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Depth distribution and spawning pattern of Dissostichus eleginoides at South Georgia
August, and with a low mean length at depth- April and July. Examination of maturity data suggests that ... in addition to a major spawning event in late July/August, there may be a small spawning event in ... length at depth are May and August, and with a low mean length at depth - April and July. Examination of ... maturity data suggests that in addition to a major spawning event in late July/August, there may be a ... ., 1995), similar t o that i n Chilean waters (July t o August; Moreno et al., 1997) a n d a r ... (CCAMLR, 1994, paragraph 8.27). In 1998 the season was from 1 April to 31 August. South Georgia Shag ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 19–36 : Autor(es): Agnew, D.J., L. Heaps, C. Jones, A. Watson, K. Berkieta and J. Pearce
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Length-at-age in juvenile Patagonian toothfish (Dissostichus eleginoides)
., 2001) that, over the lifespan of the fi sh, age estimates derived from scale readings are lower than ... considered to provide the best and most consistent pattern for readers estimating age (Ashford, 2001 ... . eleginoides were prepared according to the method of Ashford (2001). The left or right otolith from sampled ... prior to the CCAMLR Workshop on Estimating Age in Patagonian Toothfi sh (SC-CAMLR, 2001) at which ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 1–10 : Autor(es): Ashford, J., C. Jones, S. Bobko and I. Everson
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Age and growth of spiny icefish (Chaenodraco wilsoni Regan, 1914) off Joinville–D’Urville Islands (Antarctic Peninsula)
austral winter (August–September) onwards (Kock et al., 2008). Post-larvae and early juveniles are ... zones. Assuming hatching from late austral winter onwards (August–early September), 1 September was ... age esti- mates (or ageing precision) (Campana, 2001), the index of average percent error (APE ... –length dataset rather than the mean length-at-age (Haddon, 2001). The growth performance index (Φ’ = 2 ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 115–130 : Autor(es): La Mesa, M., A. De Felice, C.D. Jones, K.-H. Kock
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A potential feedback approach to ecosystem-based management: Model Predictive Control of the Antarctic krill fishery
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 ... taken from Constable (2001). The variances of random variables were chosen to be similar to the ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 119–137 : Autor(es): Hill, S.L. and M. Cannon
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Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)
validating ageing methodologies is well understood (Campana, 2001). Also, while Horn’s (2002) growth ... length (TL) are seldom caught (Hanchet et al., 2001). Horn (2002) concluded that multiple banding was ... sh (Dissostichus eleginoides) (Cassia, 1998; Kalish and Timmiss, 2001; Horn, 2002). Because the ... -frequency data (with associated otoliths) exhibiting distinct juvenile modes (Jones et al., 2001), and a ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 125–138 : Autor(es): Horn, P.L., C.P. Sutton and A.L. DeVries
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Interaction of marine mammals with the longline fishery around the Kerguelen Islands (Division 58.5.1) during the 1995/96 cruise
lost from the hooks during line hauling. Resume Les interactions observees entre les palangriers ... , interactions, Kerguelen area, longline fishery, CCAMLR Capdeville INTRODUCTION Interactions between ... ). Such interactions can result in damage to fishing gear, a reduction of catch rates and an increase in ... fish caught on them are often large. Although interactions between longlines and seabirds in the ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 171–174 : Autor(es): Capdeville, D
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A proposed management procedure for the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity
, K.-H., J.M. Clark and C.A. Moreno. 2008. Interactions between cetaceans and fisheries in the ... . Killer whale (Orcinus orca) and sperm whale (Physeter mac- rocephalus) interactions with longline ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 33–69 : Autor(es): Brandão, A. and D.S. Butterworth
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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 : Autor(es): 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
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Fishing for toothfish using pots: results of trials undertaken around South Georgia, March–May 2000
CCAMLR Scier~ce, Vol. 8 (2001): 93-105 FISHING FOR ... interactions of marine mammals with fishing operations. No direct interactions were seen. Antarctic fur seals ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 93–105 : Autor(es): Agnew, D.J., T.M. Daw, G.M. Pilling and M.G. Purves
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A preliminary assessment of age and growth of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea, Antarctica
various studies on Antarctic silverfish age and growth are presented in La Mesa and Vacchi (2001) and ... (2): 111–119. La Mesa, M. and M. Vacchi. 2001. Age and growth of high Antarctic notothenioid fish ... Smith, W.O. Jr., D.G. Ainley and R. Cattaneo Vietti. 2007. Trophic interactions within the Ross Sea ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 75–86 : Autor(es): Sutton, C.P. and P.L. Horn