Search results
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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
around the coasts of the South Shetland and South Orkney islands. Krill catches in these zones are shown ... as a 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 ... years, months and zones of distance from the shore the catch of krill is 50% or more of the land-based ...
Meeting Document : WG-CEMP-91/25 : Author(s): D.J. Agnew (Secretariat)
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DISTRIBUTION AND ABUNDANCE OF ANTARCTIC TOOTHFISH IN THE ROSS SEA
for the purposes of addressing items on the FEMA 2 agenda. It summarises the management of the fishery, catch ... /08 fishing year. It focuses in particular on Antarctic toothfish catches taken from the continental ... of toothfish are most likely to occur. Of the total catch from the fishery to date of almost 19 000 t, about 20 ... shelf of the Ross Sea. The shelf catch has been taken from three quite localised fishing grounds of deep ...
Meeting Document : WG-EMM-09/40 : Author(s): S.M. Hanchet, S. Mormede and A. Dunn (New Zealand)
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Fishing of the Patagonian toothfish (Dissostichus eleginoides) by the Chilean fleet (1991/92) in the Subarea 48.3 (South Georgia Island) and proposed TAC for the 1991/1993 season
, the fleet caught around 80% of the TAC set for this subarea. The catch and effort data and the biological ... length to total length, where the length frequency distribution by sex was determined. The catch lengths ... was estimated at 96.7 cm for males and 108.8 cm for females. The total catch was estimated at 255 139 specimens ... : pseudo-cohort analysis and DeLury’s method. The total catch recorded for the subarea was used, while ...
Meeting Document : WG-FSA-92/24 : Author(s): P.A. Espina, M.A. Araya and V.V. Meniconi (Chile)
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Observer activities on Japanese krill fishing vessels in the CCAMLR Convention Area
. Although the increase of expected catch of krill notified in recent years has caused concerns among some ... CCAMLR Members, the actual catch has not increased, or can be described as decreasing, thus ... the level of by-catch of larval finfish, and (iii) better understand the occurrence of warp-strike ... the increase of expected catch of krill notified in recent years has caused concerns among some CCAMLR Members ...
Meeting Document : CCAMLR-XXVI/BG/41 Rev. 1 : Author(s): Delegation of Japan
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A preliminary stock assessment in SSRUS 486A, G: A Bayesian and CPUE based biomass dynamic model
Abstract: The present report analyses data regarding CPUE, tagging and catch ... with sets in which both species are present, and thus, an analysis of catch intention was implemented ... by using multivariate statistical approach of the catch composition. Standardisation of CPUE was done ... was analysed in terms number of tagged and recovered individuals, and tag size-overlap. Catch reported ...
Meeting Document : WG-SAM-13/29 : Author(s): R. Wiff, J.C. Quiroz (Chile) and R. Scott (United Kingdom)
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Revised stock assessment of the Patagonian toothfish, Dissostichus eleginoides, in research block C of Division 58.4.4 (Ob & Lena Banks) using CASAL
assessment of stock status of D. eleginoides in SSRU C was made by Japan using a CASAL catch-at-length model ... to highlight the contribution of IUU catch and selectivity, data weighting methods and catch-at-age or catch ... of D. eleginoides in SSRU C was made by Japan using a CASAL catch-at-length model in 2013. During the WG-SAM-2014 ... of IUU catch and selectivity, data weighting methods and catch-at-age or catch-at-length data. The median ...
Meeting Document : WG-FSA-14/06 : Author(s): A. Rélot-Stirnemann (France)
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Revised CASAL model for D. eleginoides with updated biological parameters at Division 58.4.4b
the uncertainties associated with these factors as achievements of milestones “1.2 Updated estimation of IUU catch ... (M1) did not explicitly consider either IUU catch and depredation; those were explored within ... predictions of toothfish biomass under current catch level (19 tonnes) with/without depredation and IUU catch ... catch” and “1.5 Update CASAL model” (SC-CAMLR-37 Report, Annex12). A single-sex age ...
Meeting Document : WG-SAM-2019/30 : Author(s): T. Okuda and F. Massiot-Granier
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Modelling the impact of fishery by-catches on albatross populations
as by-catch in longline fisheries and this mortality has been implicated in the population declines. 2. We ... fisheries south of 30 S, to model estimated by-catch levels and other population parameters in the model ... (but not the continued decline of the South Georgia population), can be explained by the tuna longline by-catch ... balance between a sustainable and unsustainable level of by-catch for these long-lived populations suggest ...
Meeting Document : WG-FSA-01/18 : Author(s): G. Tuck, T. Polacheck (Australia), J.P. Croxall (UK) and H. Weimerskirch (France)
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KRILL FISHERY REPORT: 2008 UPDATE
. The preliminary estimate of the total catch of krill for the season is approximately 108343 t. This compares ... : Availability of fishery and observer data; Time series of catch by season, Contracting Party and small-scale ... management unit; Species composition of by-catch; Occurrence of incidental catches of seabirds and mammals ... estimate of the total catch of krill for the season is approximately 108343 t. This compares with 104586 ...
Meeting Document : WG-EMM-08/05 : Author(s): Secretariat
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Spawning periods and locations of Champsocephalus gunnari in Subarea 48.3 (South Georgia and Shag Rocks): a review
Abstract: Analysis of recent commercial catch, research survey and larval data for mackerel ... measure restricting the total allowable catch during the assumed spawning period from March-May ... of brooding seabirds being caught as by-catch. Author(s): S. Clarke, M. Belchier and M.A. Collins Title ... Analysis of recent commercial catch, research survey and larval data for mackerel icefish ...
Meeting Document : WG-FSA-07/55 : Author(s): S. Clarke, M. Belchier and M.A. Collins