Résultats de la recherche
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Diet of the Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (Subarea 88.1)
bottom longline in the Ross Sea during the 2001 and 2002 fishing seasons was analysed (3 937 and 5 426 ... stomachs examined respectively). Fish sampled in 2001 were caught at depths of 317 to 2 154 m and ranged ... and ranged from 62 to 197 cm TL. A high proportion of stomachs were empty (34% in 2001 and 49% in 2002 ... identification difficult. Fish were the most important prey category (% F = 86 in 2001 and % F = 77 in 2002), in ... : 105–124. Goldsworthy, S.D., X. He, G.N. Tuck, M. Lewis and R. Williams. 2001. Trophic interactions ... longline in the Ross Sea during the 2001 and 2002 fi shing seasons was analysed (3 937 and 5 426 stomachs ... examined respectively). Fish sampled in 2001 were caught at depths of 317 to 2 154 m and ranged from 58 ... ranged from 62 to 197 cm TL. A high proportion of stomachs were empty (34% in 2001 and 49% in 2002) and ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 113–123 : Auteur(s): Fenaughty, J.M., D.W. Stevens and S.M. Hanchet
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A first attempt at an assessment of the Patagonian toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands EEZ
last one as recent as 24 August 2001. On the fi rst aerial survey in September 1996, illegal ... , which was limited to the period from 30 October 1996 to 31 August 1997. Fishery Development The ... August 1997 to 1 April 1998) and from 31 August 1998 onwards to provide for year- round access. The ... during April 2001. A crude analysis of the resulting data, based on swept-area methodology (with ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 11–32 : Auteur(s): Brandão, A., D.S. Butterworth, B.P. Watkins and D.G.M. Miller
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Fishing ground selection in the Antarctic krill fishery: trends in patterns across years, seasons and nations
remained relatively constant in Subareas 48.2 (March–May) and 48.3 (June–August). In 25 years of krill ... 2001/02, some catch was reported from APBSE and APBSW during the June–August period (mid-winter ... , operational timing has remained relatively constant in Subareas 48.2 (March–May) and 48.3 (June–August). In ... the Antarctic krill fishery (a: December–February; b: March–May; c: June– August; d: September ... often continued until the June–August period. Catches in this area have decreased slightly in recent ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 117–141 : Auteur(s): Kawaguchi, S., S. Nicol, K. Taki and M. Naganobu
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Consideration of major issues in ecosystem monitoring and management
interactions and the manner in which their populations vary naturally. Large-scale interactions are catered for ... in the Krill Yield Model (KYM). Smaller-scale interactions centre around three main categories: the ... mass Figure 1: Temporal and spatial scales of the interaction between penguin foraging activity ... Kock, 2001). In this case, the dependent species is widespread on the shelf and is likely to be ... movement that may be related to feeding and spawning activity (Everson et al., 2001), although movement ... provide a good estimator. This approach has been taken by Reid and Croxall (2001), who studied fur seal ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 213–232 : Auteur(s): Everson, I
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A risk-management framework for avoiding significant adverse impacts of bottom fishing gear on Vulnerable Marine Ecosystems
presence and the consequences of interaction with different types of gear, a risk-management framework is ... potential VMEs; scale of interactions between fishing activities and VMEs; impact of interactions on VMEs ... interactions of bottom fishing gear with VMEs and associated uncertainties from risk analysis is combined to ... of uncertainty surrounding both the evidence of VME presence and the consequences of interaction ... process of interaction of VMEs with bottom fishing activi- ties. For temporal scale, the reciprocal of ... or longlines, for which very little information exists (Eno et al., 2001; Johnson, 2002; Troffe et ... , 2001; Barnes and Conlan, 2007; Teixidó et al., 2007). Risk evaluation Once the evidence of VMEs has ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 177–193 : Auteur(s): Martin-Smith, K
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Myctophids in the diet of Antarctic predators
composition by sexes was different (Williams, 1991). The diet of females in July/August, 1987 consisted ... Seals: Ross seal + Not specified As cited by Laws 1984 Kre!!tichthys King penguin ++++ Marion Is ... (pers. comm.) antarctica Mawson Emperor penguin +++ Mawson coast As cited by Williams 1990 King ... penguin +++ Heard Is Klages et al. 1989 Snow petrel +++ Budd coast As cited by Williams 1990 350 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 335–368 : Auteur(s): Sabourenkov, E.
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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 : Auteur(s): Horn, P.L., C.P. Sutton and A.L. DeVries
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Krill fishing in the Scotia Sea in relation to bathymetry, including the detailed distribution around South Georgia
interannual variability in the distribution of trawls. The data for 1993 were only available from August but ... results are discussed in relation to the ecology of krill and the fishery's interaction with local ... interannual variability in the distribution of trawls. The data for 1993 were only available from August but ... valleys. The results are discussed in relation to the ecology of krill and the fishery's interaction with ... available. From August 1994 all vessels licensed to operate in the South Georgia and South Sandwich ... recorded in the trawl dataset represent 71% of the catches recorded from August to October 1993 but only ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 1–17 : Auteur(s): Murphy, E.J., P.N. Trathan, I. Everson, G. Parkes and F.H.J. Daunt
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Significant conservation benefits obtained from the use of a new fishing gear in the Chilean Patagonian toothfish fishery
. 80 introduction The interaction between killer whales (Orcinus orca) and longline vessels is a ... Almagro Islands (15 594 pairs in 2001/02) (Lawton et al., 2003), the Evangelistas Islets (4 670 pairs in ... interaction, the predation rate of fish estimated by Hucke-Gaete et al. (2004) ranged between a maximum of 5 ... season for a vessel from the fleet for the last five years, from 2001 to 2005 using the Spanish longline ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 79–91 : Auteur(s): Moreno, C.A., R. Castro, L.J. Mújica and P. Reyes
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Otolith and body size relationships in bigeye grenadier (Macrourus holotrachys) in CCAMLR Subarea 48.3
August 2001. Specimens were frozen and then thawed prior to examination at the British Antarctic ... . Williams. 2001. Trophic interactions between the Patagonian toothfi sh, its fi shery, and seals and ... ; Goldsworthy et al., 2001), and discarded by- catch fi sh are known to be taken by black-browed and grey ... interactions in the Southern Ocean ecosystem. In the waters around South Georgia and Macquarie Island ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 133–143 : Auteur(s): Morley, S. and M. Belchier