Search results
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The state of exploited fish stocks in the Atlantic sector of the Southern Ocean
of the 1960s mainly by the Soviet Union. Notothenia rossii marmorata,vas the target species in the ... adversely affected by the fishery. The present stock size around South Georgia is less than 5 % of the level ... by fishing and are in need of conservation measures. P. br. guntheri is the only species in the ... fishery which was unregulated until 1988/89. Stock assessment is largely influenced by uncertainties in ...
Meeting Document : SC-CAMLR-VIII/BG/18 : Author(s): Delegation of Federal Republic of Germany
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Distribution of Soviet commercial fleet at krill fishery in the South Orkneys subarea (Subarea 48.2) during 1989/90
Abstract: The results of analysis of haul by haul catch statistics of Soviet commercial fleet ... 6.9-7.1 t/hour by May-June. Stability of the fishing ground is stipulated by peculiarities of the area ... caused by topogenic effect. No temporally and spatially sustained krill aggregations (atractive to ...
Meeting Document : WG-EMM-97/50 : Author(s): Sushin, V.A.
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Preliminary results of RV Dmitriy Stefanov researches in the Antarctic area of the Atlantic Ocean in April 1992
aggregation density by 15-mile perimeter sections, average water flow and scheme of geostro-phycal currents ... is mainly determined by the water dynamics, such as the availability and duration of heterogenity in ... yellowfin notothenia over the shelf of South Georgia and Shague rocks. The researches were carried out by H ... /V "Dmitriy Stefanov" ovmed by PPO "Yugrybpoisk" (Ukraine). Author(s): L.G ...
Meeting Document : WG-CEMP-92/33 : Author(s): L.G. Maklygin, V.N. Shnar, A.V. Remeslo, A.P. Malyshko, I.A. Trunov, I.A. Barabanov, V.P. Shopov (Russian Federation) and A.G. Shepelev (Ukraine)
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Influence of the quality and quantity of data from a multi-year tagging program on bias and precision of biomass estimates from an integrated stock assessment – update
Abstract: By way of simulation, this study investigated how the bias and precision of biomass ... estimates from an integrated tag-based assessment are influenced by various aspects of a multi-year tagging ... over 60-70%. Biomass estimates were largely unaffected by the type of catch history. Therefore ... , creating ‘contrast’ in the data by strongly reducing the fish biomass is not needed for tag-based ...
Meeting Document : WG-FSA-12/18 : Author(s): P.E. Ziegler (Australia)
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The Price of Fish: A global trade analysis of Patagonian (Dissostichus eleginoides) and Antarctic toothfish (Dissostichus mawsoni)
understand how these consumers drive commercial fishing operations. Although toothfish fisheries, by landings ... , are managed by the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR ... trade of toothfish over the six-year analysis period. The average price ($/kg) of imports increased by ... imports and was the largest influence on overall trends. The average price of exports increased by 86.8 ...
Meeting Document : CCAMLR-XXXIII/BG/14 Rev. 2 : Author(s): Secretariat
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Interannual variation in the autumn diet of the gentoo penguin Pygoscelis papua at Laurie Island, Antarctica
found and 1582 (97%) of them were identified as Psychroteuthis glacialis. Diet composition in terms ... also well represented in the three sampling periods. A total of 1628 squid lower beaks were found ...
Meeting Document : WG-EMM-99/19 : Author(s): N. Coria, M. Libertelli, R. Casaux and C. Darrieu (Argentina)
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Observation on interactions between marine mammals and krill mid-water trawl
observed either. The observation found the Antarctic fur seals would be attracted by the codend of krill ... observed either. The observation found the Antarctic fur seals would be attracted by the codend of krill ...
Meeting Document : SC-CAMLR-38/BG/20 : Author(s): Y. Ying, G. Fan, X. Zhao, J. Zhang, X. Wang and J. Zhu
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Assessment of the status of the Champsocephalus gunnari stock in the South Georgia area for the 1990/91 season and TAC calculations for the 1991/92 season
. Values of catch/effort by age group and by year of fishing were used in conjunction with abundance ... fishing regime brought about by a change in mesh size (90 mm). A TAC of 59.4 thousand tonnes for C ...
Meeting Document : WG-FSA-91/27 : Author(s): P.S. Gasiukov (USSR)
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IMPLEMENTATION OF CCAMLR OBSERVER PROGRAM ON KRILL FISHERIES
, together with haul-by-haul fine-scale data were used to identify the target SSMUs and the critical periods ... analysis revealed that the key to a successful observer program is 100% participation by all Members in ... urgent need for capacity building by all fishing nations is re-iterated so that a large number of ...
Meeting Document : TASO-09/07 : Author(s): Kawaguchi, S.
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Can the length composition of krill in predator diets provide information on the age-dependence of krill natural mortality?
Abstract: A method is put forward which estimates the proportions by which the annual consumption ... schedule to be drawn by comparing the proportions which it predicts to independent estimates based on ... inputs required by such an approach are required before it is taken further. Author(s): Thomson, R.B ...
Meeting Document : WG-EMM-95/40 : Author(s): Thomson, R.B., Butterworth, D.S.