Search results
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Comparative feeding ecology of Patagonian toothfish (Dissostichus eleginoides) in the southwestern Atlantic
Rosa et al. Pexk f~ nMTaHHx naTaroHcKoro KnbrKaqa (Dissostichus eleginoides ... , mean catch rates of up to 5 tonnes/hour have been reported by Otero et al. (1982) during spring ... "S, in the Malvinas/Falklands current, though reported mean catch rates are less than 0.3 tonnes/hour (Otero et al ... m (Mora et al., 1986). Eggs, larvae and postlarvae are found around South Georgia during summer ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 105–124 : Author(s): García de la Rosa, S.B., F. Sánchez and D. Figueroa
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The survivorship of rays discarded from the South Georgia longline fishery
experiment reported by Endicott et al. (2000). The fi ndings of Endicott et al. (2000) sug- gested ... depths. Endicott et al. (2000) also noted, through direct observation, that numerous injuries ... . Nevertheless preliminary fi ndings by Endicott et al. (2000) suggested this is not the case for the majority ... 1). These results are similar to those fi rst noted by Endicott et al. (2000). There is some suggestion ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 155–164 : Author(s): Endicott, M. and D.J. Agnew
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Areal and seasonal extent of sea-ice cover off the northwestern side of the Antarctic Peninsula: 1979 to 1996
production (Fraser et al., 1992; Siegel and Loeb, 1995; Fraser and Trivelpiece, 1996; Loeb et al ... and Nelson, 1985; Ainley et al., 1986; Smith and Vidal, 1986; Walsh and McRoy, 1986; Kottmeier and Sullivan ... 1987; Smith et al., 1988; Hunt, 1991). Fraser et al. (1992) used a correlation between the ice edge ... community as well as the reproductive success of krill (Loeb et al., 1997). A single index is proposed ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 65–73 : Author(s): Hewitt, R
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Histological study on the ovarian development of mackerel icefish (Champsocephalus gunnari) from the South Georgia Islands
. For example, Everson et al. (1991) indicated that the reproductive success of this species at South Georgia ... and the concurrent scarcity of krill in the area (Everson et al., 1991). Most studies of mackerel icefish ... has been studied only partially (Everson et al., 1991). In this paper we present a histological ... Eduavdo L. Holmbevg survey in March 1994 (Marschoff et al., 1994) (Table 1). A total of 130 ovaries were ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 35–49 : Author(s): Macchi, G.J. and E.R. Barrera-Oro
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Length- and age-at-spawning of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea
; Hanchet et al., 2008). Existing mac- roscopic staging data, gonadosomatic index (GSI) analysis ... cold-water species (Junquera et al., 2003; Alekseyeva et al., 1993). Histological assessment ... such as ovar- ian wall thickness, oocyte packing density and degree of ovarian vascularisation (Murua et al ... ., 2003; Livingston and Grimes, 2005; Burton et al., 1997). Some of these characters may be modified ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 53–73 : Author(s): Parker, S.J. and P.J. Grimes
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The ecosystem approach to managing fisheries: achieving conservation objectives for predators of fished species
a variety of aquatic and terrestrial habitats is widely discussed (e.g. Lubchenco et al., 1991 ... ; Christensen et al., 1996; Mange1 et al., 1996; Dixon et al., 1998; Mooney, 1998). However ... , there is widespread agreement that managing ecological assemblages remains a mostly data-free activity (Ludwig et al ... ., 1993) and that remedying this situation is an urgent goal (Mange1 et al., 1996). Since its inception ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 37–64 : Author(s): Constable, A.J
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A simple approach for calculating the potential yield of krill from biomass survey results
-Butterworth-et-al.pdf ... { .e .. [ 1-e -(3(a+ot)] .e(a + t) = .e .. [ 1- e-{3(a+l)] O::;t::;l/o (2) Rosenberg et al.'s (op.cit.) fit ... that the three-month growth and fishing seasons coincide exactly, even though results in Rosenberg et al. (op ... for R and ex, so that these two parameters can both be set equal to 1 for convenience. Rosenberg et al ... [.e(a)] at the start of the season corresponding to the parameter estimates obtained by Rosenberg et al. (1986 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 207–217 : Author(s): Butterworth, D.S., A.E. Punt and M. Basson
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Sexing of adult Adélie penguins by discriminant analysis of morphometric measurements
depth only also gave good results (80% correct). File: 33-Scolaro-et-al.pdf ... penguins, Megadypted anitpodes). • Internal cloacal examination - Ainley et al., 1983 (Adelie penguins ... ), Samour et al., 1983 (five species of penguins). In Adelie penguins significant differences between ... sexes was also found in bill size (Ainley et al., 1983). The techniques listed above are very useful ... , eight measurements were taken following the "Standard of Birds' Measurements" proposed by Baldwin et al ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 543–549 : Author(s): Scolaro, J.A., Z.B. Stanganelli, H. Gallelli and D.F. Vergani
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The CCAMLR-2000 Krill Synoptic Survey: a description of the rationale and design
single exercise Trathan et al. ever carried out by Members in support of the Convention. Full ... that, the Krill Yield Model (Butterworth et al., 1991 and 1994). The GYM is used to estimate the long-term ... to March 1981 (Trathan et al., 1992). While recognising the value of the FIBEX- derived estimate ... and 48.4, and involved research vessels from four CCAMLR Member Trathan et al. States. In addition ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 1–23 : Author(s): Trathan, P.N., J.L. Watkins, A.W.A. Murray, A.S. Brierley, I. Everson, C. Goss, J. Priddle, K. Reid, P. Ward, R. Hewitt, D. Demer, M. Naganobu, S. Kawaguchi, V. Sushin, S.M. Kasatkina, S. Hedley, S. Kim and T. Pauly
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Hook selectivity in the longline fishery of Dissostichus eleginoides (Nototheniidae) off the Chilean coast
ling (Genypterus blacodes) as the target species (Gonzalez, 1962). In the late sixties, Pavez et al ... ). In accordance with information by DeWitt et al. (1990) and data from the actual fishing of D. eleginoides ... of Chile adult fish mainly inhabit waters between 500 and 2 500 m depth (Salas et al., 1987), living near ... the bottom and migrating to the upper layers (Oyarzun et al., 1988). Recent developments in this fishery ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 107–119 : Author(s): Moreno, C.A.