Resultados de la búsqueda

1. Optimization of survey sampling design in the detection of interannual variability and prey size selectivity in the diet of penguins

   the assumptions of balanced design and the variance component of ‘penguin-by-date’ interaction equal ... inter-annual variation for mean prey size is fixed at 10%; the test power is taken as 0.9 and Type I ... and the variance component of "penguin-by-date" interaction equal to the variance component of ... variation for mean prey size is fixed at 10%; the test power is taken as 0.9 and Type I errors fixed at ... variation interannuelle minimale de taille moyenne des proies est fixee a 10%; la puissance du test est ... 10%; QYBCTBHTeJIbHOCTb. npHHSlTa 3a 0,9 H ypoBeHb norpemHocTeti THna I - 0,1. CTOHMOCTb Heo6xo ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 551–559 : Autor(es): Marschoff, E. and B. Gonzalez

2. Effects of weather and sea-ice on the reproductive performance of the Adélie penguin at Edmonson Point, Ross Sea

   (Pygoscelis adeliae) was studied at Edmonson Point, Victoria Land, during the 1999, 2001 and 2003 breeding ... females were significantly longer than in 1999 and 2001, which in turn delayed the mean departure date of ... delayed compared to dates recorded in 1999 and 2001. The average weight of adults rearing chicks was lower ... Point, Victoria Land, during the 1999, 2001 and 2003 breeding seasons. Weather and sea-ice regimes ... than in 1999 and 2001, which in turn delayed the mean departure date of males on the second incubation ... recorded in 1999 and 2001. The average weight of adults rearing chicks was lower in 2003. It is suggested ... pointe Edmonson, en Terre Victoria, pendant les saisons de reproduction de 1999, 2001 et 2003. Les ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 99–109 : Autor(es): Olmastroni, S., F. Pezzo, V. Volpi and S. Focardi

3. Mesopelagic fish of the Southern Ocean - summary results of recent Soviet studies

   , Krefftichthys (Protomyctophum) anderssoni and Gymnoscopelus nicholsi. A complete list of publications is ... greatly and mainly are within a range of 5.5 to 10 cm (modal length 8.5 to 9.6 cm). Size compositions of ... cm, L95=9-10 cm (Lisovenko and Efremenko, 1982). Females were more frequent in samples (sex ratio ... at the beginning of spring (August/September). From November to May gonads of E. carlsbergi were ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 433–457 : Autor(es): Sabourenkov, E.N.

4. Analysis of albatross and petrel distribution within the CCAMLR Convention Area: results from the Global Procellariiform Tracking Database

   breeding sites, the principal threat to many species is from interaction with fisheries (Robertson and ... , albatrosses and petrels are not only the object of at-sea observation data (e.g. White et al., 2001; Woehler ... areas still represent areas where there is potential interaction with fisheries. Data holders ... indicated on maps), and where sample sizes are small. Ideally, analysis would be based on at least 10–15 ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 143–174 : Autor(es): BirdLife International (prepared by C. Small and F. Taylor)

5. CCAMLR ecosystem monitoring and management: future work

   ), Mangel and Switzer (1998) and Constable (2001) – although such modelling was also undertaken for the ... on the major species (see Yodzis, 2001 for review). Scales of Monitoring and Management for a ... , 2001). In addition, varia- tion in the fi shery might arise through varying dependence on particular ... scale during the early stages of the fi shery and to 0 1 2 3 0 1 2 3 D en si ty 0 10 20 30 ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 233–253 : Autor(es): Constable, A.J

6. The use of predator-derived krill length-frequency distributions to calculate krill target strength

   weeks produced a 10% difference in TS, whereas simultaneous samples from predators and nets produced ... CCAMLR Science, Vol. 8 (2001): 155-163 SHORT NOTE THE ... - frequency distribution of krill over a period of a few weeks produced a 10% difference in TS, whereas ... de quelques semaines provoquent une diffkrence de 10% de rPponse acoustique, alors que les ... varias semanas produjo una diferencia de 10% en la potencia del blanco (TS), mientras que la diferencia ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 155–163 : Autor(es): Reid, K. and A.S. Brierley

7. A statistical method for estimating the level of IUU fishing: application to CCAMLR Subarea 48.3

   040–23 361, 140–9 023 respectively for birds. Despite continuing high levels of FPV coverage from 2001 ... catches for the years 2001/02, 2002/03 and 2003/04. File:  07agnew-kirkwood.pdf ... 2001 to 2004, no further IUU activity has been detected, leading to estimates of zero fi sh and bird ... catches for the years 2001/02, 2002/03 and 2003/04. Résumé Ce document décrit une nouvelle méthode ... respectivement pour les oiseaux. Malgré les niveaux de couverture élevés des navires de surveillance de 2001 à ... poisson et d’oiseaux pour les années 2001/02, 2002/03 et 2003/04. Резюме В данной статье описывается ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 119–141 : Autor(es): Agnew, D.J. and G.P. Kirkwood

8. A fine-scale model of the overlap between penguin foraging demands and the krill fishery in the South Shetland Islands and Antarctic Peninsula

   for a number of reasons, an alternative method of calculating an index of fishery-predator interaction ... has been developed. The new index reflects the functional interaction between these two utilisers of ... calculating an index of fishery-predator interaction has been developed. The new index reflects the ... functional interaction between these two utilisers of the krill resource and is based on a detailed model of ... interaction, foraging, gentoo penguin, macaroni penguin, krill fishery, CCAMLR INTRODUCTION The question ... short (all about 10 km). Accordingly, the following standard parameters were chosen for the model ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 99–110 : Autor(es): Agnew, D.J. and G. Phegan

9. Variations in condition indices of mackerel icefish at South Georgia from 1972 to 1997

   CCAMLR Scier~ce, Vol. 8 (2001): 119-132 VARIATIONS IN ... interaction, CCAMLR INTRODUCTION Mackerel icefish (C1zni1ipsocep1~nli~s gtlnnnui) are widespread in ... 40°W and 44"W. The series of data have been grouped by month, beginning in August 1972 and ... 1.02 10 5 1.04 8 1.04 few samples around the spawning season. The important point here is that ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 119–132 : Autor(es): Everson, I. and K.-H. Kock

10. Assessing the power to detect systematic change in Adélie penguin foraging trip duration

    impact and thereafter remains constant (step change), (ii) the effect size is reached after 10 years of ... scenarios, analyses were undertaken for a varying number of years of post-impact monitoring (1–10, 15, 20 ... would take 10–15 years to detect a change with probability >0.80 for the crèche and guard stages ... accept a Type I error rate of 0.20 and monitor for up to 10–15 years after the impact to detect a ...

    Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 201–215 : Autor(es): Southwell, C., J. Clarke and L.M. Emmerson

Páginas