Search results
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Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald Islands using catch-at-age and aged mark-recapture data from the main trawl ground
, CCAMLR Division 58.5.2) Patagonian toothfish (Dissostichus eleginoides) fishery have been unsuccessful ... and recaptures of tagged fish were available. Catch and releases by age class for this fishery were obtained ... using proportions-at-length and fishery and year specific age length keys (ALKs) for years 1998 to 2008 ... . A large proportion of the recaptures of fish released in this fishery were aged and these were used ...
Meeting Document : WG-FSA-10/41 : Author(s): S. Candy, D. Welsford, T. Lamb, J. Verdouw and J. Hutchins (Australia)
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CALIBRATION ERROR IN THE AMLR PLANKTON TIME SERIES
filtered beginning in 2000. Analysis of tow time duration, reported ship speed during tows, and mean number ... . Representative corrected time series of Antarctic krill and three species of other Antarctic species is reported ... beginning in 2000. Analysis of tow time duration, reported ship speed during tows, and mean number of rotor ... time series of Antarctic krill and three species of other Antarctic species is reported. The database ...
Meeting Document : WG-EMM-08/19 : Author(s): C. Reiss (USA)
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USING ECOSYSTEM STRUCTURE TO IDENTIFY FINER-SCALE SSMUS FOR OCEANIC AREAS IN SUBAREAS 48.1 TO 48.3
Abstract: One of the main issues in the management of the krill fishery is finding a spatial ... subdivision of catches that allows CCAMLR to achieve its objectives for both the fishery and the ecosystem ... and 10% of the cumulative total fishery catch in the three subareas (48.1 to 48.3) where the fishery ... ; (ii) afford oceanic predators a greater level of protection from localised fishery impacts; and (iii ...
Meeting Document : WG-EMM-11/18 : Author(s): S.L. Hill and J. Silk (UK)
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Using production models to assess the stock of Paralomis spinosissima around South Georgia Island
) data from the 1991/92 fishery for Paralomis spinosissima around South Georgia Island. The four models ... x 10-7 ≤ q ≤ 9.49 x 10-7) ≈ 0.95; and Pr(0.00804 ≤ a ≤ 0.00890) ≈ 0.95. Assuming that fishery removals ... should not be greater than the number of crabs that recruit to the fishery during the course of a fishing ... ) for the 1993/94 crab fishery. An optimal TAC was determined to be about 300 t. However, this TAC ...
Meeting Document : WG-FSA-93/23 : Author(s): George Watters (USA)
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Standardised estimates of D. eleginoides catches per effort in Subarea 48.3 using information for 1985/86–1990/91 seasons
tooth-fish in Subdivision 48.3 during 1986-199 1 is presented. The fishery was mainly carried out ... -100 cm, which exceeded modes for the latest years of fishery. Using the generalized additive model ... the catch per effort estimates for 1986-99 were standardize. The fishery efficiency in 1986-95 ... in Subdivision 48.3 during 1986-199 1 is presented. The fishery was mainly carried out in summer months off ...
Meeting Document : WG-FSA-00/33 : Author(s): P. Gasiukov (Russia) and V. Bibik (Ukraine)
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Examination of the CCAMLR toothfish GLM
CPUE in Subarea 48.3 are investigated. Problems with crossover between the essentially summer fishery ... of 1992-1993 prosecuted by Russian vessels and the winter fishery of 1995 onwards prosecuted by other ... nationalities, coupled with the existence of the experimental fishery in 1994, lead us to suggest that future ... in Subarea 48.3 are investigated. Problems with crossover between the essentially summer fishery of 1992-1993 ...
Meeting Document : WG-FSA-98/35 : Author(s): G.P. Kirkwood and D.J. Agnew (United Kingdom)
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The State of Exploited Fish Stocks in the Atlantic Sector of the Southern Ocean in 1988
marmorat is the species mostly affected by the fishery. Stock size around South Georgia is less than ... yearclass which also forms the bulk of catches in the fishery. Stocks of C. gunnari around the South Orkney ... Islands and in the Peninsula region seem to be heavily depleted by the fishery and are in need ... for conservation measures. P. br. guntheri is the only species for which the fishery is unregulated so far. Stock ...
Meeting Document : WG-FSA-88/14 : Author(s): K.-H. Kock and F.-W. Köster (FRG)
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Development of a spatially-explicit minimum realistic model for Antarctic toothfish (Dissostichus mawsoni) and its main prey (Macrouridae and Channichthyidae) in the Ross Sea
Abstract: To explore the potential effects of the toothfish fishery on the population dynamics ... that the predation release caused by the fishery effect on toothfish abundance is greater than the direct fishing ... for evaluating potential impacts of the fishery on key prey species, and for assessing and designing monitoring ... tools for fish species associated with the toothfish fishery. We recommend targeted sampling ...
Meeting Document : WG-EMM-14/51 : Author(s): S. Mormede, M. Pinkerton, A. Dunn, S. Hanchet and S. Parker (New Zealand)
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VME detection thresholds: preliminary results of a study on the case of the sea pens (Pennatulacea) of the CCAMLR sector 58.4.4b
, the data are reported to the Secretariat to inform the CCAMLR about the potential presence of VME ... (Pennatulacea, NTW, VME bioindicator) in the 58.4.4b sector have been reported during the CCAMLR SAM Working ... are reported to the Secretariat to inform the CCAMLR about the potential presence of VME to be protected ... (Pennatulacea, NTW, VME bioindicator) in the 58.4.4b sector have been reported during the CCAMLR SAM Working ...
Meeting Document : WG-EMM-2019/52 : Author(s): A. Martin and M. Eléaume
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The state of exploited fish stocks in the Atlantic sector of the Southern Ocean
adversely affected by the fishery. The present stock size around South Georgia is less than 5 % of the level ... before the fishery started. Recruitment has fallen since the second half of the 1970s. At the present ... on the strength of the recruiting yearclass which also forms the bulk of catches in the fishery. Stocks ... by fishing and are in need of conservation measures. P. br. guntheri is the only species in the fishery which ...
Meeting Document : SC-CAMLR-VIII/BG/18 : Author(s): Delegation of Federal Republic of Germany