Search results
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Preliminary results of otolith elemental composition analysis of Dissostichus spp. in Subarea 48.2
sections of 10 otoliths from adults of D. eleginoides and 20 otoliths from adults of D. mawsoni from ... sections presented univariate differences but not multivariate differences between species, suggesting ... found between nuclear and marginal sections among the species were consistent with the change ... of Dissostichus spp. within CCAMLR Subarea 48.2, the elemental composition of nuclear and marginal sections of 10 ...
Meeting Document : WG-FSA-17/30 : Author(s): Delegation of Chile
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An inter-laboratory comparison of ages estimated for Dissostichus eleginoides using otoliths
, otoliths were taken from 100 fish caught in the South Atlantic, and transverse sections prepared by baking ... read the sections similarly, with 84.7% of the estimates falling within two years or less of each other ... were taken from 100 fish caught in the South Atlantic, and transverse sections prepared by baking ... read the sections similarly, with 84.7% of the estimates falling within two years or less of each other ...
Meeting Document : WG-FSA-99/56 : Author(s): J. Ashford (United Kingdom) and P. Horn (New Zealand)
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Revisiting krill ageing method using eyestalk cuticles
in the determination of the absolute age of krill is that of Kilada et al. (2017), which involves thin sectioning ... crustacean researchers. Since the interpretation of growth bands in thin eyestalk sections is also difficult ... in the determination of the absolute age of krill is that of Kilada et al. (2017), which involves thin sectioning ... crustacean researchers. Since the interpretation of growth bands in thin eyestalk sections is also difficult ...
Meeting Document : WG-EMM-2019/45 : Author(s): S. Kawaguchi, T. Barnes, N. Waller, B. Farmer, D. Hayes, R. Kilada, C. Reiss, G. Zhu, B. Krafft, A.-L. Agnalt, T. Ichii and T. Matsuda
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Growth rates of Antarctic fur seals as indices of environmental conditions
weighing cross-sections of the population were compared with measured/inferred changes ... based on cross-sectional population samples. A new index was developed, based on the deviation of pup ... -sections of the population were compared with measured/inferred changes in the the availability ... reliably be derived from differences in the slope of a linear relationship based on cross-sectional ...
Meeting Document : WG-EMM-01/20 : Author(s): K. Reid (United Kingdom)
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Age validation of Patagonian toothfish (Dissostichus eleginoides) from Heard and Macquarie Islands
by counting presumed growth increments on the sectioned face of sagittal otoliths. While there is a general ... difficulties of increment structure in sectioned otoliths of D. eleginoides may result in variability from ... growth increments on the sectioned face of sagittal otoliths. While there is a general consensus ... of increment structure in sectioned otoliths of D. eleginoides may result in variability from the absolute age ...
Meeting Document : WG-FSA-05/60 : Author(s): K. Krusic-Golub and R. Williams (Australia)
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An acoustic survey of Antarctic krill on the South Georgia shelf, CCAMLR Subarea 48.3, in January 1992
at 38 kHz and 120 kHz. The results have been analysed for all straight sections of track when the ship ... , these are presented for day and for night sections of survey and at locations mapped around the island. An overall ... at 38 kHz and 120 kHz. The results have been analysed for all straight sections of track when the ship's ... , these are presented for day and for night sections of survey and at locations mapped around the island. An overall ...
Meeting Document : WG-EMM-96/42 : Author(s): Everson, I., Goss, C.
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Development of a fine-scale model of land-based predator foraging demands in the Antarctic
for a number of reasons. An alternative method of calculating an index of fishery-predator interaction ... is developed, which is based on a detailed model of the supposed functional interaction between these two ... for a number of reasons. An alternative method of calculating an index of fishery-predator interaction ... is developed, which is based on a detailed model of the supposed functional interaction between these two ...
Meeting Document : WG-Joint-94/08 : Author(s): D.J. Agnew and G. Phegan (Secretariat)
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Methods of comparative tests of bottom trawls (trawls systems)
sections are discussed: place and time of realization; preparatory works; comparative trawlings; acoustic ... The proposals for comparative tests of bottom trawls are presented. The following sections ...
Meeting Document : WG-FSA-02/45 : Author(s): P.S. Gasyukov (Russia)
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A preliminary assessment of age and growth of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea, Antarctica
= 0.99). Counts of growth zones in 304 thin-sectioned otoliths were used to estimate ages and von ... the otolith sections appear able to be consistently interpreted. The standard lengths of the sampled Antarctic ... ). Counts of growth zones in 304 thin-sectioned otoliths were used to estimate ages and von Bertalanffy ... the otolith sections appear able to be consistently interpreted. The standard lengths of the sampled Antarctic ...
Meeting Document : WG-FSA-10/20 : Author(s): C.P. Sutton and P.L. Horn (New Zealand)
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A fine-scale model of the overlap between penguin foraging demands and the krill fishery in the South Shetland Islands and Antarctic Peninsula
for a number of reasons, an alternative method of calculating an index of fishery-predator interaction has been ... developed. The new index reflects the functional interaction between these two utilisers of the krill ... for a number of reasons, an alternative method of calculating an index of fishery-predator interaction has been ... developed. The new index reflects the functional interaction between these two utilisers of the krill ...
Meeting Document : WG-EMM-Stats-96/06 : Author(s): Phegan, G., Agnew, D.J.