Resultados de la búsqueda
-
Relationship between distribution of Antarctic krill (Euphausia superba) and environmental index MTEM-200 in the Antarctic Ocean throughout the year
concentrated in three waters in the east Antarctic Ocean, the Scotia Sea, and north of South Georgia Island ... Abstract: Antarctic krill (Euphausia superba) is the key species of the Antarctic marine ... the entire Antarctic Ocean. To clarify the relationship between krill distribution of krill and ... 2008 from the CCAMLR database. Another is accumulated water temperature data of the World Ocean ...
Meeting Document : WG-EMM-08/32 : Autor(es): M. Naganobu, T. Kitamura and K. Hasunuma (Japan)
-
Density and abundance estimates of baleen whales recorded during the 2019 DY098 cruise in the Scotia Sea around South Georgia and the South Sandwich Islands
species during the survey (226 sightings of a total count of 495 whales) and were widely distributed east ... on the abundance of krill and so was not optimised for deriving design-based cetacean abundance ... estimates, but may provide a useful means of comparing whale densities and habitat use patterns between the ... of 42.5°W in all water depths surveyed, with fin whales the next most commonly sighted species (53 ...
Meeting Document : WG-EMM-2019/27 : Autor(es): M. Baines, M. Reichelt, C. Lacey, S. Pinder, S. Fielding, N. Kelly, E. Murphy, P. Trathan and J.A. Jackson
-
Distribution and some biological features of icefish (Champsocephalus gunnari) at different life cycle stages in the South Georgia subarea
Abstract: The results of icefish ecology were summarized for the period of above 20 years of ... variability. The functional structure of Ch.gunnari distribution area was described on the basis of juvenile ... fish distribution at different stages of physiological state. Juvenile fish mainly distribute in the ... south, immature fish- in the cast and southwest, while adult at the north of the shelf. It was revealed ...
Meeting Document : WG-FSA-99/65 : Autor(es): Zh.A. Frolkina (Russia)
-
A characterisation of the toothfish fishery in Subarea 48.6 from 2003/04 to 2011/12
) in CCAMLR subarea 48.6 (South East Atlantic). This report summarises the catch, effort, timing, depth ... , location, size structure and maturity of Dissostichus spp. Information on the composition of bycatch ... toothfish, accumulated catch across years yielded 1,353 tons with the majority of the catch coming from ... was reported exclusively in the SSRUs 48.6A and 48.6G. Most of the catches were reported by vessels ...
Meeting Document : WG-SAM-12/33 : Autor(es): R. Wiff (Chile), M. Belchier (United Kingdom) and J. Arata (Chile)
-
A characterisation of the toothfish fishery in Subarea 48.6 from 2003/04 to 2011/12
) in CCAMLR subarea 48.6 (South East Atlantic). This report summarises the catch, effort, timing, depth ... , location, size structure and maturity of Dissostichus spp. Information on the composition of bycatch ... toothfish, accumulated catch across years yielded 1,353 tons with the majority of the catch coming from ... was reported exclusively in the SSRUs 48.6A and 48.6G. Most of the catches were reported by vessels ...
Meeting Document : WG-FSA-12/38 : Autor(es): R. Wiff (Chile), M. Belchier (United Kingdom), J.C. Quiroz and J. Arata (Chile)
-
A hypothetical life cycle for Antarctic toothfish Dissostichus mawsoni in Antarctic waters of CCAMLR Statistical Area 88
eastwards with the eastern Ross Sea gyre settling out along the continental slope and shelf to the east of ... Abstract: Aspects of the reproduction, size distribution, and movements of Antarctic toothfish ... and timing of spawning, and the probable early life history characteristics of toothfish, we ... investigated models that mimic the drift of eggs and larvae over a 6–24 month period using an oceanic ...
Meeting Document : WG-FSA-07/35 : Autor(es): S.M. Hanchet, G.J. Rickard, J.M. Fenaughty, A. Dunn and M.J. Williams (New Zealand)
-
An assessment of toothfish in Subarea 48.3 using CASAL
Paper Title: An assessment of toothfish in Subarea 48.3 using CASAL Abstract / Description: This ... paper presents an assessment of the stock of toothfish around South Georgia (Subarea 48.3) using the ... CASAL stock assessment software (Bull et al., 2005). Detailed attention is given to the incorporation of ... as much of the available tuning data as possible, as well as a whole range of assessment ... previously described. The probability of a single tag loss was esti- mated using the subset of recaptured ... fish that were originally double-tagged. This confirmed previous estimates of tag loss of 0.06 yr–1 ... Assessment of toothfish in subAreA 48.3 using CAsAL R.M. Hillary, G.P. Kirkwood and D.J. Agnew Division of ... Biology Faculty of Natural Sciences Imperial College London SW7 1NA United Kingdom Email ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 65–95 : Autor(es): Hillary, R.M., G.P. Kirkwood and D.J. Agnew
-
A statistical method for estimating the level of IUU fishing: application to CCAMLR Subarea 48.3
Paper Title: A statistical method for estimating the level of IUU fishing: application to CCAMLR ... , unregulated and unreported (IUU) catches of fish and by-catch of birds. It utilises high quality, well ... -documented fisheries protection vessel (FPV) cruise data. The method takes explicit account of both ‘seen ... ’ and ‘unseen’ IUU fishing by using a simulation model to arrive at statistically rigorous estimates of ... - narios of assumed distributions of IUU trip length. Estimates of p derived from these runs (i.e. for ... . 12 (2005): 119–141 119 A STATISTICAL METHOD FOR ESTIMATING THE LEVEL OF IUU FISHING: APPLICATION ... TO CCAMLR SUBAREA 48.3 D.J. Agnew and G.P. Kirkwood Division of Biology, Faculty of Life Sciences ... paper describes a new method for estimating illegal, unregulated and unreported (IUU) catches of fi sh ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 119–141 : Autor(es): Agnew, D.J. and G.P. Kirkwood
-
Schedule of Conservation Measures in Force 1998/1999
Conservation Measures in the 1998/99 season Subareas 48.5, 88.2, 88.3 Division 58.4.1 (east of 90°E ... at least three hours before sunrise (to reduce loss of bait to/catches of white-chinned petrels). 5 ... SCHEDULE OF CONSERVATION MEASURES IN FORCE ... ) This schedule lists Conservation Measures adopted by the Commission in accordance with Article IX of ...
Document : Site Section: Publications
-
Detection and quantitative estimation of krill concentrations by hydroacoustic instruments
Paper Title: Detection and quantitative estimation of krill concentrations by hydroacoustic ... instruments Abstract / Description: The limited capabilities of existing hydroacoustic instruments in ... detecting dispersed and surface concentrations of krill lead to considerable underestimates of krill biomass ... in areas surveyed. The task of detecting surface concentrations of krill can be solved with the help ... ESTIMATION OF KRILL CONCENTRATIONS BY HYDROACOUSTIC INSTRUMENTS K.I. Yudanov (U.S.S.R.) Abstract The ... limited capabilities of existing hydroacoustic instruments in detecting dispersed and surface ... concentrations of krill lead to considerable underestimates of krill biomass in areas surveyed. The task of ... detecting surface concentrations of krill can be solved with the help of towed acoustic antennae. The ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 123-139 : Autor(es): Yudanov, K.I.