Résultats de la recherche
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BEACHED MARINE DEBRIS SURVEYS AND INCIDENCES OF SEABIRD/MARINE MAMMAL ENTANGLEMENTS AND HYDROCARBON SOILING AT BIRD ISLAND, SOUTH GEORGIA AND SIGNY ISLAND, SOUTH ORKNEYS, 2008-2009
/09 were below or just above the long-term mean for the majority of parameters measured. However, the ... ropes were the most commonly observed items (in varying quantities) during all three seasons at Bird ... Island, whereas high numbers (67 items; 59%) of packaging bands were collected at Signy Island during the ... at Bird Island, while one entangled fur seal was seen at Signy Island. In total, 147 items of marine ...
Meeting Document : WG-IMAF-09/09 : Auteur(s): C.M. Waluda (United Kingdom)
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Longline sink rates of an autoline vessel, and notes on seabird interactions
. Further trials were conducted with weights added to the longline as in normal fishing operations. A robust ... , and the design was refined during the voyage. The aerial section of the tori line appeared to provide ... an effective deterrent to most seabirds. Statistical analyses of the data from the line sink rate ... of the attached weights. Data on line sink rate and tori line coverage suggest that quicker line sink ...
Meeting Document : WG-FSA-01/44 : Auteur(s): N.W.McL. Smith (New Zealand)
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Lipid metabolism features of Antarctic toothfish Dissostichus mawsoni (Nototheniidae)
specimens of Antarctic toothfish Dissostichus mawsoni (Perciformes: Nototheniidae) caught in the Ross Sea ... are given. Blood plasma, tissues mesonephric kidney, liver and spleen were studied for the content of ... . Biochemical status of immune organs depending on the structural and functional characteristics of tissues was ... Antarctic toothfish Dissostichus mawsoni (Perciformes: Nototheniidae) caught in the Ross Sea are given ...
Meeting Document : WG-FSA-16/P02 : Auteur(s): I.I. Gordeev, D.V. Mikryakov, N.I. Silkina and A.S. Sokolova
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CEMP data inventory/summary and updated spatial analysis of Area 48
concordance of response to changes in the ecosystem between sites by Subarea, suggesting CEMP data are ... Area 48 in order to compare patterns of inter-annual variability. Spatial analysis shows evidence of ... Abstract: This paper reports on available CEMP data and details of use as a guide for CEMP ... -related analyses, including an update on CEMP metadata available on the CCAMLR GIS and as hosted on the ...
Meeting Document : WG-EMM-18/44 : Auteur(s): CCAMLR Secretariat
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Results of fish stock assessment survey, South Georgia region, November - December 1986
rossii and Patagonotothen brevicauda guntheri were an order of magnitude lower than observe by Kock in ... 1985. Abundance of Dissostichus eleginoides and Pseudochanichthys georgianus appeared lower in 1986/87 ... Champsocephalus gunnari were larger in 1986/87 than 1984/85, probably due to good recruitment of 1983/84 and 1984 ... Paper Title: Results of fish stock assessment survey, South Georgia region, November- December ... established in 1984 when the Commission for the Conservation of Antarctic Marine Living Resources adopted ... %, respectively, of the 1984/85 estimates. Specimens ranged in length from 27-68 cm, with a mean length of ... modes in the length frequency distribution of 15, 25, 34, 42 and 50 cm correspond to published mean ... . 1985). Of the major finfish resources, the decline in abundance of Notothenia rossii has been the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 143-183 : Auteur(s): Gabriel, W.L.
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An examination of variance and sample size for female Antarctic fur seal trip durations
Abstract: This paper uses power analysis and bootstrap functions to examine the importance of ... sample size in detecting differences between two years of fur seal trip duration data. Female foraging ... year. A bootstrap function was used to examine the effect of sample size on variance. Currently CCAMLR ... trip duration for the first six trips to sea for 1997/98 (n = 30) and 1998/99 (n = 31) at Cape Shirreff ...
Meeting Document : WG-EMM-99/45 : Auteur(s): M.E. Goebel (USA)
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Development of a generic operating model framework for data collection, assessment method and management strategy evaluations
framework will have a number of modules representing the fish population dynamics, harvest by fishing fleets ... Abstract: A generic spatially-explicit age-structured model framework is in development that will ... enable to evaluate data collection protocols, assessment methods and management strategies. The model ... framework is programmed in R to promote transparency and interactions between researchers. It is based on ...
Meeting Document : WG-FSA-11/20 : Auteur(s): P. Ziegler (Australia)
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Development of a generic operating model framework for data collection, assessment method and management strategy evaluations
framework will have a number of modules representing the fish population dynamics, harvest by fishing fleets ... Abstract: A generic spatially-explicit age-structured model framework is in development that will ... enable to evaluate data collection protocols, assessment methods and management strategies. The model ... framework is programmed in R to promote transparency and interactions between researchers. It is based on ...
Meeting Document : WG-SAM-11/13 : Auteur(s): P.E. Ziegler (Australia)
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USING AUTOMATED CAMERAS AS A COST-EFFECTIVE MEANS OF EXTENDING LAND-BASED PREDATOR MONITORING
developed for use in the extreme conditions of Antarctica, (2) a preliminary assessment of the utility of ... and reliable tools for surveillance and monitoring. This paper describes (1) the kinds of observations ... expand the spatial extent of Adélie penguin monitoring, and to extend monitoring to additional land-based ... breeding species, in east Antarctica. Author(s): C. Southwell, L. Emmerson and K. Newbery (Australia ...
Meeting Document : WG-EMM-11/37 : Auteur(s): C. Southwell, L. Emmerson and K. Newbery (Australia)
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How similar are CEMP indices from adjacent locations? A case of study using Pygoscelis adeliae and P. papua monitoring data from three breeding colonies on King George Island
Abstract: What is the spatial scale of monitoring conducted at an individual CCAMLR Ecosystem ... found evidence of and site- and species-specific differences that highlight heterogeneity in indices of ... several monitoring clusters like that on King George Island to help identify the relative importance of ... local environmental factors and better estimate the range of variability that such factors can introduce ...
Meeting Document : WG-EMM-14/43 : Auteur(s): M.M. Santos (Argentina), M. Korczak-Abshire (Poland), M.A. Juáres (Argentina), W.Z. Trivelpiece and J.T. Hinke (USA)