Search results
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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)
, especially harvested species such as Antarctic krill (Euphausia superba) within each of the management ... . Analysis was of percentage of stomachs (squid 93%, fish 74%, krill 67%, amphipods 55% and isopods 22 ... over shelf waters and krill predominated in deeper, offshore waters. Movements and habitat Foraging ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 75–114 : Author(s): Ratcliffe, N. and P. Trathan
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Use of indices of predator status and performance in CCAMLR fishery management
predators on harvestable prey, especially krill; (c) have broad geographical breeding ranges including ... ) To relate these changes to indices of prey (at present krill) abundance and availability (to the predators ... at present. Third, the initial focus of attention should be on krill and krill-eating predators ... for discussion and development. Consideration is confined to krill-eating predators and, inevitably ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 353–365 : Author(s): Croxall, J.P.
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Using ecosystem monitoring data to detect impacts
strategy for the krill fishery which allows rational use of krill (including expansion beyond current ... and associated long-term monitor- ing studies could be integrated into the manage- ment of krill fisheries ... krill at South Georgia? Mar. Biol., 140 (2): 205–213. Butterworth, D.S. and R.B. Thomson. 1995 ... . Possible effects of different levels of krill fishing on predators – some initial modelling attempts ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 197–212 : Author(s): Hill, S.L., J. Forcada, P.N. Trathan and C.M. Waluda
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Utilising data from ecosystem monitoring for managing fisheries: development of statistical summaries of indices arising from the CCAMLR Ecosystem Monitoring Program
species, notably krill, is affecting predators, allowing for changes to predators that may arise from ... land- based marine predators respond to variations in abundance of krill. In this context ... relates to krill abundance; and (ii) how well the index reflects the overall status of the predator ... with respect to changes in krill abundance. This is the basis for choosing many of the parameters being ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 101–117 : Author(s): de la Mare, W.K. and A.J. Constable
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Low genetic diversity in the Antarctic toothfish (Dissostichus mawsoni) observed with mitochondrial and intron DNA markers
marine species. Tests of population structure in krill (Euphausia superba), using allozyme markers ... of the Antarctic Convergence (Shaw et al., 2004; Smith and Gaffney, 2000a); and in krill (Euphausia superba ... in large numbers by Russian trawlers fi shing for krill and Antarctic silverfi sh (Pleuragramma ... . 1981. Enzyme poly- mor phism in Antarctic krill (Euphausiacea); genetic variation between populations ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 43–51 : Author(s): Smith, P.J. and P.M. Gaffney
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Timing of clutch initiation in Pygoscelis penguins on the Antarctic Peninsula: towards an improved understanding of off-peak census correction factors
has been linked to krill abun- dance (Weber and El-Sayed, 1985). For this reason, chlorophyll ... )8 see citation for Stammerjohn (2007). Ice area See above Krill and salp abundance Annual counts ... of krill and salp near Palmer Station, Antarctica, as reported for the Palmer Station LTER region ... or food availability are the principal driver of breeding phenology. The long lag between krill ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 149–165 : Author(s): Lynch, H.J., W.F. Fagan, R. Naveen, S.G. Trivelpiece and W.Z. Trivelpiece
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Potential nursery areas for fish in the Prydz Bay region
fish in krill fishing operations, the Scientific Committee for the Conservation of Antarctic Marine ... and thus those to be avoided by krill fishing operations if fish by-catch is to be minimised ... these fish data are relevant to the potential impact of a krill fishery. Such a kriU fishery would ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 369–380 : Author(s): Williams, R.
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Feeding patterns of nine species of Antarctic fish and assessment of their daily food consumption
in order to evaluate annual consumption of krill, and more often than not in the Atlantic sector ... of non-commercial fish species, but the level of krill consumption by these species might be substantial ... ). Antarktika, No. 27, Moscow: Nauka: 191-202. (In Russian). KOCK, K.-H. 1985. Krill Consumption by Antarctic ... : 42-44. (In Russian) PERMITIN, Y.E. 1970. The consumption of krill by Antarctic fishes. Antarct ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 321–333 : Author(s): Pakhomov, Y.A. and V.B. Tseitlin
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Attribtuion of acoustic echoes to squid in the south Atlantic
marks that are unlike the shallow aggregations, attributed to krill, usually seen in the vicinity ... is composed of scatterers larger than krill (see Madureira et al., 1993, for a description of the frequency ... . The decibel difference for this class is marginally less than the +2 dB minimum used to identify krill ... to be distinguished from krill and possibly fish. Searching and characterisation of squid echoes is therefore ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 259–271 : Author(s): Goss, C., P. Rodhouse, J.L. Watkins and A.S. Brierley
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Changes in the fish biomass around Elephant Island (Subarea 48.1) from 1976 to 1996
. The staple food of C. gunnari and juvenile C. aceratus is krill (Euphausia superba), whereas ... G. gibberifvons is primarily a benthos-feeder, although it does feed on krill whenever the latter is available ... (Kock, 1981; Grohsler, 1992). The biomass of krill in the Elephant Island region and other areas ... classes recruiting to the stock (Siege1 et al., 1997). A decline in krill biomass could have affected ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 165–189 : Author(s): Kock, K.-H