Résultats de la recherche

1. Analyses of acoustic line-transect data from the waters around South Georgia: estimation of krill (Euphausia superba Dana) – biomass

   WG-KRILL-91/30 ANALYSES OF ACOUSTIC LINE-TRANSECT DATA ... aHaJIH3 rrO,lllIepKHBaeT Ba)l{HOCTb TII(aTeJIbHOrO rrJIaHHpOBaHH5I aKYCTHlIeCKHX CbeMOK. * British ... sections approximately 30 n miles in length. Each section was further divided into 1 n mile integration ... Georgia. The survey tracks are approximately 30 n miles apart. The survey box was approximately 240 n ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 225–243 : Auteur(s): Murphy, E., I. Everson and A. Murray

2. A review of the trophic role of mesopelagic fish of the family Myctophidae in the Southern Ocean ecosystem

   ; Rembiszewski et al., 1978; Rowedder, 1979). Planktonic crustaceans form the main food supply of myctophids ... Vozrozhdenie in the Falkland/Patagonian area (46"00f to 46°30'S,58030' to 60°00'S) show that the highly ... as myctophid consumers is not altogether clear. Antarctic myctophid species do not normally form ... ~bl U C C J I ~ A O B ~ H U ~ ~ T~o@AY~cKUX B ~ ~ U M O O T H O I I I ~ H H ~ ~ MHKTO@IIA nOKa3anU ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 71–77 : Auteur(s): Kozlov, A.N

3. Biomass of myctophids in the Atlantic sector of the Southern Ocean as estimated by acoustic surveys

   concentrations of myctophids as long bands or spots (isolated schools) with a height of up to 30 m (Figures 1 ... concentrations of myctophids in the form of elongated strips were found in the waters of the Frontal Zone ... 47° and 56°S and between 8° and 44°W in the period 30 January to 10 April. The bulk of the biomass ... surveyed in two stages. Firstly, the area from 51 °30' to 56°00'S and between 20°30' and 26°30'W was ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 417–431 : Auteur(s): Filin, A.A., K.V. Gorchinsky and V.M. Kiseleva

4. Some thoughts on precautionary measures for the krill fishery

   recruitment and predator food demand (SC-CAMLR, 1994). In this form the model has been used to provide an ... energy budgets. The krill yield model in this form has been used to provide advice on the ... evidence to indicate that within Area 48 there is some form of linkage between all the subareas. The ... catching process is required to be collected and submitted to CCAMLR in a summarised form. These data are ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 1–11 : Auteur(s): Everson, I. and W.K. de la Mare

5. 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

   ° – 30 ° Fa lk la nd Is la nd s/ Is la s M al vi na s S ou th G eo rg ia E le ph an t ... Elephant Island. Catches of the species have been small (<50 kg/ 30 min) with the exception of one or two ... hauls yielding 500–1 000 kg/30 min or more (Balguerías, 1989; Everson, 1997; Everson et al., 1991 ... . Trawling time was, with few exceptions, 30 min (period during which the net was on the bottom). Hauls of ...

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

6. Catch per unit effort (CPUE) data from the early years of commercail krill fishing operations in the Atlantic sector of the Antarctic

   Expedition 1977/78 of the Federal Republic of Germany. Arch. FisclzWiss., 30: 1-119. Kawaguchi, S., T ... hours for the split-year (1 July to 30 June); (iii) mean monthly catch/hour for the split-year ... 1 102 191 2 861 198 126 6 418 360 419 7 795 566 213 5 611 277 30 A similar situation was ... areas compared to oceanic areas. Commercial krill aggregations in the shelf zone usually form and ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 31–50 : Auteur(s): Siegel, V., V. Sushin and U. Damm

7. Utilising data from ecosystem monitoring for managing fisheries: development of statistical summaries of indices arising from the CCAMLR Ecosystem Monitoring Program

   . This paper examines a simple conceptual form of this problem by having a period when all the ... simulation for two forms of alternative hypothesis with data series of up to 20 and 30 years. In both forms ... of the data pertinent to building some form of combined index, either as suggested above, or such ... ; and (f) plotting of indices in the form of 'control charts'. Two types of charts could be examined ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 101–117 : Auteur(s): de la Mare, W.K. and A.J. Constable

8. Variations in condition indices of mackerel icefish at South Georgia from 1972 to 1997

   consider only those fish greater than or equal in total length to 30 cm. This group is composed of ... been measured and which were 30 cm or greater in total length: males: total mass = 0.001322.L,"J5 ... (SC-CAMLR, 1997). These have the advantage that they provide a graphical form that clearly indicates ... : Plots of monthly mean C, for the period 1975 to 1953. Days since 30 January Figure 6: Fur seal pup ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 119–132 : Auteur(s): Everson, I. and K.-H. Kock

9. Discrimination of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) using otolith morphometrics

   knowl- edge gaps. Otoliths form M. whitsoni and M. caml cannot be distinguished from simple observation ... and can live to at least 27 years, M. caml takes more than 30 years Table 4: Discriminant analysis ... species and sex, grouped into ten equal-width bins (centre value of bin shown on x-axis). 60 50 40 30 ... – male M. whitsoni – female M. caml – male M. caml – female 60 50 40 30 20 10 0 N um be r o ...

   Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 15–28 : Auteur(s): Pinkerton, M.H., C. Ó Maolagáin, J. Forman and P. Marriott

10. A preliminary investigation of the possible effects of rhizocephalan parasitism on the management of the crab fishery around South Georgia

    parasitised crabs of either sex do not form part of the spawning stock, and that post- parasitised crabs do ... crabs are sterile and do not form part of the spawning stock. Parasitised crabs suffer a slightly ... do not form part of the spawning stock. The point is that given a non-zero level of infection, the ... spawning stock is already below its maximum level, even without any harvesting. 0 0 10 20 30 40 50 60 ...

    Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 175–192 : Auteur(s): Basson, M

Pages