Resultados de la búsqueda
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Draft standard methods for environmental indices F1, F3 and F4
recording sea-ice cover viewed from a CEMP site (Index F1), local weather at a CEMP site (Index F3) and snow ... cover at a CEMP site (Index F4). The information at hand was reviewed, and a revised approach to ...
Meeting Document : WG-EMM-99/12 : Autor(es): Secretariat
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Seasonal relationships in biological parameters and in spatial distribution in the euphausiid populations sampled during the XIIIth and XVth expedition to the Ross Sea
samples data on Euphasiids were analysed at the aim of: 1) obtain a general picture of interannual and ... Abstract: This report summarises the results of krill studies from a large-scale surveys of the ... seasonal variability of distribution pattern and abundance of Euphausia superba and Euphausia ... of E. superba and its possible spatial and temporal variations across the investigated area. The ...
Meeting Document : WG-EMM-01/62 : Autor(es): M. Azzali, J. Kalinowski, G. Lanciani, I. Leonori and A. Sala (Italy)
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Improvements to the multiple-frequency method for in situ target strength measurements
to improve the accuracy and precision of in-situ target strength (TS) measurements using split-beam ... improves the rejection of unresolvable and constructively interfering target multiples by combining ... synchronized signals from two or more adjacent split-beam transducers of different frequencies which are not ... integer multiples of each other. In this study, the method itself was improved by: 1) optimizing the ...
Meeting Document : WG-EMM-99/38 : Autor(es): D.A. Demer (USA) and M.A. Soule (South Africa)
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Finfish distribution and abundance in Subareas 48.1 and 48.2, 2016–2018. Research proposal for the second year
Abstract: According to the experience gained in the first phase of the research and observations ... made by WG-SAM-16, a new proposal is provided to determine the distribution and abundance of fish in ... of Elephant Island and north of South Orkney Islands, between 100 and 500 m of depth (Depth strata ... daily stages of operation, performed with a midwater trawl, with six random spatially distributed hauls ...
Meeting Document : WG-FSA-16/31 : Autor(es): Delegation of Chile
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THE ROSS SEA AS A UNIQUE EVOLUTIONARY SITE
fish diversity overshadows the absolute numbers of species. Antarctic notothenioid fishes, living at ... Abstract: The case is made that the Ross Sea is an evolutionary site on par with those of the ... Antarctic marine groups. The Ross Sea fish fauna includes 95 species of fishes, dominated by 61 species of ... notothenioids, an endemic perch-like group. Relative to fish fauna in warmer regions, the nature of the Ross Sea ...
Meeting Document : WG-EMM-09/13 : Autor(es): J.T. Eastman and D.G. Ainley (USA)
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Moving towards a new era in ecosystem-based krill fishery management
Abstract: To move towards ecosystem-based management of the Antarctic krill fishery and meet the ... requirements of Article II of the Convention, ASOC recommends that: SC-CAMLR endorses the work plan proposed by ... WG-EMM and prioritizes implementation of the work plan to enable revision of Conservation Measure (CM ... ; 3) ensuring a method for bycatch reporting at 2-hour intervals in the continuous mid-water trawl ...
Meeting Document : SC-CAMLR-38/BG/22 : Autor(es): Submitted by ASOC
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Report on a tuna long-lining fishing voyage aboard Southern Venture to observe seabird by-catch problems
% of bait-takes resulted in a bird being hooked. The mollymawk was hooked at night near full moon, but ... Abstract: Incidental captures of seabirds, and the behaviour of seabirds around the fishing gear ... as it was deployed, were observed during 8-days' fishing of a New Zealand-owned tuna long-liner ... . From 11,200 hooks set 6 seabirds were hooked and recovered: 5 Wandering Albatross Diomedea exulans of ...
Meeting Document : WG-IMALF-94/10 : Autor(es): M.J. Imber (New Zealand)
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Pleuragramma antarcticum distribution in the Ross Sea during late austral summer 2013
Abstract: Research during the last decade has revealed much about the early life history of ... Pleuragramm antarcticum, including confirmation of the first known nursery ground in Terra Nova Bay. However ... sampled the icthyoplankton community at 17 locations in the western Ross Sea as well as one location in ... the central Ross Sea and one location in the far south of the eastern Ross Sea (in the Bay of Whales ...
Meeting Document : WG-EMM-14/38 : Autor(es): C. Brooks and K. Goetz (USA)
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Benchmarking CCAMLR
cohesive structure and apportioning of their work schedules. The discussions to be held at the 2016 ... WG-SAM and WG FSA has not been reviewed by Scientific Committee. Author(s): Delegation of the United ...
Meeting Document : SC-CAMLR-XXXV/BG/31 : Autor(es): Delegation of the United Kingdom
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VARIATION IN DEMERSAL FISH SPECIES RICHNESS IN THE OCEANS SURROUNDING NEW ZEALAND: AN ANALYSIS USING BOOSTED REGRESSION TREES
species richness, with highest richness occurring at depths of 900 to 1000 m, and with a broad plateau of ... characteristics using an extensive collection of trawl data from the oceans around New Zealand. Analyses were ... ‘stochastic gradient boosting’). Depth was the single most important environmental predictor of variation in ... concentrations of chlorophyll a and in zones of mixing of water bodies of contrasting origins. Local variation in ...
Meeting Document : WS-VME-09/P04 : Autor(es): Leathwick, J.R., Elith, J., Taylor, P., Francis, M.P., Hastie, T.