Résultats de la recherche

1. Abundance, size and maturity of krill (Euphausia superba) in the krill fishing ground of Subarea 48.1 during the 1990/91 austral summer

   and nearshore zones. The mean density of krill was low in the oceanic zone (8.5 g/m 2), intermediate ... in the frontal (37.3 g/m 2) and neritic (28.1 g/m 2) zones, and extremely high in the nearshore zone ... (134.7 g/m 2). The last zone corresponds to the shelf break: or the shelf area where topographic eddies ... abundant in the slope frontal zone, having a mean density of 23.9 g/m 2 (411 000 tonnes), as contrasted ... the depth range of 30 to 40 m in this region (Anon., 1989). Therefore each buoy was deployed with a ... curtain drogue (4 m x 1 m) at 30 m depth to assess this subsurface circulation. 2.2 Hydroacoustic ... zones. Small krill (modal length 30 mm) were scarce except in the nearshore zone where they represent ... about 30% of the stock. According to the growth curve for krill (Siegel, 1987), length modes of 45 mm ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 183–199 : Auteur(s): Ichii, T., H. Ishii and M. Naganobu

2. Food and feeding of the mackerel icefish (Champsocephalus gunnari) around South Georgia in January/February 1991

   Bundesrepublik Deutschland. Arch. Fisch. Wiss. 30 (Beih.l): 40-61. 19 1:5 41° w 39° 37" 35° .:.::I· ~t ... ,liKe, npOL\eHTHbie CO,llep:>KaHH5I MOr'YT COCTaBHTb 6oJiee t:J:eM 100%) (HCTOLJ:HHK: KoK, 1981 ... Seefischerei, Bundesforschungsanstalt fur Fischerei, Palmaille 9, D-2000 Hamburg 50, Germany 2 British ... the maturity process of the species around South Georgia in the 1990/91 season. 2 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 15–23 : Auteur(s): Kock, K.-H., I. Everson, S. Campbell, G. Parkes, Z. Cielniaszek and J. Szlakowski

3. CCAMLR ecosystem monitoring and management: future work

   scale during the early stages of the fi shery and to 0 1 2 3 0 1 2 3 D en si ty 0 10 20 30 ... it h ef fe ct s of c ha ng es in pr ey o n pr ed at or s an d th e co nv er ... it h co m pe ti ti on a nd c om pl ex tr op hi c st ru ct ur e Pr ed at or d yn ... (1 99 5) ; T ho m so n et a l. (2 00 0) M an ge l a nd S w it ze r (1 99 8) C ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 233–253 : Auteur(s): Constable, A.J

4. Preliminary analyses of data collected during experimental phases of the 1994/95 and 1995/96 Antarctic crab fishing seasons

   Champion during Phases 1 and 2 of the experimental crab fishery were analysed using generalised additive ... data from the Phase 2 depletion experiments did not have significant negative slopes. The insignificant ... tagged and released during Phase 2. Four of the tagged crabs were recovered, and these crabs were at ... miles/day. Mark-recapture estimates of standing stock and density were made for the area around Phase 2 ... . CO~J I~CHO pe3yJIbTaTaM, IlOJIyYeHHbIM np11 MCnOJlb30BaHkiM 0606LlJeM~bl~ ZlAAMTHBHbIX ~ o ~ e n e f ... Clzainpion during Phases 1 and 2 of the experimental crab fishery were analysed using generalised additive ... catch data from the Phase 2 depletion experiments did not have significant negative slopes. The ... 000 crabs were tagged and released during Phase 2. Four of the tagged crabs were recovered, and these ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 141–159 : Auteur(s): Watters, G

5. Supplementary data on exploited stocks in Division 58.5.1 (Kerguelen)

   rates of fish stocks in the South Georgia and Kerguelen Islands areas. SC-CAMLR-SSPI4: 229-30. 153 ... 2.1 -co 3D 10.1 4.1 99 1.8 41 4.2 345 8.9 899 20.1 356 16.0 40 23.5 254 20.2 312 15.3 39 6.9 .... J1 J ... . gunnari Total 1988/89 24 25 26 27 28 29 30 81 Total length (cm) o Male + Female 32 33 34 ; 0' I ... Frequency of C. gunnari Total 1988/89 27 28 29 30 32 Total length (cm) I * 33 34 35 36 3'7 :-( FC ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 147–161 : Auteur(s): Duhamel, G.

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

   and can live to at least 27 years, M. caml takes more than 30 years Table 4: Discriminant analysis ... by the New Zealand Ministry for Primary Industries (project ANT2012-01 Obj 7C) with co-funding ... 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

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

   South Georgia. Krill density in the western box in the early-season survey was very low (3.5 g m-2) but ... rose significantly (P = 0.020) by midseason (to 34.7 g m-2). In a pattern that is consistent with ... in the eastern box (80.4 g m-2). Analysis of transect data obtained in the western box in the ... -2 that was intermediate between the eastern and western areas. The size structure of the krill in ... 0.70 West W31 30 Dec 2000 76.26 10.52 West W41 30 Dec 2000 81.50 0.61 Mid West W11 2 Jan 2001 80.8 ... 30 Dec 2000 83.28 206.98 East E22 30 Dec 2000 74.61 7.32 East E31 31 Dec 2000 80.49 32.22 East E32 31 ... muestreo científi co. ‘TSc preds’ denota los valores de potencia del blanco de los depredadores ... box in the early-season survey was very low (3.5 g m-2) but rose signifi cantly (P = 0.020) by mid ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 71–82 : Auteur(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. Acoustic estimates of krill biomass in the Elephant Island area: 1981–1993

   (January 1993) and biomass densities range from 2.5 g/m 2 to 134.5 g/m 2. Average biomass and average ... density over the 13-year period were 1 703 x  103 tonnes and 53.2 g/ 2. File:  01hewitt-demer.pdf ... surveys (30 mm and 41 mm). Klindt's biomass estimate for the 1985 survey may be adjusted by a factor ... OqeHKH IIJIOTHOCTH ~ H O M ~ C C ~ I HaXOjqIITCR B IIpeAenaX OT 2,s r/M2 no 134,s r/M2. CP~AHRII 6 a o ... krill target strength (-37.70 dB/kg for 40 to 45 mm krill, Hewitt and Demer, 1993 - Table 2) results in ... , estimated biomass densities of krill in the Elephant Island area decreased monotonically from 134 g / m 2 ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 1–5 : Auteur(s): Hewitt, R.P. and D.A. Demer

9. Acoustic estimates of krill density at South Georgia, 1981 to 1998

   from year to year over that time, ranging from ≈ 2 to  ≈ 150 g m-2 (fresh mass). The 1982, 1991 and ... % confidence limits <15 g m-2). For five of the summers between 1990 and 1998 it was possible to calculate ... -krill relations in the South Georgia marine ecosystem. CCAMLR Science, 3: 13-30. FRAM Group. 1991 ... fluctuated widely from year to year over that time, ranging from =2 to =l50 g m-2 (fresh mass). The 1982 ... annee, entre "2 et "150 g me2 (poids vif). Les saisons d'ete austral de 1982,1991 et 1994 se ... l'intervalle de confiance 5 95% 2). Pour cinq des et& de 1990 B 1998, il est possible de calculer des ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 47–57 : Auteur(s): Brierley, A.S., J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson

10. The foraging range of Adélie penguins – implications for CEMP and interactions with the krill fishery

    past harvests of krill taken within a grid of 0.5" latitude by 1" longitude (approximately 30 km by ... 30 km) between 1972 and 1994. They are taken as indicating the consistent presence of harvestable ... -shaped area with an angle of approximately 30". Whilst fast-ice was still present they walked to the ... . crystalloropkias ("10 1 1 -9 13 - 42 5 7 30 4-9 Adelie penguins were tracked from Petrel Island during ...

    Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 75–87 : Auteur(s): Kerry, K.R., J.R. Clarke, S. Eberhard, H. Gardner, R.M. Lawless, S. Corsolini, S. Focardi, E. Franchi, D. Rodary and R. Thomson

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