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The ecosystem approach to managing fisheries: achieving conservation objectives for predators of fished species
interactions between species. Species that directly interact with the target and by-catch species (hereafter ... CCAMLR Scier~ce, Vol . 8 (2001): 37-64 THE ECOSYSTEM ... biological interactions.) Figure 2: Structure of the food web around South Georgia Island in the Atlantic ... in the structure of the food web. Habitat issues are not considered further here. The Scientific ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 37–64 : Автор(ы): Constable, A.J
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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 ... interannual variability in the distribution of trawls. The data for 1993 were only available from August but ... interactions between the environment and krill. Such studies, however, are usually geographically limited and ... -fishery interactions. An understanding of the localised interactions of predators and prey around ... around South Georgia (Trathan et al., 1992). The data give insight into the local interactions between ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 1–17 : Автор(ы): Murphy, E.J., P.N. Trathan, I. Everson, G. Parkes and F.H.J. Daunt
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Intra-annual variability in the density of Antarctic krill (Euphausia superba) at South Georgia, 2002–2005: within-year variation provides a new framework for interpreting previous ‘annual’ estimates of krill density
moorings (Reid and Brierley, 2001). It has been shown previously (Reid and Brierley, 2001) that sizes of ... for a calibrated echo sounder, and issues with identifying echoes from target organisms in single ... may occur against the predominately low winter signal (e.g. July–August in 2005) (Figure 2), and ... physical interactions operating at various scales throughout the Scotia Sea (Murphy et al., 1998) and ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 27–41 : Автор(ы): Saunders, R.A., A.S. Brierley, J.L. Watkins, K. Reid, E.J. Murphy, P. Enderlein and D.G. Bone
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Effects of recruitment variability and natural mortality on generalised yield model projections and the CCAMLR decision rules for Antarctic krill
(Hofmann et al., 1998; Murphy et al., 1998; Murphy and Reid, 2001; Siegel et al., 2003; Tarling et al ... based on maximum age. Murphy and Reid (2001) suggested that a value of 1.25 produced the best match ... 0.610 0.268 1998 0.279 n/a 0.690 0.462 1999 0.022 n/a 0.168 0.042 2000 n/a n/a n/a n/a 2001 0.106 n ... Bellingshausen Sea (LTER) and the West area of the AMLR grid. There are two general issues to consider con ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 81–96 : Автор(ы): Kinzey, D., G. Watters and C.S. Reiss
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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 ... interactions in the Southern Ocean ecosystem. In the waters around South Georgia and Macquarie Island ... ; Goldsworthy et al., 2001), and discarded by- catch fi sh are known to be taken by black-browed and grey ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 133–143 : Автор(ы): Morley, S. and M. Belchier
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A review of the diet and at-sea distribution of penguins breeding within the CAMLR Convention Area (submitted to the 2008 Joint CCAMLR-IWC Workshop)
underestimates of density, although these issues can be overcome to some extent using distance sampling to ... success when compared to unencumbered control birds (Ballard et al., 2001; Hull, 1997; Ropert-Coudert ... et al., 2000b, 2007a, 2007b; Taylor et al., 2001). A number of technologies to study penguin ... oesophagus that detect drops in temperature when cold prey items are ingested (Charrassin et al., 2001 ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 75–114 : Автор(ы): Ratcliffe, N. and P. Trathan
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Fishing intensity of the Soviet fleet in krill fisheries in the southern Atlantic (Subareas 48.2 and 48.3)
ecosystem approach adopted by CCAMLR (SC-CAMLR, 1993 and 2001; Thomson et al., 2001; Hewitt and Low, 2000 ... theory of fi sheries systems developed in AtlantNIRO by Kadilnikov (1985 and 2001). This theory ... CCAMLR Statistical Bulletins (CCAMLR, 1994 and 2001). Fishing effort was standardised over the groups ... catches reached 400 000 tonnes (CCAMLR, 1994 and 2001) from which 95 to 99% was taken by the Soviet fl ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 15–35 : Автор(ы): Kasatkina, S.M. and V.F. Ivanova
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Effects of weather and sea-ice on the reproductive performance of the Adélie penguin at Edmonson Point, Ross Sea
(Pygoscelis adeliae) was studied at Edmonson Point, Victoria Land, during the 1999, 2001 and 2003 breeding ... females were significantly longer than in 1999 and 2001, which in turn delayed the mean departure date of ... delayed compared to dates recorded in 1999 and 2001. The average weight of adults rearing chicks was lower ... Point, Victoria Land, during the 1999, 2001 and 2003 breeding seasons. Weather and sea-ice regimes ... than in 1999 and 2001, which in turn delayed the mean departure date of males on the second incubation ... recorded in 1999 and 2001. The average weight of adults rearing chicks was lower in 2003. It is suggested ... pointe Edmonson, en Terre Victoria, pendant les saisons de reproduction de 1999, 2001 et 2003. Les ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 99–109 : Автор(ы): Olmastroni, S., F. Pezzo, V. Volpi and S. Focardi
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Commercial krill fisheries in the Antarctic, 1973 to 1988
(April to August). Trends in the fishery with respect to independent estimates of krill abundance and ... 48.3 where fishing is predominantly confined to the winter months (April to August). Trends in the ... between April and August (Le. in late autumn through winter) with peak catches in June. This observed ... that a first step in determining the effects of possible interactions between krill and other species ... requires definition of the temporal and spatial scales over which such interactions occur. An important ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 229–281 : Автор(ы): Miller, D.G.M.
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Areal and seasonal extent of sea-ice cover off the northwestern side of the Antarctic Peninsula: 1979 to 1996
several regions in the western Antarctic from October 1978 to August 1994, including the Long Term ... Radiometer (SMMR) from October 1978 to August 1987. Images were derived by NSIDC from data collected by ... , four periods of extensive ice cover are evident. The first period peaked in August 1980 and was more ... in August-September 1986; the ice did not fully retreat during the following summer and in 1987 ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 65–73 : Автор(ы): Hewitt, R
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