Resultados de la búsqueda
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Conserving pattern and process in the Southern Ocean: designing a Marine Protected Area for the Prince Edward Islands
Economic Zone (EEZ) of its sub-Antarctic Prince Edward Islands. The objectives of the MPA are to: 1 ... ) contribute to a national and global representative system of MPAs, 2) serve as a scientific reference point ... to inform future management, 3) contribute to the recovery of the Patagonian toothfish (Dissostichus ... eleginoides), and 4) reduce the bird bycatch of the toothfish fishery, particularly of albatrosses and petrels ...
Meeting Document : WS-BSO-07/P1 : Autor(es): Lombard, A.T., B. Reyers, L.Y. Schonegevel, J. Cooper, L.B. Smith-Adao, D.C. Nel, P.W. Froneman, I.J. Ansorge, M.N. Bester, C.A. Tosh, T. Strauss, T. Akkers, O. Gon, R.W. Leslie and S.L. Chown
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Informe preliminar sobre un viaje de pesca de merluza negra (Dissostichus eleginoides) del B/P Viarsa I, en el Océano Indico oriental (Área Estadística 57) – Abril–junio 2002
Abstract: This paper describes and studies the very first data about the fishery of the toothfish ... Dissostichus elegjnoides, obtained by a Scientific Observer from DINARA on board of the uruguayan F/V “Viarsa I ... ”, in the eastern Indian Ocean (FAO Statistical Area 57). The fishing trip was performed from the 13 of ... april to the 24 of june 2002. It was determined five zones by the F/V “Viarsa I” fishing operative ...
Meeting Document : WG-FSA-02/67 : Autor(es): H. Nion y O.D. Pin (Uruguay)
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VARIATION IN DEMERSAL FISH SPECIES RICHNESS IN THE OCEANS SURROUNDING NEW ZEALAND: AN ANALYSIS USING BOOSTED REGRESSION TREES
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 ... species richness, with highest richness occurring at depths of 900 to 1000 m, and with a broad plateau of ... 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.
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Hydrographic conditions in the Elephant Island plateau region during December 1996
modem software as described in this paper, handling of large data bases becomes very easy. Author(s ... collected by German research vessels in this region. By means of a new interactive software water mass ... boundaries are outlined which reveal the approximate location of the Weddell-Scotia Confluence. Vertical ... distribution of oceanographic parameters temperature, salinity and density is discussed. Geopotential anomaly ...
Meeting Document : WG-EMM-97/06 : Autor(es): Stein, M.
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Beach litter survey Signy Island, South Orkney Islands, 1992/93
their origin noted. At Foca Cove, a total of 23 items were recovered with a combined weight of 4.45 kg ... . At Cummings Cove, a total of 42 items were recovered (9.10 kg). No debris was found at Starfish Cove ... . Comparison with the 1990/91 and 1991/92 litter surveys showed a dramatic drop in both the weight of debris ... and the total number of items recovered. For example, at Foca Cove, the total weight of debris ...
Meeting Document : CCAMLR-XII/BG/07 : Autor(es): Delegation of United Kingdom
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Inter-annual variability in krill density at South Georgia: 1997–2012
, maintaining very large numbers of predators, and fluctuations in their abundance can affect the overall ... structure and functioning of the ecosystems. The inter-annual variability in the abundance and biomass of ... krill was examined using a 15 year time series of acoustic observations undertaken in the Western Core ... Box (WCB) survey area to the north of South Georgia, Southern Ocean. Krill targets were identified in ...
Meeting Document : WG-EMM-13/14 : Autor(es): S. Fielding, J.L Watkins, P. Trathan, P. Enderlein, C. Waluda, C. Goss, G. Stowasser, G. Tarling and E. Murphy (United Kingdom)
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Diet components and trophic interactions in five demersal fish in CCAMLR Subarea 48.3
Abstract: Diet components and trophic interactions in five demersal fish caught around of South ... Georgia’s waters was determined. Data were obtained from samples of Champsocephalus gunnari, Chaenocephalus ... carried out during the month of May 2013, on board of RV DY Eduardo L. Holmberg (INIDEP), at depths from ... 74 to 240 m. Prey Specific Index of Importance (%PSIRI) by each prey in each predator and, trophic ...
Meeting Document : WG-FSA-13/60 : Autor(es): N.R. Marí and G.H. Troccoli (Argentina)
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Soft-sediment macrozoobenthos from Domain 1 (Antarctica): A preliminary report using community parameters and proxies
Abstract: The present scientific report presents the analysis of a database compilation in order ... carbon (TOC) present on the seafloor of Domain 1. The soft sediment macrobenthic communities were ... analyzed from different approaches. We describe the macrobenthos by means of traditional parameters such as ... abundance and biomass. The biodiversity of two selected and taxonomical well-studied taxa (Polychaeta and ...
Meeting Document : SC-CAMLR-XXXVI/BG/10 : Autor(es): Delegation of Chile
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Krill (Euphausia superba) distribution contracts southward during rapid regional warming
that, within their main population centre in the southwest Atlantic sector, the distribution of ... the Antarctic shelves. A concomitant increase in mean body length reflects reduced recruitment of ... juvenile krill. We found evidence for environmental controls on recruitment, including a reduced density of ... juveniles following positive anomalies of the Southern Annular Mode. Such anomalies are associated with warm ...
Meeting Document : WG-EMM-2019/P02 : Autor(es): A. Atkinson, S.L. Hill, E.A. Pakhomov, V. Siegel, C.S. Reiss, V.J. Loeb, D.K. Steinberg, K. Schmidt, G.A. Tarling, L. Gerrish and S.F. Sailley
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Revised growth and length-weight parameters for Antarctic toothfish in the Ross Sea region (881 & 882AB)
Abstract: We update the estimates of the growth and length-weight parameters for Antarctic ... estimates of the von Bertalanffy growth curves, estimates of mean length at age using maximum likelihood ... fishing operations in the Ross Sea region. Estimates of growth and length-weight were similar to those ... previously used, however there was some suggestion that the shape of the growth curve may be better ...
Meeting Document : WG-FSA-2019/11 : Autor(es): A. Dunn and S. Parker