Search results
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Beach debris survey - Main Bay, Bird Island South Georgia 1992/93
Abstract: The third year of survey of beach debris at Main Bay, Bird Island reported only a small ... winter accumulation, respectively. Nylon suing formed 79% of debris; most fragments were identical to ... those used in the local longline fishery as indicated by sections of longline washed ashore. Packaging ... bands were not found until August, coinciding with the arrival of krill fishing vessels off northwest ...
Meeting Document : CCAMLR-XIII/BG/03 : Author(s): Delegation of United Kingdom
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An address to citizen’s marine summit
Abstract: The main aims of CCAMLR are reviewed in an essay which discusses the advances in the ... effectiveness of harvesting, arising from developments in science and technology in comparison with the ... requirements of science to provide information for rational management. It is concluded that co-operation is ... essential between fishermen and scientists to ensure the provision of the data needed to test hypotheses ...
Meeting Document : WG-KRILL-93/32 : Author(s): I. Everson (United Kingdom)
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Proposed amendments to Conservation Measure 51-06 (2014) General measure for scientific observation in fisheries for Euphausia superba
comprehensive system of Feedback management of krill fishery and to provide work on forecast of the ecosystem ... changes that has been mentioned at the Warsaw 2015 Meeting of the WG-EMM, Ukraine suggest the draft of the ... observation system in the krill fishery mandatory. Author(s): Delegation of Ukraine Title: Proposed ...
Meeting Document : CCAMLR-XXXIV/BG/34 : Author(s): Delegation of Ukraine
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Patagonian toothfish maturity in fishing area 48.3 (South Georgia and Shag Rocks)
Abstract: Studies of Patagonian toothfish size composition in fishing area 48.3 were made to ... determine size at maturity for male and female individuals.A considerable amount of original data indicated ... that male Patagonian toothfish attained maturity being of a smaller size than female individuals. Half ... maturity ogive was drawn and compared with size composition in catches of recent years to show that ...
Meeting Document : WG-FSA-03/99 : Author(s): K.V. Shust and A.N. Kozlov (Russia)
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Estimating by-catch from CCAMLR data
Abstract: Quantifying the catch rates and biomass of by-catch species on CCAMLR’s fishing grounds ... is an essential component of the assessment advice prepared by WG-FSA. However, such analyses are ... problematic because the CCAMLR datasets are incomplete and have a high occurrence of ‘missing catch values’. A ... method to treat ‘missing catch values’ using estimates derived from the mean weights of by-catch species ...
Meeting Document : WG-FSA-SAM-05/4 : Author(s): Secretariat
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Otolith morphological analysis cannot distinguish Antarctic toothfish (Dissostichus mawsoni) stocks in the Southern Ocean
Abstract: Fourier shape analysis was used to study the morphology of sagittal otoliths of 383 ... classification accuracy of 73.19%. Principal component analysis revealed the accumulated contribution rate of 29 ... principal components was 72.45%. These findings demonstrate that Fourier analysis of otolith morphology ... cannot distinguish the stock populations of D. mawsoni between Subareas 48.1, 48.6 and 88.1. Author(s ...
Meeting Document : WG-FSA-2019/59 : Author(s): L. Wei, G.P. Zhu, T. Okuda, S. Parker, I. Slypko and S. Somhlaba
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The relationship between sea-ice cover and Adélie penguin reproductive performance at Béchervaise Island
penguin populations through a variety of processes operating at different spatial and temporal scales. The ... Smith et al. (1999) conceptual model of Adélie penguin population growth incorporates the relationship ... between sea-ice and penguin populations based on data from multiple sites to predict the likely outcome of ... population growth in response to a reduction in the frequency of heavy sea-ice years. However, it is ...
Meeting Document : WG-EMM-07/21 : Author(s): L. Emmerson and C. Southwell (Australia)
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La pêche à la légine australe (Dissostichus eleginoides) à Kerguelen (secteur Indien de l'océan Austral)
fishery of the Indian sector of the Southern Ocean. However IUU fishing has appeared in 1997. A GLM ... analysis has been performed from the statistical data of the legal fishery to assess the factors affecting ... a decrease of the CPUE, indicating a probable local overfishing. The bathymetric spreading of the ... distribution, spawning date and place, and movements between geographical sectors), of the adult part of the ...
Meeting Document : WG-FSA-05/27 : Author(s): C. Lord, G. Duhamel et P. Pruvost (France)
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Anthropogenic feather soiling, marine debris and fishing gear associated with seabirds at Bird Island, South Georgia, 1998/99
Abstract: This report describes and quantifies the occurrence of anthropogenic feather soiling ... sixth year of standardised recording, an unprecedented quantity of line originating from fishing vessels ... was recorded in association with wandering albatrosses. Quantities of fishing gear remained within the ... levels of previous years for all other species, except giant petrels, which increased by 75% from the ...
Meeting Document : SC-CAMLR-XVIII/BG/07 : Author(s): Delegation of the United Kingdom
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Off the hook? Initiatives to reduce seabird by-catch in longline fisheries
Abstract: The recent history of global initiatives to reduce seabird by-catch in longline ... fisheries are reviewed, highlighting in turn the activities of environmental and industry non-governmental ... organizations (NGOs), national governments and inter-governmental bodies. At least 40 species of seabirds ... population decreases. An International Plan of Action for Reducing Incidental Catch of Seabirds in Longline ...
Meeting Document : WG-FSA-99/6 : Author(s): J. Cooper (South Africa), J.P. Croxall (United Kingdom) and K.S. Rivera (USA)