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1. Target strength studies on Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea

   ., 1996), but does not allow the easy control of possible bias: catch composition, trawl efficiency ... of the catch accounts for the largest proportion of variation in mean in situ TS estimation. Other ... << (krb)→ 20, ellipsoid; k = wave number = 2π/λ), the asymptotic upper limit of the acoustic cross ... spherical radius of the fish body fall in the Rayleigh scattering region, the lower asymptotic limit of ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 75–104 : Автор(ы): Azzali, M., I. Leonori, I. Biagiotti, A. De Felice, M. Angiolillo, M. Bottaro and M. Vacchi

2. Changes in biomass of eight species of finfish around the South Orkney Islands (Subarea 48.2) from three bottom trawl surveys

   eleginoides and unspecified finfish species. The first year of fishing yielded a catch of almost 140 000 ... rapid declines of catch and catch rates led CCAMLR to impose a moratorium on all directed fishing for ... sorting table. Where catches were large (>500 kg), a subsamyle of the catch of approximately 500 kg was ... other than fish (benthos and other by-catch) were removed. Baskets were Jones et a1 Table 1 ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 53–74 : Автор(ы): Jones, C.D., K.-H. Kock and E. Balguerías

3. Is the attempt to estimate the biomass of Antarctic fish from a multi-species survey appropriate for all targeted species? Notothenia rossii in the Atlantic Ocean sector – revisited

   on catch data from scientifi c surveys conducted around South Georgia (Figure 1) in 1985 (Kock ... comparative purposes, catch data from semi-commercial fi shing activities of the two German trawlers Weser ... research vessel catches. Catch information from the two trawlers was the only commercial data which were ... , represented only a very small fraction of the catch. This concentration was not found again in subsequent ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 141–153 : Автор(ы): Kock, K.-H., M. Belchier and C.D. Jones

4. Intra-annual variability in the density of Antarctic krill (Euphausia superba) at South Georgia, 2002–2005: within-year variation provides a new framework for interpreting previous ‘annual’ estimates of krill density

   200 300 400 500 Mean mooring density Survey density Model fit 95% confidence limit R 2 = 0.64, P ... density Model fi t 95% confi dence limit Saunders et al. 36 Table 4: Predicted mean krill density ... % confi dence limit that was less than 57.8 g m–2 during this time, in order for observers to be able to ... estimate with an upper 95% confi dence limit of less than 15 g m–2 is indicative of a ‘low’ krill year ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 27–41 : Автор(ы): Saunders, R.A., A.S. Brierley, J.L. Watkins, K. Reid, E.J. Murphy, P. Enderlein and D.G. Bone

5. Factors to consider in developing management measures for krill

   recent period in which the fishery contracted while various technical problems in handling the catch ... fluctuations in catch from year to year cannot all be fully achieved simultaneously. For example, steady ... the levels of catch which can be taken by considering information already known about the system, or ... efficient. It is essential that the management procedure should limit the risk of accidental failure to ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 175–187 : Автор(ы): de la Mare, W.K.

6. Revised age and growth estimates for Antarctic starry skate (Amblyraja georgiana) from the Ross Sea

   starry skate (Amblyraja georgiana) is frequently taken as by-catch in the Ross Sea fishery for ... skate by-catch, and analysis of standardised CPUE, for the exploratory fishery in the Ross Sea (CCAMLR ... ): is there an upper limit to ages that can be determined from shark vertebrae? Mar. Freshw. Res., 58 ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 211–220 : Автор(ы): Francis, M.P. and M.J. Gallagher

7. Comparative feeding ecology of Patagonian toothfish (Dissostichus eleginoides) in the southwestern Atlantic

   whale s t o m a c h conten ts , r e p o r t e d t h e s o u t h e r n distribution limit of this ... /Falklands current, south to 48"s. In this deep-water sector, mean catch rates of up to 5 tonnes/hour have ... , though reported mean catch rates are less than 0.3 tonnes/hour (Otero et al., 1982). Commercial catches ... indicated in Lopez Abell6n and Balguerias (1994), the area studied is on the southernmost limit of ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 105–124 : Автор(ы): García de la Rosa, S.B., F. Sánchez and D. Figueroa

8. Line weights of constant mass (and sink rates) for Spanish system Patagonian toothfish longline vessels

   fishing grounds, the Spanish system is reputed to catch more fish than the Chilean method (the former ... true. To maximise fish catch rates, fish- ers may choose which method to use depending on fish ... software package (R Development Core Team, 2006). The limit of 17 s was the maxi- mum time for which all ... is possible that gear with steel weights will improve fish catch rates. The chemical attractants in ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 93–106 : Автор(ы): Robertson, G., C.A. Moreno, E. Gutiérrez, S.G. Candy, E.F. Melvin and J.P. Seco Pon

9. [node:field-journal-volume]:37-51

   , Wellington New Zealand Abstract Samples of macrourid rattail by-catch from the toothfi sh fi shery in the ... than 1% of the catch. Macrourids, almost exclusively Macrourus whitsoni, comprised a substantial by ... -catch of the fi shery and accounted for about 10% of total landed weight (Hanchet et al., 2002). In ... -catch, the species is clearly of com- mercial importance, and is in need of monitoring and management ...

   Science Journal Paper : 37–51

10. The influence of bait quality on the sink rate of bait used in the Japanese longline tuna fishing industry: an experimental approach

    a 20 g hook, as used by the Japanese to catch tuna, was measured. Since the position in which a ... seabirds (e.g., small species of petrel) once the 100 m limit of protection afforded by streamer lines ...

    Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 123–129 : Автор(ы): Brothers, N., A. Foster and G. Robertson

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