Resultados de la búsqueda
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Milk fatty acid signatures indicate both major and minor shifts in foraging ecology of lactating Antarctic fur seals
fatty acids in the marine food chain and it may be useful in determining the composition of seal diets ... prey intake which correspond with changes observed in diving and foraging behavior during a poor food ... begin to shift to a diet of teleost fish during late attendance. These findings were consistent with ...
Meeting Document : WG-EMM-97/14 : Autor(es): Boyd, I.L., Iverson, S.J., Arnould, J.P.Y.
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The use of CCAMLR Statistical Subareas 88.1 and 88.2 and Division 58.4.1 by Macquarie Island giant petrels
enter CCAMLR waters, one bird undertook a longer trip into division 58.4.1, where it spent 6% of its ...
Meeting Document : WG-FSA-06/49 : Autor(es): R. Trebilco, R. Gales, B. Baker and A. Terauds (Australia)
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DEVELOPMENT OF EFFECTIVE MITIGATION TO REDUCE SEABIRD MORTALITY IN THE ICEFISH (CHAMPSOCEPHALUS GUNNARI) TRAWL FISHERY IN SUBAREA 48.3
mitigate such mortality. As an interim measures a vessel specific 20‐bird mortality threshold was ...
Meeting Document : WG-IMAF-09/15 : Autor(es): B. Sullivan (BirdLife International), J. Clark (United Kingdom), K. Reid (Secretariat) and E. Reid (BirdLife International)
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Diet and feeding ecology of the diving petrels Pelecanoides georgicus and P. urinatrix at South Georgia
Bird Island, South Georgia. The diet of both species was dominated by crustaceans. in particular ...
Meeting Document : WG-EMM-97/10 : Autor(es): Croxall, J.P., Prince, P.A., Hill, H.J., Edwards, T.M., Reid, K.
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Cetaceans as indicators of historical and current changes in the East Antarctica ecosystem
the information is scattered and needs to be combined with new surveys in a comprehensive and ... in energy storage and stomach content weight since the 1980’s. This observation is consistent with ... recruitment is consistent with the total abundance of Antarctic minke whale estimated by sighting surveys ... species could result from competition with other recovering krill-eater large whale species, e.g. the ...
Meeting Document : WG-EMM-16/64 : Autor(es): Y. Fujise and L.A. Pastene
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Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald Islands using catch-at-age and aged mark-recapture data from the main trawl ground
: Attempts to estimate natural mortality, as a single constant M, simultaneously with other model parameters ... new model for describing total mortality which disaggregates fishing and natural mortality differently ... fishery, the CCODE model gave a well-behaved profile for the log-likelihood with the corresponding ... - ity of a stock when considered in combination with annual number of recruits, growth rate in body ... 0.13 y–1 rather than estimate this parameter jointly with other model para meters. The use of a fixed ... , as a single constant M, simultaneously with other model parameters in integrated assessments via ... the CCODE model (constant catch ODE). The CCODE model is a new model for describing total mortality ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 29–45 : Autor(es): Candy, S.G., D.C. Welsford, T. Lamb, J.J. Verdouw and J.J. Hutchins
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Editorial
contents reflect the important science that supports CCAMLR’s management of the marine living resources of ... assessment of the population status of toothfish and of assessing the risk associated with gathering data and ... potential costs of research catches as well as the potential spatial overlap with vulnerable benthic ... Science coincides with the 30th meeting of the CCAMLR Scientific Committee. Over those 30 years, several ... important science that sup- ports CCAMLR’s management of the marine living resources of the Southern Ocean ... population status of toothfish and of assessing the risk associated with gathering data and interpreting ... costs of research catches as well as the potential spatial overlap with vulnerable benthic habitats. In ... coincides with the 30th meeting of the CCAMLR Scientific Committee. Over those 30 years, several thousand ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 167 : Autor(es): Editors
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THE RISKS OF NOT DECIDING TO ALLOCATE THE PRECAUTIONARY KRILL CATCH LIMIT AMONG SSMUS AND ALLOWING UNCONTROLLED EXPANSION OF THE KRILL FISHERY UP TO THE TRIGGER LEVEL
risks associated with three options for a Stage-1 allocation of the precautionary krill catch limit ... Scientific Committee during 2008, and the caveats associated with that previous advice also apply here. Given ... until a feedback approach to management of the krill fishery can be implemented; ii) agree a new trigger ...
Meeting Document : WG-EMM-09/12 : Autor(es): G.M. Watters (USA), S. Hill (United Kingdom), J.T. Hinke (USA) and P. Trathan (United Kingdom)
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The Scientific Committee on Antarctic Research (SCAR) Annual Report 2015/2016
currently includes 43 member countries and nine ICSU unions. SCAR encourages new members with an interest in ... SC-CAMLR, here we restrict our focus to a few key areas, with an emphasis on those that have been ...
Meeting Document : SC-CAMLR-XXXV/BG/26 : Autor(es): Submitted by SCAR
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Estimates of abundance of Dissostichus eleginoides and Champsocephalus gunnari from the random stratified trawl survey in the waters surrounding Heard Island in Division 58.5.2 for 2018
with a new set of randomly selected station points. The catch of Dissostichus eleginoides (Patagonian ... McDonald Island (HIMI) in Division 58.5.2 took place from the end of March to the end of April, with the ...
Meeting Document : WG-FSA-18/55 : Autor(es): G. Nowara, T. Lamb and P. Ziegler