Resultados de la búsqueda
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APPLYING A TS-PROBE FOR MEASURING ANTARCTIC KRILL (EUPHAUSIA SUPERBA) TARGET STRENGTH IN SITU: PROCEDURES AND DATA ANALYSIS
for pressure, compass, pitch and roll. A stereo camera system was also mounted directly on the ... Abstract: A submersible multifrequency acoustic TS-probe was used for measuring the target ... strength of Antarctic krill in situ at short range. The experimental methods, procedure for data retrieval ... and analysis with some results for one selected station are presented. A Simrad EK60 split beam system ...
Meeting Document : SG-ASAM-09/13 : Autor(es): G. Skaret, L. Calise and E. Ona (Norway)
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in SSRU 882E including data from the 2005/06 season
Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... model for Antarctic toothfish (Dissostichus mawsoni) in the SSRU 88.2E, using revised catch, CPUE, catch ... information on stock size, but none of the data sets had much information about the maximum size of the stock ... estimated to be 352 t for the reference case and 366 t for the all vessels case, assuming a future fishing ...
Meeting Document : WG-FSA-06/48 : Autor(es): A. Dunn and S.M. Hanchet (New Zealand)
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Reproductive performance of seabirds and seals at South Georgia and Signy Island, South Orkney Islands, 1976-1987: implications for Southern Ocean monitoring studies
, South Orkney Islands, 1976-1987: implications for Southern Ocean monitoring studies Abstract ... and for Adélie and chinstrap penguins at Signy Island, South Orkney Islands, are summarised and ... South Georgia, which breed in summer and feed extensively on krill, have shown major fluctuations in ... synchronised with those at South Georgia; they correlate best (especially for chinstraps, which suffered badly ... -1987 : IMPLICATIONS FOR SOUTHERN OCEAN MONITORING STUDIES* J.P. Croxall, T.S. McCann, P.A. Prince ... Antarctic FUr Seals, at Bird Island, South Georgia and for Adelie and Chinstrap Penguins at Signy Island ... extensively on krill, have shown major fluctuations in some or all of : breeding population size, breeding ... correlate best (especially for Chinstraps, which suffered badly in 1980-81 and 1982-83) with the date of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 445-447 : Autor(es): Croxall, J.P., T.S. McCann, P.A. Prince and P. Rothery
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Research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Division 58.4.2
by all effective vessels were analyzed for the improvement of stock assessment in the research blocks ... . Based on the result, the next three-season (2016-18) research plan in Division 58.4.2 is also presented ... . The stock sizes for a research block (58.4.2_1) were estimated by the Petersen estimator and the CPUE ... juvenile fish for each ice shelf block suggests that the recruitment occurs along the ice-shelf zones of ...
Meeting Document : WG-SAM-15/04 : Autor(es): Delegation of Japan
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Schedule for the Thirty-third Meetings of the Commission and the Scientific Committee
Committee 08:00-08:45 Registration for SC-CAMLR-XXXIII and CCAMLR-XXXIII 09:00-10:30 1. Opening 2 ... Room) 12:30-14:00 Lunch 13:00-15:00 Registration for SC-CAMLR-XXXIII and CCAMLR-XXXIII 14:00-15:30 ... :00-10:30 5. Spatial management and impacts on the Antarctic ecosystem 10:00-10:30 Refreshment ... organisations 5. Spatial management and impacts on the Antarctic ecosystem (cont.) 10:30-11:00 Refreshment Break ...
Page : Site Section: Meetings
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The random stratified trawl survey to estimate the abundance of Dissostichus eleginoides and Champsocephalus gunnari in the waters surrounding Heard Island (Division 58.5.2) for 2017
April, with the completion of 163 stations. The survey has been conducted on the FV Atlas Cove since ... for the survey. The unstratified density of Champsocephalus gunnari (mackerel icefish) was only ... slightly larger than that of 2016 and 2.5 times the average. For the managed by-catch species, unstratified ... densities were lower than the average for Channichthys rhinoceratus (unicorn icefish), Lepidonotothen ...
Meeting Document : WG-FSA-17/14 Rev. 1 : Autor(es): G.B. Nowara, T.D. Lamb and P. Ziegler
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Integrated weight longlines with paired streamer lines – best management practice for demersal longline fisheries: preliminary results
seabird bycatch rates while having little to no effect on fish catch rates. Sink rate measurements ... strength is 5% less than UW for new gear and 13% less for gear fished for five months; however, this ... for autoline longline systems and make recommendations for modifications to CM 24-02 and CM 25-02 ... streamer lines – best management practice for demersal longline fisheries: preliminary results Approval ...
Meeting Document : WG-FSA-06/52 : Autor(es): K. Dietrich, E. Melvin and L. Conquest (USA)
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Report of the Second International Workshop for identifying Marine Protected Areas (MPAs) in Domain 1 of CCAMLR (Palacio San Martín, Buenos Aires, Argentina, 25 to 29 May 2015)
Abstract: This report presents the results of the Second International Workshop for identifying ... . It was noted that a large amount of new data was provided for objectives that so far had none, few or ... ), important areas for zooplankton life cycles (krill nurseries), and whales distribution during the non ... -breeding period. Many objectives were updated, either adding new species (as for Emperor and Macaroni ...
Meeting Document : WG-EMM-15/42 : Autor(es): Second WS-MPA Domain 1
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A small unmanned aerial system for estimating abundance and size of Antarctic predators
penguin generated sound. We also report on the utility of VTOLs for missions other than abundance and ... new tool for studying the distribution and abundance of predator populations. We detail our experience ... and testing in selecting a VTOL platform for use in remote, windy, perennially overcast settings ... from the first use of VTOLs for estimating abundance, colony area, and density of krilldependent ...
Meeting Document : WG-EMM-15/P06 : Autor(es): M.E. Goebel, W.L. Perryman, J.T. Hinke, D.J. Krause, N.A. Hann, S. Gardner and D.J. LeRoi
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea including data from the 2005/06 season
Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... model for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea (Subareas 88.1 and SSRUs 88.2A–B ... similar pattern to that of previous years. Preliminary models using tag-recapture data from all vessels ... . The reason for this is unclear, however, a number of the recaptured tags were not able to be linked to ...
Meeting Document : WG-FSA-06/60 : Autor(es): A. Dunn and S.M Hanchet (New Zealand)