Search results
-
Natural mortality rate in the mackerel icefish (Champsocephalus gunnari) around South Georgia
age structure and growth parameters are used. It is concluded that only in the three earliest years ... the period prior to large scale commercial harvesting is discussed. Methods based on population age structure ... and growth parameters are used. It is concluded that only in the three earliest years, 195 1, 1964 and 1966 ...
Meeting Document : WG-FSA-97/05 : Author(s): Everson, I.
-
OTOLITH CHEMISTRY INDICATES POPULATION STRUCTURING BY THE ANTARCTIC CIRCUMPOLAR CURRENT
early life chemistry: one associated with South America and three Antarctic groups showing mixing ... early life chemistry: one associated with South America and three Antarctic groups showing mixing ...
Meeting Document : WG-FSA-08/P05 - Abstract : Author(s): J.R. Ashford, C.M. Jones, E.E. Hofmann, I. Everson, C.A. Moreno, G. Duhamel and R. Williams
-
Overview of global trade in toothfish (Dissostichus spp.)
GLOBEFISH unit, an analysis was conducted for the five-year period of 2012–2016 on the global trends ... . Captures the global trade of toothfish. The analysis showed that over this five-year period quantity ... that over the five-year period the quantity of toothfish reported to the CDS is 2.70% higher then what ... , there are differences in the trade patterns between the two datasets so while the quantities may be similar ...
Meeting Document : CCAMLR-XXXVI/BG/05 Rev. 1 : Author(s): CCAMLR Secretariat
-
Characterisation of Muraenolepis species by-catch in the CCAMLR Convention Area
published suggest a relatively fast growing, semelparous, life history with a maximum age of 11 years ... a relatively fast growing, semelparous, life history with a maximum age of 11 years. The estimate of K from ...
Meeting Document : WG-FSA-12/50 : Author(s): S. Parker, P. McMillan and P. Marriott (New Zealand)
-
Some comments on the procedure of krill target strength assessment in echosurveys
in echosurveys is discussed. It is known that krill abundance and biomass estimation should be considered as two ... approach to echosurveys, since two actually independent task should be solved in that case: assessment ... in echosurveys is discussed. It is known that krill abundance and biomass estimation should be considered as two ... approach to echosurveys, since two actually independent task should be solved in that case: assessment ...
Meeting Document : WG-EMM-98/21 : Author(s): S.M. Kasatkina (Russia)
-
Distribution of salps near the South Shetland Islands during austral summer, 1990/1991 with special reference to krill distribution
was lower than that of E. superba. Two species of salps; Salpa thompsoni and Ihlea racovitzai were found ... , and the former was dominant numerically. Spatial distribution and generation composition of these two species ... that of E. superba. Two species of salps; Salpa thompsoni and Ihlea racovitzai were found, and the former ... was dominant numerically. Spatial distribution and generation composition of these two species was different ...
Meeting Document : WG-EMM-95/54 : Author(s): Terazaki, M., Ichii, T., Kawaguchi, K., Nishikawa, J., Ishii, H., Naganobu, M.
-
Joint research proposal for the Dissostichus spp. exploratory fishery in East Antarctica (Divisions 58.4.1 and 58.4.2) by Australia, France, Japan, Republic of Korea and Spain
(commenced 2012/13) and Spain (commenced 2012/13). WG-SAM-16 welcomed plans for one consolidated research ... ). The continuation of standardised longline surveys, in conjunction with fish tagging, biological measurements, aging ... 2012/13) and Spain (commenced 2012/13). WG-SAM-16 welcomed plans for one consolidated research plan ... longline surveys, in conjunction with fish tagging, biological measurements, aging and genetic approaches ...
Meeting Document : WG-FSA-16/29 : Author(s): Delegations of Australia, France, Japan, Republic of Korea and Spain
-
Entanglement in man-made debris of Antarctic fur seals at Bird Island, South Georgia
the summer pup-rearing period a minimum of 30 entangled seals were reported, 26 (87%) of which had ... -rearing period a minimum of 30 entangled seals were reported, 26 (87%) of which had their collars removed ...
Meeting Document : CCAMLR-X/BG/05 : Author(s): Delegation of UK
-
A REVIEW OF THE UNCERTAINTIES ASSOCIATED WITH PENGUIN POPULATION AND ABUNDANCE ESTIMATES FOR THE CCAMLR REGION
to be reasonably comprehensive for some areas, but less complete for others. One key problem is that counts have ... . The other fundamental problem is that the latest site counts are of variable ages, and since penguin ... to be reasonably comprehensive for some areas, but less complete for others. One key problem is that counts have ... . The other fundamental problem is that the latest site counts are of variable ages, and since penguin ...
Meeting Document : CCAMLR-IWC-WS-08/08 : Author(s): Trivelpiece, W., Fraser, B., Trathan, P., Ainley, D., Southwell, C., Bost, C., Hindell, M., Lyver, P., Ratcliffe, N., Woehler, E.
-
Otolith morphological analysis cannot distinguish Antarctic toothfish (Dissostichus mawsoni) stocks in the Southern Ocean
Dissostichus mawsoni from 3 Subareas using two statistical methods. Stepwise discriminant analysis showed ... mawsoni from 3 Subareas using two statistical methods. Stepwise discriminant analysis showed ...
Meeting Document : WG-FSA-2019/59 : Author(s): L. Wei, G.P. Zhu, T. Okuda, S. Parker, I. Slypko and S. Somhlaba