Search results
-
Factors that may influence the accuracy of abundance estimates from CCAMLR tag-recapture programs for Dissostichus spp. and best practice for addressing bias
that issues overlapping all three phases result from the spatial distribution of tagged fish, movement ... and mixing post-release, and the spatial distribution of recapture effort can interact to introduce bias ... , and the consequent risk of overfishing, is a higher priority issue than maximising the catch during the development ... of remediating the issue (see Table 1), and potential mitigation or remediation measures. M and M̂ are the true ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 63–72 : Author(s): Welsford, D.C. and P.E. Ziegler
-
Geographical differences in the condition, reproductive development, sex ratio and length distribution of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR Subarea 88.1)
the collection of gonad weight using motion-compensated scales (accuracy ±10 g). These measurements were made ... . The data were restricted to those sets where at least 10 fish were sampled, to reduce any bias caused ... limited data col- lected during April and May of the 2000/01 and 2001/02 seasons. Fish condition ... used in the regressions are shown in Table 5. Table 6 lists the parameters and the associated R2 ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 27–45 : Author(s): Fenaughty, J.M
-
Length- and age-at-spawning of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea
4 6 10 2007 21 21 2009 37 37 March 2000 46 46 2001 2 57 59 2002 56 ... ; Patchell, 2001; Hanchet and Horn, 2000). Male notothenioids typically have a one-year gam- ete development ... samples were fixed in 10% buffered formalin, processed as 5 µm sections in paraffin, stained ... with Haematoxylin and Eosin Y or Periodic acid-Schiff (PAS) and viewed with a stereo micro- scope at x10–x400 ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 53–73 : Author(s): Parker, S.J. and P.J. Grimes
-
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 ... interactions within food webs. This is based on the assumption that the isotope ratios (δ13C and δ15N ... , 1984; Vander Zanden and Rasmussen, 2001; Post, 2002). Recently, the combination of stomach content ... –1, and holding at 250°C for 10 min after ramping at 2°C min–1. The FAMEs were identified by comparing ...
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*
-
Integrating Count Effort by Seasonally Correcting Animal Population Estimates (ICESCAPE): a method for estimating abundance and its uncertainty from count data using Adélie penguins as a case study
; Williams et al., 2002; Pollock et al., 2004). A further adjust- ment issue, and one that interacts ... distribution, need to be accommodated. The present study addresses these issues by devel- oping a parametric ... on the population object counted (adult, nest or chick) and the date of the count. These issues are addressed ... , reported in the literature, present precision as a range of values (e.g. 0–5%, 5–10% etc.) around ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 213–227 : Author(s): McKinlay, J., C. Southwell and R. Trebilco
-
[node:field-journal-volume]:37-51
transition zones have been reported (Morales-Nin, 2001) in Coryphaenoides rupestris at around zones 10 ... ≈ 50 cm total length (Gordon and Hunter, 1994, in Allain, 2001). Kelly et al. (1997) estimated 10 cm ... . 10 (2003): 37–51 37 SPECIES IDENTIFICATION AND AGE ESTIMATION FOR THE RIDGE-SCALED MACROURID ... for about 10% of total landed weight (Hanchet et al., 2002). In the 2002 season, about 158 tonnes ...
Science Journal Paper : 37–51
-
Species identification and age estimation for the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea
transition zones have been reported (Morales-Nin, 2001) in Coryphaenoides rupestris at around zones 10 ... ≈ 50 cm total length (Gordon and Hunter, 1994, in Allain, 2001). Kelly et al. (1997) estimated 10 cm ... . 10 (2003): 37–51 37 SPECIES IDENTIFICATION AND AGE ESTIMATION FOR THE RIDGE-SCALED MACROURID ... for about 10% of total landed weight (Hanchet et al., 2002). In the 2002 season, about 158 tonnes ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 37–51 : Author(s): Marriott, P., P.L. Horn and P. McMillan
-
Characteristics of seasonal variation in diurnal vertical migration and aggregation of Antarctic krill (Euphausia superba) in the Scotia Sea, using Japanese fishery data
) in August (Figure 4). Trawling depth in February was con- siderably deeper than in January and March in SO ... m) in August but it shifted to a shallower depth (87 m (±1.0 m)) in September. Average CPUE in relation ... June 16.4 42.6 33.1 1.4 2.1 2.3 July 83.3 24.5 1.9 2.2 August 35.5 1.8 September 31.8 2.5 ... , but decreased after February and was at its lowest level (0.17) from April to August (Figure 5). In SO ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 163–172 : Author(s): Taki, K., T. Hayashi and M. Naganobu
-
Analysis of haul data from the South Georgia krill fishery
npOMbICna. TOT @ ~ K T , YTO PaCCTORHAe MeXAy IlOCneQOBaTeJlbHbIMH TpaJIeHHRMH O ~ ~ I ~ H O 661~10 ... peKoMeHAyeTcx npoeeAeHMe nanb~efiruero a ~ a n ~ s a . Resumen Se efectuo un andisis individual de 10s ... datos de 10s arrastres realizados por barcos que participaron en la pesqueria del kril en Georgia del ... realizo varios lances diarios (promedio 7,94 en 1993, 9,89 en 1995, y 6,96 en 1996), y 10s arrastres del ...
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
-
Revised estimates of the area of the South Georgia and Shag Rocks shelf (CCAMLR Subarea 48.3)
the interaction of fisheries with sea floor topography at South Georgia. acknowledgements Pete Morris ... on the continental shelf, South Georgia, sub- Antarctica. Geochem. Geophys. Geosyst., 9, Q07011: doi 10 ... –1 00 10 0– 15 0 15 0– 20 0 20 0– 25 0 25 0– 30 0 30 0– 35 0 35 0– 40 0 40 0– 45 0 45 ... 142 15 17 26 2 916 10 53.5 36 0 0 176 711 804 371 63 44 65 54 2 288 11 53.5 35 0 0 4 44 117 133 18 18 ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 167–175 : Author(s): Belchier, M. and P. Fretwell