Resultados de la búsqueda
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Krill Spill: An opportunistic approach to collecting penguin diet and krill length data
composition data through the A8 parameter of the CEMP program, due to concerns surrounding the invasive nature ... opportunistic data collection methods as an alternate approach. Data on diet composition and krill length were ... krill length frequency of the krill spill sample was compared to data collected utilising the A8 ... standard methods. While the length frequencies were similar, more opportunistic data must be collected ...
Meeting Document : WG-EMM-18/45 : Autor(es): E. Grilly, M. Santos, K. Reid and A. Silvestro
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EXTRAPOLATING CONTINUOUS PLANKTON RECORDER DATA THROUGH THE SOUTHERN OCEAN USING BOOSTED REGRESSION TREES
spatially comprehensive species distribution layers from discontinuous biological data, by fitting complex ... and scale-dependent relationship between species abundance and available environmental data. The ... , called BRT (Boosted Regression Trees), to data on the distribution of Oithona similis, a small cyclopoid ... data withheld from the fitting. We found that the data withholding of data from the model fitting must ...
Meeting Document : WG-SAM-08/12 : Autor(es): M.H. Pinkerton, A.N.H. Smith (New Zealand), B. Raymond, G. Hosie (Australia) and B. Sharp (New Zealand)
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Research plan for the exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1, 58.4.2 and Subarea 48.6 in 2014/2015 (including CTD data in 88.1, 88.2)
known well as namely the area is data poor areas. In the Division 58.4.1 there are two stocks; one ... which were not enough data to estimate stock biomass for considering the precautionary catch limit ... management measures. Based on CCAMLR’s fishery report, the eastern area is still data-poor area showing low ... recapture rate. Consequently, providing catch and effort data from the area, analysing biological samples ...
Meeting Document : WG-SAM-14/21 : Autor(es): Delegation of the Republic of Korea
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Development of best practices for the collection of longline data to facilitate research and analysis to reduce by-catch: report of a workshop held at the International Fisheries Observer Conference
” in observer data collections. The workshop was held in conjunction with the International Fisheries ... : • Share information on current data collection practices and methodologies (i.e., which variables are ... collected by observer programs worldwide and how are they collected). • Solicit information from data users ... analysis to reduce bycatch of protected species. • Identify data not currently being gathered ...
Meeting Document : WG-FSA-05/45 : Autor(es): K.S. Dietrich, K.S. Rivera, V. Cornish and T. Conant (USA)
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Evaluating length-frequency data and length-based performance indicators in new and exploratory fisheries
Abstract: Length-frequency data are routinely collected in CCAMLR’s fisheries and used as inputs ... still in development and robust conclusions on stock status based on length-frequency data alone have ... been difficult. In this paper, we show that length-frequency data on their own have little inherent ... conclusive information about stock status. While length-frequency data can be useful in assessments when ...
Meeting Document : WG-FSA-10/43 : Autor(es): P.E. Ziegler, D.C. Welsford and A.J. Constable (Australia)
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Mapping Application for Penguin Populations and Projected Dynamics (MAPPPD): Data and tools for dynamic management and decision support
includes all available (published and unpublished) data on the four Sphenisciforme penguins (Emperor ... ) for the region south of 60° S. A Bayesian population model integrates the available data to develop ... interface located at www.penguinmap.com provides easy access to the data, with a web based map that allows ... , population data from the model (including future forecasts) are displayed and made available for download ...
Meeting Document : WG-EMM-16/P08 : Autor(es): G.R.W. Humphries, C. Che-Castaldo, R. Naveen, M. Schwaller, P. McDowall, M. Schrimpf and H.J. Lynch
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Results of scientific observation in Antarctic krill fishery in 2010/11: I. state of observer deployment and data collection
Abstract: We analyzed the 2010/11 krill observer data to confirm the outcome of recent revisions ... protocol and data collection in krill fisheries in 2010/11. All the 12 krill fishing vessels that operated ... measurement were quite variable among vessels. Quantitative fish by-catch data were obtained only from five ... current state of data collection, mere extension of the observer coverage may not result in the ...
Meeting Document : WG-EMM-12/65 : Autor(es): M. Kiyota and T. Okuda (Japan)
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Using data recorded during commercial krill fishing in Feedback Management
Abstract: Feedback Management (FBM) requires adequate data that can be collected with a minimum ... statistical handling of the collected data into stock abundance information. Godø et al. (2015) (WG-EMM-15/13 ... ) show the inherent variability of catch and acoustic data collected during fishing operation. At the ... same time the data might inform about patterns in the ecosystem of importance to FBM. Similarly ...
Meeting Document : WG-EMM-16/74 : Autor(es): O.R. Godø, G. Skaret and E. Niklitschek
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Candidate baseline data for ecosystem indicators in the Ross Sea region
achieving its objectives. It may be helpful to have an agreed set of baseline data for key species which ... indicate the current status of marine ecosystems in the Ross Sea region. These data could then be used as ... benchmarks to evaluate MPA performance. This paper suggests candidate baseline data for seven key indicator ... Committee (Dunn et al. 2017). The candidate baseline data include estimates of the number of nesting pairs ...
Meeting Document : WS-SM-18/02 : Autor(es): A. Dahood and G.M. Watters
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Tracer trajectories from the western shelf of South Georgia: ship displacement data
Abstract: Corrected ships heading data were used to calculate drift data for the shelf area to ... the west of South Georgia. The data were collected over a six-week period during 1986. A distance ... weighted interpolation was used to obtain tracer trajectories in this irregular data grid. The vector field ... is complex with no simple flow field. These data include a lot of complex process interactions ...
Meeting Document : WS-Flux-94/10 : Autor(es): E.J. Murphy, I. Everson and C. Goss (United Kingdom)