Résultats de la recherche

1. Effect of line sink rate on albatross mortality in the Patagonian toothfish longline fishery

   magazine/hour. 50-100 kg anchors which sank the mother line quickly to target depths (thereby reducing ... dive recorders were made on the second magazine deployed in a set, a set usually involving eight ... 12 X 6.5 kg weights/magazine as described above. After four days fishing the CFL Pioneer caught in ... further behind the vessel) and weights were deployed every 70 m (i.e. 16 weights/magazine) on the ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 133–150 : Auteur(s): Robertson, G.G

2. Using ecosystem monitoring data to detect impacts

   average health or performance of individuals within indi- cator populations. Such parameters do not ... ; Constable, 2001). The CCAMLR Ecosystem Monitoring Program (CEMP) is intended to detect fisheries impacts ... the monitored predator (Reid and Croxall, 2001; Barlow et al., 2002; Reid et al., 2005). It has ... could be integrated into the manage- ment of krill fisheries (Constable, 2001, 2002), for example by ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 197–212 : Auteur(s): Hill, S.L., J. Forcada, P.N. Trathan and C.M. Waluda

3. Fishing ground selection in the Antarctic krill fishery: trends in patterns across years, seasons and nations

   remained relatively constant in Subareas 48.2 (March–May) and 48.3 (June–August). In 25 years of krill ... 2001/02, some catch was reported from APBSE and APBSW during the June–August period (mid-winter ... , operational timing has remained relatively constant in Subareas 48.2 (March–May) and 48.3 (June–August). In ... the Antarctic krill fishery (a: December–February; b: March–May; c: June– August; d: September ... often continued until the June–August period. Catches in this area have decreased slightly in recent ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 117–141 : Auteur(s): Kawaguchi, S., S. Nicol, K. Taki and M. Naganobu

4. Otolith microstructure of juvenile mackerel icefish (Champsocephalus gunnari) (Channichthyidae) in the South Georgia area

   2001/02 year class lasted four months. This was estimated based on a retrospective count of daily ... 500 days (TL 13.1 cm). The pelagic stage of egg incubation development for fi sh of the 2001/02 year ... de la classe d'âge de 2001/02 a duré 4 mois. Cette estimation est fondée sur le comptage ... см). Пелагическая стадия инкубационного периода развития икры для рыбы годового класса 2001/02 г ... ; Lisovenko, 1982; Frolkina, 1989, 1999, 2001, 2002) has demonstrated that fi sh with gonads at stages II ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 173–181 : Auteur(s): Shcherbich, L.V

5. CCAMLR ecosystem monitoring and a feedback management procedure for krill

   kriU at the specified level cause the health of predator populations to decline below an acceptable ... . This paper examines some of the issues that need to be addressed by the Scientific Committee in ... level?". There are two issues that arise from this general question. First, the degree of change ... need to be addressed. In summary, two important issues need to be addressed by WG-CEMP and WG-Krill ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 345–350 : Auteur(s): Constable, A.J.

6. Estimating the impact of depredation by killer whales and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia

   the season in August. Killer whale interactions appear to be more consistent with no obvious pattern ... the start of the season with the sightings becoming fewer towards the end of the season in August ... (Subarea 58.7). In the Crozet and Kerguelen fishery, depredation has been estimated since 2001 ... year to year since 2001 (SC-CAMLR, 2007a). Currently only limited data on depredation levels from the ... the fishing sea- son (May to August). In addition to the presence or absence and abundance of ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 163–178 : Auteur(s): Moir Clark, J. and D.J. Agnew

7. An overview of Southern Ocean zooplankton data: abundance, biomass, feeding and functional relationships (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   in size structure and abundance. Other issues are specific to polar environments, for example, lipid ... ; Pasternak and Schnack-Schiel, 2001). A global analysis of copepod diets showed that ciliates comprise on ... ) and use of large seasonal lipid stores (Hagen et al., 2001). The larvae and post-larvae of E ... al., 2001). In years of low E. superba availability at South Georgia, they can act as an alternative ... copepods (Wada et al., 1987; Gurney et al., 2001; Stowasser et al., 2012). This is clearly not true and ...

   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

8. Effects of recruitment variability and natural mortality on generalised yield model projections and the CCAMLR decision rules for Antarctic krill

   (Hofmann et al., 1998; Murphy et al., 1998; Murphy and Reid, 2001; Siegel et al., 2003; Tarling et al ... based on maximum age. Murphy and Reid (2001) suggested that a value of 1.25 produced the best match ... 0.610 0.268 1998 0.279 n/a 0.690 0.462 1999 0.022 n/a 0.168 0.042 2000 n/a n/a n/a n/a 2001 0.106 n ... -11/43 Rev. 1. CCAMLR, Hobart, Australia: 37 pp. Murphy, E.J. and K. Reid. 2001. Modelling Southern ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 81–96 : Auteur(s): Kinzey, D., G. Watters and C.S. Reiss

9. A potential feedback approach to ecosystem-based management: Model Predictive Control of the Antarctic krill fishery

   formulation of Constable’s (2001) multi-species model in Hill et al. (2006). It is modified to include ... Constable (2001), and harvesting and movement are represented with additive loss or gain terms. Hill ... modelled as normally distributed random vari- ables in each area (Constable, 2001): ( )2, ~ , ii k i KKK σ ... taken from Constable (2001). The variances of random variables were chosen to be similar to the ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 119–137 : Auteur(s): Hill, S.L. and M. Cannon

10. Antarctic krill and ecosystem management – from Seattle to Siena

    over 500 000 tonnes in 1982 and a total of 6.1 million tonnes being taken between 1973 and 2001 ... de- velop ecosystem assessments as a means to obtain some indication of ‘ecosystem health’, taking ... ) embodied in the Convention. It necessitated consideration not only of sustainability issues, but also of ...

    Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 175–212 : Auteur(s): Miller, D.G.M

Pages