Search results
-
Depth distribution and spawning pattern of Dissostichus eleginoides at South Georgia
CCAMLR Science, Vol. 6 (1999): 19-36 DEPTH DISTRIBUTION ... du mois, ce qui suggere que les poissons se deplacent tant vers le haut que vers le bas de la pente ... ~ a f i ~ e ~ o oveHb Mano OTHepeCTHBUlMXCZ oco6eB. T a ~ o e KOHueHTpHpoBaHHoe PaCIIpeAeneHHe KPYMHbIX ... into hourly or half-hourly periods, two periods being chosen at random for sampling the catch and two ... in addition to a major spawning event in late July/August, there may be a small spawning event in ... ) and not by geographical position. Pre-spawning animals appear to be distributed all around the South ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 19–36 : Author(s): Agnew, D.J., L. Heaps, C. Jones, A. Watson, K. Berkieta and J. Pearce
-
Quantifying vessel performance in the CCAMLR tagging program: spatially and temporally controlled measures of tag-detection rates
variability of the recapture rates are accounted for in the calculation by using CCAMLR Science, Vol. 20 ... with, whereby a performance higher than one might be due to a vessel being only com- pared with vessels ... that was introduced from fish that were within the chosen distance from the case fishing event not being equally ... the maximum distance between fishing events compared. The results suggest that the method can be ... potentially be developed as a more general method for comparing relative performance of spatially and ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 73–80 : Author(s): Mormede, S. and A. Dunn
-
Results of the tagging experiment for (D. eleginoides) in Subarea 48.4, 2007 update
the mark-recapture experiment in Subarea 48.4 in 2007/08. Initial estimates of population size will be ... may need to be extended for a few more years. Author(s): J. Roberts and D.J. Agnew (United Kingdom ...
Meeting Document : WG-FSA-07/32 : Author(s): J. Roberts and D.J. Agnew (United Kingdom)
-
Setting management goals using information from predators
be set for higher trophic levels – such as marine mammals, birds and fish. It briefly explores the ... points that can be used directly for making decisions. These indicators include univariate indices ...
Meeting Document : WG-EMM-07/P7 : Author(s): A. Constable (Australia)
-
Educational observer on board fishing vessels in Brazil
of fisheries and biology observer. The Educational Observer, that could be used as informal teacher ... while on board. We believe seabird mortality rate due to incidental capture by fishing vessels can be ...
Meeting Document : SC-CAMLR-XXV/BG/20 : Author(s): Delegation of Brazil
-
Estimates of bird by-catch by IUU vessels in Subarea 48.3, 1998–2001
rates in the illegal fishery, and that these were more likely to be similar to the bird catch rates made ... bootstrapping option, which should be used by WG-FSA/IMAF in future estimates of bird bycatch rates are: a ...
Meeting Document : WG-FSA-03/56 : Author(s): D.J. Agnew (United Kingdom)
-
Notes for identifying the three macrourid species, M. holotrachys, M. whitsoni and M. carinatus in CCAMLR Subarea 48.3
scaled). The relative positioning of the second dorsal fin and the anal fin can also be used to ... , combinations of 2 or more characters should be successful. Genetic analysis of liver samples will confirm ...
Meeting Document : WG-FSA-02/29 : Author(s): S.A. Morley, M. Belchier, M.G. Purves, T. Mulvey and J. Dickson (United Kingdom)
-
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 ... requires another approach to echosurveys, since two actually independent task should be solved in that case ...
Meeting Document : WG-EMM-98/21 : Author(s): S.M. Kasatkina (Russia)
-
The Ross Sea toothfish fishery: proposal for conditional transition of classification from exploratory to established
be undertaken. In fact, many biological characteristics of D. mawsoni are now well understood, and ... that it should be re-classified. To ensure that sufficient data are acquired to continue assessment of ...
Meeting Document : WG-FSA-11/32 : Author(s): C. Jones (USA) and S. Hanchet (New Zealand)
-
PROPOSAL TO VARY THE REQUIREMENT TO TEST SINK RATES FOR INTEGRATED WEIGHT LONGLINE (IWL) GEAR PRIOR TO ENTERING THE CONVENTION AREA
could instead be conducted in the first week of fishing inside the Convention Area, potentially reducing ... conditions to be satisfied include that the vessel used IWL gear in the immediate previous season that fully ...
Meeting Document : WG-FSA-08/36 : Author(s): I. Hay (Australia)