Resultados de la búsqueda

1. Timing of clutch initiation in Pygoscelis penguins on the Antarctic Peninsula: towards an improved understanding of off-peak census correction factors

   as a proxy for phytoplankton abundance (Bidigare et al., 1996; Smith et al., 2001; Murphy et al ... –19961 1999–2000 LTER Palmer Station archive, online2; (Contributor: William Fraser) see Fraser (2004 ... used were from Palmer Station (data available from LTER Palmer Station archive, online2 (Contributor ... Lynch et al. 158 in mean clutch initiation date was only ~15 days (between 2001 and 2002 at both Cape ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 149–165 : Autor(es): Lynch, H.J., W.F. Fagan, R. Naveen, S.G. Trivelpiece and W.Z. Trivelpiece

2. 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 Géorgie du Sud. Les juvéniles se composent de deux classes d’âges issues de la ponte des ... 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 ...

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

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 : Autor(es): Kawaguchi, S., S. Nicol, K. Taki and M. Naganobu

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

   . This paper examines some of the issues that need to be addressed by the Scientific Committee in ... kriU at the specified level cause the health of predator populations to decline below an acceptable ... 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 : Autor(es): Constable, A.J.

5. 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 : Autor(es): Moir Clark, J. and D.J. Agnew

6. Scientific observations in CCAMLR fisheries – past, present and future

   mammals. The scheme is limited to scientific observation only and is separate from enforcement issues ... observation only and is separate from enforcement issues which are covered by the CCAMLR System of Inspection ... enforcement issues that are covered by CCAMLR under the System of Inspection1. How- ever, CCAMLR, through its ... introduced in 2000. na – not applicable. Logbook format 1996 1997 1998 1999 2000 2001 2002 2003 2004 ... collected pursuant to the data collection plans for the period up to 31 August 2005 should be submitted to ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 81–98 : Autor(es): Sabourenkov, E.N. and E. Appleyard

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 ... and abundance. Other issues are specific to polar environments, for example, lipid storage which ... ; 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 ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 171–218 : Autor(es): 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 ... Bellingshausen Sea (LTER) and the West area of the AMLR grid. There are two general issues to consider con ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 81–96 : Autor(es): 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

   Antarctic krill fisheries; to illustrate the elements of feed- back control strategies, and the issues that ... 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 ...

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

10. The sensitivity of multiple output statistics to input parameters in a krill–predator–fishery ecosystem dynamics model

    productivity, health, resilience and services. These objectives are also consistent with CCAMLR’s con ... , including one each for krill (productivity) and fishery performance (services) and two (health and ... abundance at beginning of fishing period. Krill Whole model Health (II.3(b) maintenance of the ... of krill, calculated within the model. (iii) Each taxon-specific health or resilience output ...

    Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 97–118 : Autor(es): Hill, S.L. and J. Matthews

Páginas