Search results
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Beach debris survey - Main Bay, Bird Island, South Georgia 1993/94
Abstract: The fourth year of survey of beach debris at Main Bay, Bird Island reported a 20 ... ). Debris accumulated throughout the summer accounted for only 16% of the total (a similar proportion to ... that in 1992/93). Of the winter debris, 60% occurred in September, following severe gales. Nylon line ... , comprising 77% of debris, was mainly identical to material used in the long-line fishery, as indicated by ...
Meeting Document : CCAMLR-XIV/BG/10 : Author(s): Delegation of the United Kingdom
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Krill catch distribution in relation to predator colonies 1987 to 1992
Abstract: The distribution of krill catches in relation to land-based predator colonies ... , calculated from CCAMLR fine-scale data, is shown for Subareas 48.1 and 48.2. The pattern of catches in 1992 ... is similar to that seen for other years, with 70% of the total catch from Subarea 48.1 being taken ... within 100 km of colonies and between the months of December to March inclusive (the ‘critical period ...
Meeting Document : WG-KRILL-93/10 : Author(s): Secretariat
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Data on krill, Euphausia superba Dana, consumption by coastal fishes in Division 58.4.2 (Kosmonavtov and Sodruzhestva Seas)
Abstract: Basing on the materials of complex study of the Kosmonavtov and Sodruzhestva Seas ... fishes as its main consumers in the above areas. According to the data of trawlings in the depth range of ... E.superba consumption not only for the region of the Kosmonavtov and Sodruzhestva Seas as a whole, but at ... coastal fish diet may make up to 9-18% of annual production of this crustacean. Author(s): Delegation of ...
Meeting Document : SC-CAMLR-X/BG/11 : Author(s): Delegation of USSR
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Incidental mortality arising from fisheries activities around Kerguelen Island (Division 58.5.1)
Abstract: Causes of incidental mortality owing to fisheries activities around Kerguelen (Division ... experimental long-lining cruise in deep waters at the shelf edge also showed the potential impact of this type ... of fishery if it develops in the Indian Ocean sector of the Southern Ocean. Trammel net fishing for ... research purposes in the coastal zone does not present any real danger for populations of marine birds and ...
Meeting Document : SC-CAMLR-X/BG/14 : Author(s): Delegation of France
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Diving pattern and performance in nonbreeding gentoo penguins (Pygoscelis papua) during winter
, and compared foraging behavior with that of breeding (chick-rearing) birds. Foraging was highly ... diurnal with 98% of foraging trips completed during the same day. Foraging-trip frequency was 0.8/day ... , trip duration was 6-8 h, and birds spent 51-62% of the foraging trip diving. Dive depth and duration ... were bimodal. Shallow dives (30 m; 55% of total number and 81% of dive time) averaged 74-105 m and 2.7 ...
Meeting Document : WG-CEMP-92/37 : Author(s): T.D. Williams (United Kingdom), A. Kato (Japan), J.P. Croxall (United Kingdom), Y. Naito (Japan), D.R. Briggs, S. Rodwell and T.R. Barton (United Kingdom)
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea including data from the 2005/06 season
Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... reference case resulted in a much higher estimate of initial biomass, though this appeared to be almost ... entirely due to the impact of the catch-at-age data from the shelf fishery. Parameterising the model to ... better explain these data resulted in estimates of initial and current biomass that were very similar to ...
Meeting Document : WG-FSA-06/60 : Author(s): A. Dunn and S.M Hanchet (New Zealand)
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Coordinating approaches to incidental mortality arising from fisheries
Abstract: Globally, by-catch is recognised as one of the most significant issues affecting ... fisheries management. The Commission for the Conservation of Antarctic Marine Living Resources (the ... indirect impacts of harvesting on non-target taxa. There are many approaches to reduce by-catch. Current ... approaches to managing by-catch focus on by-catch avoidance and mitigation measures, setting of precautionary ...
Meeting Document : WG-FSA-03/71 : Author(s): A.J. Constable, C. Davies, A.T. Williamson, R. Williams and E. van Wijk (Australia)
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Ecosystem modelling for the Antarctic krill fishery
been the target of an small industrial fishery since the mid 1970s. New quotas have recently been set ... krill predators such as penguins, seals and whales. In order to evaluate the effects of krill fishing on ... the trophic web, it is necessary to have better knowledge of the ecosystem structure and dynamics ... University of Concepcion, Chile with the Fisheries Centre at University of British Columbia, Canada. In a ...
Meeting Document : WG-EMM-01/65 : Author(s): T. Antezana, J. Cornejo, E. Bredesen, P. Faundez (Chile), A.W. Trites and T. Pitcher (Canada)
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Longline sink rates on a bottom autoline vessel in New Zealand: draft
vessel F.V. San Aotea in New Zealand. The objective of the project was to determine line sink rate, and ... as would be used in normal fishing operations to test the effectiveness of weighting the longline as ... a method of accelerating line sink rate and thus avoiding incidental capture of seabirds. A new ... the middle of an unweighted longline of this design sinks to 10m in a mean time of 63.0 seconds (n ...
Meeting Document : WG-FSA-98/51 : Author(s): N.W. McL. Smith (New Zealand)
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Gap analysis: comparing CCAMLR’s port state measures with those in the FAO Agreement on Port State Measures to Prevent, Deter and Eliminate Illegal, Unreported and Unregulated Fishing
Abstract: ASOC is submitting for the consideration of the Commission and of the Standing ... Committee on Implementation and Compliance (SCIC) the preliminary results of research conducted by the Pew ... ). Preliminary findings of this research indicate that the port State measures of these RFMOs cannot yet compare ... ; they are not effective enough in deterring the activities of IUU operators; and they do not establish ...
Meeting Document : CCAMLR-XXIX/BG/25 : Author(s): ASOC Observer