Résultats de la recherche
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Estimates of absolute recruitment for Patagonian toothfish (D. eleginoides) around Heard Island
recruitment distribution suitable for use in a population model are calculated. Author(s): de la Mare, W ... the Heard Island region are calculated from density at length data derived from stratified trawl ...
Meeting Document : WG-FSA-96/38 : Auteur(s): de la Mare, W.
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Length-based assessment for mackerel icefish (Champsocephalus gunnari) at South Georgia
(Champsocephalus gunnari) in Subarea 48.3 employs the CCAMLR mixture analysis program (CMIX) and generalised yield ... Paper Title: Length-based assessment for mackerel icefish (Champsocephalus gunnari) at South ... Georgia Abstract / Description: The current CCAMLR assessment method for mackerel icefish ... model (GYM) packages, which derives population numbers-at-age and projects these numbers forward under ... Georgia and some uncertainty in the growth dynamics. The CCAMLR mixture analysis (CMIX) program (de le ... mackerel icefish (Champsocephalus gunnari) in Subarea 48.3 employs the CCAMLR mixture analysis program ... accounting for around 80% of the total. In 2008 the population consisted of mostly 2+ animals with ... long- term status of fish stocks under conditions of uncertainty. CCAMLR Science, 3: 31–54. de la ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 129–137 : Auteur(s): Hillary, R.M., C.T.T. Edwards, R.E. Mitchell and D.J. Agnew
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Research currently being undertaken by the Republic of South Africa on "dependent and related species" within the Antarctic marine ecosystem
components of the biological sciences programme are described. The primary objective of the studies being ... nearllal 93 Per (;ent of the world '5tock of this spec [es, hat; be~Jn est imwted at 200 000 and is ... TeCHO CBa- 3aHHblX C HeA MOPCKHX 8KOCHCTeM. INVESTIGACIONES QUE LA REPUBLICA DE SUDAFRICA ESTA ... la e~ologia de los depredadores importantes (especialmente las focas y las aves marinas) y sus ... biological sciences programme are described. The primary objective of the sudies being undertaken is to ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 59-77 : Auteur(s): South Africa
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Biological characteristics of Antarctic fish stocks in the southern Scotia Arc region
) Program carried out two extensive surveys around Elephant Island and the lower South Shetland Islands in ... at sexual maturity and length at first spawning, gonadosomatic indices and oocyte diameter. Lesser ... not suggest geographical differences in length-to-weight growth. Differences in estimates of length at ... sexual maturity and length at first spawning indicate that in some species final maturation of the gonads ... Living Resources Program PO Box 271, La Jolla, Ca. 92038, USA S. Wilhelms HelenenstraBe 16 D-22765 ... (US AMLR) Program carried out two extensive surveys around Elephant Island and the lower South ... CCAMLR Science, Vol. 7 (2000): 141 BIOLOGICAL ... L'exploitation commercial du poisson dans la region de l'arc Scotia du Sud qui a eu lieu de 1977/78 a 1989/90 a ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 1–41 : Auteur(s): Kock, K.-H., C.D. Jones and S. Wilhelms
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Modelling krill recruitment
): W. de la Mare (Australia) Title: Modelling krill recruitment Approval: Approved ...
Meeting Document : WG-KRILL-93/13 : Auteur(s): W. de la Mare (Australia)
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Fishing intensity of the Soviet fleet in krill fisheries in the southern Atlantic (Subareas 48.2 and 48.3)
probability statistical theory of fishery systems developed at AtlantNIRO. The impact of the commercial fleet ... em ov al In te ns it y 19 87 / 88 4. 3 92 7 93 21 5 80 46 8. 7 ± 1 14 .2 ... . Document WG-Krill-93/34. CCAMLR, Hobart, Australia. Kadilnikov, Yu.V. 2001. Probability statistical ... . 19 7 ± 0 .0 47 0. 00 12 0 ± 0 .0 00 54 0. 19 80 ± 0 .0 46 19 .7 19 88 ... 88 / 89 4. 3 15 0 80 9 35 0 72 10 32 .9 ± 2 61 .8 0. 14 6 ± 0 .0 37 0 ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 15–35 : Auteur(s): Kasatkina, S.M. and V.F. Ivanova
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Seabird interactions with longlining operations for Dissostichus eleginoides around South Georgia, April to May 1994
during hauls. The 16 sets made at night contributed 15% of overall mortality, all of white-chinned ... ) predominating. Grey-headed albatrosses, whose populations (at South Georgia are in serious decline, were ... disproportionately affected in relation to the size of their breeding population at South Georgia when compared to ... , and was affected by behavioural interactions between birds. Setting only at night would dramatically ... . Accordingly, in 1992/93 observers, including one from the United Kingdom, were placed on board the FV ... in this fishery. Chile agreed to take part in the fishery, and as in 1992/93 the F'V Friosur V was ... the New Zealand Ministry of Agriculture and Fisheries in its Fisheries Scientific observer Program ... et al. giant petrels but increasing later, 80 to 100 black-browed albatrosses and 40 wandering ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 111–121 : Auteur(s): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno
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Vertical migrations of mackerel icefish (Champsocephalus gunnari) on the South Georgia shelf
. At night, fish disperse and migrate to the upper layers 50 to 60 m beneath the surface. The main peak ... of fish feeding activity was also observed at night. Fishing during this period with bottom trawls ... had yielded almost no catches at all. The information obtained on vertical migrations of C. gunnari ... 60 A ~ 80 1 \ =--=~ r 100 :~ I ·. · l 100 L. : : "'_ ) ·1 180 _.- -:-- ..,--" \ ~. . ;" .. o ... variation de la biomasse du poisson des glaces (Champsocephalus gunnari) calculee a partir des donnees des ... . gunnari. pendant les annees d'abondance de l'espece (1982/83, 1983/84 et 1986/87). La capture par heure ... de peche est analysee en fonction de l'heure a laquelle elle a ete realisee. 11 est tenu compte a la ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 3–14 : Auteur(s): Frolkina, J.A. and V.I. Shlibanov
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Target strength studies on Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea
Bay) at 38, 120 and 200 kHz in May 2007 and in February 2009. Overall ex situ TS–TL relationships were ... TL(cm) –73.74; (N = 16). Nine in situ acoustic trawl experiments targeted at juveniles and post ... continental slope and shelf of the Ross Sea at depths from 30 to 120 m, during the Italian expeditions of 1997 ... indicate that the TS–TL relationships at 38, 120 and 200 kHz of adults of P. antarcticum differ ... set higher (–80 dB re m–1) in ex situ experiments because the targets were sus- pended near the ... threshold (dB re m –1) –80 Noise margin (dB) 0 0 0 Azzali et al. 80 Table 2: Length classes of ... ). For this study, only catches in which P. antarcticum were similar in size and comprised around 80 ... –1 35 80 –1 10 75 –1 15 Fo rm s of fi sh d is tr ib ut io n T ra ns ec t ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 75–104 : Auteur(s): Azzali, M., I. Leonori, I. Biagiotti, A. De Felice, M. Angiolillo, M. Bottaro and M. Vacchi
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e-imaf-00 report.pdf
... research program on white-chinned petrels at South Georgia had concluded, the population assessment ... from 80% last season to 92% this season. In Subareas 58.6 and 58.7 compliance fell slightly from 84 ... – 23% (18 of 80 birds) 1999 – 36% (21 of 59 birds). This suggests that the delay in starting the ... catch into summer and winter components. Three alternative splits (80:20, 70:30 and 60:40) were used
application/pdf attached to:WG-IMAF-00 ad hoc
Meeting Report : WG-IMAF-00 ad hoc