Search results
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Meta-analysis of catch reporting in CCAMLR exploratory fisheries
Abstract: The Secretariat has prepared a meta-analysis of the target and by-catch reported in ... target species divided by the total number of fish caught (the target catch ratio) is used as simple ... metric of the relative level of target and by-catch reported for each haul. This index showed little ... data reported in CCAMLR fisheries may include the development of a detailed manual on by-catch sampling ...
Meeting Document : WG-FSA-18/14 : Author(s): CCAMLR Secretariat
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Stratification of catch-at-length data using tree based regression: an example using Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea
into 4 regions, consisting of shallow inshore regions where predominantly smaller fish were found, to deeper ... offshore regions where only larger fish were found. The paper presents the new estimates of Antarctic ... into 4 regions, consisting of shallow inshore regions where predominantly smaller fish were found, to deeper ... offshore regions where only larger fish were found. The paper presents the new estimates of Antarctic ...
Meeting Document : WG-FSA-SAM-05/8 : Author(s): N.L. Phillips, A. Dunn and S.M. Hanchet (New Zealand)
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Distribution of salps near the South Shetland Islands during austral summer, 1990/1991 with special reference to krill distribution
was lower than that of E. superba. Two species of salps; Salpa thompsoni and Ihlea racovitzai were found ... -February period. While E. superba was found mainly in the coastal area which showed high-chlorophyll ... that of E. superba. Two species of salps; Salpa thompsoni and Ihlea racovitzai were found, and the former ... . While E. superba was found mainly in the coastal area which showed high-chlorophyll a values, salps ...
Meeting Document : WG-EMM-95/54 : Author(s): Terazaki, M., Ichii, T., Kawaguchi, K., Nishikawa, J., Ishii, H., Naganobu, M.
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DEPREDATION AROUND SOUTH GEORGIA AND THE IMPLICATIONS ON STOCK ASSESSMENT OF D. ELEGINOIDES
levels of depredation caused by killer whales (Orcinus orca) and sperm whales (Physeter macrocaphalus ... %) with killer whales present on 562 lines (3.8%) and sperm whales on 2588 lines (17.7%). By comparing the ... cetaceans and noises made by the vessels, generated by propeller cavitations, gearing and drive shafts, the ... distance of 3.4nm away were picked up by the hydrophones and it is thought that these acoustic cues could ...
Meeting Document : WG-FSA-09/16 : Author(s): J. Moir Clark, D.A. Agnew, P. McCarthy and M. Unwin (United Kingdom)
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Reconciling fisheries with conservation: three examples from the Southern Ocean
Abstract: Preservation of ecosystem structure is the guiding principle by which the Commission ... employed by CCAMLR is the application of a precautionary approach, which explicitly incorporates ... compared to the precautionary limit established by CCAMLR, fishing effort concentrated near colonies of ... land-breeding krill predators may pose a threat as well as those posed by the broader-scale influence ...
Meeting Document : WG-EMM-04/48 : Author(s): R.P. Hewitt (USA), I. Everson (United Kingdom) and C.D. Jones (USA)
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FIELD IDENTIFICATION GUIDE TO HEARD ISLAND AND MCDONALD ISLAND (HIMI) BENTHIC INVERTEBRATES
deployment at-sea, as well as for use by trained observers to make accurate identifications of invertebrate ... by-catch when operating in the HIMI region. Based on available data, this publication will include ... region thus far. This guide will enable observers to gather invertebrate by-catch data at higher ... by observers in other CCAMLR designated fisheries and that CCAMLR consider adopting the numerical ...
Meeting Document : WG-FSA-08/59 : Author(s): T. Hibberd and K. Moore (Australia)
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Report on scientific observations onboard the Chilean longliner, ‘Puerto Ballena’, in Statistical Subarea 48.3 from March to May 1996
D. eleginoides, the estimation of the finfish by-catch, the estimation of a conversion factor of ... considerable portion of the seabird by-catch. A by-catch of 159 dead seabirds was reported by the scientific ... observer and the crew with black-browed albatrosses and white-chinned petrels forming the bulk of the by ...
Meeting Document : WG-FSA-96/22 : Author(s): Selling, J., Kock, K.-H.
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Diet variability and reproductive performance of macaroni penguins (Eudyptes chrysolophus) at Bird Island, South Georgia
2010. Crustaceans were the main prey accounting for over 90 % of the diet by mass. Antarctic krill ... diet. 59 % of all diets were dominated (> 90 % by mass) by euphausiids, 15 % were dominated by fish ... feed on a variety of prey types, chick growth was always severely impacted by a shortage of euphausiids ...
Meeting Document : WG-EMM-12/17 : Author(s): C.M. Waluda, S.L. Hill, H.J. Peat and P.N. Trathan (United Kingdom)
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Microbial study of toothfish tissue in Divisions 58.4.1 in 2014/15
waters of Antarctica. The Antarctic toothfish are protected from freezing by the existence of antifreeze ... explore the bacterial population which is present in the tissues of Antarctic toothfish by using both ... isolated from tissue, gonad, and skin by using DNA isolation kit, respectively. The bacterial 16S rRNA gene ... by Snodgrassella which determined by the culture-independent method. Author(s): Delegation of the ...
Meeting Document : WG-EMM-16/32 : Author(s): Delegation of the Republic of Korea
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Parasites of the Antarctic toothfish (Dissostichus mawsoni Norman, 1937) (Perciformes, Nototheniidae) in the Pacific sector of the Antarctic
species of commercial fisheries in the Antarctic. It is an endemic and is found along the shelf ... in the Ross Sea and the Amundsen Sea in January-February 2013. Fourteen species of parasites were found using ... of commercial fisheries in the Antarctic. It is an endemic and is found along the shelf of Antarctica, as well ... Sea and the Amundsen Sea in January-February 2013. Fourteen species of parasites were found using ...
Meeting Document : WG-EMM-16/P05 : Author(s): I.I. Gordeev and S.G. Sokolov