Search results
-
A review of data on abundance, trends in abundance, habitat use and diet of ice-breeding seals in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop)
the sampled regions to the entire pack-ice. Given these issues, the acknowledged guesswork underlying Laws ... relating to this issue is unclear. (iv) Uncertainty or precision. Large-scale surveys of wildlife ... ., 2001; Sato et al., 2002; Hindell et al., 2002; Davis et al., 2003; Watanabe et al., 2003; Fuiman et ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 49–74 : Author(s): Southwell, C., J. Bengtson, M. Bester, A.S. Blix, H. Bornemann, P. Boveng and M. Cameron, J. Forcada, J. Laake, E. Nordøy, J. Plötz, T. Rogers, D. Southwell, D. Steinhage, B.S. Stewart and P. Trathan
-
A comparison between otoliths and scales for use in estimating the age of Dissostichus eleginoides from South Georgia
CCAMLR Scicrzce, Vol. 8 (2001): 75-92 A COMPARISON ... (Ashford, 2001). The blocking factor was individual fish, considered randomly drawn from the wider ... , 2001). Additionally, variability increased little wit11 age, so that CV decreased, and the lower mean ... ~ford, 2001). Residual variances were therefore better rneasures of relative precision. Reader ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 75–92 : Author(s): Ashford, J.R., S. Wischniowski, C. Jones, S. Bobko and I. Everson
-
Size at sexual maturity of Patagonian toothfish (Dissostichus eleginoides)
. The periods used were March/April, May/June and July/August. The only exception to this was that, due ... to the closure of the fishery, there were no data for August 1996; this category therefore only contains data ... Male MaylJune 1997 Male JulylAugust 60 70 80 90 100 110 120 130 Length (cm) Figure ... March/April 1996 May/June 1996 July 1996 March/April 1997 May/June 1997 July/August l997 Females ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 37–46 : Author(s): Everson, I. and A.W. Murray
-
Modelling variability and estimating power to detect change in Adélie penguin fledgling weights
from 12 split-year breeding seasons (1990/91 to 2001/02) which com- mence in October of one year ... 85 10: 1999–2000 50 50 11: 2000–2001* 50 50 50 150 12: 2001–2002* 50 50 50 150 Total 100 ... /2 (d)). 1 2 3 4 5 2000 3000 4000 5000 1991/92 1993/94 1995/96 1996/97 1998/99 2000/01 2001/02 model prediction ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 191–200 : Author(s): Emmerson, L.M., C. Southwell and J. Clarke
-
Analysis of haul data from the South Georgia krill fishery
operations and variability in METHODS Database Description Since August 1993, haul-by-haul data have ... in August or September. A limited number of hauls were also taken outside these dates. For example ... . By August the main fishing location had moved to the west (Figure Sd), and by September (Figure 5e ... shift in August and September, at the end of the season when there are fewer vessels in the area ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 9–30 : Author(s): Trathan, P.N., I. Everson, E.J. Murphy and G.B. Parkes
-
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
parameter estima- tion has been studied by Troynikov (1999), Lucena and O’Brien (2001), Taylor et al. (2005 ... - frequency (LF) sample. Lucena and O’Brien (2001) incorporated gear selectivity in their estimation ... the VP likelihood were calculated using the ‘nlminb’ function in S-plus (Insightful, 2001) and the ‘fi ... in Figure 5, along with the fi tted loess smoother (Insightful, 2001, p. 435) with 99% confi dence bars ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 43–66 : Author(s): Candy, S.G., A.J. Constable, T. Lamb and R. Williams
-
Age–length composition of mackerel icefish (Champsocephalus gunnari, Perciformes, Notothenioidei, Channichthyidae) from different parts of the South Georgia shelf
CCAMLR Scieilce, Vol. 8 (2001): 133-146 AGE-LENGTH ... catches. In November-December 1974, December 1975 and January-August 1977, vessels again targeted ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 133–146 : Author(s): Frolkina, G.A
-
Assessment and tag program adaption methods for exploratory fisheries in the CAMLR Convention Area: an example application for Division 58.4.3a
models, this is a model- specific issue and fairly technical. Specifics of the potential considerations ... in the population and the exploitation rate: 1- 1 2 T CV N T T . (14) The final factor to consider is the issue ... ., 64 (4): 640–646. MacAllister, M.K., E.K. Pikitch and E.A. Babcock. 2001. Using demographic methods ... an informative prior for r is a rela- tively well established approach (McAllister et al., 2001) when ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 101–113 : Author(s): Hillary, R.M
-
Integration of CPUE data into assessments using the Generalised Yield Model
CCAMLR Science, Vo l . 8 (2001): 65-74 INTEGRATION ... of a lack of fit (McAllister and Kirchner, 2001). It is also necessary to check ... . McAllister, M.K. and C. Kirchner. 2001. Accounting for structural uncertainty to facilitate precautionary ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 65–74 : Author(s): Kirkwood, G.P. and A.J. Constable
-
Diet study of Antarctic toothfish caught in the east Antarctic based on stomach content, fatty acid and stable isotope analyses
weaken lower trophic levels by removals of fish such as grenadiers and skates as by-catch (Kock, 2001 ... , 1984; Vander Zanden and Rasmussen, 2001; Post, 2002). Recently, the combination of stomach content ... webs. Mar. Ecol. Prog. Ser., 446: 1–22. Kock, K.-H. 2001. The direct influence of fish- ing ... , M.J. and J.B. Rasmussen. 2001. Variation in δ15N and δ13C trophic fractiona- tion: implications ...
Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 29–44 : Author(s): Park, H.J. , I. Yeon, E. Han, Y.J. Lee, S.M. Hanchet, G.W. Baeck, Y. Kwon, S.G. Choi, D.W. Lee and C.K. Kang*