Résultats de la recherche

1. The role of fish as predators of krill (Euphausia superba) and other pelagic resources in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   parameters (e.g. Croxall, 1992; Guinet et al., 1994; Wilson et al., 2001; Boyd, 2002; Kock and Everson ... (Butterworth and Thomson, 1995; Murphy, 1995; Mangel and Switzer, 1998; Thomson et al., 2000; Constable, 2001 ... past 25 years (Kock, 1986; Jones et al., 1998, 2000, 2001, 2003; Jones and Kock, 2006, 2009; Kock ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 115–169 : Auteur(s): Kock, K.-H., E. Barrera-Oro, M. Belchier, M.A. Collins, G. Duhamel, S. Hanchet, L. Pshenichnov, D. Welsford and R. Williams

2. Beyond MSY: a consideration of definitions of management objectives

   Criteria Under Variability and Uncertainty The previous section suggests that if a stock could suffer ... of interactions between species and variability. A number of alternative formulations have been ... . Knowledge of the interactions between krill and other species is still far from enabling a target F to be ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 299-322 : Auteur(s): Gulland, J.A.

3. Options for allocating the precautionary catch limit of krill among small-scale management units in the Scotia Sea

   the Scientifi c Committee and the Commission (SC-CAMLR, 2001; CCAMLR, 2001), and a workshop was ... et al., 1999; Boyd and Murray, 2001). While it may be preferable to index krill biomass and/or ... 2000/01 34.7 5263 –4.701 6.6 2.320 –4.176 2001/02 46.6 5240 –4.628 3.3 2.451 –4.331 2002/03 no data ... Georgia (Boyd and Murray, 2001; Boyd, 2002b). In contrast, the predator and krill data for the South ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 81–97 : Auteur(s): Hewitt, R.P., G. Watters, P.N. Trathan, J.P. Croxall, M.E. Goebel, D. Ramm, K. Reid, W.Z. Trivelpiece and J.L. Watkins

4. Distribution of fish larvae at South Georgia: horizontal, vertical, and temporal distribution and early life history relevant to monitoring year-class strength and recruitment

   AUGUST, 1983 Methods The study was a grid survey around South Georgia (Figure 1). There were 26 ... measure the wind strength and direction in the bay during August to January, because this may affect ... strength of the cohort. For example Champsocephalus gunnari hatch at about 12.5 mm total length in August ... , nm (b) vertical section. Figure 26 CUmberland East Bay, station sampled along 1-3. Depth m ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 105-141 : Auteur(s): North, A.W.

5. Integration of CPUE data into assessments using the Generalised Yield Model

   CCAMLR Science, Vo l . 8 (2001): 65-74 INTEGRATION OF ... ), paragraph 3.144. The method itself is described in the next section, after which a series of goodness-of ... , then this provides evidence of a lack of fit (McAllister and Kirchner, 2001). It is also necessary ... population of D. eleginoides in the region and the interaction of the fishery with the stock (Constable et ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 65–74 : Auteur(s): Kirkwood, G.P. and A.J. Constable

6. Simulation of recovery rates of fish stocks in the South Georgia and Kerguelen Islands areas

   paragraphs. The starting parameters used in this analysis are displayed in the data section. The output of ... 10.228 1997 76.771 10.381 19'7'8 81~222 11.151 1999 80.340 11 .248 2000 BO.1E:l 11.625 2001 74.125 ... . 1S "'. t 55,~, '-' 2001 73.395 5.579 2002 74.454 5.666 2003 71.571 5.411 2004 75.960 5.636 AVE ... · 06 1999 2. 99 ',7 .. ..::, . ...:. 92 06 2000 2. 94 1 02 06 2001 2.99 ..:.. .. :.. 1 .02 06 2002 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 229-298 : Auteur(s): Hennemuth, R.C., K.D. Bisack and G. Duhamel

7. Analysis of haul data from the South Georgia krill fishery

   variability in METHODS Database Description Since August 1993, haul-by-haul data have become available ... ended in August or September. A limited number of hauls were also taken outside these dates. For ... were fished in early 1995. By August the main fishing location had moved to the west (Figure Sd), and ... irregular, with the greatest shift in August and September, at the end of the season when there are fewer ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 9–30 : Auteur(s): Trathan, P.N., I. Everson, E.J. Murphy and G.B. Parkes

8. Biogeographic patterns of benthic invertebrate megafauna on shelf areas within the Southern Ocean Atlantic sector

   parameters and biological interactions. Polar Biol., 20 (4): 229–247. Gutt, J. and A. Starmans. 2001 ... , environmental and bio- logical properties, as well as the interaction of these properties. Here, benthic ... plays in shaping the Antarctic benthos to depths of up to 600 m (Gutt, 2001) has received a recent ... , 2001; Gutt and Starmans, 2001; Gutt and Piepenburg, 2003; Teixidó et al., 2004). Different levels of ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 167–192 : Auteur(s): Lockhart, S.J. and C.D. Jones

9. A von Bertalanffy growth model for toothfish at Heard Island fitted to length-at-age data and compared to observed growth from mark–recapture studies

   estima- tion has been studied by Troynikov (1999), Lucena and O’Brien (2001), Taylor et al. (2005) and ... - frequency (LF) sample. Lucena and O’Brien (2001) incorporated gear selectivity in their estimation of the ... ’ function in S-plus (Insightful, 2001) and the ‘fi tnonlinear’ directive in GenStat (Lawes Agricultural ... . The results section shows that accounting for E(ec|Lr) in equation (7) using equation (8) makes only ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 43–66 : Auteur(s): Candy, S.G., A.J. Constable, T. Lamb and R. Williams

10. Alternative methods for determining subarea or local area catch limits for krill in Statistical Area 48

    among subareas or local areas: 240 (1) Amount of information on biological interactions explicitly ... surveys, and (9) Models of predator-prey interactions. This paper is intended to initiate a discussion ... . The historical catch alternative does not consider interactions between kriU and dependent predators ... between subareas or local areas does not consider interactions between krill and dependent predators ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 237–249 : Auteur(s): Watters, G. and R.P. Hewitt

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