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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
as a proxy for phytoplankton abundance (Bidigare et al., 1996; Smith et al., 2001; Murphy et al ... –19961 1999–2000 LTER Palmer Station archive, online2; (Contributor: William Fraser) see Fraser (2004 ... used were from Palmer Station (data available from LTER Palmer Station archive, online2 (Contributor ... ) University Center for Atmospheric Research Climate Analysis Section Data Catalogue7. Ice extent Average ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 149–165 : Autor(es): Lynch, H.J., W.F. Fagan, R. Naveen, S.G. Trivelpiece and W.Z. Trivelpiece
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Antarctic krill and ecosystem management – from Seattle to Siena
over 500 000 tonnes in 1982 and a total of 6.1 million tonnes being taken between 1973 and 2001 ... required that: (i) harvested populations should be assessed and monitored; (ii) ecological interactions ... of MSY arises from the need to account for interactions between exploited stocks and other species ... interactions are not only relevant to species at similar or lower trophic levels (i.e. ‘related species ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 175–212 : Autor(es): Miller, D.G.M
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The Patagonian toothfish (Dissostichus eleginoides) fishery in the Kerguelen Islands (Indian Ocean sector of the Southern Ocean)
distribution, timing and area of spawning, and movements between geographical sectors) on the adult section of ... area of spawning, and movements between geographical sectors) on the adult section of the exploited ... operating in the fishery, having replaced the trawlers completely in 2001/02. Legal catches have been ... 5) only were studied for a period ranging from March to August, as this period is thought to cover ... Trawling (1979 to 2001) The first model described CPUE (kg/hour trawling) (Table 2): CPUE (kg/h) = α ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 1–25 : Autor(es): Lord, C., G. Duhamel and P. Pruvost
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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 ... Ecosystem Models (SC-CAMLR, 2005), paying particular attention to the interactions between the krill ... statistics were obtained from the public domain section of the CCAMLR website, and the fine-scale data were ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 117–141 : Autor(es): Kawaguchi, S., S. Nicol, K. Taki and M. Naganobu
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Effect of line sink rate on albatross mortality in the Patagonian toothfish longline fishery
magazine/hour. 50-100 kg anchors which sank the mother line quickly to target depths (thereby reducing ... dive recorders were made on the second magazine deployed in a set, a set usually involving eight ... 12 X 6.5 kg weights/magazine as described above. After four days fishing the CFL Pioneer caught in ... further behind the vessel) and weights were deployed every 70 m (i.e. 16 weights/magazine) on the ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 133–150 : Autor(es): Robertson, G.G
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Scientific observations in CCAMLR fisheries – past, present and future
of obtaining reliable data on seabird interactions with fi shing operations (Miller et al., 2004 ... version which can be downloaded from the publications section of the CCAMLR website (www.ccamlr.org ... section should be completed. 3. Guidelines for scientifi c observers • maturity scales for the main ... introduced in 2000. na – not applicable. Logbook format 1996 1997 1998 1999 2000 2001 2002 2003 2004 ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 81–98 : Autor(es): Sabourenkov, E.N. and E. Appleyard
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A risk-management framework for avoiding significant adverse impacts of bottom fishing gear on Vulnerable Marine Ecosystems
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 ... interactions between fishing activities and VMEs; impact of interactions on VMEs; and recovery potential of ... VMEs. (ii) Risk evaluation. Information on likelihood and consequences of interactions of bottom ... potentiels ; ampleur des interactions entre les activités de pêche et les VME ; impact des interactions sur ... aims for managing interactions with non-target species are, in order of priority (SC-CAMLR, 2003a ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 177–193 : Autor(es): Martin-Smith, K
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A potential feedback approach to ecosystem-based management: Model Predictive Control of the Antarctic krill fishery
’ section also assesses which variables it is necessary to measure in order to infer the state of the ... formulation of Constable’s (2001) multi-species model in Hill et al. (2006). It is modified to include ... Constable (2001), and harvesting and movement are represented with additive loss or gain terms. Hill ... modelled as normally distributed random vari- ables in each area (Constable, 2001): ( )2, ~ , ii k i KKK σ ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 119–137 : Autor(es): Hill, S.L. and M. Cannon
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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 : Autor(es): 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 : Autor(es): Brandão, A., D.S. Butterworth, B.P. Watkins and D.G.M. Miller