Résultats de la recherche
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A preliminary investigation of the possible effects of rhizocephalan parasitism on the management of the crab fishery around South Georgia
. Por 10 tanto, el parasitismo puede reducir la biomasa reproductora efectiva del stock, repercutiendo ... (arbitrary) levels of prevalence in the unexploited equilibrium stock: low (10%), medium (35%) and high (65 ... spawning stock is already below its maximum level, even without any harvesting. 0 0 10 20 30 40 50 60 ... 70 O h Prevalence I resilient S-R (r=10) V sensitive S-R (r=0.01) Figure 2: Ratios (in %) of ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 175–192 : Auteur(s): Basson, M
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Low breeding success of the Adélie penguin at Béchervaise Island in the 1998/99 season
transmitters (PTTs), model ST-10, packaged by Sirtrack (New Zealand) and weighing a total of 90 g ... October 1998 (first arrival) to 10 March 1999 (departure of last chick). A total of 4 063 penguins ... which birds were significantly lighter than in 1991/92 Distance to Ice Edge m) 10-14 Feb I 15-19 ... interaction between season and sex (F = 2.795, p < 0.02). The mean male foraging trip duration was ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 151–167 : Auteur(s): Irvine, L.G., J.R. Clarke and K.R. Kerry
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Distribution and size–age composition of Antarctic krill (Euphausia superba) in the South Orkney Islands region (CCAMLR Subarea 48.2).
from 10 to 200 m. Trawling was carried out using the conventional technique (landing of the trawl on ... pre-spawning krill decreased dramatically (10%), and recently spent individuals (stage V) dominated ... transport in the Scotia Sea and environs. Ant. Sci., 10 (4): 406–415. Ichii, T. and M. Naganobu. 1996 ... and preliminary results. Document WGEMM09/10. CCAMLR, Hobart, Australia: 14 pp. Loeb, V. and V ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 123–134 : Auteur(s): Sologub, D.O. and A.V. Remeslo
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Use of indices of predator status and performance in CCAMLR fishery management
interaction is the most closely coupled of those available and must offer the best chance of developing a ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 353–365 : Auteur(s): Croxall, J.P.
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The Kerguelen database
ageing of N. squamifrons are illustrated in Figure 10. It is evident that only a part of the population ... _ 0 __ _ 0 __ 10 ° ° 0 ° ----23---- 7 + + 4 ----23---- _ 5 ___ 0 __ - _+ __ _ 0 __ ~ 1L- _1 __ ... 1979-80/1985/86. 08 09 10 11 12 01 02 r I 1981~~~~~:=== 1982 III-yoar 1982~========~ 1983 ... + 46.30 ub.1I0 4h.50 46.1,0 n .10 07,2u H .30 47 • ilU n .50 48. 0 U ~8.10 48.2u 4tl.30 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 23-54 : Auteur(s): Duhamel, G.
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Distribution and relative abundance of juvenile icefish (Champsocephalus gunnari) from a trawl survey of the South Georgia shelf in June–July 1985
- 55 - WG-CFSA-86/10 DISTRIBUTION AND RELATIVE ... -bottom (2-5 m off the sea-bed), mid-Water and near surface. The duration of each haul was 10 minutes at ... Tableau 2 - 63 - List of Tables Juvenile mackerel icefish catches in relation to depth (June - July ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 55-63 : Auteur(s): Boronin, V.A., G.P. Zakharov and V.P. Shopov
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Preliminary results of a bottom trawl survey around Elephant Island in October and December 1987
de Chaenocepha/us aceratus, Notothenia gibberifrons y Notothenia neg/ecta por 10 menos desde febrero ... anteriores, 10 cual indica un intercambio con C. gunnari de otras areas de la plataforma de la region de la ... Polarfuchs on 12 December 1987 using a 4 m beam trawl with a mesh size of 10 mm. Fishing depth varied from ... 10-60 m. Trawling time was 15 minutes. Total length of the specimens sampled was measured to the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 185-200 : Auteur(s): Kock, K.-H.
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Management and assessment options for the crab fishery around South Georgia
not more than 10%). Knowledge of stock size is relevant to two aspects of management. First, when ... established and investigated to address issues such as their efficiency and design. It is clear that we do ... D.C. Reed. 1993. Conceptual issues relevant to marine harvest refuges: examples from temperate reef ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 193–202 : Auteur(s): Basson, M. and D.D. Hoggarth
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Characteristics of krill swarms from Prydz Bay
. File: 10-Agnew-and-Higginbottom.pdf ... encontrados a 10 largo de un transecto de 78 km, efectuado en la plataforma continental cercana a la ... to 10 m and the minimum ISL to 2 m, to ensure that the shortest 'swarms', single ping encounters ... the equations TS = -127.45 + 34.85 log 10 (length in mm) (TS relationship for E. superba given by ... using MVBSswarm = 10 IOglO ~i=::.!...l __ n where n = number of ping/depth intervals in the swarm ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 177–189 : Auteur(s): Agnew, D.J. and I.R. Higginbottom
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A simple approach for calculating the potential yield of krill from biomass survey results
median pre-exploitation level over a 20 year period of harvesting should equal 10%. The value of, λ ... -exploitation level over a 20 year period of harvesting should equal 10%. The value of 'A, depends strongly on ... l'exploitation, devrait etre egale a 10%. La valeur de 'A, est fortement dependante de la valeur de M ... 3a 20-JIeTHHH nepHo~ npOMbICJIa, ~OJI)I{Ha paBH5ITbC5I 10%. 3Ha'-leHHe A cYlllecTBeHHo 3aBHCHT OT ... -explotaci6n, sobre un periodo de captura de 20 afios, debeni ser igual a un 10%. El valor de A. esta ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 207–217 : Auteur(s): Butterworth, D.S., A.E. Punt and M. Basson