Search results
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Hook selectivity in the longline fishery of Dissostichus eleginoides (Nototheniidae) off the Chilean coast
. 108 Studies of hook selectivity could result in the development of a conservation measure ... of straight hooks in the VIII Region is presented in Table 3 together with mean length. Length frequency ... ) gives Dmax values for males and females greater than corresponding critical values ofD taken from Table ... 4 X 44 99.5 5 45.1 90.4 6 60.8 75.1 B. Source Sum-of-Squares df Mean-Square F-Ratio P Region ... Paper Title: Hook selectivity in the longline fishery of Dissostichus eleginoides (Nototheniidae ... Chilean fisheries of the Patagonian toothfish, Dissostichus eleginoides is reviewed in order to study ... worth noting that the ratio of females increases significantly in catches, when the size of straight ... selectivity of different types and sizes of hooks used in longlines. Original data obtained during 1991 off ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 107–119 : Author(s): Moreno, C.A.
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By-catch of fish in longline catches off the Kerguelen Islands (Division 58.5.1) during the 1995/96 season
and 1 500 m, giving mean catch rates of up to 15 fish/hourl (Figure 1). The maximum value is 45 fish/hour ... mean abundance with depth, except in the 1 100 to 1300 m depth range where values increase again ... investigated. Length of M. cav ina tus was in the range 39 to 87 cm with a mode at 61 cm and a mean length ... species of skates. For B . ivvasa, lengths were between 61 and 126 cm (Figure 8) with a mean length ... Paper Title: By-catch of fish in longline catches off the Kerguelen Islands (Division 58.5.1 ... they could be of interest commercially if longline fishing operations expand in this part of the ... ) during the 1995/96 season Abstract / Description: By-catches of fish taken during a commercial fishing ... species were identified, of which the grenadier Macrourus carinatus, the skates Bathyraja eatonii and B ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 175–193 : Author(s): Duhamel, G., P. Pruvost and D. Capdeville
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A first attempt at an assessment of the Patagonian toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands EEZ
the format of CCAMLR Conservation Measure 31/X. In keeping with the precautionary approach which has come ... to characterise most international fi sheries agreements, Conservation Measure 31/X strives to ensure that fi ... 734 32 781.2 Table 3: Relative abundance index (normalised to its mean) for toothfish provided ... on the conservative side in comparison to teleosts generally. Sensitivity is shown to alter- native choices ... eleginoides) resource in the Prince Edward Islands EEZ Abstract / Description: The history of the fishery for ... Paper Title: A first attempt at an assessment of the Patagonian toothfish (Dissostichus ... Patagonian toothfish (Dissostichus eleginoides) in the Prince Edward Islands Exclusive Economic Zone (EEZ) is ... a robust indication that the spawning biomass has been depleted to, at most, a few percent only of ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 11–32 : Author(s): Brandão, A., D.S. Butterworth, B.P. Watkins and D.G.M. Miller
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Low breeding success of the Adélie penguin at Béchervaise Island in the 1998/99 season
) during the guard stage of chick rearing. Mean trip durations were calculated for each season ... , and frequency histograms produced for all trips grouped into 12 hourly bins. Mean foraging trip durations ... for each individual bird were calculated according to CEMP Standard Method A5. These means were used ... by stomach flushing) to mean guard foraging trip duration (measured in hours from APMS data). RESULTS ... Paper Title: Low breeding success of the Adélie penguin at Béchervaise Island in the 1998/99 ... inadequate rate of food supply. In most previous seasons adults have foraged both at the continental shelf ... than in this or any other season studied. The significance to CCAMLR of these variations in foraging ... season Abstract / Description: This paper describes the diet and foraging behaviour of Adelie penguins ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 151–167 : Author(s): Irvine, L.G., J.R. Clarke and K.R. Kerry
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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 logarithms of the available mean weights for each length group for each season and area against ... - tionship W = aLb where W is the mean live body weight, a is a mul- tiplicative factor, L the total ... and 165 cm TL. Table 3 shows the mean depth of sampling for the length records used in the length ... to low sample numbers during some seasons. Mean weight-for-length has been consistently lower ... study indicate measurable differences in a number of indices from toothfish found on the Ross shelf ... Paper Title: Geographical differences in the condition, reproductive development, sex ratio and ... length distribution of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR ... to 2004/05 fishing seasons on board the autoliner San Aotea II have been analysed. Results of this ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 27–45 : Author(s): Fenaughty, J.M
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Biological features of the icefish Champsocephalus gunnari from commercial catches in Subarea 48.3 during the period from 8 December 1999 until 31 January 2000
of observations. Mean stomach fullness amounted to 2.5. Antarctic krill Euphausia superba, the occurence of which ... in the stomachs was estimated at 86%, and Themisto gaudichaudii (27.8%), were the main feeding objects. Mean ... . Icefish feeding intensity remained to be relatively high during all the period of observations. Mean ... in the stomachs was estimated at 86%, and Themisto gaudichaudii (27.8%), were the main feeding objects. Mean ...
Meeting Document : WG-FSA-00/20 : Author(s): V.L. Senioukov (Russia)
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Biological acoustic survey in the marginal ice edge zone of the Bellingshausen Sea
and described from the chart record of the echo sounder. Mean Volume Backscattering Strength data were collected ... varied from a mean of 42 g m-2 during the first survey phase to 19.6 g m-2 on the second survey phase ... the chart record of the echo sounder. Mean Volume Backscattering Strength data were collected using an echo ... superba) distribution and biomass in the marginal ice edge zone. Krill biomass density varied from a mean ...
Meeting Document : WG-Krill-94/32 : Author(s): A.W.A. Murray, J.L. Watkins and D.G. Bone (United Kingdom)
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Environmental variability and the behavioural dynamics of Antarctic fur seals in the South Atlantic
of a physical process and the simultaneous action of multiple physical processes often mean that it is difficult ... the monthly ENSO means and the fur seal foraging index. These results show that the foraging behavior of fur ... and the simultaneous action of multiple physical processes often mean that it is difficult to link variability ... when lagged by one year. This was supported by bivariate correlation between the monthly ENSO means ...
Meeting Document : WS-AREA 48-98/16 : Author(s): I.L. Boyd (UK)
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Report of the CCAMLR Observer at the Twenty-first Session of the Committee on Fisheries of the Food and Agriculture Organisation of the United Nations
Author(s): Executive Secretary Title: Report of the CCAMLR Observer at the Twenty-first Session ... of the Committee on Fisheries of the Food and Agriculture Organisation of the United Nations Approval ...
Meeting Document : CCAMLR-XIV/BG/07 : Author(s): Executive Secretary
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REPORT OF THE CCAMLR OBSERVER AT THE TWENTY SECOND SESSION OF THE COMMITTEE ON FISHERIES (COFI) OF THE FOOD AND AGRICULTURE ORGANISATION OF THE UNITED NATIONS
Author(s): Executive Secretary Title: REPORT OF THE CCAMLR OBSERVER AT THE TWENTY SECOND SESSION ... OF THE COMMITTEE ON FISHERIES (COFI) OF THE FOOD AND AGRICULTURE ORGANISATION OF THE UNITED NATIONS ...
Meeting Document : CCAMLR-XVI/BG/9 : Author(s): Executive Secretary