Resultados de la búsqueda
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2019 Report to CCAMLR by Oceanites, Inc. – Antarctic Site Inventory / MAPPPD and Related Projects / State of Antarctic Penguins 2019 Report / Penguin Population Changes / Climate Analyses / Recent, Notable Scientific Papers
-EMM) Buffer zone analyses Re-analysis of gentoo penguin populations in the Antarctic Peninsula ... , including: • Results from the latest, 25th consecutive field season of the Antarctic Site Inventory ... within the Antarctic Treaty system and in CCAMLR Working Group on Ecosystem Monitoring and Management (WG ... Abstract: This report summarizes activities of Oceanites since CCAMLR-XXXVII and SC-CAMLR-XXXVII ...
Meeting Document : SC-CAMLR-38/BG/11 : Autor(es): Submitted by Oceanites, Inc.
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Semi-empirical acoustic estimates of krill biomass derived from simulated commercial fishery data based on single-frequency acoustics
fishing seasons. From these data we develop semi-empirical indices of acoustic biomass in a Generalized ... the 3-frequency method using the CCAMLR protocol for the period between 1996 and 2011 in both the ... Elephant Island and West Shelf Areas of the US AMLR survey grid. Cross-validation of acoustic estimates ... US AMLR datasets and used to mimic data that might be collected by the commercial fishery during the ...
Meeting Document : SG-ASAM-12/04 : Autor(es): A.M. Cossio, G.W. Watters, C.S. Reiss, J. Hinke and D. Kinzey (USA)
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Semi-empirical acoustic estimates of krill biomass derived from simulated commercial fishery data based on single-frequency acoustics
fishing seasons. From these data we develop semi-empirical indices of acoustic biomass in a Generalized ... the 3-frequency method using the CCAMLR protocol for the period between 1996 and 2011 in both the ... Elephant Island and West Shelf Areas of the US AMLR survey grid. Cross-validation of acoustic estimates ... US AMLR datasets and used to mimic data that might be collected by the commercial fishery during the ...
Meeting Document : SG-ASAM-15/03 : Autor(es): A.M. Cossio, G.W. Watters, C.S. Reiss, J. Hinke and D. Kinzey (USA)
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Unmanned Aerial Vehicles based monitoring of indicator species populations on King George Island (Subarea 48.1)
study distribution and size of three Pygoscelis penguin species on King George Island (Subarea 48.1) in ... the austral summer 2014/15 season. During photogrammetric flights the high-resolution images of the ... compared with the results of measurements taken at the same time from the ground level. During expedition ... ) less than 5 cm. Precision estimation of individuals count was based on the photo interpretation of ...
Meeting Document : WG-EMM-15/48 : Autor(es): M. Korczak-Abshire, A. Zmarz, R. Storvold, M. Rodzewicz, K. Chwedorzewska, A. Kidawa and A. Znój (Poland)
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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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): CCAMLR Secretariat
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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 : Autor(es): 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 : Autor(es): P. Ziegler (Australia)