruitment indices were ... penguins produced 41% less than the 12-year mean. Antarctic fur seals pup production decreased for the ... was greater this year than the last ten years. The production of penguin chicks decreased compared to ... low, indicating that a weak cohort was produced the previous year. The abundance of Salpa thompsoni ...
Meeting Document : WG-EMM-10/P12 : Auteur(s): A. Van Cise (Editor)
-
World Fisheries Congress
opportunity for CCAMLR scientists to participate in a session focussing on the Antarctic. It is proposed that ... , with the theme “Reconciling Fisheries with Conservation” (See www.worldfisheries2004.org). There is an ... CCAMLR might wish to nominate co-leaders for this session and that CCAMLR should publicise the existence ... of this session and venue as an important opportunity to present CCAMLR science in a global context ...
Meeting Document : WG-EMM-02/24 : Auteur(s): J.P. Croxall (United Kingdom)
-
Distribution and relative abundance of juvenile icefish (Champsocephalus gunnari) from a trawl survey of the South Georgia shelf in June–July 1985
) was employed. This trawl is made of kapron fibre netting with 20-45 mm mesh size with an inside ... a towing speed of 3.5 knots. An echo depth-sounder was attached to the headline for monitoring ... the age of one year (O-group), were used for the calculation of abundance indices. Catchability ... ) but not less than two. During the survey the Soviet 13.6 m Juvenile Trawl (designed in AtlantNIRO ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 55-63 : Auteur(s): Boronin, V.A., G.P. Zakharov and V.P. Shopov