Search results

1. 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

   , CCAMLR Saunders et al. 30 summer) in the light of repeated observations of within-year changes ... volume backscatter (Sv dB re 1 m–1) was determined from the WCPs and ADCPs using forms of the SONAR ... series (Table 1), and an alternative approach was devised to infer krill-related backscatter from ... the relationship between ADCP backscatter (30-minute Nautical Area Scattering Coeffi cient (NASC) values) fi ...

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

2. Estimating the impact of depredation by killer whales and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia

   9 4 67 1 4 67 1 20 05 3. 4% 5. 1% 8. 1% 3 05 7 3 16 0 3 21 3 3 30 3 20 ... 5 T ot al 29 4 03 30 4 25 30 4 67 30 4 61 % in cr ea se o ve r re po rt ... 1 4. 8 20 .3 0. 31 0. 48 20 06 30 56 1 23 9 36 3 67 0 1 09 6 5. 1 23 ... .3 0. 40 0. 65 20 07 14 68 1 62 6 26 1 75 5 58 2 4. 2 14 .0 0. 38 0. 30 ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 163–178 : Author(s): Moir Clark, J. and D.J. Agnew

3. Diurnal variations in biological characteristics of krill, Euphausia superba Dana, to the west of the South Orkney Islands, 24 March to 18 June 1990 - based on data reported by a biologist-observer

   area. Each station consisted of a series of catches made using a standard commercial trawl (9 to 12 ... of a series of catches made using a standard commercial trawl (9 to 12 tows per station, over one day ... consisted of a series of catches made using a standard commercial trawl (9 to 12 tows per station, over ... quotidiennes en divers emplacements dans la zone de peche. A chaque station, une serie de captures a ete ... .51 MHrpaU;H.5I He Ha6JIIO,llaJIaCb (B t.IaCTHOCTH B KOHu;e ce30Ha) ,llHeBHbIe H3MeHeHH.5I ... pesca, y consistieron de una serie de capturas realizadas mediante un arrastre comercial estandar (de ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 201–222 : Author(s): Vagin, A.V., R.R. Makarov and L.L. Menshenina

4. Standardization of fishing effort for Champsocephalus gunnari in the South Georgia area (Subarea 48.3)

   area (Subarea 48.3) Abstract / Description:  Traditional calculation of catch-per-unit-effort series ... Traditional calculation of catch-per-unit-effort series is inflexible in its use of data types ... calculation of catch-per-unit-effort series is inflexible in its use of data types and has no estimate ... of variation for the CPUE values was 0.399. Resume Le ca1cul traditionnel des series de capture par unite ... Champsocephalus gunnari B lIo~patioHe 48.3 6bIJI nOJIYQeH nYTeM HCnOJIb30BaHH5.I MYJIbTHnJIHKaTHBHoti MO~eJIH ... OT BeJIHQHH, HCnOJIb30BaHHbIX B CTaH~apTH3aI.-\HH MO~eJIH:. Cpe~HHti Koa$qn1l.-\HeHT H3MeHQHBOCTH ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 327–336 : Author(s): Gasiukov, P.S.

5. Options for allocating the precautionary catch limit of krill among small-scale management units in the Scotia Sea

   allocated to this subarea is not considered here. Options Each option takes the general form Yi = Yai ... that the estimate of krill density for 1999/2000 in the South Shetland Islands was taken from the time series ... ). The value of ai for these SSMUs could follow the form of the example response functions shown in Figures ... E as t ( A P D P E ) 0. 10 49 33 3 0. 01 18 38 0. 00 93 30 0. 00 75 24 0. 00 75 16 B ra ns ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 81–97 : Author(s): Hewitt, R.P., G. Watters, P.N. Trathan, J.P. Croxall, M.E. Goebel, D. Ramm, K. Reid, W.Z. Trivelpiece and J.L. Watkins

6. Fish distribution and biomass in the Heard Island zone (Division 58.5.2)

   . C K ~ T O B ~ I ~ OXBaTblBanll 60nbruy1o nnOqaAb Pi XapaKTepH30BaJIIICb cpen~efi YPiCJleHHOCTbIo B BOQaX MenbYe 300 ... , a n d t o ob t a in s o m e preliminary data for its management, a series of biomass surveys were conducted ... . the 300-500 m stratum is referred to as stratum 500. These strata form irregular but concentric zones ... (in parentheses) during each cruise. For spring 1993, the following changes were Each haul was for 30 minutes ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 1–20 : Author(s): Williams, R. and W.K. de la Mare

7. Choosing distance between acoustic survey tacks

   fluctuations. The patches may be separate, adjoin or overlap, so forming bigger concentrations which we call ... point, the extension of tacks, the form and size of the surveyed area, and the number of strata ... in the patch - 157 - obtained by analysing data from actual hydroacoustic microsurveys. A series ... of the stock exploitation rate and other factors, we have to estimate the biomass with an error 8B~30 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 153-164 : Author(s): Kalikhman, I.L., Z.I. Kizner, B.R. Zaripov and W.D. Tesler

8. The role of fish as predators of krill (Euphausia superba) and other pelagic resources in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   :  Krill forms an important part of the diet of many Antarctic fish species. An understanding of the role ... species are important predators of krill (C. gunnari) and fish (D. mawsoni) in turn form key prey for top ... Krill forms an important part of the diet of many Antarctic fish species. An understanding ... (C. gunnari) and fish (D. mawsoni) in turn form key prey for top predators in each region. ... ., 2006; Murphy et al., 2007a; Florindo et al., 2008). Abstract Krill forms an important part ... (C. gunnari) and fish (D. mawsoni) in turn form key prey for top predators in each region. 117 Fish ... than 500 m. Krill forms a substantial part of the diet of the skate Amblyraja georgiana at South ... as important a food resource as krill. They are known to form an important part of the diet of Antarctic top ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 115–169 : Author(s): Kock, K.-H., E. Barrera-Oro, M. Belchier, M.A. Collins, G. Duhamel, S. Hanchet, L. Pshenichnov, D. Welsford and R. Williams

9. A statistical method for estimating the level of IUU fishing: application to CCAMLR Subarea 48.3

   /2000 and 2000/01. Each year fully covered the period 1 October to 30 September, thus including one ... /2000 and 2000/01. Each year fully covered the period 1 October to 30 September, thus including one ... . Each year fully covered the period 1 October to 30 September, thus including one summer and one winter ... le 1er octobre et le 30 septembre et comprend donc une période d’été et une période d’hiver. Les ... охватывает период с 1 октября по 30 сентября, включая, таким образом, один летний и один зимний период ... octubre al 30 de septiembre , incluyendo por lo tanto un verano y un invierno. Las estimaciones del ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 119–141 : Author(s): Agnew, D.J. and G.P. Kirkwood

10. A composite recruitment index to describe interannual changes in the population structure of Antarctic krill at South Georgia

    Peninsula region have been presented in a series of papers by Siegel and coworkers (Siegel and Loeb, 1995 ... to calculate recruitment indices (de la Mare, 1994). In this paper I consider a series of British Antarctic ... occurring between 24 and 30 mm (Table 3). However, for the 1997/98 season it was necessary to increase ... ) the size of the l+ group was constrained by the maximum permitted size (30 mm). Therefore all analyses ...

    Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 71–84 : Author(s): Watkins, J.L

Pages