Resultados de la búsqueda
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Comparison of catches for toothfish in 58.4.1, 58.4.2, and 48.6 from vessels with anomalous CPUE
Abstract: An accurate history of catch is an important input into the assessment of toothfish ... stocks, and uncertainty or bias in the amount of catch from an area must be taken into account in the ... where they were taken. For the purposes of developing an alternative catch history for these SSRUs, we ... a standardised CPUE from these vessels to develop an estimate of the amount of catch that could ...
Meeting Document : WG-FSA-13/57 Rev. 1 : Autor(es): A. Dunn, B.R. Sharp (New Zealand), C. Darby (United Kingdom) and O.R. Godø (Norway)
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Sea-surface temperature and krill catches around South Georgia in December–February 1989–1991 and 1999–2001
in the area. The total catch of krill was 81 369 tonnes in 1989/90 and 123 562 tonnes in 1990/91 ... fi shing activities in the area. The total catch of krill was 81 369 tonnes in 1989/90 and 123 562 ... ), satellite monitoring, SST anomaly sign, krill catch, Subarea 48.3, CCAMLR 167 Sea-surface temperature ... –1991 and 1999–2001. Corresponding krill catch data from Subarea 48.3 were taken from CCAMLR reports ... catch of krill was 81 369 tonnes and 123 562 tonnes respectively, the catch in 1999/2000 was only 4 ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 165–174 : Autor(es): Vanyushin, G.P
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Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and South Orkneys
, probably as a result of more variable hydrographic conditions. About 50% of the catch in Subarea 48.1 from ... and 1988 75% of the catch in Subarea 48.2 between December and March was taken within 80 km of ... . Whilst the overall ratio of catch to consumption is relatively low (27%), any competition between the ... fishery and predators as a result of large increases in catch is likely to emerge in these areas earlier ...
Meeting Document : WG-KRILL-92/19 : Autor(es): D.J. Agnew (Secretariat)
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ESTIMATION OF IUU CATCHES OF TOOTHFISH INSIDE THE CONVENTION AREA DURING THE 2009/10 FISHING SEASON
using the existing compliance-derived methodology. This methodology calculates total IUU catch levels as ... a product of the fishing time of IUU vessels and likely daily catch rates. The fishing time of IUU ... database or from the logbooks of IUU vessels where available. Catch rates of IUU vessels are generally ... based on catch and effort reports from licensed longline fisheries from the same area unless more ...
Meeting Document : WG-FSA-10/06 : Autor(es): Secretariat
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Estimating future krill catches that meet the CCAMLR and alternative decision rules for FAO Subarea 48.1 using an integrated assessment model
incorporates catch and length-composition data from the krill fishery with biomass indices and length ... biomass expected under projected future catch levels to spawning biomass expected without any fishing ... spawning biomass instead of to projections with no fishing. Catch levels that meet the various decision ... to the model. Example estimates of spawning biomass for different future levels of catch, assuming ...
Meeting Document : WG-EMM-15/51 Rev. 1 : Autor(es): D. Kinzey, G.M. Watters and C.S. Reiss (USA)
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Krill catches and consumption by land-based predators in relation to distance from colonies of penguins and seals in the South Shetlands and South Orkneys
, probably as a result of oceanographic conditions. About 50% of the catch in Subarea 48.1 from December to ... 75% of the catch in Subarea 48.2 between December and March was taken within 80 km of colonies in the ... are used to show that for some years, months and zones of distance from the shore the catch of krill ...
Meeting Document : SC-CAMLR-X/BG/07 : Autor(es): Secretariat
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Krill catches and consumption by land-based predators in relation to distance from colonies of penguins and seals in the South Shetlands and South Orkneys, 1987-1990
result of oceanographic conditions. About 50% of the catch in 48.1 from December to March was taken ... within 40 km of the coast, and 90% within 80 km in all years 1988-1990. In 1987 and 1988 75% of the catch ... for some years, months and zones of distance from the shore the catch of krill is 50% or more of the ...
Meeting Document : WG-CEMP-91/25 : Autor(es): D.J. Agnew (Secretariat)
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Modelling the impact of fishery by-catches on albatross populations
-catch in longline fisheries and this mortality has been implicated in the population declines. 2. We ... tuna longline fisheries south of 30 S, to model estimated by-catch levels and other population ... population), can be explained by the tuna longline by-catch. They further indicate that populations may be ... level of by-catch for these long-lived populations suggest great caution in any application of such ...
Meeting Document : WG-FSA-01/18 : Autor(es): G. Tuck, T. Polacheck (Australia), J.P. Croxall (UK) and H. Weimerskirch (France)
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A method for spreading the risk of localised effects of catches of Antarctic krill up to the trigger level, during the development of stage 2 of feedback management
distribute the catch. In the second section, we review the best scientific evidence available for krill ... disproportionately higher risk of the effects of fishing if the catch within a subarea is concentrated in those SSMUs ... . Nevertheless, the results also indicate that the distribution of catch amongst subareas in the existing ... assessment of spatial distribution of catch up to trigger level 201606119 v3.docx Approval: Approved ...
Meeting Document : WG-EMM-16/69 : Autor(es): A.J. Constable, S. Kawaguchi and M. Sumner
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Characterisation of skate catches in the Ross Sea region
(Dissostichus mawsoni) catch of about 3000 t. Skates form a small proportion of the total catch (typically 2% or ... in 2008/09 and 2009/10. The composition of the skate catch by species is uncertain; it is estimated ...
Meeting Document : WG-FSA-10/25 : Autor(es): S. Mormede and A. Dunn (New Zealand)