Search results
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Marine mammals and demersal longline fishery interactions in Crozet and Kerguelen Exclusive Economic Zones: an assessment of depredation levels
Exclusive Economic Zones: an assessment of depredation levels Abstract / Description: Interactions between ... whales. These two species, alone or in co-occurrence with each other, were observed in 71% of the 1 308 ... two species, alone or in co-occurrence with each other, were observed in 54% of the 6 262 longlines ... monitored. Interactions were observed in all fishing areas. The effect of depredation was assessed by ... event during which animals of both species were reported at least once during the same haul. The rate ... 2005 C um ul at ed e ff ec ti ve s of id en ti fi ed in di vi du al s 2003 ... fi sheries: modalities of opportunistic feeding for bottlenose dolphins at Lampedusa Island (Italy ... EXCLUSIVE ECONOMIC ZONES: AN ASSESSMENT OF DEPREDATION LEVELS C. Roche and C. Guinet CEBC-CNRS, UPR 1934 ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 67–82 : Author(s): Roche, C., C. Guinet, N. Gasco and G. Duhamel
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Biomass, abundance and distribution of fish in the Kerguelen Islands EEZ (CCAMLR Statistical Division 58.5.1)
Paper Title: Biomass, abundance and distribution of fish in the Kerguelen Islands EEZ (CCAMLR ... conducted from September to October 2006 in the northern part of the Kerguelen Plateau (CCAMLR Statistical ... stratified stations. Estimates of biomass and abundance were produced for eight commercial species. The total ... biomass was 245 000 tonnes and Patagonian toothfish (Dissostichus eleginoides) accounted for half of the ... included in CCAMLR Statistical Division 58.5.1. The zone is located at the northern tip of the Kerguelen ... at South Georgia (Kock, 1992). The discovery of a deep-sea stock of Patagonian tooth- fish ... . The krigeage method used was the point kriging, which estimates the values of the points at the grid ... on Everson’s scale with modes at 35 and 38 cm, ages 4 and 5, 4.78 million specimens, 22.5% of fish ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 1–32 : Author(s): Duhamel, G. and M. Hautecoeur
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By-catch, growth and feeding of Antarctic juvenile fish taken in krill (Euphausia superba Dana) fisheries in the South Georgia area, in 1992
Paper Title: By-catch, growth and feeding of Antarctic juvenile fish taken in krill (Euphausia ... an investigation of juvenile Antarctic fish caught during krill fishing by the FV Grigory Kovtun in ... : Champsocephalus gunnari and Nototheniops larseni. The frequency of occurrence of juvenile fish was 18.2% when all ... krill tows were included and 45.5% when only tows made in shelf waters were considered. The abundance of ... between them. At present, as our data on the by-catch of juvenile fish are very limited, it is difficult ... the waters outside the continental shelf. Future research should thus be directed at the study of ... the juvenile stock at age l+ and the rate of natural mortality concurrently with the total taken as ... of the nearshore fish populations at South Georgia. Br. Antarct. Surv. Bull., 59: 63-74. CCAMLR ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 129–142 : Author(s): Pakhomov, E.A. and S.A. Pankratov
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Integration of CPUE data into assessments using the Generalised Yield Model
Paper Title: Integration of CPUE data into assessments using the Generalised Yield Model Abstract ... accorded high priority to the development of methods of integrating different indicators of stock status ... the use of importance sampling, for incorporating information on trends in standardised CPUEs into GYM ... assessments. The use of the method is illustrated using data for Patagonian toothfish (Dissostichus ... catches. Recruitme~~ts in future years and in determining the age composition of the population at the ... standardised CPUE trends at all, and crucially they generally indicate higher stock sizes at the end of the ... Constable was used successfully at the 2000 meeting of WG-FSA (SC-CAMLR, 2000). It should also be noted ... CCAMLR Science, Vo l . 8 (2001): 65-74 INTEGRATION OF ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 65–74 : Author(s): Kirkwood, G.P. and A.J. Constable
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Location and intensity of the Soviet krill fishery in the Elephant Island area (South Shetland Islands), 1988/89
Paper Title: Location and intensity of the Soviet krill fishery in the Elephant Island area ... from 21 November 1988 to 25 March 1989. Although the total catch of the USSR in this season reached a ... low. In 1988/89 only one standard fishing vessel operated in the area over 40% of the time. The ... highest catch-per-unit-effort was observed in January 1989 (7.7 tonnes per hour of trawling on average ... computer database: • date, time and haul duration; • coordinates at start of haul; • vessel course and ... towing speed; • haul depth; and • catch per haul. At present the database consists of information on ... /days per five-day period at the end of February to March 1989. Such a level of fishing effort would ... caught in the nearshore zone of Subarea 48.1 at the current rate is comparable with the total amount of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 305–335 : Author(s): Sushin, V.A. and A.S. Myskov
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Physical data used in space averaging: Trophic modelling of the Ross Sea
. Bradford-Grieve and S.M. Hanchet. 2010. A balanced model of the food web of the Ross Sea, Antarctica ... 1991) which, in part at least, hydrodynamically separates the study region from the rest of the ... waters deeper than 300 m at around 73°S 165°W, and does not include water shallower than 3000 m north of ... March at the end of the summer, that sea ice thickness starts to decline from a peak thickness in mid ... Physical data used in space averaging: Trophic modelling of the Ross Sea M.H. Pinkerton, M.J.M. Williams ...
Document : Site Section: Publications
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Modelling and decision making as part of the CCAMLR management regime
)1;OJDKYfTEJIb- HOCTb :3TAflOB OfPAHYfLJEHYf5I ,lLAHHhlE YfcCJIeAOBaT b B03MO:>KHbIe MeXaHH3Mbl ... Paper Title: Modelling and decision making as part of the CCAMLR management regime Abstract ... environment essential for the effective management of the Antarctic marine ecosystem within the requirements ... of CCAMLR Article II. Eight attributes (purpose, description, variables, driving forces, time ... development of suitable simulations of important Antarctic marine ecosystem interactions and to facilitate the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 295-322 : Author(s): Miller, D.G.M.
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Soviet proposals for a program of ecosystem monitoring in the Commonwealth Sea and Prydz Bay
Paper Title: Soviet proposals for a program of ecosystem monitoring in the Commonwealth Sea and ... Monitoring Program in the Prydz Bay area is proposed. Major components of the program are observations of ... to provide adequate assessment of all ecosystem parameters and characteristics. It covers at least ... horizontal and vertical distributions of water temperature and salinity at standard depths. The position ... vertical distributions of silicon, phosphorus, nitrites, nitrates, and oxygen at standard depths ... - 355 - WG-CEMP-86/7 SOVIET PROPOSALS FOR A PROGRAM OF ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 355-362 : Author(s): USSR
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Phytoplankton: Trophic modelling of the Ross Sea
. Bradford-Grieve and S.M. Hanchet. 2010. A balanced model of the food web of the Ross Sea, Antarctica ... sensors measure multispectral radiances at the top of the Earth’s atmosphere which are then corrected for ... in satellite measurements of chlorophyll at the sea-surface arise from three main sources: (1 ... at low latitudes: Evaluation of the role of physiological plasticity. Limnology and Oceanography 48 ... .; Cummings V.; Thrush S. 2005. Primary production potential of non-geniculate coralline algae at Cape Evans ...
Document : Site Section: Publications
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Standardization of fishing effort for Champsocephalus gunnari in the South Georgia area (Subarea 48.3)
Paper Title: Standardization of fishing effort for Champsocephalus gunnari in the South Georgia ... area (Subarea 48.3) Abstract / Description: Traditional calculation of catch-per-unit-effort series is ... inflexible in its use of data types and has no estimate of accuracy. A standardized CPUE index for ... different classes (countries, types of vessel, fishing gear, months and years). Multiple regression is used ... fishing was at first carried out by means of bottom trawls, in recent years midwater trawls have been ... consider them to be an abundance index. At the same time, total value of fishing effort is obtained by ... WG-FSA-90/27 STANDARDIZATION OF FISHING EFFORT FOR ... calculation of catch-per-unit-effort series is inflexible in its use of data types and has no estimate of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 327–336 : Author(s): Gasiukov, P.S.