Résultats de la recherche
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The 1991/92 fishery for Dissostichus eleginoides in Subarea 48.3
······ .... - ····_·1········- .......... t····_·········· i i i : : i -S7 -50 -45 -40 -35 -30 LONG Figure 8 ... single plane ("semicurved, twisted") [Japanese brand, sizes 7 and 9; width 30 to 35 mm]; • Type III ... . eleginoides was rather shorter than previous seasons, primarily because of the entry into the fishery of the ... Russian c 20 to 25 mm 120 cm 2400 - 4800 Russian d 20 to 25 mm 120 cm 13500 Russiane 25 to 30 mm 120 cm ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 31–48 : Auteur(s): Agnew, D.J. and C.A. Moreno
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A first step towards modelling the krill–predator dynamics of the Antarctic ecosystem
of increased availability of food in the form of krill that is postulated for minke whales. They ... , seems certainly plausible. More recent trends in whales and seals in the Antarctic More than 30 ... 30–60%. They attrib- uted this decline to increased foraging competition between the large baleen ... north as 30°S, as an index of relative density to extrapolate abundance estimates obtained from the ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 217–277 : Auteur(s): Mori, M. and D.S. Butterworth
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Assessment and tag program adaption methods for exploratory fisheries in the CAMLR Convention Area: an example application for Division 58.4.3a
combination of the assessment and tagging rate adaption methods can then form the basis of an early management ... the assessment and tagging rate adaption methods can then form the basis of an early management plan ... assumed, and the main reason for this choice is that this is the form of recapture model assumed in the ... estimated parameters must be defined. For the example case, a quasi non-informative uni- form prior (Box ... -recruit curve and maturity were made to reduce the equation for r to a simpler algebraic form. The FLR ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 101–113 : Auteur(s): Hillary, R.M
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An overview of Southern Ocean zooplankton data: abundance, biomass, feeding and functional relationships (submitted to the 2008 Joint CCAMLR-IWC Workshop)
, since mesozooplankton typically remove <30% of primary production. This emphasises the dominant role ... typically remove <30% of primary production. This emphasises the dominant role of microbial food chains ... of plank- tonic invertebrate metazoans of contrasting body form and life style. Common zooplankton ... to the food web in multiple ways. Epipelagic copepods have a broadly similar body form and ... average ~30% of the ciliate plus phytoplankton diet component (Calbet and Saiz, 2005). This underlines ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 171–218 : Auteur(s): A. Atkinson, P. Ward, B.P.V. Hunt, E.A. Pakhomov and G.W. Hosie
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The CCAMLR-2000 Krill Synoptic Survey: a description of the rationale and design
form part of long time series. These include the BAS Core Programme (UK), the US AMLR survey (USA ... Georgia. Mar. Ecol. Prog. Ser., 150 (1-3): 87-98. Butterwortl-t, D.S., A.E. Punt ai-td M. Basson. 1991 ... Parallel 2 Meridian Projection Shift Scotia Sea WGS84 Metres 54"30'S 59"30fS 40°W 62"W 0, 0 Antarctic ... approximately 30 days of ship time. Other nations were also able to undertake smaller-scale regional acoustic ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 1–23 : Auteur(s): Trathan, P.N., J.L. Watkins, A.W.A. Murray, A.S. Brierley, I. Everson, C. Goss, J. Priddle, K. Reid, P. Ward, R. Hewitt, D. Demer, M. Naganobu, S. Kawaguchi, V. Sushin, S.M. Kasatkina, S. Hedley, S. Kim and T. Pauly
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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 ... taken both by bottom trawl (30' duration; 12 to 20 stations, depending on weather and bottom ... - - - ' , ' i " " " ' " " " ' I " " 0 10 20 30 Total length (cm) Figure 2: Quarterly LFDs for C. gunnari ... J l l l l l / , , , 3 I " " " " I " " . I ' I ' ' " ' E a 0 10 20 30 2. 0 Total length ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 21–34 : Auteur(s): Duhamel, G
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Composition and characteristics of ichthyofauna in pelagic waters of South Georgia (Subarea 48.3)
Georgia 30 30 - 25 20 % Gij 25 n7kaL Gij 28 5 - 0 0 0 0 0 0 0 0 0 0 c ) o ~ T - ~ c ) o ~ T ... fish of age group 1, which comprised 30-50% of catches, significant amounts of larger specimens of C ... of 30 to 50 m (bottom depth in the area - 130 to 143 m) to the south and southeast of Black Rock ... Cruise 30 07.07- 08.08.87 6 0 60 70 120 100 160 the south, 105 mm to the east and 110 mm to ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 125–164 : Auteur(s): Frolkina, G.A., M.P. Konstantinova and I.A Trunov
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An assessment of toothfish in Subarea 48.3 using CASAL
cm and length range for maturity of 30 cm (i.e. zero maturity at 78 cm and 100% maturity at 1 080 ... - Holt stock-recruit relationship. The first season was assumed to run from 1 December to 30 April ... spawning take place, lasted from 1 May to 31 August. The remainder of the year (1 September to 30 ... the form of the Petersen estimator implemented using Bailey’s binomial adjustment as ( 1)ˆ ( 1) Y Y ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 65–95 : Auteur(s): Hillary, R.M., G.P. Kirkwood and D.J. Agnew
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Use of the Leslie stock depletion model for the assessment of local abundance of Patagonian toothfish (Dissostichus eleginoides)
y un resumen de analisis previos a fin de examinar si las disminuciones en el CPUE pueden ser ... . Substituting equation ( 3 ) into equation (4) gives: which is in the form of a linear regression y = a ... require a more complex model. However, the form that such a model might take is not straightforward ... regressions performed on each data series. At its 1994 meeting, WC-FSA used a one-tailed Student's t ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 55–77 : Auteur(s): Parkes, G., C.A. Moreno, G. Pilling and Z. Young
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Krill fishing in the Scotia Sea in relation to bathymetry, including the detailed distribution around South Georgia
restricted area of about 30 x 20 km. There were also a few isolated hauls made outside this area. During ... the fishery in this area is likely to make some form of catch-per-unit-effort (CPUE) statistic a ... year of krill scarcity. Mar. Ecol. Prog. Ser., 138: 51-61. Brierley, A.S., J.L. Watkins and A.W.A ... . 1996. Environment-krill relations in the South Georgia marine ecosystem. CCAMLR Science, 3: 13-30 ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 1–17 : Auteur(s): Murphy, E.J., P.N. Trathan, I. Everson, G. Parkes and F.H.J. Daunt