Search results

1. Analysis and modelling of the Soviet Southern Ocean krill fleet, II: Estimating the number of concentrations and analytical justification for search data

   as a fishing logbook. There is considerable variability in concentration properties (radius, catch, trawling ... in that the vessel has limited information about where to search. Even if the vessel executes a directed search ... of trawling; (ii) time of the start of trawling; (iii) time of end of trawling; and (i v) krill catch ... . Each combination of location, start and end times and catch is called a record. From these, we can ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 283–322 : Author(s): Mangel, M.

2. Modelling krill recruitment

   on the method of calculating the precautionary catch limits see Butterworth, Punt and Basson, 1991 ... then be incorporated into the krill simulation model used in calculating precautionary catch lunits. This will allow ... can be taken into account in Monte Carlo simulations used in calculating precautionary catch ... by drawing the values used in each simulation from appropriate sampling distribution limits (for details ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 49–54 : Author(s): W.K. de la Mare

3. Status of krill target strength

   depit des limites admises. Quelques mesures de reponse acoustique prises recemment sur des individus ... , with 1 ms pulse duration, and estimates of p determined by catching. A total of 18 TS values are given ... catches varied from 37 to 44 mm. Measurement of Sv, with 0.6 ms pulse duration, and determination ... ± 0.0067 and sound-speed contrast of 1.0279 ± 0.0024, where the limits are those of the first standard ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 101–126 : Author(s): Foote, K.G., D. Chu and T.K. Stanton

4. A post-processing method to remove interference noise from acoustic data collected from Antarctic krill fishing vessels

   for the Conservation of Antarctic Marine Living Resources (CCAMLR) to set the precautionary catch limit for the krill ...

   Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 17–30 : Author(s): Wang, X., J. Zhang and X. Zhao

5. Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea

   and Ó Maolagáin 184 Introduction Skates are a major by-catch of the toothfi sh fi sh- ery operating in the Ross ... . It seems that food avail- ability and reproduction may limit the growth of Antarctic fi shes more than ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 183–194 : Author(s): Francis, M.P. and C. Ó Maolagáin

6. An overview of Southern Ocean zooplankton data: abundance, biomass, feeding and functional relationships (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   food-web modellers or those with limited specialist knowledge of SO zooplankton. First, a brief ... , distribution and feeding. Second, advice is provided on the uses, strengths and limitations of zooplankton data ... it resides, to assist SO food-web modellers or those with limited specialist knowledge of SO zooplankton ... and limitations of zooplankton data as inputs to SO data compilations or food-web models. Copepods overall ... with limited specialist knowledge of SO zooplankton. First, a brief overview is provided of the diversity ... , advice is provided on the uses, strengths and limitations of zooplankton data as inputs to SO data ... produced by SO ecologists. It is therefore shown where these limited data lie and, where non-SO-specific ... of their catches due to avoidance and net mesh selection. The gelatinous ambush or filter feeding members ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 171–218 : Author(s): A. Atkinson, P. Ward, B.P.V. Hunt, E.A. Pakhomov and G.W. Hosie

7. Significant intra-annual variability in krill distribution and abundance at South Georgia revealed by multiple acoustic surveys during 2000/01

   determined from the early-season survey was exceptionally low. The upper 95% confi dence limit of the mean ... 95% confi dence limit fell below about 15 g m-2 in any year, that year could be considered one ... krill density was 34.7 g m-2, with the upper 95% confi dence limit above 55 g m-2. Clearly the mid ... profi ls bathymétriques de 200 m (en gris) et 1 000 m (en noir) illustrant les limites des zones ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 71–82 : Author(s): Brierley, A.S., C. Goss, S.A. Grant, J.L. Watkins, K. Reid, M. Belchier, I. Everson, M.J. Jessop, V. Afanasyev and J. Robst

8. New data on spawning, hatching and growth of Champsocephalus gunnari on the shelf of the Kerguelen Islands

   1971/72, yielded annual catches up to 30 000 tonnes in the first years of exploitation (Gerasimchuk ... , 1993). Good catches occurred at about three-yearly intervals with very low catches in between ... , 1992). Only one cohort appears to contribute to the annual catches. This is different from ... the situation around South Georgia but seems to be comparable to the catch history around the South Orkney ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 21–34 : Author(s): Duhamel, G

9. Krill fishing in the Scotia Sea in relation to bathymetry, including the detailed distribution around South Georgia

   that there are restricted parts of shelf and shelf-break areas where high catches have been obtained. Although these data ... and shelf-break areas where high catches have been obtained. Although these data give a general idea ... that tliere are restricted parts of shelf and shelf-break areas where high catches have been obtained ... interactions between the environment and krill. Such studies, however, are usually geographically limited ... fine-scale data was given by Everson and Goss (1991). These data are reported as catch and effort ... Georgia and South Sandwich Islands area reported trawl position and catch and effort data. These data ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 1–17 : Author(s): Murphy, E.J., P.N. Trathan, I. Everson, G. Parkes and F.H.J. Daunt

10. Simulation of recovery rates of fish stocks in the South Georgia and Kerguelen Islands areas

    and N. gibberifrons were put forward which included a range from no fishing to limiting catch to the 85-86 season ... agreed that only small, unavoidable by-catches should be taken. The group also estimated ... and catch over the next 20 years for the major species of concern at different fishing mortalities ... for the next year are calculated using the Murphy catch equation. The size of the recruiting year class ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 229-298 : Author(s): Hennemuth, R.C., K.D. Bisack and G. Duhamel

Pages